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Originally Posted by NECHFalcon68
Can you post that information?
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Environment and Energy News » Best Available Research on Attic Fans and Power Ventilators
Here is a link to one of many articles available on attic fans. Basically there may be more disadvantages than advantages.
Regarding temperature readings I have taken since insulating the door, the inside temperature is now only a couple of degrees warmer than the outside temperature and that is after opening and closing the door several times during the day. I never expected the inside temperature to be lower than outside but before insulation it was much hotter.
My immediate neighbors (uninsulated doors) and I will compare temperatures when it gets really hot - that's the only way we will really know - as the readings will be taken on the same day under the identical conditions.