A check the temperature an hour before sunrise.
Is it normal for an attic temperature.
The white roof lowered the attic temperature by about 20 f.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
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.
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.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
In an ideal world the attic temperature would be the same as the outside temperature.
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.
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.
In reality however variables get in the way.