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help with ducting

  1. HVAC
    I am trying to install a furnace in my home, The furnace is a gibson 95% 70,000 btu. I live in Tenn near the MS state line so winter is not bad coldest it gets in the dead of winter is about 20 degrees and warms above freezing durning day. My home is small 24ft wide by 58 ft long. The blower...