How does drawing hot air from the outside to the inside cool the garage? Since hit air rises, how does a vent on the bottom panel help? I decided a screen could not be of much use and would not leave the door open at the bottom either, too many crawlers for my taste. I did insulate my panels and that lowered the temp significantly but if you really want to cool the garage, you need a split. Most of these ideas like fans, screens and such simply do not work effectively enough.
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