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  1. #1

    HVAC units in attic

    Are there any issues with mold growth because of condensate sitting in a pan due to installing gas furnaces within an attic space?

  2. #2
    Join Date
    May 2004
    Location
    Los Angeles, CA
    Posts
    1,560
    Dear Buckeye2867,

    Question : Are there any issues with mold growth because of condensate sitting in a pan due to installing gas furnaces within an attic space?

    Answer: Unless it’s a condensing furnace (90% + efficient)…….NO.

    Reworded question: Are there any issues with mold growth because of condensate sitting in a condensate pan below a cooling coil within an attic space?

    Answer: Plenty.

    Ultimate answer: Anytime you have standing water almost anywhere, you take the chance of mold growth unless you take precautions….period.

    Hope this helps…..

    Respectfully Submitted,
    John J. Dalton

  3. #3
    Join Date
    Sep 2006
    Location
    Ohio
    Posts
    456
    Quote Originally Posted by buckeye2867 View Post
    Are there any issues with mold growth because of condensate sitting in a pan due to installing gas furnaces within an attic space?
    There should be no condensate sitting in a pan, it should drain to the outside. But there is always a chance of mold growing on the evaporator coil or in the pan on any unit whether it's in a attic or anywhere else.

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