How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

When hard times won’t allow you to buy an AC to beat the heat, you’re forced to improvise. With a few tricks, you can cool down a room using water bottles and a fan. Once you build your DIY air conditioner, you’ll be comfortable and cool in no time! Here’s how to make a homemade AC from a fan and a few water bottles.

How to make an easy homemade air conditioner from a fan and water bottles

Frozen Water Bottles

  • Pour 3 tbsp (51 g) of salt into each of your 3 plastic water bottles (size doesn’t matter)

Use disposable plastic bottles for the easiest set-up and clean up. Pour 3 tablespoons (51 g) of table salt per bottle. Put the caps back on and shake the bottles to thoroughly mix the salt.

How to make an easy homemade air conditioner from a fan and water bottles

Any standard salt you have in your kitchen will work.

  • Freeze all of the bottles

Leave them inside for a few hours until they are completely frozen.

How to make an easy homemade air conditioner from a fan and water bottles

Once the water turns to ice, take the bottles out and set them aside. Here’s what you should know:

  • Salt lowers the freezing temperature of water and makes the ice colder.
  • It may take longer for your bottles to freeze depending on the size of your freezer.
  • Set the bottles 6 in (15 cm) in front of your fan

A table fan or box fan will work best, but you can use any fan you want (no, the ceiling fan is not an option). Turn on the fan and put your bottles in front of it. The air will cool down as it passes around the bottles. Keep the fan on as long as the bottles are frozen for a makeshift air conditioner.

How to make an easy homemade air conditioner from a fan and water bottles

  • Spread the bottles out so they don’t block any of the fan’s air-stream.
  • Put the bottles on a small table in front of a standing fan.
  • Don’t use the oscillation setting on your fan if it has one. Keep it pointed at the water bottles for the whole time.

Re-Usability | How To Make A Homemade AC From A Fan And A Few Water Bottles

  • Put your bottles back in the freezer once they adjust to room temperature

When the ice melts, simply freeze the bottles again. In a few hours, you can run your fan like an air conditioner again!

How to make an easy homemade air conditioner from a fan and water bottles

Keep multiple bottles prepared in your freezer so you don’t have to wait for them to freeze again.

Optional Method | Homemade AC

Hang a few bottles (or even plastic bags) behind your fan.

How to make an easy homemade air conditioner from a fan and water bottles

  • Fill your bottles (or plastic bags) to half capacity
  • Before hanging your chosen containers behind a fan, make a few air-holes

You can use a drill or a picket to make them. Just make sure your bottles (or plastic bags don’t take damage)

  • Tie the bottles upside-down to the back of your fan with string or wire. Make sure your fan is turned off before tying your bottles. Feed a wire or string through 2 of the holes in each bottle. Wrap the string around the fan grating and tie a knot to secure them. To keep them in place, tie another string around the bottles’ nozzles.

How to make an easy homemade air conditioner from a fan and water bottles

  • Put ice cubes inside the bottles and turn on your fan. Lift the bottom of the bottle up so you can fit the ice cubes inside the cut. Fill the bottle to just below the holes. Turn your fan on high and point it towards the area you want to cool down.
  • The fan will pull the cold air from the bottles through the holes you drilled.
  • Since the bottles are attached to the fan, you can use the oscillating feature if your fan has one.

How to make an easy homemade air conditioner from a fan and water bottles

Well, there you have it guys! This was all about how to make a homemade AC from a fan and a few water bottles. Good luck with this project!

With summer underway we’re all having to get creative in the ways that we deal with the heat. For most of us, that means adjusting the thermostat to a suitable, arctic environment. However, not all of us have central air conditioning in our homes. As a result, alternative means of cooling down are necessary. Most of us who don’t have air conditioning in our homes usually stick to the tried and true methods of opening windows or buying a standing fan or two in order to keep the room cool.

But there is also a very innovative way to keep the temperatures down in your home without necessarily spending a fortune on air conditioning. And the best part about it is its DIY so you can spend quality time with the family crafting ways to stay cool.

How to make an easy homemade air conditioner from a fan and water bottlesPhoto: YouTube / Wearex

The supplies that are needed are the following:

– Two 16-to-20-ounce plastic bottles
– Precision knife
– Handheld tapered reamer or a drill bit that can cut through plastic
– Medium-sized fan
– Thin metal wire
– Pliers
– Ice cubes

How to make an easy homemade air conditioner from a fan and water bottlesPhoto: Youtue / Wearex

Once you have your items follow these instructions:

1. Using your precision knife carefully circle it around 150-degrees about 1-inch up from the base of the bottle. Don’t cut the entire bottom off! There should still be a small piece of plastic that has the lower portion attached.

2. Warm up your drilling bit and then starting at the base begin making small holes in the plastic all the way up to the mid-section of the bottle. Each hole should be about one-quarter-inch apart from the next.

3. Repeat steps one and two with the second plastic bottle.

4. Once finished, you can attach both bottles on either side of the fan and secure it by twisting metal wiring through the holes at the base area close to the cap. Each bottle should be in an upside-down position.

5. Load ice cubes into your plastic bottles and fill them to the top.

Once completed you can switch on the fan and immediately begin experiencing the rush of cool air! While this DIY project definitely will be a good temporary solution, if you want something that lasts a bit longer you can check out the tutorial for a longer-lasting air cooling system.

Meanwhile, watch the instruction video below before attempting the DIY air conditioning project:

How to make an easy homemade air conditioner from a fan and water bottles

The heat is becoming unbearable, and you’re wondering what to do to keep you cool. Fans do a good job in this, but when it gets too hot, they just push warm air around. This doesn’t provide the cooling effect that you need. Today, we’ll learn how to make an ice fan.

Can You Cool A Room with Ice and A Fan?

It might sound like a complicated process to utilize ice and a fan, but it’s far easier and more effective. This combination of ice and a fan provides an incredible cooling effect. You’ll just need to follow some simple procedures that will guide you in making the unit operational. We will provide you with some options to choose from.

Homemade Air Conditioner with Ice and Fan

Below are some DIY air conditioner projects that utilize ice and fan. You can follow them closely to assist in cooling down your home and keep you comfortable.

Plastic Soda Bottle

In this case, cable ties are used to strap small soda bottles at the back of your fan. The bottles have small holes that are attached using a soldering iron, and then filled with ice. The fan draws air through the bottle, and is nicely cooled by the ice.

The challenge that comes along with this method is dripping water during the cooling process.

A fan and a tray of ice

For this option, you’ll need ice cubes on a tray. The fan is slightly angled down to cool hot air as it passes over the ice. This method provides better results when a faster fan is used rather than a slower one. It’s an efficient method as you don’t have to deal with the dripping water. Nevertheless, it has its own flaws where the ice cubes melt faster than it does when using a larger block of ice. Subsequently, you’ll need to keep on replacing ice cubes to keep you cool throughout.

Fan with ice pack

This type is often found in cool boxes. You’ll need cable ties to attach a plastic bag behind your fan. The ice block is then slotted into this plastic bag. Warm air in the room is cooled every time it passes through the ice block. A fan with ice pack can give you cool air for about 30 minutes. Additionally, you’ll enjoy the cool air without worries of dripping water.

Cool Box Air conditioner

This unit utilizes some ice, a fan and a container. The cool box is one that’s used normally for storage of food or drink. It features some drainpipe tubing that acts as an outlet. To utilize the cool box air conditioner, cut two circles into the lid. One of the holes should be big enough for the fan to fit accordingly. Place your fan facing downwards into the box. The other hole is used as an outlet for your drainage pipe.

The box utilizes a large block of ice, but it’s advisable to begin with a load of ice cubes. When it’s switched on, air is drawn into this box by the fan, it’s cooled by the ice and pushed outwards to provide a cooling effect.

You may check some variations of this cool box-based DIY air conditioner on YouTube, for a more understanding and selection of one that best suits you.

How to Make an Air Conditioner with A Fan and Ice

At this point, we’ll do a step by step procedure of how to easily make a homemade air conditioner, in case you find it difficult to follow what we have provided above.

Have 3 plastic water bottles, and put 3 tablespoons of salt into each

In this case, you should utilize disposable plastic water bottles to make it easy to set-up and clean up. Fill the water bottles with water, put the caps back on and shake them thoroughly until the salt mixes fully with the water. You can use any standard salt that you use in your kitchen.

Freeze the bottles

Place three bottles in a freezer and leave them inside until they are completely frozen. The time it takes to freeze the bottle will depend on the size of your freezer.

Consider adding some salt to keep your ice solid for a longer duration . Why is this necessary? Because salt lowers freezing temperatures and this means you’ll need more heat to melt your ice.

Place the bottles 15 cm in front of the fan

As you place the bottles in front of your fan, ensure they’re well spread to avoid blocking any airstream from the fan. Additionally, these bottles should be placed on a small table in front of the standing fan to ensure that the full capability of the fan is utilized. After placing the bottles, you can turn the fan on. The air is then cooled down as it passes around the bottles. The fan should be kept on as long as the bottles are frozen.

Put the bottles back in the freezer for reuse.

After some time, the ice will eventually melt. Consequently, you will need to have the bottles back to the freezer, and reuse them. You will have the air conditioner back on after a few hours of freezing the bottles. To avoid waiting for the bottles to freeze again, you can have multiple bottles prepared in your freezer, and enjoy cool air all the time and every time you need it.

How Can I Cool My Room Down Without AC?

Below are some easy and traditional ways that can keep your room cool without using an air conditioning unit.

  • Schedule your windows correctly . Since it’s hot during the day, keep your windows shut, and open them at night to allow the cool air in. Shut them in the morning to keep the cool air trapped for some time.
  • Take a cold bath/shower. It’s always a good idea to have a cold shower to relieve you from too much heat.
  • Switch off unnecessary electronics . Have your TVs, computers, clothes dryers and any other electronic that isn’t in use, switched off. This is because they contribute to some heat in the home.

Go through the procedures provided above and select one that best suits you and will fully satisfy your needs. You don’t have to be so worried when it gets too hot as you now have solutions that you can easily implement.

Get creative to stay cool.

How to make an easy homemade air conditioner from a fan and water bottles

These homemade air-conditioner designs take the mystery out of cold-air production. Some are complicated, some are cheap and simple, some run on alternative energy, and the last one is so out there that you’ll just have to try it. Check out the links below to our favorite DIY air conditioners from our friends at Instructables, and good luck keeping cool.

The California Cooler

How to make an easy homemade air conditioner from a fan and water bottles

The California Cooler is a revival of an old technology driven by an insight that’s overlooked in these days of engineered indoor environments: Cool air keeps things cool. In the days before refrigerators, pantries in Northern California homes had outside vents that preserved perishables throughout cool nights. With this project, you can bring them back.

Liquid-Cooled Car Seats

How to make an easy homemade air conditioner from a fan and water bottles

Afraid your baby’s seat is getting too hot? A cooler, a bilge pump, freezer packs and tubing will keep you and your baby cool.

