When the fan goes on the pressure in the ducts change and some of them
may flex in or out. You may notice that larger panels are often creased to
provide a little more strength to prevent this problem. If you hunt down
the specific part that is flexing you may be able to shim or stiffen it to
eliminate the sound.
On 30 Dec 2004 04:33:18 GMT, email@example.com (AUSTIN1880) wrote:
Actually, its called, "The ductwork probably isnt sized properly".
Most likely, the furnace is too big or the ductwork is too small.
Either way, it means a shorter life span for your heat exchanger and
associated temperature controls in your furnace like the high limit.
Then of course we can get into the air conditioning but thats a whole
I watched that show last night.... finally was forced to turn the
channel when I saw em flashing that $10 temp probe around and being
astounded when it went from 60 to 50 to 45 to 60..... Well, um.... DUH.
The every 15 minute adverts for roto rooter don't do much for me either.
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