Is It Normal For An Attic Temperature

If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home inspector jamison brown of amerispec home inspection services in poquoson.

Is it normal for an attic temperature. These images came from a presentation danny parker gave pdf on fsec s cool roof research the third graph shows attic temperatures from the middle of the attic for several different types of roofing as well as a sealed attic. The white roof lowered the attic temperature by about 20 f. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.

Of course some environments are much hotter than others so this will be the perfect time to measure out how warm your attic will get during the most heated of seasons. In an ideal world the attic temperature would be the same as the outside temperature. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. If your attic soars above 100 degrees and reaches the 150 mark its time to consult.

Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be. In reality however variables get in the way.