Attic Ventilation Fan Temperature

Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.

Attic ventilation fan temperature. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. Providing half air change per minute will lower the temperature to about 106 degrees f. The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency. Calculations indicate that on a july day in texas a ventilation rate of one air change per minute for a typical attic using 95 degree f air will lower the peak attic temperature to about 101 degrees f.

This prevents snow from melting on your roof and freezing when it hits the cold gutter. 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 manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.

When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.