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    rlbjbaker's Avatar
    rlbjbaker Posts: 3, Reputation: 1
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    #1

    Jun 30, 2012, 09:46 AM
    How do you stop air returns causing nose
    We have just moved into a new home that has metal air returns. Apparently the metal air returns create harmonics. How can this be stopped.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jul 1, 2012, 05:02 AM
    Is this a new home or new to you? If a new home have installer rework. If new to you, find out where area is that is vibrating and start applying pressure to the ductwork. You can use a rubber mallet to slightly reshape. If it is in the return grills you can usually bend the vanes slightly. If in the walls, your task is bigger and more difficult.
    .
    rlbjbaker's Avatar
    rlbjbaker Posts: 3, Reputation: 1
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    #3

    Jul 1, 2012, 11:58 AM
    It is a new home. What do you mean by the installer reworking?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Jul 1, 2012, 01:58 PM
    Since this is a new home, you can call back the builder and tell him the issue. Have him get the AC ductwork installer fix the issue, it is under warranty.
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