Why ar
- Paddy Robertson
- Paddy Robertson
Who we are
Clean Air Social Enterprise
Smart Air is a certified B Corp on a global mission to make clean air accessible through science, education, and affordable air purification
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Remove PM2.5, PM10, dust, pollen, allergens, and viruses
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Remove VOCs, smoke, formaldehyde, and odors
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Measure CO₂, temperature, and relative humidity
Another reason is monopolistic competition. Every air purifier on the market takes a different size of refill, and refill sizes get discontinued. If sizes were standardized, there would be much more competition, because you could buy any refill from any manufacturer and it would fit any air purifier. https://en.wikipedia.org/wiki/Monopolistic_competition https://en.wikipedia.org/wiki/Vendor_lock-in You can get around this by buying HEPA filter material, not complete cardboard-framed filters. You can buy it in flat sheets or in concertina-folded sheets (I got some of both for a few dollars per square meter; I hope it isn’t counterfeit). Fastening this to a fan takes a bit… 阅读更多 »
I appreciate the info in this article, but it seems strange in light of the $114.50 cost of the Mini-Blast HEPA filter you sell. Then there’s the $30 shipping for a final cost of $144.50. Even worse is the cost of the Blast HEPA filter, at $150 + $95 shipping for a total of $245. Can you explain why these costs are so incredibly high? Your article seems to suggest their prices should be much lower. I’m a teacher and would like to buy a Blast, but the HEPA filter replacement cost is deterring me. I considered buying Sqairs, but… 阅读更多 »