Attic Fan Temperature Setting

At what temperature do you set an attic fan thermostat.

Attic fan temperature setting.

Most manufacturers recommend setting your attic fan thermostat between 105 115 degrees and monitoring how often and how long the fan runs to adjust the setting for your home. The default setting for the thermostat is 110 degrees. When the temperature within the attic reaches a set point the fan will turn on and start venting the heated air cooling the attic space. 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. What temperature should attic fan be set at. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.

With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. I installed 2 new attic fans in my house in north carolina.

In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. Quietcool attic fans work almost everywhere almost anytime. The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.

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