Unplug the Vornado heater from the power source.
Turn the heater on its face so the fan is on the floor. Loosen the four screws in the back of the heater that connect it to the faceplate. Set the screws aside and remove the faceplate from the heater.
Turn the Vornado heater upside down and remove the four screws in the base of the heater. Remove the base.
Pull the fan blade attachment off of the fan’s shaft. Unscrew the heating element from the heater with the screwdriver. Pull the heating element out of the heater.