Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
Best temperature setting for attic fan.
Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
Attic fan temperature setting most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
Which will turn the fan on when the attic reaches a set temperature no need for flipping a switch or monitoring the attic s temperature yourself.
The best attic fans for home ventilation.
What temperature should attic fan be set at.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
In general most homeowners should set their attic fan temperature to in between 90 and 110 degrees fahrenheit.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.
Unfortunately it is impossible to state a single number as the correct temperature.
The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency.