One vent blows cold
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  1. #1

    Hmm

    I have a TRANE heat pump that is about 3 years old, the ductwork was all replaced/installed at the same time as the heat pump. Recently, I noticed that one of the vents is blowing cold air. The vent in the next room, less than 2 feet away, blows nice and hot. Why would this be?

    The air handler is underneath the house along with all the ducts and the returns in both rooms are below insulated windows.

  2. #2
    Join Date
    Mar 2002
    Location
    Richmond, Virginia
    Posts
    4,264
    Could be disconnected, or uninsulated.
    There is nothing more frightful than ignorance in action....Mark Twain

  3. #3
    Join Date
    Jul 2004
    Location
    midwest
    Posts
    2,868
    There is a good chance that duct has come apart under the house and your getting crawl space air forced out of the register. Have someone check under the house to make sure everything is connected and sealed.

  4. #4
    Thanks, I'll do that.

  5. #5
    Join Date
    Apr 2004
    Posts
    158
    Are you sure it's not sucking cold air. It sounds like a return keep it clear. I find too many customers covering returns because they think they are blowing cold air.

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