How Long Do Smart Air HEPAs Last? At Least 90 Days

The most frequent question people ask me these days is: how long does the HEPA last? This question is important because replacement HEPAs are the biggest long-term cost of clean air. IQ Air charges $370 for its filters. So if you have to replace the HEPA every two weeks, the DIY might … Read more

How long does a Smart Air Filter Last?

This article covers the testing for the Smart Air DIY purifier. For our other purifiers, check out the following links to the HEPA lifespans of our Sqair, Blast Mini and Blast. For the DIY purifier, I recommend replacing your HEPA filter after 140 days of use at 8 hours a … Read more

Air Pollution and Air Purifier Data

Is the air coming out of the air purifier clean? Yes. This is the easiest question to answer, and we can do it by holding the particle counter in front of the unit and watching the numbers drop. Here’s a video of me doing just that: (Can’t see the video? … Read more

Q&A: How Long Can HEPA Filters Last?

passport4adragon 提问: Hi, I’m in Shanghai and recently put together your DIY purifier and bought the same fan and filter you suggested – I think it’s working! A couple of questions – I bought the exact same filter you did on Taobao – how often should it be replaced if … 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.