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

What are Medical Grade Air Purifiers

Medical-Grade Air Purifiers | The Real Deal

Medical-grade air purifiers and medical-grade HEPA filters are now everywhere. A google search for medical grade air purifier returns millions of results. And here’s one company selling what it claims to be a medical-grade air purifier. But what actually is a medical grade air filter? Let’s find out. Medical Grade … Read more

How Effective Are Air Purifiers for Virus Protection?

Peer-reviewed scientific research has shown conclusively that HEPA air purifiers capture over 99% of viruses, even viruses as small as the coronavirus. However, it’s important to remember that air purifiers are not a silver bullet for virus protection. Things to Look Out For When Using a HEPA Purifier to Protect … Read more

Dyson Pure Cool air Purifier Tower CADR Review

Dyson Pure Cool Air Purifier Review: Shockingly Bad

Dyson’s Pure Cool air purifier looks impressive. However a review of its clean air rating (CADR) reveals this filter does a poor job of providing clean air – the Dyson TP05 Pure Cool’s CADR comes in at just 164m3/hr. That means the Dyson Pure Cool air purifier out as much … 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

Can open window fight protect from COVID-19 coronavirus transmission

Does Opening Windows & Doors Help With COVID-19 ?

Data shows that having good indoor ventilation can reduce the chance of virus transmission. Armed with that knowledge, can something as simple as opening a door or a window help to fight COVID-19 and reduce coronavirus transmission indoors?   Recommended Air Changes Per Hour   Before we can say how … Read more

How to increase the dose your UV light can deliver

How to Increase the Dose Your UV Light Can Deliver

In the other article‘Common UV Lights Aren’t Great at Killing COVID-19’, we explained how much doses do we need to kill coronavirus. Also, we talked about how UV-C light kills the virus. Also, the UV light we can find in the market is too weak to kill the coronavirus. So, … Read more

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