How to Make an Air Purifier at Home for Less than

by Sep 15, 2021Safety


How To Make An Air Purifier At Home For Less Than $ 40

If you need to clean your home air in a pinch, you can learn how to make your own budget DIY air purifier. We’ll show you how.

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Katie McEntire

By

Katie McEntire

Staff Writer, Security and Safety

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Published September 15, 2021

Cleaning the air inside your home can make the great interior feel much more inviting, but the best air purifiers can cost anywhere from $ 80 to over $ 400 dollars.

The good news is that you do not have to be an engineer to make an air purifier or drop a ton of cash on one that is already assembled. You can make one of the household items you probably already have lying around.

So what do a box fan, an oven filter and a training band have in common? They are all the ingredients you need to make your own DIY air purifier.

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1. The box is blowing

Checkout fan

Black box fan image

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First collect your items:

  • 20 inch x 20 inch box fan (flat back is best)
  • 20 in. X 20 in. Oven filter
  • Two training bands

You can use a box fan of any size as long as it matches the oven filter and has a flat back.

Notepad
Test the air

With the right tools, you can test the air quality in your home. We recommend trying a test before and after setting up your new air purifier.

2. The oven filter

Oven or air filter

DIY Air Purifier Video Page Furnace Filter Image 1

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Next is the oven filter. Also called an HVAC filter, they are the large plates you stick in the vents to catch all the little icky things like dust mites and pollen in your home.

They come in different shapes, sizes and filtration types. Look for reviews like MERV, FPR and MPR. These refer to the size of the microns that can pass through the filter. The higher the number, the smaller particles they can capture.

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Thumbs up
Our recommendation

For the heavy stuff, look for MERV ratings between 7 and 11. It will catch smoke, pet dander and other allergens.

3. The training bands

Cheap training bands

DIY Air Purifier Video Page Exercise Bands Image 1

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And finally, there are the training bands.

They are basically giant rubber bands with different levels of resistance, and you can get a pack of five or more for around $ 10.

Light bulb
No training tape? Try tape
But if you do not have any lying in the house, tape or clear packing tape works just as well. The important part is to create a seal around the fan and the oven filter.

4. Put it together

Now that you have it all, it’s time to get started.

Place the oven filter on the back of the fan and secure it with the training strap so that it fits snugly.

And that’s it! You are done! You are ready to go!

The fan draws in all contaminants while the oven filter catches it. As long as there is a seal, you are ready to go.

Again, if you do not have a training band, do not worry. Packing tape or duct tape works just as well.

orange cat on a table next to homemade air purifier

Photo: Katie McEntire, SafeWise

Related articles about SafeWise

  • Best air purifiers
  • How to test the air quality in the home
  • How to improve the air quality in your home

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The post How to make an air purifier at home for less than $ 40 first appeared on SafeWise.

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