Trane air handler rumbling noise

My new Trane inside air handler makes a rumbling noise that is driving me insane.
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On 9/1/2013 10:44 PM, Beaglemom wrote:

Maybe you should ask the installer about it.
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On Mon, 02 Sep 2013 02:44:01 +0000, Beaglemom

Is it resonance in the duct work (metal)? They may not have put the vibration isolator in.
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