The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency.
Attic fan temperature sensor.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
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 fan thermostat switch type spst switch action close on rise number of switches 1 control range 80 degrees to 130 degrees f differential 15 degrees f height 4 9 16 in width 2 13 16 in depth 2 1 8 in sensor type bimetal for use with attic ventilators fans and dampers color beige silver face application attic fan control cooling only 120 to 240vac 13 8a 10a 13 8a 10a 82 8a 60a standard 2 in.
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.
I m guessing in the neighborhood of 200f.
What temperature should attic fan be set at.
Amazon s choice for attic thermometer.
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.
4 5 out of 5 stars 1 759.