Smart Air

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Smart Air China is a small social enterprise that promotes DIY air purifiers as a low-cost solution to indoor particulate air pollution in China.In January 2013, PhD student Thomas Talhelm wondered why air purifiers cost so much. He bought a HEPA filter on Taobao, strapped it to a simple fan, bought a particle counter, ran some tests, and published the results on a blog he called Particle Counting.

Website: smartairfilters.com

Location: Beijing, China

Type: Green Tech  

News: Where clean air is a commodity, Smart Air wants to make it affordable for everyone