Most either come with a programmable thermostat or can be wired to one which will turn the fan on when the attic reaches a set temperature no need for flipping a switch or monitoring the attic.
Thermostat for attic fan setting.
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Generally you need to set only one temperature for the thermostat.
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Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
Many people buy an attic fan which cost around 50 for standard electric gable fans to upwards of 350 for a high end solar attic fan and one of the first things they have to determine is the proper temperature to set the attic fan thermostat.
Attic fan thermostat setting.
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
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The thermostat settings usually differ according to the kind of climate and temperature variation range.
When that temperature is reached or exceeded the thermostat ensures that the attic fan is switched on.
As the heat in the attic rises above 100 the pt6 turns on power to the 2nd thermostat and starts low speed on the fans.
What temperature should attic fan be set at.
I connected this pt6 thermostat set at 100 in series with a 2nd generic electric water heater thermostat set at 115 and connected both speeds of the fans to it.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
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.
I have 2 speed attic fans lo hi.