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  1. #1

    Outside forced air exhaust

    I have a homeowner who has his forced air heater vent running up through the center of his house. He wants me to refirect the exhaust vent outside the house, up the side wall, through the eaves to the proper vent height. Heater is a draft vent type. I have been told I can do this if I enclose and insulate all exterior venting and I have been told I can't. Anybody have a clue

  2. #2
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,060
    A little more information is needed. What type equipment Catagory 1 or 4.

  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,043
    Sounds like an old 60%. By the time you run a double wall flue and box it in, you're about the price of a 95% furnace install.

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