Test Attic Fan

Step 1 test the fan motor.

Test attic fan.

Calculate fan size accurately. They include rafters and ceiling joists that are damp or blackened with mold. Check out hybrid attic fans. Turn the attic fan off and unplug the motor from the thermostat.

Whole house fans work most efficiently at night. The top cause of fan motor breakdowns is a bad run capacitor. 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. If the fan turns on the motor is still good.

If you want the daytime advantages of. Fan motor runs but not the blades. Obviously solar fans don t work well at night. Attic fan thermostat if your fan has a thermostat turn the fan on and off bypassing the thermostat.

Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs. Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. If the motor is working but the fan blades are not moving the problem may be the belt. The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem.

Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet. As said it has a 36w solar panel which is just enough to power the attic fan. Natural light is a rising solar attic fan brand which is tried and tested by builders. Quietcool s smart gable mount attic fan is our top pick for its ease of use simple installation and maximum energy efficiency.

How to test an attic fan motor and 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. A fan that won t run is often caused by a failed motor or a bad thermostat. They are built with top quality and in the usa.