Attic Fan Winter Setting

Ceiling fan direction in the winter should be clockwise and the fan should run at the lowest speed.

Attic fan winter setting.

A clockwise ceiling fan direction for high ceilings is especially important in winter. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. How is an attic fan controlled. However it should also depend on the season the temperature outdoors as well as indoors.

This pulls cool air up toward the ceiling which in turn displaces the warm air that rises and collects near the ceiling. When the temperature within the attic reaches a set point the fan will turn on and start venting the heated air cooling the attic space. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.

I am in chicago where temperature is around 30 today and humidity about 53. In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f. The ideal way to control the operation of an attic fan is with a thermostat and a humidistat. 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.

Controlling the humiditylevels of your attic is also important as it can easily make or break the performance of your hvac systems. What temperature should attic fan be set at. View all bits bites. In winter the humidistat operates the attic fan when the relative humidity exceeds a preset level usually 40 to 50.

Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. Normally the humidistat setting should range between 15 to 50 percent. This reduces attic moisture. With installation of this new fan the temperature in my house is colder than it was last year by about 2 degrees.

I have a new attic fan w thermostat set at 110 and humidistat set at 60. I believe it is due to the new attic fan which seems to run all the time. Attic fan temperature setting.