Quote:
Originally Posted by retiredguy123
That would work only if the temperature in the garage is higher than the outside air temperature. But, the temperature in my garage is usually about the same as the outside air temperature, so a fan wouldn't do anything. Currently, the outside air temperature is 82 degrees, and the temperature in my garage is 82 degrees. I would suggest that you place a thermometer in your garage and monitor the garage and the outside temperatures. Also, if you do install a fan in the ceiling, it will need to have a fire damper to maintain a fire and smoke separation between the garage and the attic to comply with the building code and prevent a fire from spreading.
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The temperature in the attic can reach 140F doubt your garage ever gets that hot.