We also have garage exhaust fans put in by Solar Guys. It obviously won't get the garage below ambient outdoor temps, but it helps and helps the attic.
One thing I have found is that the fan they put in creates a serious pressure drop in the garage (the vents are not large enough) and so, when we open the door from the house to the garage the door is sucked closed. If you stand there with the door open, the cool air in the house is sucked out. So, at the moment I open the garage doors about 3 inches which mostly moves that problem. I am considering putting more vents into the garage doors to reduce the pressure drop in the garage.
|