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Originally Posted by stylin  DO NOT close vents in rooms that you are not using if you have forced air or heat. It makes everything work harder. Think of a balloon and you pull back on the opening and it makes that squeeking sound...thats what you are doing to it....making it work harder to get the air out. At least that is what I was told.  |
It's not a problem if the RETURN vents are not in the areas you've closed off.