Install a radiant barrier or other type of insulating barrier on your garage door. The reason for doing this is essentially to remove the aluminum surface as an emitter of long wave radiation into the rest of the garage. This the primary mechanism of how your garage heats up; the sun shines on the outside of your garage door and heats the metal up and the hot metal radiates to everything in the garage. Conductive heat transfer from the outside to the inside of your garage through the garage door is also a mechanism at work but it is small compared to the radiative transfer. A radiant barrier or other type of insulating material on the garage door will substantially reduce the radiative transfer. The radiative transfer goes as the fourth power of the temperature so anything that reduces the temperature of the inside metal of your garage door will help. This is exactly the same primary mechanism that heats up your attic - radiative transfer from the underside of your roof sheathing. I have the white panels installed by Romac on my garage door and they are effective.
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Originally Posted by Northerner52
Hi TOV'ers. Any suggestions for cooling a garage that faces East? Don't want to spend any time in the garage but concerned about the contents and the car. I don't have a window but was thinking about adding one and getting this: Access Denied
I do have small windows along the top of my garage doors. |