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 …
Is KN95 same as N95? With such similar-sounding names, it can be confusing to understand the difference between N95 and KN95 masks. This handy chart explains the similarities and differences between N95 and KN95 masks. N95 vs. KN95 Comparison Chart Source: 3M – Comparison of FFP2, KN95, and N95 and …
Why does Smart Air’s latest air purifier, The Sqair, use a weaker filter–an H12 HEPA compared to the H13 HEPA filters out there? Tests of different filter grades revealed that weaker filters sometimes make stronger purifiers. Of course, purifier companies like to market their filters as top grade. Lots of …
Dear Smart Air breathers, Ten years. Wow! Who would have thought a DIY project would become a global social enterprise? I sure didn’t. And it wasn’t my intention either. I just wanted to solve my own health problems. But when those first 60 air breathers signed up to my DIY …
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 …
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 …
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, …
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 …
What combination of air filters do I need to protect myself against all kinds of air pollution – absolutely everything? This will sound like a grand claim, but you only need two filters. This post explains why and shows the data. What the Big Purifier Companies Say about Filters Big …
