Replacing a broken motor will cost about 125 for an attic fan and between 50 and 100 for a whole house model.
How to replace attic roof fan.
This attic fan motor is the most expensive repair for attic exhaust fans.
1 turn off the branch circuit breaker on the service panel supplying power to the attic.
Professional installation will run an added 80 to 100 per hour.
Those who use attic fans often use them during the summer months when temperatures can reach especially high levels.
After you realize that it s not an electrical or thermostat problem the chances of it being a problem with the motor are quite high.
It pulls fresh air into the attic and pushes the heated air outside.
Roof vent fans or attic fans as they are often called are constructed so that replacement does not have to be done by crawling onto the roof.
An attic fan is installed at the roof level of your home and regulates heat by exhausting hot air.
An attic fan is a fan installed on a roof or gable that circulates air throughout the attic.