Dew Bucket: An Evaporative Drink Cooler

How to make an easy homemade air conditioner from a fan and water bottles

Consider these two facts: Evaporation cools things, and bottles can’t sweat like people. If they could, they would be able to keep their own contents cool. Here’s a way to give your drinks their own perspiration system.

Portable Air Conditioner

How to make an easy homemade air conditioner from a fan and water bottles

This is a $10 air-conditioner built around an ice chest. The coolant is, you guessed it, ice. It’s practical and cheap, but even if you don’t plan to make one, click through to read the back story of how it was conceived. The main character is an electric truck circa 1979, with cameos by store-bought $500 portable A/Cs and a Tesla Roadster.

Garden-Watering A/C

How to make an easy homemade air conditioner from a fan and water bottles

Air conditioners can dump hundreds of gallons of water each year. With a pump and some creative pipe work, you can channel that otherwise wasted water into your garden.

Homemade A/C

How to make an easy homemade air conditioner from a fan and water bottles

The mastermind behind these instructions built an air conditioner to circumvent a rule in the office. Apparently, they can’t use A/C, but fans are just fine. So, this DIYer rigged an A/C by pumping cold water in an ice chest through copper tubing positioned in front of a fan blade.

How to make an easy homemade air conditioner from a fan and water bottles

DIY Air Conditioner With Heat Exchanger

How to make an easy homemade air conditioner from a fan and water bottles

Ugly and effective, this air conditioner costs as much as you’d pay to run a fan and water the lawn at the same time. If the water coming into your home is cold in the summer, you can divert it through a maze of copper pipes with aluminum fins, place the contraption in front of a fan, and voila: The water cools the house on its way to the lawn.

Mini Solar A/C

How to make an easy homemade air conditioner from a fan and water bottles

Salvage a computer fan, power it with a solar cell, and surround it with wet cloth. That’s the gist of this mini solar A/C. At $5, it’s cheap too. You could place a half dozen of these around the house. Just make sure they match the curtains.

Solar-Powered Air Conditioner

How to make an easy homemade air conditioner from a fan and water bottles

On smoldering hot days, Rob Patto derives smug satisfaction knowing that the same sun that keeps him huddled indoors is also cooling his home. Here, he describes how he gutted an evaporative cooler and cobbled his A/C together from salvaged and new parts. Be sure to read Patto’s separate instructions on setting up solar panels to power the unit:

Tiny, Portable USB Fan Air Conditioner

How to make an easy homemade air conditioner from a fan and water bottles

Using only a tin can, a CD, a computer fan and ice, this is a brilliant design for a tiny air conditioner. The best thing about these instructions are that their maker doesn’t speak English as a first language, so they’re concise and rely heavily on photos.

How to Make a Stirling Engine Fan

How to make an easy homemade air conditioner from a fan and water bottles

This must-do DIY project turns a stack of two soft-drink cans, a balloon and some intricately folded wire into a goofy and brilliant rotating area fan.

Being able to have air conditioning is a luxury that many homeowners take advantage of, especially during the peak of summer. However, it’s difficult to put all of your trust in you’re A/C unit, especially if it tends to give out now and then.

With the ability to learn how to cool a room with a fan and ice, you’ll have your own DIY air-conditioning system that can help give a short burst of cool air into a small room.

Below are some great at-home fan tricks that you can use to your advantage to moderate the temperatures in your entire home without having to rely on your central air or window unit, which is not only great in an emergency situation but also phenomenal for helping you save some money during the peak season.

How to Prepare the Fan and Ice

By following these steps, you’ll be able to get a cool breeze circulating through your bedroom or living space in no time.

Step 1: Preparing the Ice

The first thing you would need to do is to make sure that you prepare the ice and a lot of it. Ideally, you’re going to want at least a bucket filled with ice cubes or big blocks of ice in order to get the most cooling possible since smaller ice cubes will melt within a matter of seconds.

Depending on how warm your home is, investing in a couple of bags of ice from your local grocery store or gas station can be a great idea, instead of relying on a single tray. Whereas if you’re just looking for a little bit of cold air, you can certainly opt for a bowl of ice instead of a bucket.

Step 2: Setting Up the Fan

Ideally, you’re going to either want a table fan or a floor fan that doesn’t have an oscillating head, as the air will need to pass directly over the bucket of ice in order to push the cold air. If you only have an oscillating fan, ensure that you set it to where the head is stable and directly blowing towards where you want to place the bucket.

Since hot air rises, your best bet is to ensure the fan is as close to the ground as possible; otherwise, you’re simply going to be trying to cool a large section of heated air, and it will go through the ice faster than you anticipated.

Step 3: Opening a Window

As mentioned, there’s no point in trying to cool down hot air with a single bucket of ice, so you’re going to want to make sure that you have at least one window open where all of the hot air can escape as its pushed around the room. This not only preserves the ice but will make it substantially easier to keep the room at a comfortable temperature.

Step 4: Turning Your DIY Air Conditioner On

Now that you have everything set up and you know how to cool a room with a fan and ice, you can turn your DIY setup on and sit or stand close to the fan. You’ll immediately notice a difference in the air as it will be slightly damp but cooler than the environment you’re surrounded with.

Other Great Fan Tricks for Staying Cool

Aside from learning how to cool a room with a fan and ice, there are plenty of other phenomenal tips and tricks that you can use to fight the heat, and they are the following:

  • Use Your Windows

Even if it’s stifling outside, you’ll be surprised to learn that your windows can become your best friend when you’re trying to cool down the inside of your home. By placing a fan near the top of your window, you’ll push all of the hot air that has risen in your home outside, which will significantly lower indoor temperatures.

  • Use a Wet Cloth and a Fan

Similar to how you would use a bucket of ice and a fan, try getting a damp cloth and putting it on the front of your fan head, securing it into place so that it doesn’t get sucked into the fan blades. It might not be as effective as using ice, but it’s sure to cool you down, especially if you’re standing right in front of the fan. As the air is generated by the fan blades, it will push through the cold water absorbed into the fibers of the cloth, providing a gentle cooling sensation.

  • Keeping the House Dark

Even if you’re a fan of natural light, it’s time to determine whether you would rather be subjected to incredibly hot temperatures or navigate around your house with minimal light. One of the first steps to lowering the temperature in any room is to make sure that all of your blinds or shutters are closed, and all of the lights in your home are off. Not only will this help keep your home cool, but it will also help you save on the summer energy fees that can be overwhelming for your bank account.

  • Take Advantage of a Breeze

People who live in the South are quite aware of how relieving a simple breeze can be on a hot day, even if it’s very humid outside. If at all possible, make sure that you take advantage of a lot of natural breezes because it will help to evaporate your sweat and keep you a little cooler. It can also be beneficial to use two fans in order to set up a crosswind that will generate cool air and push warm air out while you’re indoors.

Final Thoughts

The idea of making your own DIY air conditioner is something that plenty of people have had to do in their lifetime, whether they live in a condo or if they’re dealing with a faulty central air unit in their house. With the help of these tricks, you’ll be able to stay cool in the dog days of summer without needing to take a cold shower or bath to moderate your body temperature.

1 thought on “How to Cool a Room with a Fan and Ice: DIY A/C Tips for Summer”

The most important thing that I learned while doing research to find the best attic fans was this. If you are going to install a heating system in your attic, no matter how small or big it might be, you need to include an attic fan.

PublishedВ 19:20 ,В 20 July 2021 BST
| Last updatedВ 19:21 ,В 20 July 2021 BST

How to make an easy homemade air conditioner from a fan and water bottles

Are you absolutely melting in the UK’s current heatwave? Yeah, aren’t we all – luckily for us, there’s a simple way for you to turn your ordinary desk fan into a DIY aircon system. Watch the video below to see how it’s done:

TikToker @sam.southall02 is the man behind the clip, which has already racked up 1 million views and 59,000 likes thanks to its ingenuity – and, presumably, how simple it seems to be to put together a homemade AC unit.

In the video, Sam instructs viewers to close all windows and doors, before grabbing ‘something cold like a frozen water bottle’.

Seems easy enough so far. Does it get more difficult than this?

No, it turns out – the final trick is then to put the frozen water bottle behind a desk fan.

The theory seems to be that the frozen water bottle will make the air from your fan colder, which would be nice considering my fan usually just blows warm air right back in my face.

If it works, it might finally stop us all saying ‘it’s too hot’ in the summer, even though we spend the majority of the year complaining about how cold it is.

How to make an easy homemade air conditioner from a fan and water bottles

A nice cold bottle of water will help. Credit: PA

Other TikTok users seemed to be very active in the comments section, with many agreeing with the post.

One user seemed to be in two minds, saying: “A fan in a closed room will actually heat the room up as the motor will produce heat so the cold bottle is a short term effect.”

Another user joked about just getting a fancier system installed, writing: “Or fit air conditioning. It’s only ВЈ2k for a single unit.”

A third person, with the most liked comment of the lot, claimed: “But then the water bottle does dat condensing ting and floods ur room.”

Hmm. Admittedly, that doesn’t sound ideal.

Still, in terms of other ways to beat the heat, that Property Guy (@thatpropertyguy) shared a recent post on TikTok about ‘ways to stay cool’ this summer.

How to make an easy homemade air conditioner from a fan and water bottles

This has got to be cheaper than getting actual air conditioning installed. Credit: Shutterstock

In a clip shared last month, which has 2.3 million views, he says: “I don’t know about you but I’m starting to struggle with this heat, so here are some easy ways to keep your house cool.”

He goes on to suggest a number of ways that might help, starting with shutting your windows, blinds and curtains during the day.

He explains: “It might sound daft, but keep your windows shut and draw your curtains. During the day, this will keep the hot air out.

“And then you’re going to want to circulate cool air inside the house, so fill up some bowls with water and some ice.

“Bowls of water will cool down the house, especially if you use a fan.”

How to make an easy homemade air conditioner from a fan and water bottles

Introduction: Simple Cheap Ice Box Air Conditioner

In this instructable I will be showing you how to build a cheap air conditioner from a Styrofoam ice box. This is an extremely easy build and shouldn’t take you more than an hour to complete.
I live away from home and cannot afford another air conditioner here so I thought of building a cheap air conditioner with things lying around the house. Summer nights are really uncomfortable and also pretty humid here(which is why I stayed away from the swamp cooler).
I hope you enjoy this instructable!

Step 1: Step 1: Materials and Tools

You will need the following:

– Any sort of cooling fan, I had an extra exhaust fan lying around the house so decided to use it.
– PVC Pipes with elbow.
– Styrofoam Ice Box

– Cutter Blade
– Hot glue gun
– Hacksaw
– Measuring instrument

Step 2: Step 2: Cutting Out the Holes for the Pipes and the Fan

The hole for the fan can be cut out using a cutter blade. However if you’re using a thick box like mine, you will have problems cutting out the holes for a pipes with the blade, so I decided to the cut the holes using the pipe itself by slightly sharpening one of its edges. This does the job easily.

