Summer Heat From Attic Fan

Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.

Summer heat from attic fan.

That is a. Known as the primetime for heat and humidity this is one of the most important seasons to make sure that your attic fan is adjusted correctly. Summer attic air temperatures with old terra cotta colored asphalt shingles peaked at 140 to 145 at 18 above the blown in fiberglass insulation layer at the attic floor. On one hand the national renewable energy laboratory said attic ventilation reduces attic temperature 10 to 25 degrees and slows the transfer of heat into the living space on the other the florida solar energy center university of central florida found that attics with nominal natural ventilation and r 19 ceiling insulation do not need powered vent fans.

I am curious about the recommendation on your blog to reverse the ceiling fans to decrease the radiant heat transmitted from the attic through the ceiling. This makes it harder for your cooling system to do its job efficiently driving up energy costs and bringing down home comfort. Your attic can get as hot as 150 degrees in the summer. During the summer this leads to the hot air from the attic seeking out the cooler conditioned floors below.

Properly sealing these leaks can save as much as 10 every month on your power bill. Install electric ventilators and attic fans which remove hot air from an attic. Since your attic can effortlessly soar above 95 degrees on average it s best to make sure that this space doesn t reach ten degrees above the day s forecast as many industry professionals can. Poor sealing insulation and ventilation.