Cold air return


Old 12-16-02, 10:15 AM
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Cold air return

I've heard from a couple people that if I create a return at the furnace in the basement it will take air down the basement stairs and create more overall circulation in the house. Is this the case? If so, can I just cut a hole in the furnace duct and mount a louver in it?
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Old 12-16-02, 10:52 AM
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Likely not a good idea.

If you do this, you could disrupt air flow to some rooms that are at the end of the air supply.

Unless you have a specific problem to overcome, don't do it.
Old 12-16-02, 06:51 PM
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return at furnace

this could also rob the furnace of needed combustion air and cause a negative draft on the flue.
Old 12-16-02, 08:32 PM
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if you are having ductwork problems like the duct popping when the system starts up, and have a sealed burners, then use the return at the return drop...

If you have basement family room, and need to pull the cold air off the floor, then run a pipe to the wall cacity, and put a return vent in the wall in the family room...

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