Test Attic Fan

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Test attic fan.

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs. Quietcool s smart gable mount attic fan is our top pick for its ease of use simple installation and maximum energy efficiency. Turn the attic fan off and unplug the motor from the thermostat.

Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet. They include rafters and ceiling joists that are damp or blackened with mold. Calculate fan size accurately. The top cause of fan motor breakdowns is a bad run capacitor.

Whole house fans work most efficiently at night. As said it has a 36w solar panel which is just enough to power the attic fan. Obviously solar fans don t work well at night. If the fan comes on you know that the problem lies with the fan thermostat.

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. Step 1 test the fan motor. How to test an attic fan motor and thermostat. If the motor is working but the fan blades are not moving the problem may be the belt.

Check out hybrid attic fans. The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem. A fan that won t run is often caused by a failed motor or a bad thermostat. If you want the daytime advantages of.

If the fan turns on the motor is still good. Step 2 test the thermostat. Fan motor runs but not the blades. There s no point choosing either a whole house or attic venting fan that s too small.