Attic Fan Breaker Size

An attic fan is an electric exhaust fan that mounts in your home s attic.

Attic fan breaker size.

To determine the size of your attic multiply the width by the length of the attic floor in feet. The inexpensive fans can help reduce heating and cooling costs by evacuating superheated or cold. When working with electricity always. Meaning if nothing is telling the fan to run and the breaker trips we re looking at and for a direct short in the supply line power to the unit.

How to wire a attic fan. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. A whole house attic fan is installed in the ceiling between the top floor and the attic as a supplement to air conditioning. I assume we are talking about an a c airhandler and not a whole house fan or attic vent fan.

While the type and number of vents will vary depending on the specific roof design house location and amount of direct sun a minimum venting system should have 1 sq. Example 20 wide by 50 long attic. Of roof vent area for every 300 sq. Before running out to buy an attic fan take some time to check the existing attic ventilation on your house.

20 x 50 1 000 sq. Turn off electricity at the main fuse box or circuit breaker box that controls the power to the fixture or the room you re working on. First is the thermostat calling for the fan when the breaker is turned on. How to size a whole house attic fan.