Furnace dampers

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minnie1967
Posts: 22
Joined: Sun Sep 14, 2014 8:05 pm

Fri May 29, 2015 2:47 pm

I know the damper needs to be open in the winter to the windows don't freeze up, but should it be open in the summer when the air is on? Any benefits of leaving it open or turning it off to keep it closed.


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