Attic Fan Winter Setting

Likewise adjustable thermostats will shut the fan off.

Attic fan winter setting.

I believe it is due to the new attic fan which seems to run all the time. I am in chicago where temperature is around 30 today and humidity about 53. Controlling the humiditylevels of your attic is also important as it can easily make or break the performance of your hvac systems. 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 attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. With installation of this new fan the temperature in my house is colder than it was last year by about 2 degrees. The ideal way to control the operation of an attic fan is with a thermostat and a humidistat. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.

This pulls cool air up toward the ceiling which in turn displaces the warm air that rises and collects near the ceiling. In winter the humidistat operates the attic fan when the relative humidity exceeds a preset level usually 40 to 50. The normal indoor humidity range in winter should be 15 to. Normally the humidistat setting should range between 15 to 50 percent.

I have a new attic fan w thermostat set at 110 and humidistat set at 60. Attic fan temperature setting. Ceiling fan direction in the winter should be clockwise and the fan should run at the lowest speed. This reduces attic moisture.

When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. 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. However it should also depend on the season the temperature outdoors as well as indoors. What temperature should attic fan be set at.

Eliminating mold and mildew on the roof structure is the ultimate goal. How is an attic fan controlled. In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f.