Test Attic Fan

Fan motor runs but not the blades.

Test attic fan.

Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs. There s no point choosing either a whole house or attic venting fan that s too small. Turn the attic fan off and unplug the motor from the thermostat. Obviously solar fans don t work well at night.

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. They include rafters and ceiling joists that are damp or blackened with mold. If the fan turns on the motor is still good. Step 1 test the fan motor.

The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem. 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. If you want the daytime advantages of.

If the fan comes on you know that the problem lies with the fan thermostat. The top cause of fan motor breakdowns is a bad run capacitor. Whole house fans work most efficiently at night. Step 2 test the thermostat.

How to test an attic fan motor and thermostat. Attic fan thermostat if your fan has a thermostat turn the fan on and off bypassing the thermostat. Calculate fan size accurately. Natural light is a rising solar attic fan brand which is tried and tested by builders.

Check out hybrid attic fans. They are built with top quality and in the usa. If the motor is working but the fan blades are not moving the problem may be the belt. Quietcool s smart gable mount attic fan is our top pick for its ease of use simple installation and maximum energy efficiency.