Attic Exhaust Fan Temperature Setting

Most manufacturers recommend setting your attic fan thermostat between 105 115 degrees and monitoring how often and how long the fan runs to adjust the setting for your home.

Attic exhaust fan temperature setting.

Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. 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. That said attic fans are not the best choice for cooling attics especially if you have central air conditioning. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.

When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. 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 manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. What temperature should attic fan be set at.

In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. Likewise adjustable thermostats will shut the fan off.