What Are Ionizer Air Purifiers and Do They Work?

What are ionizer air purifiers and ionizer in general? 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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N95 vs KF94 Mask Ratings

What’s the Difference Between N95 and KF94 Masks?

Many people wonder about the difference between N95 and KF94 masks. But actually, for the things most people care about, the difference is not small. KF94 is the “Korean filter” standard similar to the US N95 mask rating. Let’s dive into the differences: KF95 vs N95. Note, there is no …

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How to Make a DIY Air Purifier

How can 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 work, I concluded that a HEPA filter is all that’s needed to make an effective air purifier that can capture viruses, wildfire smoke, …

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Overview: Types of Air Filters & What to Know

There are multiple types of air filters and technologies that exist to clean and filter the air we breathe. But what type of filter should you use for filtering viruses and pollen? Or how about nasty smells and other gases like NOx or SOx? This article shows you what you …

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Smart Air low cost purifiers

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

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