Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
Attic fan temperature sensor.
Amazon s choice for attic thermometer.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
What temperature should attic fan be set at.
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.
Govee wireless thermometer hygrometer mini bluetooth indoor temperature humidity sensor with free data export temp humidity monitor with app alert for home greenhouse pet cigar humidor.
This won t work as i also had attic fans installed as part of the rebuild and they don t even kick on until 140f to cool the attic so obviously way above 140f is needed.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
I m guessing in the neighborhood of 200f.
Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.
From research it seems a temperature sensor is the best way to go but all the ones i ve found for smartthings cap out at 122f.