Test Attic Fan

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken.

Test attic fan. The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem. They include rafters and ceiling joists that are damp or blackened with mold. Natural light is a rising solar attic fan brand which is tried and tested by builders. If the fan comes on you know that the problem lies with the fan thermostat.

Attic fan thermostat if your fan has a thermostat turn the fan on and off bypassing the thermostat. They are built with top quality and in the usa. A fan that won t run is often caused by a failed motor or a bad thermostat. Step 1 test the fan motor.

Turn the attic fan off and unplug the motor from the thermostat. If the motor is working but the fan blades are not moving the problem may be the belt. How to test an attic fan motor and thermostat. Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs.

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. 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. Fan motor runs but not the blades. Quietcool s smart gable mount attic fan is our top pick for its ease of use simple installation and maximum energy efficiency.

Calculate fan size accurately. Whole house fans work most efficiently at night. If you want the daytime advantages of. Check out hybrid attic fans.

The top cause of fan motor breakdowns is a bad run capacitor. If the fan turns on the motor is still good. Obviously solar fans don t work well at night. Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet.