Attic Temp Is 150

They have done much of their testing in las vegas and phoenix where conditions are the worst and 150 degree attic temperatures are common.

Attic temp is 150.

Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. If the absorptivity of the roofing material is 0 92 the model predicts that the maximum hourly temperature for the roof sheathing plywood is 140 f 60 c and the maxi mum predicted exterior roof membrane temperature is 150 f 66 c. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.

The cooling load for a home air conditioner depends on the difference in temperature between the inside and outside air and reduction of attic temperatures from 155 degrees to 105 degrees f will result in a significant reduction in cooling load. 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. 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 some cases attic temperatures can reach above the 150 degree mark.

What temperature should attic fan be set at. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be. Attic fan temperature setting most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. Attics can reach temperatures of 150 to 160 degrees f during a summer day although outside air temperatures are only 95 to 97 degrees f.

When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.