Ideal Thermostat Setting For Attic Fan

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Ideal thermostat setting for attic fan.

Installing an attic fan with a humidistat can be effective in controlling the heat and humidity particularly during the hot summer days. In general the temperature at your attic should be close to the outdoor temperature not more than 10 20 degrees hotter than outside. The correct attic fan temperature setting will help prevent the attic from getting desert levels of heat. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.

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. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. 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. In general most homeowners should set their attic fan temperature to in between 90 and 110 degrees fahrenheit.

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. Unfortunately it is impossible to state a single number as the correct temperature.