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  1. HVAC
    Our boiler room in our house is in our half above/half below ground basement. We have a new 100,000 BTU boiler that was installed last year. We also have a gas hot water heater next to it. In the boiler room on an adjacent wall is a 6 inch duct that hangs close to the ground (but not touching...
  2. HVAC
    Hi guys, I'm noticing that my house may be at a negative pressure. I've noticed backdraft from the fireplace, and seemingly colder than normal drafts from doors, etc. I'm wondering if this can be alleviated by increasing the air-intake from outside to the furnace. I have Lennox G51MP series...
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