Step 3: Step 3: Attaching the Pipes and the Fan

I attached all the parts using hot glue, it does a fantastic job.

Step 4: Step 4: Add the Ice Packs

You can use any sort of ice, but if your box is big like mine, I would suggest freezing water in plastic packets and then putting them into the box. This way you won’t have water collecting in the box.

Step 5: Step 5: You’re Ready to Go

With the ice packets in the box and fan plugged in, sit back and enjoy your new Simple Cheap Styrofoam Air Conditioner.
Hope you enjoyed this instructable!

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How to make an easy homemade air conditioner from a fan and water bottles

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How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

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How to make an easy homemade air conditioner from a fan and water bottles


How to make an easy homemade air conditioner from a fan and water bottles

Question 4 years ago on Step 1

hi, just wondering what type of power adaptor you would need to power the fan, thank you

How to make an easy homemade air conditioner from a fan and water bottles

hi everyone please hit a like button for my brother and even see my instructble

How to make an easy homemade air conditioner from a fan and water bottles

Reply 6 years ago

where’s the like button?

How to make an easy homemade air conditioner from a fan and water bottles

I love it! It’s been super hot here lately (Big Island, Hawaii, because of the hurricanes creeping up on us – but they never really “hit” because of the two 13K+ ft volcanoes behind us. but we still get super high humidity and warmth) and I was looking for a “regular” air conditioner but didn’t want to mess with my windows. Would a slightly larger fan be too much (cheapo at the hardware store), or is the small computer fan good for a bedroom. I’m not an engineer but I suppose there has to be an accommodating intake/output, plus I’d like to use a large solid block of ice or two (thinking longer time for a single use). Or maybe big ice with your arrangement?

How to make an easy homemade air conditioner from a fan and water bottles

Reply 6 years ago on Introduction

Thanks for your comment, practically speaking this design cannot really be used to cool a room as such, it’s more like cool breeze. Although you could try putting a bigger fan, you would have to replace the ice much faster (the ice with the current setting lasts for a maximum of 2 hours) or better still you could increase the box size so you can add more ice.

Summer is in full swing and many of us are complaining about the heat. But few places reach the scorching temperatures residents of Bangladesh experience, and air conditioning is simply not an option for most people living in rural areas. Ashis Paul developed a clever DIY cooling system that doesn’t need any electricity and is built from a common waste item: empty plastic soda bottles. In just three months, Paul’s company has helped install its smart powerless air conditioners, called Eco Coolers, in 25,000 households, with many more still ahead.

  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles

The Eco Cooler is reportedly the world’s first-ever ‘zero electricity’ air conditioner, and its inventor wanted to get the concept out there to help as many people as possible. The Grey Group stepped in to help, using its position as a multinational advertising firm to put the plans online, at no cost, so that anyone can build their own Eco Cooler system. Volunteers from Grameen Intel Social Business helped build and install the units, as well as teach locals how to make them, so the wisdom can be passed on.

How to make an easy homemade air conditioner from a fan and water bottles

The Eco Cooler method is fairly simple, from a construction standpoint. A board is cut to fit the desired window, and bottleneck-sized holes are cut out in a grid pattern. The bottoms of empty plastic bottles are cut off and discarded, leaving funnel-shaped bottlenecks that are placed on the grid. That’s all there is to the Eco Cooler, except for the task of installing it in place of the regular window. When mounted, the wider part of the bottles faces outward and catches the passing wind, literally funneling cool air into the building’s interior.

How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

The efficacy of the Eco Cooler varies widely based on conditions, but Grey Group reports it has the ability to reduce indoor temperatures as much as 5 degrees Celsius, which is on par with what an electric centrally installed air conditioning system can do. In some instances the Eco Cooler can reduce indoor temperatures from a sweltering 86F (30C) to a comfortable 77F (25C). For the 70 percent of residents who live in tin-roofed huts that amplify the sun’s heat, the Eco Cooler could be a breath of fresh air just in time for summer.

Images via Shutterstock and Grey Bangladesh

  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles
  • How to make an easy homemade air conditioner from a fan and water bottles

9 thoughts on “This amazing Bangladeshi air cooler is made from plastic bottles and uses no electricity”

If you install this , you will need an open window on the opposite side of the space you are cooling. If you do a little research you will find, that you can create a constant air flow no external breeze needed. Just the vaccume created by the difference in temperature between the outside and inside. Simple fluid dynamics. I think this is a brilliant idea.

Agrajag, you’re about 95% right. Putting one of these in a window would actually be detrimental to ventilation. Fluids being squeezed though a smaller opening may seem like an increase in airflow, but it’s only increasing in velocity while sacrificing volume. If you were trying to fill a swimming pool you wouldn’t expect to fill it faster by hooking a garden hose up to a fire hydrant instead of using a fire hose.

The claims about this device are physically impossible. Heat is energy, and energy can not ever simply disappear. So if this device actually did cool the air, the excess heat-energy would have to go somewhere. Where does it go? Electrical AC works by cooling indoor air and dumping the excess heat outdoors, i.e. they eject warm air on the outside. But this device doesn’t do any such thing. So where does the excess heat go? It’s physically impossible for it to simply disappear. This device can still work like ventilation though, and contribute to a lower indoor temperature by increasing air-flow. Ventilation can’t reduce indoor temperature to anything lower than the outdoor temperature though.

Wow – combine it with dew collection and a solar distiller and you’d have air conditioning, dehumidification AND clean water!

Thank you for this info. This can be used anywhere. We need more people to think outside of the box for easy everyday solutions to problems faced by all.

How can it reduce indoor temperatures as much as 5 degrees Celsius?

Dear All, I have published an article on the Eco-Cooler, as follows; predicting more application of the same: This simple solution by Mr. Ashis Paul, from Bangladesh might be revolutionizing the energy saving worldwide on the air cooling systems! Best regards, Mashallah Ali-Ahyaie

Zero energy cooler is seemingly a two fold benefits initiative, both for environment. Let’s spread the idea across the globe, as it will radically increase energy efficacy.

I am assuming if you rent this can also be built to fit inside the lower half of all the windows. Like an window AC unit. I will be building several of these and passing on the information if they actually help.

It can be expensive both in price and in energy to cool your RV when the weather warms up. Many smaller RVs receive very little in the way of A/C and are left with open-air cooling or small fans to get the job done.

Regardless of your situation, you may find some interest in this very clever and cost-effective 5-gallon bucket turned DIY air conditioner idea.

How to make an easy homemade air conditioner from a fan and water bottles

YouTube user DesertSun02 is the force behind dozens of DIY solar power, off-grid, survival, and green living projects. He uses very simple techniques and easy to find materials such as cardboard, bottles, wood, and glass.

One of our favorites is his DIY air conditioner made from a 5-gallon bucket. For around $25 (assuming you do not have any of the needed materials laying around the garage), you can generate approximately 5 hours of cold air.

The idea works through a very simple design with a process of forcing air over a frozen gallon milk jug and out through three exhaust ports.

How to make an easy homemade air conditioner from a fan and water bottlesItems needed
  • 5-gallon bucket with a top
  • Bucket liner or bait bucket that can fit inside the 5-gallon bucket (serves as an insulator)
  • 2” PVC pipe long enough to cut into 4-6” sections
  • A small electric fan that has a removable base so it can sit flush against the bucket (6-10” fan)
  • Box cutter/Utility knife
  • 2 1/8” and 2 1/4” hold saw bits
How to make an easy homemade air conditioner from a fan and water bottlesHow to make the DIY air conditioner
  1. Drill 2-1/4″ holes in the bucket to support the exhaust ports.
  2. Drill 2-1/8″ holes in the insulating liner that goes inside the bucket which also hold the exhaust ports.
  3. Cut a hole in the bucket lid so your fan sits flush against the opening.
  4. Insert exhaust PVC ports. May require glue.
  5. Insert loose ice, ice packs, or frozen gallon jug into the bucket.
  6. Connect the lid and place the fan flush to blow air into the bucket.
  7. Turn on the fan and feel the cold air blowing from the exhaust ports.
See also: 5 Things You Can Do With A 5-Gallon Bucket In Your RV

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We’ve shown you how to make an air conditioner (even for as low as $30 ), but what if you wanted something you can put in your car and take with you?

Make your own air conditioner

The $30 homemade air conditioner we posted over a year ago got an upgrade! You may recall that this

Instructables user CameronSS has a guide to building a portable air conditioner out of materials that you may already have in your garage (if you don’t, he lists the average cost for each part and where it can be purchased), including a portable cooler, 12V battery, fans, and a generous helping of ice. Plenty of pictures and sage advice from his father guide you through the building process, and CameronSS ends the instructions with a list of potential modifications to improve the already great gadget.

Oh, and if you have doubts about how well a DIY air conditioning unit could work, he reported back with these results after putting it to the test in a hot truck:

When the unit was started, the air in the cab was 95 degrees, parked in the shade after a morning of sun, and the outside heat index was 108 degrees. Within five minutes the cab had cooled to 75 degrees, and the air output was 65 degrees. With two quarts of water that had been refrigerated and 8 pounds of ice cubes, the ice had melted after 40 minutes, leaving 50 degree water, with an output of 65 degree air.

How to make an easy homemade air conditioner from a fan and water bottles

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Check out the link below for detailed instructions on how to build your very own portable air conditioner and while you’re down there, hit up the comments section and tell us about how you battle the summer heat.

Making it is really easy and cheap and it can be quickly installed in any window or open surface. All it requires is a sheet and some plastic bottles.

How to make an easy homemade air conditioner from a fan and water bottles

In India and our neighbouring countries, there seems to be no respite from the heat. Although there are the occasional showers that tend to cool things down once a while, there’s still some time for the monsoons to completely set in and drench us all in happiness. The moment these showers stop, the heat sets in again and the temperatures become unbearable. While we members of cities often rush into malls or office for air-conditioners and a respite from the heat, the moment we step home, the coolers or air-conditioners are turned on again. We cannot imagine living without the air-conditioners for even a moment and the heat and sweat is unimaginable without the coller air spitted out from the ac units. Also Read – Sitting in AC for Prolonged Hours Can Harm Your Health: 5 Side Effects of Air Conditioner

But then while you’re happily cooling yourself in front of the ac or cooler, there are millions of people who live in villages and slums who have absolutely no respite from the heat. Forget air-conditioners, their villages do not have electricity making it impossible for them to have even fans! Imaging living without any form of electricity in the heat and surviving the soaring temperatures. Further, in some of the regions, the homes of the villagers are made of tins or have tin roofs which traps the heat inside their homes and makes it a literal furnace or oven. The people get baked inside and the heat is just hard to control. From pouring water on the floors to using hand-fans these people resort to all measures. Also Read – Bengaluru Airport Sets AC Temperature Two Degrees Down to Contain Spread of COVID-19

How to make an easy homemade air conditioner from a fan and water bottles

But now, there’s a new technology developed in Bangladesh that can actually help these villagers gain respite and manage to get air-conditioned like cooling at home, without electricity! Making it is really easy and cheap and it can be quickly installed in any window or open surface. All it requires is a sheet and some plastic bottles – it is quite the recycling project if you think! Called the Eco-Cooler, this contraption can help cool temperatures by up to 5 degree C thereby providing a much-needed respite from the heat. The technique is simple – cut plastic bottles in half (make sure the plastic bottles do not have a wide mouth) and then mount them on a board in a grid like pattern. Voila! AC ready!

