Longevity

Why Air Purifier Pre-Filters May Be More Harm than Good

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Most purifiers on the market come with a pre-filter. That would make one think that pre-filters must be a good thing, right?   However, most purifier companies also love to selling people 6-stage filtration, or no – 7-stage filtration! But the science behind purifiers is surprisingly simple. Two types of … Read more

HEPA Lifespan Test Filter Air Purifier

HEPA Longevity Test: Day 200

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One of the biggest questions when I started doing the DIY was HEPA lifespan–how long do the HEPAs last? Rather than just give people a nice-sounding answer, I wanted to see what the data says, so Gus has been dutifully turning on his Original DIY every day in his 12.3m2 Beijing … Read more

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.