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exhaust

  1. Residential HVAC Forum
    Have a hip roofed duplex with shared attic. There are no gable end walls to mount louvres. I would like to mount a ceiling whole house exhaust fan and duct directly to roof. Problem is finding a roof louvre large enough to exhaust 4000 cfm to 6000 cfm. Graingers on-line seems to want to...
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