How to make an easy homemade air conditioner from a fan and water bottles

Wait, what? How can that be an air-conditioner? Well, according to the science, when the air passes through the bottles, the hot air is pushed to the front, where the opening is smaller and when it is pushed, it expands and cools down. Thus the air which is blown out from the other end is automatically cooler air. They’ve even asked you to try an experiment – place your palm in front of your mouth (without touching it). Now open your mouth wide and blow air through it. The air is hot. Now purse your lips and blow air through it. The air is cool. Apparently, the electricity-free air cooler works on the same concept and helps keep the surrounding areas cooler. Pretty neat sounding, isn’t it? but does it actually work?

How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

There are many villages where these coolers are already installed and despite questions being raised, they have given results with the villagers happy and relaxed. However, what cannot be discounted is the harm caused by breathing in the air blown in from plastic bottles. One thing that can be done is good plastic bottles be used and the plastic bottles be replaced every few months. But apart from the couple of doubts raised by sceptics, the concept is pretty cool and why only villages – the slums can definitely benefit this non-electic ac as well! The nature is thanking you!

A loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp cooler — the affectionate name for an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler — can save you a bundle of money on your electricity bills when temperatures skyrocket during the hot summer months. Unlike an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air conditioner , which relies on near-constant electrical energy to keep refrigerant moving through the condenser coils, a loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp cooler uses only the natural process of evaporation to make your home’s loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air colder . When an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler does use electricity, it’s only to run a fan that pushes loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>cool air into your room.

If you’re excited by the energy savings and sustainability that loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooling provides, great! The trick to getting the most out of your loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler is to know how to use it. These systems don’t operate like regular loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air conditioning , so it pays to learn a few loading. ” data-placement=”top” data-boundary=”window” data-original-title=””> loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp cooler loading. ” data-placement=”top” data-boundary=”window” data-original-title=””> tips and tricks to make it work at peak efficiency.

Here’s what you need to know.

1. Use Your Swamp Cooler in a Dry Climate

How to make an easy homemade air conditioner from a fan and water bottles

The biggest mistake people make with their loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler is trying to use it on humid days. This will never work. The whole point of an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler is to bring down the temperature by allowing a fresh loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>water supply to dissipate into loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>dry air . As loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>water evaporates , it naturally lowers the temperature in that area, and this loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>cold air is then blown where you need it by the system’s fan. This process is the same as sweating: damp skin cools in loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>dry air , making your body cooler in the process.

If you’ve ever noticed how miserable you are on a humid day, it’s because your sweat is evaporating into the air — there’s already too much moisture for evaporation to happen efficiently. The same thing happens with an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler : High loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>humidity levels make it impossible for the loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp cooler to work well because the water just can’t evaporate quickly enough to bring down the air temperature.

2. Use Your Swamp Cooler Seasonally

In general, loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative coolers work best when the relative humidity is around 70 percent. Once it’s above 75 percent, they lose effectiveness and can actually make things feel worse as they tend to make the air more damp. If you live in an area where loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>humidity rises and falls regularly, keep an eye on the weather. You can use your loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp cooler on dry days as a way to keep your loading. ” data-placement=”top” data-boundary=”window” data-original-title=””> loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>central loading. ” data-placement=”top” data-boundary=”window” data-original-title=””> loading. ” data-placement=”top” data-boundary=”window” data-original-title=””> loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air conditioning use to a minimum, which will help you save on your utility bills.

3. Open the Windows

Running an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler means “unlearning” some things you know about traditional loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air conditioning . While an loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air conditioner is most efficient in a sealed and insulated environment, loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp coolers actually do best with a steady stream of loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>fresh air . As you run a loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>swamp cooler , it makes loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>moist air in your home as loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>water evaporates into the air. However, the more humid the air in your house is, the less effective your loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler will be. To solve this problem, keep a few windows cracked to let loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>dry air in and damp air out. An inch or two of air space should be sufficient to create an effective loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>cross breeze . You may need to experiment to find the right combination of loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>open windows and correct positioning of the loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>evaporative cooler to keep the loading. ” data-placement=”top” data-boundary=”window” data-original-title=””>air flow working, but this is crucial for making sure your house doesn’t start to feel clammy.

Clean up your shower routine with these simple, natural hair recipes.

How to make an easy homemade air conditioner from a fan and water bottles

No one wants to go around with an oily mop, but some of the products designed to clean said mop can take a toll on your scalp, or cost a premium at the drugstore. The solution? Homemade shampoos made with natural ingredients you already have in your house.

Before you write off the idea of homemade shampoo as the domain of hippies, rest assured that these DIY recipes really do get your hair clean and shiny, whether your hair is oily, dry, or somewhere in between. See below for our easy, homemade shampoo recipes.

Basic Homemade Shampoo

How to make an easy homemade air conditioner from a fan and water bottles

  • ½ cup water
  • ½ cup castile vegetable-based liquid soap like Dr. Bronner’s (available on Amazon)
  • 1 teaspoon light vegetable oil or glycerine (omit if you have oily hair)
  • A few drops of your favorite essential oil (optional)

Combine ingredients, mix well, and put in a recycled shampoo bottle. Use a palm-full of the shampoo or less to lather once, and then rinse with warm water. This homemade shampoo is thinner than commercial shampoo and it won’t suds as much — but it will eliminate oil and grime just as well as the over-the-counter stuff.

Herbal Homemade Shampoo

For a naturally scented shampoo, opt for a scented castile soap, or substitute ½ cup strong herbal tea — chamomile, lavender, and rosemary are good choices — for water in the Basic Shampoo recipe.

Homemade Apple Cider Vinegar Shampoo

How to make an easy homemade air conditioner from a fan and water bottles

If you want to know the real secret to truly healthy hair, grab a box of baking soda and some apple cider vinegar. Note that the mixture works well, but it can take a while for your hair to adjust (i.e., it might be very oily at first).

Put a few tablespoons of baking soda in the bottom of a repurposed squeeze bottle, top it off with hot water, and shake it well. (You can add a few drops of your favorite essential oil, too, for scent.) After it settles for a few minutes, apply ¼ cup to wet hair, work it through with fingers, and rinse it out. There are no suds, but this homemade mixture leaves hair clean and shiny. Follow that with this basic rinse recipe: Mix ½ cup of apple cider vinegar or fresh lemon juice with two cups water. Pour it through your wet hair and rinse with cool water.

Egg Yolk Conditioner

How to make an easy homemade air conditioner from a fan and water bottles

  • 1 egg yolk
  • ½ teaspoon olive oil
  • ¾ cup warm water

Right before you wash your hair with your homemade shampoo, beat the egg yolk until it’s frothy, add oil and beat again, then add water slowly while beating. Pour the mix through wet hair, working it in with your fingers. Allow it to set for a few minutes then rinse it out with warm water.

Deep Conditioner

How to make an easy homemade air conditioner from a fan and water bottles

For dry or damaged hair, using a deep conditioner once a week can make a huge difference. You can use any of the following in combination or alone: olive oil, coconut oil, beaten egg, yogurt, mayonnaise, mashed banana, or mashed avocado.

Massage any of these into wet hair, wrap it all up turban-style in an old towel for 20 minutes, and rinse well.

Herbal Color-Modifying Rinses

How to make an easy homemade air conditioner from a fan and water bottles

While none of these will turn blond hair black or black hair strawberry blonde, using them on a regular basis can add highlights and even tone down some graying strands.

To lighten hair: Soak in strong chamomile tea, diluted lemon juice, or tea made with fresh rhubarb. For more pronounced results, allow rinse to dry in hair — outside in the sunshine if possible.

To darken hair and mellow out graying strands: Strong sage, lavender, or cinnamon tea.

To add reddish highlights and tint: Hibiscus flower tea.

Citrus Natural Hair Spray Recipe

How to make an easy homemade air conditioner from a fan and water bottles

  • ½ orange
  • ½ lemon
  • 2 cups water

Chop fruit finely, simmer the pieces in water until they are soft and the liquid is half gone. Strain liquid into a small spray bottle and store in refrigerator between uses. Spray finished hair lightly; dilute with water if sprayed hair is stiffer than you desire.

Easy Anti-Static Treatment for Dry Hair

Put a small dab of natural hand lotion in one palm, rub hands together to coat both evenly, and run your fingers through your hair.

If temperatures have spiked in your locale—as they have in many areas of the country—you might be looking for a quick fix to cool off faster. Set up a super basic evaporative cooler for a free and simple cooling solution.

There’s a good chance you have everything you need to set up a primitive evaporative cooler right at hand: a fan, a shallow container, and some water. Over at the project blog of Michael Colombo, Push the Other Button, he details his experiment in cooling his home in New York using evaporative cooling:

At home, we only have A/C units on the second floor, and I do most of my work on the Mac, which is on the first floor. Yesterday the New York metro area wasn’t just hot, it was Africa Hot, and today looks to be more of the same, but I’ve got work to do. This morning I lowered all the blinds in an attempt to keep the heat out, and set up the window fans on tables with shallow baking pans full of water in front of them. The idea is that the air flowing from the fans will evaporate the water and cool down the room.

We’ve shared DIY air conditioners before—like this bucket/fan combo and this effective but complicated copper-tube build —but this basic fan-over-pan air conditioner requires so little effort that even if it doesn’t work well for you, you’re only out a few cups of water and a couple minutes of your time. In Michael’s case it worked well enough for him to consider it a success as the peak temperature of his office was 90F on a day where the outside temperature reached 97F. Check out the full article at the link below for some interesting information on how to roughly calculate the potential effectiveness of evaporative cooling based on the current temperature.

Yet Another Homemade Air Conditioner

Things are heating up this summer across the country, and air conditioner-less times and places…

How to make an easy homemade air conditioner from a fan and water bottles

Water can be used to cool a room when you don’t have air conditioning or want to save electricity. Evaporation is the best method and these methods are often referred to as a “swamp cooler”.


