Talk of The Villages Florida - View Single Post - Additional Insulation in Attic
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Old 06-10-2022, 10:19 AM
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Quote:
Originally Posted by Michael G. View Post
Is there anything that can stop the 3 second warm air infiltration coming through the ducts when my AC comes on?

Would more insulation wrapped around the ducts be the answer?
No.

It is not infiltration of air into the system, it is air that is already in the ducts. Short of placing a vacuum on your ducts you will always have air that heats to the ambient attic temp when the system is off.