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Old 01-24-2011, 12:15 PM   #1
l22
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Partially finished Basement HVAC


I have a partially finished basement (400 sf Finished/300 sf unfinished). Currently there is just one vent off of the plenum in the unfinished side. I was thinking of extending and splitting that single vent between both sides and adding a cold air return to the finished side. The basement is entirely below grade, always cool in summer, but a little too cool in the winter. Is just one return and vent enough?

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Old 01-24-2011, 12:22 PM   #2
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Partially finished Basement HVAC


I would add a vent for each side, from the ducting, not from the plenum and add a return air for the finished side. Make sure you have dampers in the runs so you can isolate in the summer.

Add return air to keep things balanced.

Good Luck

Mark

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