Quote:
Originally Posted by toeser
I put a solar powered roof vent fan in my garage and it lowered my average temp by probably 10 degrees.
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I really doubt you got a 10 drop. Ask anybody but a vent salesman and they will tell you. The vents are too small CFM wise to provide any real help. A gable fan is the only real option if your roof has gables. The rest of that vent stuff is just fluff and a waste of money.