Attic Fan Breaker Size

A whole house attic fan is installed in the ceiling between the top floor and the attic as a supplement to air conditioning.

Attic fan breaker size.

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. First is the thermostat calling for the fan when the breaker is turned on. To determine the size of your attic multiply the width by the length of the attic floor in feet. A whole house fan sucks warm house.

You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. 20 x 50 1 000 sq. For a single story house this is usually the same as the square footage of the house itself plus any attached garage area. I assume we are talking about an a c airhandler and not a whole house fan or attic vent fan.

When working with electricity always. How to size a whole house attic fan. 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. An attic fan is an electric exhaust fan that mounts in your home s attic.

How to wire a attic fan. The inexpensive fans can help reduce heating and cooling costs by evacuating superheated or cold. Example 20 wide by 50 long attic. 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.