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 power vent temperature setting.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
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 your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.
The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency.
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.
Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.
When connected to the thermostat they can turn on and off automatically depending on the current household temperature and the specific settings.
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
The result is a cooler attic space with plenty of air exchange.
What temperature should attic fan be set at.
Our answer attic ventilators generally turn on between 90 and 110 degrees fahrenheit.