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#hepa — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #hepa, aggregated by home.social.

  1. I keep reading about Corsi–Rosenthal boxes as DIY air purifiers that outperform all commercially available air purifiers.

    You literally only duct-tape four HVAC filters together and slap any regular PC fan onto them.

    US-Americans recommend the brand #Filtrete for MERV-rated HVAC filters, but in Europe that brand costs at least twice or thrice as much as in the USA.

    Are there any equivalent affordable HVAC filters in Europe with a MERV rating of 8 or 13? Or do I simply have to swallow the additional cost because HVAC filters aren't as ubiquitous in Europe as they are in North America?

    #DIY #CorsiRosenthalBox #CorsiRosenthal #HVAC #HEPA #MERV #AirQuality #AirPurifier #AirFilter

  2. Why isn't our government mandating (& providing funding for) improved ventilation in public buildings? Study showed with 2.4 changes of the air per hour, cases dropped by 40%. With 4 changes of air every hour, infections dropped by 66.7%; when replacing the air 6 times each hour, infections go down by 82.5%! We need this in theatres, restaurants, schools...
    #air #filtration #saves #lives #infections #reduced #replace #clean #filter #protect #students #COVID #HEPA #USA reuters.com/world/europe/itali