  • 1 Method 1: Face cloth or small towel
  • 2 Method 2: Ice bowl in front of fan
  • 3 Method 3: Styrofoam cooler combined with a fan
  • 4 Method 4: Pots of water
  • 5 Method 5: Swamp cooler
  • 6 Method 6: Deep water source cooling
  • 7 Tips
  • 8 See also
  • 9 References

Method 1: Face cloth or small towel [ править | править код ]

  1. Use a usual room fan with a grill on the front.
  2. Dip a facecloth or a small towel into cold water. If possible, use water in a bowl filled with ice cubes to make it as cool as possible.
  3. Wring the cloth out so that it’s damp, not dripping wet.
  4. Lay the cloth over the fan. As it blows the air out, it’ll circulate through the cloth and the air will feel cooler. Make sure that the cloth cannot get caught on the fan in any way at all––if this is a possibility, don’t use this method.
  5. Replace the clothes frequently, as they dry out.
  6. On a larger scale, soaked blankets or sheets can be hung in front of a window or porch screen and the night breeze can go through the wet fabric and cool the room.

Method 2: Ice bowl in front of fan [ править | править код ]

Another approach is to place a bowl of ice water in front of a fan. Keep refilling with ice as it melts. Mind that freezers generate heat on the outside as they cool down the internal space. If your freezer is in the same room that you want to cool down, it will create more heat in the long run and consume more energy.

Method 3: Styrofoam cooler combined with a fan [ править | править код ]

A step up from the ice bowl is a styrofoam ice cooler that provides continuous cool air for hours due to its larger capacity and styrofoam insulation. Note that while this method does cool a room for longer and with less maintenance effort, the cooling effect is still enough for only one medium or small-sized room.

  1. Acquire a styrofoam cooler and a desk fan. Remove the front grill of the fan if possible.
  2. Cut a hole to the cooler’s lid that’s wide enough for the fan to efficiently blow air through but small enough that the fan won’t fall in through when placed on top of it.
  3. Cut one to three smaller holes for the air to exit through. If your fan isn’t very strong you may want to add only one hole. You may want to add the exit holes to the lid (if there’s enough space) or to the sides of the cooler.
  4. Optional: Fit some PVC plastic tubes or metal vent tubes to the holes to direct the airflow where you want it.
  5. Fill the styrofoam cooler with frozen water bottles, place the fan on top of the intake hole, and turn it on.

Method 4: Pots of water [ править | править код ]

  1. Find a few round bowls such as fishbowls. They should be medium to large in size.
  2. Lay down some soil in the base of each bowl. Add water plants.
  3. Fill with water.
  4. Place the bowls under a window. Every time the window is open, the breeze will flow over the bowls of water and help to cool the air in the room.
  5. This method can also be used in large containers outdoors provided you don’t live where mosquitoes are a health problem.

(To avoid the mosquito threat , just have one or two small aquarium fish such as Guppy alias Gambusia Affinis in the tank; none will ever see a wriggler in that for sure.)

Method 5: Swamp cooler [ править | править код ]

How to make an easy homemade air conditioner from a fan and water bottles

When I’m at Burning Man, I typically stay up until after sunrise. Then, knowing that I’ll be doing the same all week, I want to get a good sleep. During the day, sleeping in a tent is like sleeping in a sauna, even with a shade structure. This little solar swamp cooler chills the space enough for me to get a good rest.

Swamp coolers or Evaporative coolers (Wikipedia:Evaporative cooler) only work well in hot, dry environments. Perfect for BRC. Look over Wikipedia’s article for an in depth description of the physics. But here’s a rudimentary explanation:

We all know water boils (evaporates very quickly) when we heat it up enough. Well there’s a direct correlation between how much energy is added to water and it’s rate of evaporation. Looking at it another way, if water evaporates, it must have gotten the energy to do so from somewhere. When we blow hot, dry air over water, the water evaporates and takes the heat energy from the air to do so. As a result, the air gets cooler. And, the air gets more humid, which at Burning Man give a nice break from all the dry dustiness.

Method 6: Deep water source cooling [ править | править код ]

How to make an easy homemade air conditioner from a fan and water bottles

Deep water source cooling (DWCS) or deep water air cooling is a form of air cooling for process and comfort space cooling which uses a renewable, large body of naturally cold water as a heat sink. It uses water at a constant 277 to 283 kelvins (4 to 10 degrees Celsius) or less which it withdraws from deep areas within lakes, oceans, aquifers and rivers and is pumped through the primary side of a heat exchanger. On the secondary side of the heat exchanger, cooled water is produced. [1]

Stop suffering from dry winter indoor air with these clever DIY ideas for faking a humidifier—and even making one yourself.

By Michelle Ullman | Updated Nov 21, 2018 3:44 PM

How to make an easy homemade air conditioner from a fan and water bottles How to make an easy homemade air conditioner from a fan and water bottles How to make an easy homemade air conditioner from a fan and water bottles How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

Winter doesn’t just bring colder temperatures outdoors; in most areas, it also means bone-dry air inside your home, as central heating systems suck away any humidity Mother Nature might bestow. Reduced moisture in the air can leave your skin dry and itchy and lead to sinus congestion symptoms—stuffed nose, itchy eyes, and parched throat—to say nothing of annoying static cling and shocks when you touch the doorknobs. Lower humidity levels are also hard on your houseplants, pulling moisture from their leaves faster than the roots can replace it.

Increasing air moisture with a humidifier is the obvious solution, but purchasing these devices—which start around $30 for a very small unit and can cost as much as $200—for every room would get pretty pricey. What’s more, humidifiers run on electricity, which will surely add to your utility bill. But with a little ingenuity, you can up the moisture level in your home for less—by simply changing your shower habits or building a DIY humidifier out of inexpensive supplies. Check out these eight easy tricks to outsmart dry winter air.

How to make an easy homemade air conditioner from a fan and water bottles

1. Boil Water

Boiling water releases clouds of vapor into the air. So make pasta for dinner, brew yourself a cup of tea, or simply put a pot on the stove (add a pleasant fragrance to your home by adding a few drops of your favorite essential oil, fresh herbs, or dried spices like cinnamon). Keep the boil going for 10 minutes or so, then pour the water down your kitchen sink to diminish greasy buildup in the drain.

2. Put Evaporation to Work

Evaporation—the process of liquid water changing into water vapor upon exposure to pressure or increased temperature—is a natural part of the water cycle. Here are some ways to make this miracle of nature work for you and amp the humidity in your home: Set bowls of water near windows or heater vents. Fill a ceramic or metal bowl (not glass, which could shatter from the heat) with water and place it atop your radiator. Splurge on fresh flowers or display interesting branch clippings in a water-filled vase.

How to make an easy homemade air conditioner from a fan and water bottles

3. Harness Your Houseplants

Transpiration is the process a plant uses to draw water and nutrients out of the soil, move it through the plant’s roots, stems, and leaves, and then return most of that water back into the atmosphere in the form of water vapor released through the leaves. What does all that biology mean to you? That you can add a bit of humidity to every room by going green with a houseplant collection. Grouping your plants gives the best results, as it multiplies the number of leaves and the surface area giving off water vapor. Keep your plants well-watered, but not soggy, to help the plants maintain their optimum moisture levels.

4. Reap Shower and Bath Benefits

There’s nothing like a hot shower to get your morning started, or a warm bath to wind down at the end of the day. It’s even better when you use all that waterpower to add moisture to your home. Leave the bathroom door open while you shower, or open it as soon as you’ve finished, so humidity will flow to the next room. Instead of draining the tub the moment you get out, let the water sit until it cools completely, giving it time to release water vapor into the air.

5. Fake a Humidifier with a Wire Hanger

Here’s a cool humidity hack: Fill a bowl with water, bend a wire coat hanger in the middle so that it can “sit” over the bowl, and then drape a damp washcloth or hand towel over the hanger so that the towel partially hangs into the water. Water will wick from the bowl up into the towel and then evaporate into the air. This is a more effective than simply filling a bowl with water due to the larger surface area provided by the towel. Try placing the contraption near your headboard to stave off nasal congestion at night.

6. Make a DIY Humidifier with a Fan

The mechanics of a store-bought evaporative humidifier are fairly simple, involving a water container, a wick to absorb the water, and a fan to blow moisture into the air. With those basics in mind, a savvy DIYer can build a homemade humidifier for less than $15, using such supplies as a water bottle, a computer fan, and a sponge. Explore online for how-to videos and give it a try, just remember to exercise caution to avoid a shock when using water and electricity.

How to make an easy homemade air conditioner from a fan and water bottles

7. Get Moisture from Major Appliances

Using—or bypassing—certain major appliances is an easy way to up the humidity level in your home. Instead of letting your dishwasher go through the hot-dry cycle, open the door once the washing process is finished, and let that billow of steam moisten your indoor air. Instead of loading your delicates into the clothes dryer, hang them up on a line or rack inside the laundry room or kitchen. You’ll save on your utility bills, decrease wear-and-tear on your clothing, and add moisture to the air as the dampness evaporates from the cloth.

8. Try Something Fishy

Whether it’s a simple bowl with a goldfish, a 20-gallon tank full of colorful tropical fish, or a 100-gallon saltwater tank displaying stunning coral and saltwater specimens, an aquarium provides plenty of water vapor due to evaporation into the room air. Of course, an aquarium’s benefits go far beyond just humidity; you’ll also gain an interesting hobby, a decorative focal point, and a relaxation aid. That’s a whole lot of win.

I have learned, over the past 79 days or so, that the apartment I moved into in January is not a good summer apartment. No matter which way my boyfriend and I configure the four windows in our place—windows open in the front and the back of the apartment, to catch a cross-breeze; front windows open only; all windows open, with shades drawn to keep out the sun—there’s not hint of air flow to be had. It is totally, completely still, and stifling hot.

Which means I—who, in my last apartment, had the luxury of being anti-AC and pro-breeze—have had no choice but to surrender to air conditioning. We’re fortunate that a window unit came with the place, slotted into a window in our bedroom that looks out at a narrow alley. I don’t know what we would do without it. The bedroom, in particular, has turned into a heat box. We’ve learned to turn on the AC for a half hour before bed, with the door closed, then turn it off and train a heavy-duty fan on the bed all night.

As life-saving as it is for a New York City summer, this AC unit, like many AC units, is ugly. It’s a sort of dull, yellowed beige color, and somebody (probably the previous tenants) sealed bits of it with duct tape. It does the trick, but I don’t want to have to look at it for the twenty-three and a half hours it’s not in use each day.

Matt had the idea of building a cover for it, and one day when he was at work, I decided to do it myself. The result is nothing fancy, but it’s lightweight and does a good job of keeping the ugly bulk of the AC unit hidden away.

Behold, the easiest, cheapest DIY AC cover you can make at home (with materials, I might add, from the art supply store).

Photography by Annie P. Quigley.

Above: The end result.


