Attic Fan Temperature Setting

But if your attic rarely breaks 100 then i guess that s the temp to set it at.

Attic fan temperature setting.

What temperature should attic fan be set at. Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. What is your attic fan 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. 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. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. When that temperature is reached or exceeded the thermostat ensures that the attic fan is switched on.

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. 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. Generally you need to set only one temperature for the thermostat. When the temperature drops below that set temperature it is again switched off.

Likewise adjustable thermostats will shut the fan off. I think the normal average setting is 110 or higher if you are in a hot climate. This temperature can be anywhere between 80 to 120 degree fahrenheit. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.

That s why we upped the insulation in the attic floor. That said attic fans are not the best choice for cooling attics especially if you have central air conditioning. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. My attic virginia breaks 100 probably every day during the summer.

Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.