Have you had an roofing siding or insulation work done before you noticed the difference in performance.
How to repair attic fan.
It s best to hire an electrician to deal with electrical problems.
Most fans have an on off switch that bypasses the fan s thermostat.
This attic fan motor is the most expensive repair for attic exhaust fans.
A screw or bolt may have come loose.
If the fan comes on you have an electrical problem in the circuit the attic fan is on.
Sometimes cleaning out your fan and or adding some oil is all it takes to correct a problem.
If the motor isn t working you will need an attic fan motor replacement or attic replacement fan.
You can start by checking the fan for debris and making sure that your fan s motor is properly lubricated.
Some attic fan repair problems are relatively simple and can be done without the help of a professional.