Average Attic Temperature In Winter

Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.

Average attic temperature in winter. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. Now if the ridge vent is only partial or if the attic air temperature is excessive 20 degrees higher than the outside air fans may prove beneficial pick the right fan. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Attic temperature depends on the amount of solar radiation construction details and the rate of ventilation.

Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. Calculations indicate that on a july day in texas a ventilation rate of one air change per minute for a typical attic using 95 degree f air will lower the peak attic temperature to about 101 degrees f. Install electric ventilators and attic fans which remove hot air from an attic.

Your attic temperature should be at or near the outside air temperature if it is well ventilated and does not leak warm air into the attic from below. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of. Kingmurphy 04 32am 11 20 05. January 8 2010 5 15pm text size.

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

Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.