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  1. HVAC
    I have puchased a Lifebreath 155 MAX HRV system, without installation kit. Wondering about the best option for an airtight intake and exhaust with dampers either a hood type or grille type and are theer opposing hoods ie one intake, one exhaust? Lifebreath does have an online kit, but the hoods...
  2. HVAC
    I am approaching need for an HRV as I begin insulating the basement. It will become fairly airtight as I am using rigid foam against the concrete. Prior to starting ACH has dropped to approx 3.5 with the basement uninsulated but rim joist sealed and air sealing retrofits upstairs. I need some...
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