Dyson’s Pure Cool Air Purifier looks impressive. However a review of its clean air rating (CADR) reveals it does a poor job of providing clean air – the TP05 Air Purifier’s CADR comes in at just 164m3/hr. In that case, the Dyson Pure Cool air purifier puts out as much clean air as a $20 […]
Tag: formaldehyde
The Best Way to Remove Formaldehyde and VOC Chemicals From Your Home
There’s a lot of noise about how to remove formaldehyde and VOC chemical build up in homes. Here are three scientific, data-backed ways to reduce and filter formaldehyde in the home. Method 1: Open a window Researchers have found that even in developed urban areas, outdoor concentrations of formaldehyde are near zero. The only […]
How Long Does It Take for Formaldehyde &Amp; VOCs to Off-Gas From Your Home?
An important question about formaldehyde is how long it takes for formaldehyde to off-gas in new homes and new furniture–how long will it take for levels to get back to normal? The best data I’ve seen suggests formaldehyde takes about two years to off-gas back to normal levels. Why We Need Real-World Tests on Formaldehyde […]
Can Plants Filter Out Formaldehyde and Benzene VOCs?
There’s a popular conception that plants are effective at filtering out VOCs like benzene and formaldehyde, but can plants filter harmful chemicals at meaningful levels? Recent studies have found that that plants have no detectable on removing formaldehyde or other gas pollutants under real-world conditions. Why People Think Plants Can Filter Out Formaldehyde Belief that […]
Is Asbestos in China a Problem?
Asbestos in China is a commonly used building material, and it may be more dangerous than formaldehyde. So why do so few people talk about asbestos in China? Contrast that with other pollutants. One day a few years ago, a Chinese friend of mine asked me about jiaquan (甲醛). “Huh?” I had to look it up. […]
Can Activated Carbon Remove Formaldehyde?
Can activated carbon remove formaldehyde? In earlier tests, Smart Air found that carbon can reduce VOCs from cigarette smoke. But formaldehyde is a particular concern for many people, so we put it to the test by ordering formaldehyde straight from the factory and testing it against carbon filters. Formaldehyde is a big deal in […]
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