Attic Fan Thermostat Temperature Setting

Adjustable thermostat as mentioned earlier adjustable thermostats give you the ability to simply set a dial and forget about the fan.

Attic fan thermostat temperature setting.

If your attic soars above 100 degrees and reaches the 150 mark its time to consult. 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 attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. 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.

When that temperature is reached or exceeded the thermostat ensures that the attic fan is switched on. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency. That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.

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. Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. What temperature should attic fan be set at. When the temperature drops below that set temperature it is again switched off.

This temperature can be anywhere between 80 to 120 degree fahrenheit. When the temperature within the attic reaches a set point the. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. I doubt you even need an attic fan if that s the case.

I think the normal average setting is 110 or higher if you are in a hot climate. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.