Quote:
Originally Posted by Bay Kid
Just curious why not insulate above the garage? Wouldn't that help cool the garage?
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The purpose for insulation is to slow down the heat transfer process between a conditioned space and an unconditioned space. So, you can reduce the amount of energy required to heat or cool the conditioned space. But, when both spaces are unconditioned, like the garage and the attic space above it, the insulation doesn't really do much because, in a short period of time, both unconditioned spaces will reach an equilibrium temperature. That is why builders do not insulate these areas.