Before you install your new bathroom exhaust fan heater you ll have to calculate the circuit load.
Install bathroom heater light.
Plan the installation so the vent duct is as short as possible and makes as few turns as possible.
I have a bathroom that has an exhaust fan with a light and heater which are all separate units.
In the attic there were two wire cable feeds.
A heater uses more power than a light and fan so it may need to be on its own circuit.
If you re unsure of the total circuit load or the circuit capacity don t guess.
How to install a bathroom heater fan combo.
After completing the installation turn the branch circuit breaker back on and test your new bathroom heater fan.
Step 6 install new bathroom heater.
It is possible that hat the circuit wire size running to the lights is not adequate to allow for a heater kit.
In addition to a vent fan a bathroom unit may have a light night light or heater.
Reshape the sheet rock hole as needed.
Install the new bathroom heater fan according to the manufacturer s instructions.
Light heater fans install in the ceiling at the location of the existing fan and operate using switches on the wall.
I want to replace this original set up with a newer all in one bathroom exhaust fan unit that has an exhaust fan with a light and heat functions all built in to one the one unit.