Find where your fan blades are attached to the ceiling fan housing and motor.
How to remove attic fan blades.
Remove the screws holding the cover on the electrical connections box using a flat blade or phillips head.
Turn off the branch circuit breaker on the service panel supplying power to the attic ventilation fan.
Most fan blades attach via two screws near the motor and fan housing.
Make sure it is off by using.
Shut off the power.
Clean the large debris first.
How to remove a whole house fan system.
Remove loose matter from the fan parts with a paper towel or microfiber towel.
The nut will be on the fan blade collar.
Remove the screw using a hex head wrench.
How to replace an attic ventilation fan.
Make sure you keep the screws in a safe place.
Remove the fan blade nut that attaches the fan blade to the motor shaft.
Turn off the breaker at your breaker box that provides current to the whole house fan.
You may want to flip off the breaker switch that runs power to the room where the ceiling fan is located for added security.
Turn the ceiling fan off and allow the rotation of the blades to come to a complete stop.
Disconnect the fan wiring.
Never trust the attic fan s thermostat.
Separate the grill cover from the back of the fan.
Remove the whole house fan.
Slide the fan off the motor shaft.
Remove the shutter assembly.
Measure the length of the ceiling fan blade you just removed.