Vent fans and a/c at the same time
At home we find it unnecessary in summer to run the het pumps on the own stairs level usually. We have a huge vaulted ceilign on one side and the cold a/c air sinks down, and sometimes makes it really...
Forum Discussion
larry cad wrote:
Suck a bit of that hot air out the roof and the cool air below will rise a bit, making it easier to cool down to an even lower temperature. As was stated earlier, similar to a recirc system in a car.
You are missing a critical point here.
You accomplish "recirc" when all windows and doors and vents are CLOSED.
IF....you are sucking hot air out, the air that seeps in to replace it likely is even HOTTER.
Summary: It is NOT a good idea....unless the interior is hotter than it is outside.
