Quote:
Originally Posted by tuccillo
If you are referring to a powered attic ventilator (fan in the roof of your house), probably not. This has been researched and is generally shown to either do no harm or result in an increase in energy use. If you google it you should find many objective references.
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You beat me to it.
Click on search above, sesack, and type in attic fans. The summary of information seems to indicate them to be close to useless. The folks who disagree are the ones installing them.