Air purifiers have become incredibly popular for those looking to protect themselves against COVID-19 and other viruses. That’s not surprising. Data shows that air purifiers can filter out COVID-19. In fact, the EPA now suggests portable air purifiers be used to improve ventilation to protect against COVID-19: However, when looking …
It can be difficult to tell when to replace a HEPA filter. Should one go by looks? Probably not. Going by looks turns out to be a poor measure of filter efficiency. The best way to test a HEPA filter’s efficiency and determine when to replace it is to use …
When to change your HEPA filter can be a difficult question to answer. I’ve always questioned those numbers that air purifier companies give you. Where do those HEPA filter replacement numbers come from? If a company that’s based in Switzerland is telling you can use it for six months, is …
Seasonal allergy symptoms can be difficult to cope with. Symptoms include sneezing, runny nose, and red, watery, and itchy eyes. Fortunately, studies show the use of HEPA filter air purifiers in the home can significantly reduce pollen and seasonal allergy symptoms. Studies Show HEPA Air Purifiers Reduce Pollen and Seasonal …
The costs of replacement HEPA filters for air purifiers can quickly add up. A quick search on Amazon reveals some HEPA filters that cost hundreds of dollars. Should HEPA filters cost this much? Put simply: No! Read on to learn why HEPA filters shouldn’t be expensive, but why some companies …
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 …
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 …
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 …
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 …
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 …
