Can Air Purifiers Remove Asbestos From the Air?

Asbestos are extremely dangerous and cause cancer. Can air purifiers remove asbestos from the air and make your home safer?

To know how effective air purifiers are at removing asbestos from the air, we first need to know whether asbestos is solid or gas. HEPA purifiers capture particles, not gases. It turns out asbestos is solid, so we’re off to a good start!

Can air purifiers remove asbestos from air?

How Big Are Asbestos Particles?

Asbestos particles range from 0.7 to 90 microns. Luckily HEPA filters capture over 99% of all particle sizes (even the smallest particles) 0.3 microns, so they should capture plenty of asbestos.

The graph below shows the hardest sized particle for a HEPA air purifier to filter is around .3 microns. Even though these sized particles are the hardest to filter out, HEPA filters still capture ~99.7% of them!

Can air purifiers remove asbestos from air?

Can a HEPA Filter Remove Asbestos From the Air?

The hardest size of particle for HEPA filters to capture is right around 0.3 microns. Above and below that, it’s actually easier to capture particles. For example, researchers shot virus particles down to .05 microns at HEPA filters. The HEPA captured over 99.9%. Therefore a HEPA filter is extremely good at removing asbestos particles from the air.

Can air purifiers remove asbestos from air?

Watch: Air Purifier vs. Tiny Particles

In the video below, the team at Smart Air set up a Sqair HEPA air purifier in a box with smoke particles. Smoke particles are typically in the range of 0.1 to 1.5 microns, even smaller than the average asbestos particle. Within minutes, the Sqair HEPA filter trapped all of the smoke particles with ease. Considering particle size, the Sqair would do an even better job at removing asbestos from the air.

SMOKE VS SQAIR AIR PURIFIER

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The Sqair HEPA Air Purifier

How to Choose the Best Air Purifier for Asbestos Removal?

By far the most effective air purifier for asbestos removal is a HEPA air purifier (as shown above). But unfortunately, it can be difficult to know what air purifier is the best. At Smart Air, we created a guide to help you choose the most effective air purifier at the best price.

Read More: 4 Steps to Choosing the Best Air Purifier

Bottom Line

HEPA filters capture over 99% of asbestos pieces

Smart Air


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Smart Air is a social enterprise that creates simple, no-nonsense air purifiers and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

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