And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
Attic temp is 150.
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.
They have done much of their testing in las vegas and phoenix where conditions are the worst and 150 degree attic temperatures are common.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.
In some cases attic temperatures can reach above the 150 degree mark.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
If your attic is not properly ventilated your cooling costs will not be as low as they should be because your system is constantly running to compensate for the excess heat.
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.
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 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.
What temperature should attic fan be set at.
An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
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.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.