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    selket1's Avatar
    selket1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 2, 2011, 11:17 AM
    Furnace air flow interruption?
    New furnace airflow is loud and interrupted while furnace is on?
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Jan 2, 2011, 02:15 PM

    If this is a new furnace, I suggest having the installer come back to check any concerns you may have. Many new furnaces have much more air flow than old furnaces, therefore are louder at return and supply grills. Also, many new furnaces are two stage furnaces and the blower speed will change during operation.
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