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  1. grass22

    Recovery room

    I guess i am little confused when you say 1200 cfm exhaust does it mean to outdoor. Or i will take 1200 cfm as return and exhaust 640 cfm. Then add 640cfm as fresh air to my 560cfm left over. Will this 560cfm considered as recirculation which as i understand is not allowed by code.
  2. grass22

    Recovery room

    i need help on air change requirement in a recovery room. I have a room of 40x20x8 code says 6 ACH and no recirculation allowed. CFM = 40x20x8 x(6ACH)/60 = 640 CFM By my load calculation i need about 1200 cfm for this space. And i will have dedicated unit for this space. My question is what...

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