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bigbuddy123 01-29-2013 10:43 AM

cooling a room
We have no crawl space in our living room in sw fl. No place for insulation. Ceiling beams are attached to plywood attached to shingles. Ac runs constantly but doesnt cool the room. The rest of the house stays cool. Two ac units. Will an attic fan work to pull the hot air out of throom, very high ceilings(20 ft approx), without pulling the cool air out.

joecaption 01-29-2013 10:47 AM

Got a picture?
Trying to figure out what that ceiling looks like.

techpappy 01-29-2013 03:46 PM

Consider installing a drop ceiling and adding insulation on top of it.

NOTE: Cold air is heavier than warm air and should stay at lower level of room, however an exhaust fan could drag it out. If you were going to try it.. In this case ...SIZE definitely matters!:laughing: However, I will defer to the pros out there. especially those with Southern experience.

beenthere 01-29-2013 04:31 PM

In order to exhaust air. more air has to come inside. Which you would have to pay to cool.

As above, might want to consider installing a drop ceiling and insulating it.

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