You’ll need:

  • Measuring tape
  • Four strips of lightweight wood, cut to your window/AC dimensions. I used 2″ wide balsa and basswood strips from Blick Art Materials, $1.99 each. (I would’ve used all basswood, since it’s much sturdier, but only balsa came in strips long enough for our wide windows. You can also get wood cut so you’re not hemmed in by lengths. More on that later.)
  • Wood glue
  • Small screws or nails (optional)
  • Canvas, a flour sack dish towel, or other simple fabric. This project would be yet another nice use for a canvas drop cloth, but I used the cheapest painter’s canvas I could find at Blick: I paid $5.17 for a yard.
  • Staples and staple gun


1. Measure.

Measure the interior of your window where you’d like the cover to sit. For the height, be sure to measure a bit generously from the top of the AC unit; for the length, subtract a half inch or so to ensure your cover will fit snugly within the window. (I made my frame to the exact measurement the first time and it didn’t fit.)

An important note: We have deep windowsills, so I opted for narrow strips of wood that would stand up on their own, like a frame, in front of the AC unit, and still leave quite a bit of bare windowsill. If you have shallower sills, and your unit overhangs them into your living space, retrofit this design with wider pieces of wood, so that you end up with less of a frame and more of a deep box that can fit snugly over your unit. (The bottom can fit snugly between unit and sill.)

2. Make a frame.

Cut your four pieces of wood to size: two strips for the length you measured, two strips for the height. The wood that I got from the art supply store was thin enough that I cut it with an X-Acto knife (I wanted my frame to be extra lightweight), but you could also use hardier wood and have it cut to your measurements.

Also note: If you find a ready-made frame that fits your measurements, even better. I made my own because I wanted it to fit perfectly, and no frame I could find was just right. Above: Holding the frame in place while it dries.

Glue the four lengths of wood into a rectangular frame using wood glue, one corner at a time, using something with a right angle (like a notepad) to ensure that all of the corners are square. Hold each corner in place as it dries.

Leave the frame for at least half an hour to let the glue harden. Then, if the wood is thick enough, you can add some hardware to secure it if need be. Mine was fairly sturdy, and the wood was thin, so I added triangular supports in each corner, cut from spare pieces of wood and adhered with wood glue, instead. Above: The finished frame.

3. Cut and position the cloth.

Lay out your cloth and measure the length and width of your frame, with three extra inches added to each measurement. My frame measured 33 inches long by 16 inches high, so I traced a 36- by 19-inch rectangle. Cut it out and—this is important—steam or iron the cloth. It’ll be harder to get out wrinkles once it’s on the frame. (I learned this the hard way.)

Above: Readying the cloth. Above: Measuring.

Lay your cloth over your frame and tuck it down inside. It should lay flat and tight along the bottom (this will be the front of the cover). Trim the sides if they overhang the wood frame.

Another note: You could also stretch the cloth over the front and sides of the frame if you don’t want to see the wood.

4. Staple it in place.

Using a staple gun, staple the canvas to one side of the frame as close to the bottom of the wood as you can. Then, turn to the opposite side of the frame, pulling the canvas taut across and stapling it in place on that side. Repeat, working across opposite sides, always pulling the canvas taut.

(My wood was thin enough that a regular old stapler did the trick, but once I procure a heavy-duty staple gun I’m going to do this part over again. I’d like to get the canvas much tighter and snugger.)

5. Set into the window and admire.

The End Result

All told, this project took me less than three hours (a walk to the art supply store included) and cost $15. It’s a simple solution but already it’s an improvement on the unsightly realities of summer in the city.

Trying this yourself? Try a scrap of linen—even caning—instead of canvas. Paint the frame. And alter the dimensions to whatever works for you.

How to make an easy homemade air conditioner from a fan and water bottles

Many of us have air conditioning units, especially if we live in hot climates. If you are a happy owner of one of these, then outside it may look not the best way and spoil your landscape. Wanna hide this eye sore? I’ve prepared some DIYs for you to cover the AC unit and get a decent look. Let’s get started.

The first cover is made of furring strips and one bundle of lath. The piece looks like an outdoor shower, it’s kind of a box built of wooden planks that are painted white. You can actually use any other paint or finish.

How to make an easy homemade air conditioner from a fan and water bottles

DIY AC unit cover of furring strips and one bundle of lath (via

The next DIY was inspired by Pinterest. It’s a three-sided screen that would be placed on the ground around the unit. It’s made of corner posts, lattice, outside and interior wood trim pieces. This cover makes the AC unit look good and adds character to the garden look.

How to make an easy homemade air conditioner from a fan and water bottles

DIY ‘Pinteresting’ three-side AC unit cover (via

The third craft is made of lumber, and it’s big enough to cover not only an AC unit but also pool equipment. Build a box of lumber of required dimensions making up a frame first. Here the lumber wasn’t painted, just finished but you can go for any color or pattern.

How to make an easy homemade air conditioner from a fan and water bottles

DIY lumber box for pool equipment and AC unit (via

The screen in this tutorial is just two-sided because shrubs will help soften it. The screen is built of frames that are made of wood planks. A finish or a color is up to you.

How to make an easy homemade air conditioner from a fan and water bottles

DIY two-side air conditioner unit cover (via

In this craft we’ll cover the AC unit with plywood. Plywood weighted down with bricks does a good job of protecting your air conditioner condenser in winter.

How to make an easy homemade air conditioner from a fan and water bottles

DIY AC condenser cover unit of plywood (via

This AC cover was built of reclaimed wood, you can also use pallets here. You may stain it or paint the way you like. The last step was to attach an awesome hose holder.

How to make an easy homemade air conditioner from a fan and water bottles

DIY AC unit screen with a hose holder (via

No wood for this cover, to make it you’ll need plastic privacy lattice screens. The author picked up wooden pickets and hit them into the ground with a rubber mallet. A few bags of river rocks allowed not to worry about the lawn.

How to make an easy homemade air conditioner from a fan and water bottles

DIY AC unit cover of plastic privacy lattice screens (via

The next cover is more solid and took more time to make it. The cover was made of wooden boards, the authors first built a solid frame and then attached planks on it. It was given a weathered and worn look with a cool stain. A couple of potted flowers on the sides finished the look.

How to make an easy homemade air conditioner from a fan and water bottles

DIY weathered wood AC unit cover with potted flowers (via

In this project the cover is made of wooden planks and fabric. It’s not to cover it to save your garden look but it will help the unit to survive a winter. Read how to make a frame and attach the fabric to it right.

How to make an easy homemade air conditioner from a fan and water bottles

DIY AC unit cover of wood planks and fabric for winter (via

This cover for the air conditioner is for inside. It perfectly hides the conditioner and with a chalkboard finish you can leave messages and images on it, so practical and so cool!

How to make an easy homemade air conditioner from a fan and water bottles

DIY chalkboard air conditioner cover for indoors (via

Here’s another outdoor AC screen built of louvers. The item was assembled and painted and then put right on the ground to hide the ugly unit. The kids helped a lot to build the screen, so you can ask your children to help too.

How to make an easy homemade air conditioner from a fan and water bottles

Usually, we want nothing more than having our appliances last a lifetime without giving them any attention.

Ideally, if your household or company has an air conditioner, then you probably figured out that’s not really going to happen.

Like most appliances, air conditioners require routine maintenance to prevent malfunctions and inefficiencies.

AC Coil cleaning is one of the most effective approaches for maintaining the cooling and functionality of the air conditioner, yet it’s can be over-interpreted and generally undervalued.

Even if you value coil cleaning, you may wonder if you are doing it the right way.

Follow the instruction below for a successful AC coil cleaning.

Things You’ll Need.

  • Rubbing alcohol
  • White Distilled Vinegar
  • Mild Dish Soap
  • Warm Water
  • Corn Starch
  • Spray Bottle
  • Soft Bristle Brush or Sponge

Mixing Homemade AC Coil Cleaner

Mix together alcohol, vinegar, mild dish soap, and cornstarch in a new spray bottle.

For best results, do not use an old spray bottle that may contain prior chemicals.

Be sure to label the spray bottle for easy identification and store it safely, away from pets or kids.

Spritz the coils with the mixture, wipe with a sponge or soft bristle brush, and rinse.

Basic Homemade AC Coil Cleaner Formula

Only have alcohol and vinegar? No problem.

Mixing together alcohol and white vinegar can be just as effective, even without the other components.

Although this solution less abrasive and may not work well on stubborn debris, it makes quite a fast-acting air conditioner coil cleaner.

Best Free Tool for Wiping AC Coils

Sometimes the best things are free! It’s a true saying.

You’re probably wondering if you can use an old rag or towel, and sure you can – if it is clean.

But even clean rags and towels can leave lint and paper residue behind.

Another great alternative, the traditional newspaper!

It is a common household item that can leave your ac coils without streaks and residue-free.

Helpful tip

The maintenance steps for proper caring of your air conditioner coils at the start of the summer will get your ac unit in top shape for the months to come.

Be sure to check and clean the filter as needed.

How to make an easy homemade air conditioner from a fan and water bottles

About The Author: Hi, I’m Jessica. I’m a Mom of 2 and I love DIY hacks, home decor ideas and non-toxic cleaning tips. I created this website to share my knowledge with a community of like-minded people who love simple, easy and safe ways to keep their home clean and inspiring. I hope you enjoy!

Global warming has not only changed the temperature of the entire world but has also disturbed the finances of everyone. The hot season comes with significant numbers of electricity bills due to Air conditioners. We have compiled a list of 7 easy to make DIY homemade swamp cooler plans, which can reduce your bills to half. A homemade swamp cooler work on the principle of cooling the evaporated water particles. The mechanism is simple to understand. Have you ever noticed how your body gets cold right after taking a shower? Well, that’s precisely what evaporative cooling is. Evaporative cooling is used in a homemade swamp cooler, and you can make them yourself at home. The DIY swamp cooler is cost-effective, efficient in operation, and environment-friendly.

These tutorials explain 7 different ways to conduct a DIY swamp cooler project. The exact material required and the time it takes to make a swamp cooler is all explained elaborately in these tutorials. The details about where you can place your DIY evaporative cooler and how many spaces it requires, all is explained here. Though a swamp cooler does not work everywhere, there are some parameters to consider before installing it. Therefore, do not throw your air conditioner before making all the calculations.

