What Are Ionizer Air Purifiers and Do They Work?

What are ionizer air purifiers and do they work? This is an important question because ionizer air purifiers are all over the place. For example, I was at a friend’s apartment in the US, and I saw his tower fan air purifier had an ionizer button on it: Ionizer air …

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Closing Windows Oxygen Levels

Does Closing the Windows Starve Us of Oxygen?

Air purifiers work best in a closed room environment, but this makes some people worry that closing windows starves us of oxygen. Worried how long you can survive in an airtight room? Well, recent tests in a real apartment — with as many as seven people in a small room …

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ASHRAE Recommended Air Changes Per Hour

Data shows that improving indoor ventilation can reduce the risk of virus transmission, and is recommended by the CDC. In this article, we’ll cover the ASHRAE recommended air changes per hour for offices, homes, schools, residential and hospitals, using the ASHRAE 62.1 and 62.2 guidelines. ASHRAE Recommended Air Changes Per …

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How Smart Air Disrupted the Air Purifier Industry [Podcast]

In this podcast, Smart Air founder University of Chicago professor Thomas Talhelm shares the story of how Smart Air sparked a revolution in the air purifier industry. The revolution started when Thomas was in China for his Ph.D. thesis and realized it cost $1000 to buy an air purifier. Instead …

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How to Choose a Commercial Air Purifier in 2022

COVID-19 and air pollution have forced businesses around the world to turn to air purifiers to make their air safe. But larger spaces need larger more powerful commercial air purifiers. Let’s take a look at the important things to know when buying a large commercial air purifier. What to Look …

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EN1822 HEPA Filter Standard: Everything You Need to Know

Wondering what the EN1822 HEPA filter standard is, and when to use it? This article covers the scope and history of the EN1822 standard, the different EN1822 filter classifications, and the test methods used. Jump to the relevant section: EN1822 Standard Overview & History Performance Classifications of the EN1822 Standard. …

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Best Place To Put Air Purifier in Room

Where is the Best Place To Put Your Air Purifier?

“Where should I place my air purifier” is a common question people have when getting an air purifier. Does an air purifier’s position affect its performance? Is it best to put an air purifier next to a wall? This post provides a data-backed answer on how to best place your …

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5 Simple Steps to Running a Formaldehyde Cookout

Newly renovated apartments and offices typically have high levels of formaldehyde. One of the most effective ways of removing formaldehyde is to run a formaldehyde cookout. But what is a formaldehyde cookout and how do you run one? In this article, we show how to run a cookout in your …

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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.