Best Temperature Setting For Attic Fan

That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.

Best temperature setting for attic fan.

Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. 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. Unfortunately it is impossible to state a single number as the correct temperature. 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 correct attic fan temperature setting will help prevent the attic from getting desert levels of heat. The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency. 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. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. In general most homeowners should set their attic fan temperature to in between 90 and 110 degrees fahrenheit.