Test Attic Fan

Turn the attic fan off and unplug the motor from the thermostat.

Test attic fan.

Check out hybrid attic fans. If the fan comes on you know that the problem lies with the fan thermostat. If the fan turns on the motor is still good. A fan that won t run is often caused by a failed motor or a bad thermostat.

As said it has a 36w solar panel which is just enough to power the attic fan. If the motor is working but the fan blades are not moving the problem may be the belt. Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet. Quietcool s smart gable mount attic fan is our top pick for its ease of use simple installation and maximum energy efficiency.

The top cause of fan motor breakdowns is a bad run capacitor. There s no point choosing either a whole house or attic venting fan that s too small. Attic fan thermostat if your fan has a thermostat turn the fan on and off bypassing the thermostat. Whole house fans work most efficiently at night.

Always visually check the capacitor before you start testing because ruptured capacitors and capacitors with dents or any other types of deformities are obviously broken and you need to replace them as soon as possible. The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem. They are built with top quality and in the usa. Obviously solar fans don t work well at night.

Step 2 test the thermostat. The smart model is a gable mount meaning it simply mounts plugs in with its attached 20 foot power cord and it s ready to go. If you want the daytime advantages of. Natural light is a rising solar attic fan brand which is tried and tested by builders.

Fan motor runs but not the blades. Step 1 test the fan motor. Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. Calculate fan size accurately.