That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
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.
The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency.
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Amazon s choice for attic thermometer.
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.
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.
What temperature should attic fan be set at.
Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.
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.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
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