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  1. #1
    Join Date
    Sep 2008
    Location
    so so, California
    Posts
    1,769

    Default Looking for info on condensing furnace.

    Looking for some useful information when /if I inspect a condensing furnace.

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  2. #2

    Default Re: Looking for info on condensing furnace.

    About the only difference with them is that they are vented via plastic, and a drain system needs to be installed. I run the furnaces for quite some time and look for leaks-- find them quite often. Also, combustion air can be pulled from the exterior or interior/ garage. Just make sure the combustion air isn't contaminated.

    Other than that, I recommend reading manufacturers installation instructions for the major manufacturers of these furnaces.

    Hope that helps?


  3. #3
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Re: Looking for info on condensing furnace.


  4. #4
    Join Date
    Dec 2007
    Location
    Holladay, UT
    Posts
    565

    Default Re: Looking for info on condensing furnace.

    The biggest concern I see with these furnaces is leaks behind cover, all those places where there are pvc to rubber and clamps, traps etc.

    Tom Rees / A Closer Look Home Inspection / Salt Lake City, Utah

  5. #5
    Join Date
    Jul 2007
    Location
    Chicago
    Posts
    930

    Default Re: Looking for info on condensing furnace.

    Unfortunately they are allowed to pull makeup air from inside, which in some modern tight homes can cause an issue.


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