How To Properly Use An Attic Fan. This recommendation is typically based on the location that your home is located in. Active power vents are smaller vents that can pull hot air out of the attic using electricity or solar powerPassive vents such as box vents or ridge vents can use natural winds and convection.

When used alone the least effective method of cooling the attic. Whole house fans work on the principle of removing the hot and humid air out of the house. Set the thermostat temperature to 110 degree F for better results.
Even moderate summer temperatureslets say the low 80scan increase the temperature of your attic to above 150 degrees without a properly installed and functioning attic fan.
Behind a soffit vent. Cant use with some roof lines. How to Use Maintain an Attic Fan. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees Fahrenheit.