1. How to Make a Swamp Cooler

How to make an easy homemade air conditioner from a fan and water bottles

Getaway from the heat inside your house and make a DIY swamp cooler for your home. You don’t need to be an expert handyman to do this project. Gather supplies like Dura-cool pad, fan, pump, flex-duct, wire nuts and connector, 12 volts battery, gator clips, power drill, 12v power wires, and adhesive to get it going. theplayalabs

2. DIY Swamp Cooler Using a Bucket

How to make an easy homemade air conditioner from a fan and water bottles

It’s sweltering afternoons in most of the places, but don’t worry, this swamp cooler idea is perfect for giving you a cool nap at noon. Take the materials and start building one with a 20L bucket, a thin porous material, a lid, USB desktop fan, hot glue gun, measuring tape, a vernier, and a rotary machine. instructables

3. Build a Homemade Swamp Cooler

How to make an easy homemade air conditioner from a fan and water bottles

Are you worried about having friends get together at home given the intense heat? This DIY swamp cooler idea can release your all worries into the cold and soothing air! Just use your brain and hands and the supplies like cooling-pad, power wire, drill and connecter, bolts and nuts, fan, and a pump. medium

4. Make a PVC Swamp Cooler

How to make an easy homemade air conditioner from a fan and water bottles

Pull away the heat from your surroundings using this revolutionary idea. This DIY swamp cooler helps you to nap well and sleep tight. Make your own swamp cooler using items like a latching container with lid, a submersible water pump, 2 elbows, 2 three-ways, 3 end caps, and a few bolts and nuts. circoinnovations

5. Portable DIY Swamp Cooler

How to make an easy homemade air conditioner from a fan and water bottles

This wonderful portable homemade swamp cooler is perfect for your hiking and camping trips. It will not let you break your sweat! For making this all you’ll need is supplies like 40” of poly hose, T connector, hole saw, power drill, hot glue gun, battery, gator clip, wire nuts and connector, and Dura-cool pad with flex duct. instructables

6. Inexpensive DIY RV Swamp Cooler

How to make an easy homemade air conditioner from a fan and water bottles

Why rush to the store when you can make an inexpensive swamp cooler by yourself? Using a few simple supplies and your mind, you can end up with a perfect cooler for your room. Grab material like bolts and nuts, power drill and connector, PVC pipes, vernier, hot glue gun, end caps, elbows, and a pump. builditsolar

7. DIY Bucket Swamp Cooler for Camping

How to make an easy homemade air conditioner from a fan and water bottles

Use this DIY swamp cooler that blows the outside air inside. You can now enjoy the weather sitting inside with a cooling effect. To make this swamp cooler, you’ll need supplies that must be already readily available to your nearby hardware store. Including fan, cooling-pad, drill, T-connector, and power battery. offgridsurvival

Get ready to have a sound sleep in the scorching heat by making any of these DIY swamp cooler design for home. You can make them for your office or cafes as well. Wherever they can work, try building one. These DIY DIY swamp cooler plans are full of advantages and are not that difficult to construct. The material needed can be purchased from any hardware store nearby. Your life will be full of ease with these DIY evaporative cooler plans.

Crank up the cooling power of your fan.

How to make an easy homemade air conditioner from a fan and water bottles

We know how difficult it can be to get a restful night’s sleep in hot weather, but there are some tricks you can do with your fan to help cool your room before you go to bed, and it can be as simple as using a bucket of ice! Here’s how to cool down a room.

1. Create a crosswind

The experts at the Good Housekeeping Institute recommend creating a crosswind, which essentially gets the hot air out and the cool air in.

‘First, keep your windows, doors and blinds shut during the day to avoid hot sun beating down into your house. Then, during the evening, open your windows and place one fan facing out of your window, so it pushes the heat out,’ they advise.

‘Use a second fan, placed inwards, to circulate cool air into the room.’

2. Use a bucket of ice

According to the GHI, placing a bucket of ice in front of a fan as a homemade AC unit is just as effective. ‘As the air passes over the ice it will be chilled and will circulate refreshingly cold air around the room,’ they explain.

3. Freeze bottles

There is one method that is particularly ‘favoured’ by the GHI’s consumer director, so listen up. All you have to do is freeze an empty 4 pint or 1 litre plastic bottle, place it on a tray and cover with a damp cloth. Position this in front of the fan so the breeze is cooled from the iced bottle and your room will benefit from the cooler temperature. It couldn’t be easier.

How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

How to make an easy homemade air conditioner from a fan and water bottles

The Spruce / Letícia Almeida

Are you looking for a way to freshen your home and its contents without the help of a store-bought air freshener or spray? Vinegar is the answer.

How to Use Vinegar as an Air Freshener

White vinegar is made up of about 5-8 percent acetic acid, and it works to neutralize alkaline odors. To use it as an air freshener, find a misting spray bottle or atomizer. You want a fine mist, as it will produce tinier droplets with more surface area to remove the odor-causing molecules from the air.

Fill the mister with plain old white vinegar from the grocery store. Mist around your room. The vinegar smell should go away fairly quickly. If it is a little too pungent for you, try diluting the vinegar before spraying it. You can go as low as one tablespoon of vinegar in a cup of water.

The beauty of vinegar as an air freshener is that it doesn’t leave behind cheap artificial fragrances and works by freshening the air rather than covering up the smell. If you want to add a scent, try a few drops of a favorite essential oil such as lavender.

If you don’t like spraying vinegar, some people have found success in just placing a shallow bowl of vinegar in a room for several hours or overnight.

How to Use Vinegar to Freshen Carpet and Sprayable Surfaces

To freshen carpet, shoes, trash cans, diaper pails, and other sprayable surfaces, fill a spray bottle with white vinegar, and spritz wherever a freshening is needed. It will neutralize the odors so that your home smells like your home. For this use, you don’t need a mister. You can use any clean spray bottle.

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The Spruce / Letícia Almeida

How to Use Vinegar to Freshen Wipeable Surfaces

To freshen refrigerators, lunch boxes, and other wipeable surfaces, soak a sponge or rag in vinegar and use it to wipe down the entire surface of the item that you wish to freshen. Then, allow the vinegar to dry. Once dry, the smell of vinegar should be gone.

Benefits of Deodorizing With Vinegar

  • Inexpensive: Vinegar is cheaper than any spray deodorizer you can buy.
  • No harsh chemicals: You eat vinegar all the time in salad dressing, mayonnaise, etc. You know what it is, and you don’t need a chemist to decode an ingredient list.
  • Truly cleans: Removes odors, rather than covering them up,
  • Environmentally-friendly: Not only do you avoid propellants, but you also aren’t filling the trash or recycling bin with the used canisters and spray bottles.


Do not reuse empty cleaner bottles. Buy a new bottle to use for your vinegar spray. Keep out of the reach of children.

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How to make an easy homemade air conditioner from a fan and water bottles >

As you probably know a high humidity level causes mould spores to breed. Excess mould can cause feelings of nausea, headaches, fatigue, tingling, numbness and many more.

The cure of course is to bring the humidity level down and keep it down but how do you do that without spending a fortune on an electrical dehumidifier?

Well, below are 5 ways to make a homemade dehumidifier. These dehumidifiers are super easy to make as you only need very basic materials all of which are inexpensive.

Note that if you want to dehumidify a large area then you may have to buy an electric dehumidifier as they are much more efficient than the following DIY dehumidifiers. Simply see our home page for articles and guides to help you select the best electric dehumidifier for yourself.

Do Homemade Dehumidifiers Work?

In our experience people have had great success with the moisture absorbers listed below. However to make sure that your own creations work it is important to purchase an inexpensive damp meter or hygrometer as they are known in the trade.

Damp meters can be picked up for a few pounds and they will eliminate a lot of guess-work as to how effective your homemade dehumidifiers are.

You simply take the humidity reading before you make your DIY moisture absorber and again once the moisture absorber has been functional for some time. If your homemade dehumidifier is effective the humidity level should have dropped satisfactorily.

5 Ways To Make A Homemade Dehumidifier

So for our first homemade dehumidifier lets take a look at a natural dehumidifier.

1. The Rock Salt Dehumidifier

Rock salt is great for pulling moisture out of the air

Did you know that rock salt is a good damp absorber? Try this rock salt dehumidifier and see what you think.

  • A drill or similar hole making device
  • 2 buckets
  • A bag of rock salt (you can buy on Amazon here)
  • Drill several holes in the bottom of one bucket to let the collected water escape
  • Place the drilled bucket inside the other whole bucket
  • Fill the bucket with holes with rock salt

Viola, you have just made your own humidity absorber!

2. The Calcium Chloride Dehumidifier

Hang calcium chloride in a sock to keep humidity levels down

You may have heard about the rock salt dehumidifier but have you heard about the calcium chloride dehumidifier?

The calcium chloride moisture absorber is even easier to make than the rock salt dehumidifier.

  • String
  • A sock or lycra stocking
  • A medium / large bowl or container
  • Calcium Chloride (you can buy on Amazon here)
  • Place the calcium chloride inside the sock or stocking and tie a knot at the open end of the sock
  • Tie the string around the knot of the sock and hang the sock somewhere suitable
  • Place the bowl underneath the sock or stocking to collect the resultant water.

Make sure that the bowl is large enough as over time the calcium chloride will turn into liquid. Replace the calcium chloride as required.

3. The Silica Gel Moisture Absorber

Silica Gel; Shoe companies swear by this stuff!

Silica is the stuff that gives desiccant dehumidifiers their decadence!

So what you are actually making here is a desiccant moisture absorber of sorts. How cool is that?

    • A jar with a lid
    • Hammer and a nail (or something else to make holes in the jar lid)
    • Silica Gel (buy silica gel on Amazon here – comes with humidity indicator)

Note that silica gel comes in different sized packets including 1 gram, 5 gram and 10 gram sizes. We would suggest that you buy the 10 gram packets as you don’t have to open as many packets to fill your jar.

  • Make a bunch of small holes in the jar lid
  • Fill the jar with the silica gel
  • Screw the lid back on the jar

Aren’t these homemade dehumidifiers easy to make?

4. The ultra efficient coffee whitener dehumidifier

Coffee Whitener is a surprisingly good moisture extractor

The coffee whitener humidity absorber is probably the most efficient moisture absorber on this list. Try it out yourself and let us know what you think.

    • Large bowl or container
    • Coffee Whitener (you can buy on Amazon here)
  • Fill bowl or container with coffee whitener
  • Leave filled bowl or container in moist area
  • Wait till coffee whitener hardens
  • Replace coffee whitener

Despite being the best method buying large quantities of coffee whitener can get expensive. It’s obviously cheaper if you have, or know someone who has, access to a cash & carry where large tins of coffee whitener can be purchased at very reasonable prices.

5. Moisture Absorber Crystals

Moisture crystals are always a safe bet for drier air

Moisture crystals or condensation crystals are a great way to pull excess moisture out of the air.

  • Drill
  • 2 containers/tubs/buckets of similar size with lips
  • Moisture Absorber Crystals (buy excellent moisture crystals on amazon here)
  • Make a bunch of holes on the bottom of one of the containers
  • Place the holed container on top of the whole container so that water can drain into the whole container
  • Place the moisture absorbing crystals into the container with the holes

Making your own homemade dehumidifier couldn’t be easier.

Best Moisture Absorber

While the above homemade dehumidifiers / moisture absorbers are fairly cost friendly and easy to make sometimes you need a moisture absorber for in the car or for places that you don’t visit too often such as caravans and small spaces on boats.

Luckily for you we have written an article that focuses on the best 3 moisture absorbers available for under £15!

