Attic Exhaust Fan Temperature Setting

Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.

Attic exhaust fan temperature setting.

Likewise adjustable thermostats will shut the fan off. That said attic fans are not the best choice for cooling attics especially if you have central air conditioning. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. When the temperature within the attic reaches a set point the fan will turn on and start venting the heated air cooling the attic space.

Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. What temperature should attic fan be set at. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.

It essentially pulls that cooled air through cracks and crevices in the attic floor and also through holes that allow for wires and pipes. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. 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.