Best air purifier protection COVID virus

Best Air Purifier for COVID-19 | Best Purifier Guide 2021

Air purifiers have become an obvious for those looking to protect themselves from the COVID-19 coronavirus. That’s not surprising. Data shows that air purifiers can filter COVID-19. In fact, the EPA now suggests portable air purifiers be used to improve ventilation to protect against COVID-19: However, when looking to buy … Read more

What is a HEPA filter and how does a HEPA filter work?

What Are HEPA Filters and How Do They Work?

The term “HEPA filter” can be confusing. What does HEPA stand for? What is a HEPA filter made from, and what actually makes it a HEPA filter? What is a HEPA Filter? “HEPA” stands for “high-efficiency particulate air” (filter). It sounds complicated, but HEPA air filters are nothing fancy. They … Read more

Size of coronavirus particle pm2.5 and bacteria

Can HEPA Filters and Air Purifiers Remove COVID-19?

Data shows face masks can protect you from COVID-19, but how about air purifiers? Can an air purifier with HEPA filters remove COVID-19 and other viruses? Can HEPA Filters Remove Viruses Such as COVID-19? To answer this question, we need to first answer if HEPA filters can capture particles as … Read more

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

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

Why are air purifiers so expensive

Why are Air Purifiers so Expensive?

I thought about why air purifiers cost a lot because I was living in Beijing when the (first) “airpocalypse” struck. Here’s what it looked like: The High Price of Air Purifiers I went out to buy an air purifier, and found that the one I wanted cost $2,000! I worked … Read more

HEPA Lifespan Test Filter Air Purifier

HEPA Longevity Test: Day 200

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

how to choose best air filter air purifier guide

Four Steps To Choosing The Best Air Purifier

“What’s the best air purifier on the market?” It’s a question that many of us might ask. There are thousands of air purifier models to choose from, so how can you find the best air purifier that’s right for you? This article covers those steps in a slightly unorthodox way. What’s … Read more

Do Air Purifiers Dry Out the Air?

Empirical data shows that air purifiers are great at cleaning air, but do they dry out the air and lead to other health problems? For me, dry air is mostly just a comfort issue. But for some people, dry air can exacerbate health problems like allergies and bronchitis. Do HEPA … Read more

improve indoor ventilation air purifier combat covid 19 coronavirus

Three Ways to Improve Indoor Ventilation to Combat COVID-19

Data compiled by the world health organization (WHO) shows that poor ventilation can lead to an increase in virus transmission. As such, improving ventilation indoors should be considered an important step in reducing the spread of viruses such as COVID-19. This article covers three simple steps to improve indoor ventilation … Read more

How long does COVID-19 coronavirus survive on air purifier HEPA filters

How Long can the Coronavirus Survive on HEPA Filters?

Air purifiers with HEPA filters are highly effective at filtering out  COVID-19 coronavirus and other viruses. But viruses can remain on surfaces for scarily long periods of time. When thinking about viruses stuck in an air purifier’s HEPA filters, that sounds scary. It’s also led to incredible-sounding headlines about how … Read more

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