Air Duct Popping Noise

Old 08-19-04, 09:33 AM
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Air Duct Popping Noise

Every time my central heat or air conditioning system comes on or goes off the duct pops several times like the metal if expanding or constricting. Is there a do it your self solution for this?
Old 08-19-04, 01:29 PM
Ed Imeduc's Avatar
Join Date: Aug 2002
Location: Mountain Williams Missouri
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Have some one turn the fan on run it for a bit then turn it off. Find where the duct is poping. Take a pliers and like pinch along the bottom corner edge and the top of the duct this will do it some times. Then there is the ????? is the filter clean???? is the duct the right size for the blower.


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