Power Vent Installation

Old 04-17-09, 06:05 PM
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Join Date: Apr 2009
Location: Cincinnati, Oh
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Question Power Vent Installation


A contractor installed a power vent in my attic last fall. I have 5 box gravity vents on the roof as well. He covered those up from the inside saying that the power vent will draw better from the soffits this way so that it doesn't just draw hot air in from the top. Am I getting adequate ventilation or over using my power vent? It seems to run a lot set at 90 degrees.

Old 04-17-09, 10:58 PM
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Location: Warburg, Alberta
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Yes the top vents should be closed. The air from the sofits will be cooler - which is what you want. I installed my own and had to create the sofit inputs (this house was totally sealed). By default the temp sensor is usually 105F, I set mine at 95 and installed a manual switch. So if it is hot in the house I can open the attic access and flip the wall switch, cools of real good with some lower cool air coming in.

If you think its running to much , set the temp up 5 - 10 degrees.

hope this helps,


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