Attic Fan Breaker Size

Of roof vent area for every 300 sq.

Attic fan breaker size.

Example 20 wide by 50 long attic. For a single story house this is usually the same as the square footage of the house itself plus any attached garage area. A whole house fan sucks warm house. How to size a whole house attic fan.

Test the wires to ensure the power is off. 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. 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.

An attic fan is an electric exhaust fan that mounts in your home s attic. When working with electricity always. How to wire a attic fan. To determine the size of your attic multiply the width by the length of the attic floor in feet.

Before running out to buy an attic fan take some time to check the existing attic ventilation on your house. First is the thermostat calling for the fan when the breaker is turned on. 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. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.