The bonus is that you can regenerate these moisture absorbers which could provide a lifespan over several years for each unit. This is a much more cost-effective way of getting rid of moisture but making your own DIY condensation absorber is just so much more fun!

Did you try to make any of the above homemade dehumidifiers? How did it go? Let us know in the comments below.

How to make an easy homemade air conditioner from a fan and water bottlesMany times, when it comes time to perform an annual maintenance service on your HVAC system, components that are out of sight inside the system cabinet or air handler enclosure are often forgotten about or overlooked. One of these important components are your AC unit’s evaporator coils. When the AC coils get dirty, the system loses efficiency and performance and can also result in a breakdown or damage to the system itself. According to, having clean air conditioning coils is an essential part of maintaining your air conditioner. Before tackling the cleaning of your AC coils, it’s important to have some basic knowledge on how your air conditioner functions, plus the importance of the evaporator coils.

Why Evaporator Coils are Important

The evaporator coil’s primary function is to capture the heat from your home’s indoor air. While the evaporator coils do their job, the condenser coils (also commonly called the fan coils) release the trapped heat into the air around the outdoor unit. Both coils are typically made of copper and are encased by multiple aluminum fins that help improve the transfer of heat. They are located in separate areas of the HVAC system – condenser coils are in the outdoor cabinet of your system while the evaporator coils are located inside your home in the indoor air handling unit.

Evaporator coils play a vitally important role in the performance of the cooling function of your AC system by providing the cooling that is necessary to generate the cold air that keeps the indoor air of your home or business comfortable, even during the hottest of temperatures. They also play a role in the dehumidification that your HVAC system provides. Water condenses onto the coils as they become cooler, which is then removed from your indoor air. This water is then collected in the drain pan, safely flowing away from the system.

The effectiveness and performance of these two vital functions is greatly reduced when the evaporator coils get dirty. The coils are typically damp from the dehumidification process, so the dust, pollen and other particulates in the air will stick to the coils as the air passes by them. If the air filter is dirty, or no air filter is used at all, this can also increase the amount of contaminants that come in contact with the coil. When all of these factors come into play, enough dirt and dust can collect on the coils to affect their performance in a relatively short amount of time.

Problems that occur when the condenser and evaporator coils get dirty:

  • Ice buildup on coil
  • Increased wear on the system (leading to damage and malfunctions)
  • Lowered cooling capacity
  • Lowered heat transfer
  • Higher energy consumption
  • Higher temperatures and operating pressures

Dirty coils use up to 40% more energy than air conditioning units with clean coils, as well as reducing the cooling function by an estimated 30% or more. Not only will your AC unit continue to lose performance and efficiency, but your monthly utility bills will continue to sky-rocket if dirty coils are left to wreak their havoc. Evaporator coils should be checked regularly and cleaned as needed. Sometimes coils can be prone to easily collecting dirt and debris, therefore monthly cleaning may be necessary. A typical system, however, usually needs to be cleaned every 3 months during cooling season and at the very least annually during scheduled HVAC maintenance.

How to Clean Your AC Coils

The first step in cleaning your AC coils is obviously getting access to them. The evaporator coils are found inside your indoor handling unit behind the removable access panel. Before doing anything, make sure you turn the air conditioner off at the thermostat. You may want to shut off your circuit breaker just to be safe! Then, remove the screws or fasteners and loosen the panel, making sure to place the panel and screws aside where they wont get lost.

Next, use one of the following techniques to clean your AC evaporator coils:

1. Using compressed air. If there isn’t a large buildup of dirt on your coils, it can usually simply be removed with the use of compressed air to blow the dirt off the evaporator coil. You’ll want to direct the compressed air in the opposite direction of the normal air flow across the coil. Also, make sure that you use a consistent airflow across the coil, wear eye protection and use a shop vac to clean up the dirt and debris as it become dislodged.

2. Using a brush. This can be an effective technique for removing light amounts of dirt from the coils, also providing you more control on the pressure and areas that are being cleaned. With this method you’ll use the brush directly on the coils to sweep the dirt away, scrubbing if necessary for harder to remove dirt. You’ll want to use a soft brush, avoiding hard bristles or wire brushes as they can cause damage to the fins.

3. Using commercial cleaners. You’ll have choices when it comes to the selection of cleaners available for cleaning your evaporator coils. After selecting your preferred brand, follow the instructions that come with the cleaner. Let the cleaner sit and foam until both the foam and debris drain away. Reapply as necessary (or per the instructions) until the coils are free of buildup and are clean.

4. Using mild detergents and water. If you prefer not to use a commercial cleaner, a mild detergent and water works just as well sometimes to clean the coils. Mix a simple detergent and warm water in a spray bottle or garden sprayer. Spray the solution onto the evaporator coils and give it a few minutes to soak in and loosen the dirt and debris. Wipe away any loosened material with a soft brush or cloth and reapply as needed.

5. Heavy-duty cleaning. If your evaporator coils are heavily soiled, you may need to use heavy duty cleaning chemicals and equipment like a steam cleaner or pressure washer. It may also mean you need to take apart more of your AC unit than just a regular cleaning, such as the removal of the coil, cutting of the refrigerant lines, and then reassembly afterwards. If this is the case for you, you’ll want to consult with a professional HVAC contractor who can assess the job and will have the correct equipment, training and supplies to clean the coils and restore your AC system back to normal without incurring the risks of damage.

US Home Filter Carries AC Filters to Fit All HVAC Units

No matter which HVAC system you have, every unit needs a quality filter that fits properly in order to keep your indoor air quality clean and your unit running at its maximum efficiency. US Home Filter can supply you with the best and most efficient HVAC filter available! Changing the filter in your furnace is as important as changing the oil in your car and US Home Filter makes filters that fit all AC/HVAC units. From standard to custom air filters, to whole-house filters, grille filters and humidifier filters, we have all of your filter needs covered!

There is nothing nicer than coming inside on a hot, muggy summer day to feel the freshness of an air-conditioned home. Traditional air conditioners, however, are one of the most energy-intensive appliances in our homes. Only a couple feet underneath where you are standing, however, the air is always a comfortable 55 degrees Fahrenheit. If only it were possible to get that cool air from underneath your feet into your blistering hot home. Earth tubes offer a natural, ecologically sound air conditioning option to keep your home cool on even the hottest summer days.

How Much Energy Does Your Air Conditioner Consume?

As with a number of aspects of our modern-day industrial civilization, we simply don´t know or understand the ecological costs associated with the comforts we have come to depend on. In many ways, ignorance is bliss and it is comforting to naively believe that a cool home on a hot summer day is a normal part of the landscape.

The distance between consumer, the origins of his or her consumption and the end place of his or her wastes facilitates this obliviousness to the true effects that our industrial lifestyles perpetuate. Unless you live near a coal burning plant in Kentucky or have nuclear waste buried beside the gravesites of your ancestors in Arizona, you probably have little actual connection to how the electricity your home uses is supplied or the end product of that energy.

The cool air that dries the sweat from our foreheads, however, is far from inoffensive. While some small, window-based air conditioners consume up to 500 watts, a large central air conditioning unit that many large homes and almost all businesses have is easily a 3500-watt appliance.

While you can cut back on your ecological footprint by trying to occasionally open windows or turn the thermostat a bit higher, the fact of the matter is that because most modern-day homes are so poorly designed, chances are that your home could resemble a small oven if you try to turn the air conditioner off. In recent years, heat waves have swept across different parts of the world. The summer of 2003 in Europe was one of the hottest summers on record. In Spain alone, over 140 people died as a result of the heat, mostly elderly people who were stuck in homes that heated up like ovens.

If the modern-day housing and construction industries embraced ecological design principles, much of the potentially dangerous heat from the summer sun could be avoided. Passive solar design makes it possible to block the hot sun from the summer months while allowing the winter sun to enter the home and add needed warmth. Unfortunately, the first step of most home construction is to level the site and clear any trees or vegetation that are “in the way.”

The Coolness of Caves

If you have ever spent time exploring a cave, you might have noticed that caves always seem warmer than the outside temperature during the winter and cooler during the summer. The actual temperature of caves depends on the average annual surface temperature of the place where they´re located. Carlsbad Caverns in Texas has an average temperature of 70 degrees while Crystal Cave in Wisconsin averages a much cooler 49-50 degrees. Might it be possible to move that cool air from underneath the soil into your homes to provide an alternative source of cooling air?

What Are Earth Tubes?

How to make an easy homemade air conditioner from a fan and water bottles

Earth tubes, also known as ground coupled heat exchanger systems, aim to take advantage of the cool air beneath your home to keep your house comfortable during even the worst heat waves.

As we mentioned above, the temperature of the ground just a couple of feet beneath our feet is a usually a comfortable temperature anywhere between 50 and 70 degrees Fahrenheit. While some ground coupled heat exchanger systems involve complicated pumping of water throughout the system of tubes, a simple earth tube system simply requires plastic PVC plumbing pipe, and a small fan.

The entrance for the earth tube system is a piece of pipe that sticks up out of the ground somewhere outside your home. A minimum of 100 feet of pipe is buried several feet underground until eventually passing underneath your home foundation and into your home. You can then branch these tubes in several directions so that the tube system exits into different rooms that you want to cool during the summer months.

A blower is situated at the entrance of the earth tube system to move the air through the piped system and into the home. By burying a long portion of plastic tube underneath the ground, the cool temperature of the soil is exchanged with the warmer air that is entering the tube. Over the course of the 100 feet of pipe (or more) the air, through the physics of heat exchange, becomes cooler as the surrounding soil gets minimally cooler. The result is a comfortable flow of cooler air that enters your home without the aid of any sort of chemicals, compressors or fossil fuel dependent central cooling systems.

How to Install a Natural Air Conditioning System in Your Home

The exact specifications for your earth tube air conditioning system will depend on the specific climatic context where you live. If you live in Maine, for example, the average temperature underneath your soil will be much more pleasant than if you live in southern Florida.

As a general rule, the cooler your average annual surface temperature, the less amount of piping you will need. Since the temperatures of the subsoil will be cooler, you will also be able to get away with not burying your piping too deep. In the case of most cool weather climates, a two-foot depth should be more than enough to reach an optimal soil temperature to cool your home.

If you live in warmer climates, it is advisable to bury more pipe (between 150 and 200 feet) and bury it deeper. You may need to invest in a more powerful blower for the longer your piping.

Once you have your pipes buried, it is important to consider exactly where you want the cooler air to enter your home. The south-facing side of your home is where you will receive the most heat from the sunlight, and is a good candidate for at least one exit for your earth tube system.

Using the Earth to Cool Your Home

Why would anyone choose to cool their home with fossil fueled powered air conditioners when an infinite source of cool air is just below their feet? While remodeling an existing home for an earth tube cooling system could be expensive due to the digging and opening holes in your floor and foundation, the savings (both economic and ecological) will last a lifetime.