Attic Fan Thermostat Temperature Setting

Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.

Attic fan thermostat temperature setting.

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. 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.

Ideally your attic space will stay in the same temperature range 105 115 degrees and the only true way to tell is to stick a thermometer into your attic overnight and check the reading every couple hours. I doubt you even need an attic fan if that s the case. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. 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.

If your attic soars above 100 degrees and reaches the 150 mark its time to consult. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. When the temperature within the attic reaches a set point the. This temperature can be anywhere between 80 to 120 degree fahrenheit.

Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. But if your attic rarely breaks 100 then i guess that s the temp to set it at. Adjustable thermostat as mentioned earlier adjustable thermostats give you the ability to simply set a dial and forget about the fan. I think the normal average setting is 110 or higher if you are in a hot climate.

Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. Generally you need to set only one temperature for the thermostat.