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air ultra 5 tech 80

  1. Armstrong ULTRA 5 TECH 80, Model No. 45647-001 BTUs?

    HVAC
    Hi All! I have a 2,300 sq. ft. two story home with an Armstrong Air ULTRA 5 TECH 80, (Model No. 45647-001) furnace heating it. My wife and I think this furnace was in our house before the previous occupants added a large addition and that it under-powered to handle the size of the home. I...
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