How To Make A Hepa Air Filter

How tin we make a homemade DIY air purifier? Air purifiers can be extremely expensive. But they don't need to be. After researching how different air filters piece of work, I concluded that a HEPA filter is all that'due south needed to make an effective air purifier.

Given that most air purifiers sell for thousands of dollars, I idea I'd endeavor making my own homemade DIY air purifier.

Sentry: How to Make Your Own Homemade Air Purifier

Hold Up: Do DIY Air Purifiers Actually Work?

I've tested this DIY air purifier for over yard hours! The data shows they work! They are effective for the dangerous tiny PM2.5 particles and fifty-fifty outperform many of the large brands. With that out of the way, in this postal service, I'll explain exactly how to make your own homemade DIY air purifier.

How to Make a DIY Purifier

#1 Purchase a fan

It's of import that it has a flat forepart or back and then that you can strap the HEPA filter to information technology.

Fans with flat fronts usually have a recessed motor unit of measurement, so look for that. Here's the one I bought:

#2 Buy a HEPA filter

For my very starting time homemade air filter, I first bought this one for ~U.s.a.$16:

Since then, I tested HEPAs from all the manufacturers I could detect to see if I could make an even more effective DIY air filter, and institute one that captures more particles and has improve airflow. Considering I purchase it in majority and transport information technology through the shop for my social enterprise, it costs less than the offset HEPA I bought. I've tested this HEPA filter with my particle counter, so I know information technology works (lookout the live DIY filter test hither).

#3 Pull the grating off the front of the fan

This is where the DIY filter fun starts! Information technology helps if you have pliers for this. So turn the power setting to 3 and pull the knob off – nosotros'll be using this DIY air purifier on the highest setting.

The knob gets in the fashion of the HEPA. Without the knob, I turn my DIY air purifier on and off by plugging and unplugging it.

#4 Strap on the HEPA filter

Use string to strap the HEPA filter onto the front of the fan, and you're washed! Your very own DIY homemade air purifier.

The metallic bar in the middle will stick through the filter a little bit. You could saw the metallic bar off, but my tests prove information technology doesn't seem to make a difference. Or better nonetheless, make yourself a fancier DIY air purifier past finding a fan without a metal bar in the front.

#five Admire your new DIY air purifier

Total cost for this DIY air filter: 166 RMB (U.s.a.$27). Compare that to 8,000 RMB ($1,300) for the fancy purifiers here in Beijing.

Desire to Brand a Strong DIY Air Purifier?

Since we shared this toll-effective DIY air purifier with the world, the Coris-Rosenthal DIY air purifier has also appeared. This DIY air purifier uses multiple furnace filters (MERV xiii and to a higher place) with a large box fan. This type of blueprint has a more powerful CADR, can exist assembled in but fifteen minutes, and costs around 100 USD.

Lesser Line: How to Brand a DIY Air Purifier

#1 Buy a fan

#two Buy a HEPA filter

#3 Pull the grating off the front of the fan

#four Strap on the HEPA

#5 Admire your new DIY air purifier

Smart Air

Your adjacent question is probably, does this DIY air filter work? Encounter a live test here. Here are a few other of import questions:

Filters: What combination of filters practice I demand to protect against everything?
Stronger fan: Tests with the DIY Cannon
How tin can I test it: Comparison tests of mutual air quality monitors

P.S. Should the filter go on the back??

You might exist wondering, "shouldn't the HEPA get on the dorsum of the fan?" I e'er idea the answer would be "it works just besides both ways." Merely I put information technology to the exam, and the results surprised me.

A Simpler Manner to Breathe Clean Air

Smart Air'due south founder and University of Chicago professor, Thomas Talhelm, created the first DIY air purifier 10 years ago that shook up the air purifier industry. Thomas so created Smart Air, a certified B Corp committed to combating the myths big companies use to artificially inflate the price of make clean air.

Nosotros at Smart Air non just educate but also design and manufacture empirically backed, no-nonsense purifiers for homes and businesses, that utilise the same HEPA filters for a fraction of the cost of big companies.

Shop Smart Air's Lineup of Cost-constructive, Data-backed Air Purifiers

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