Light heater fans install in the ceiling at the location of the existing fan and operate using switches on the wall.
Install bathroom heater light.
Plan the installation so the vent duct is as short as possible and makes as few turns as possible.
After completing the installation turn the branch circuit breaker back on and test your new bathroom heater fan.
I have a bathroom that has an exhaust fan with a light and heater which are all separate units.
In addition to a vent fan a bathroom unit may have a light night light or heater.
Install the new bathroom heater fan according to the manufacturer s instructions.
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.
In the attic there were two wire cable feeds.
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.
How to install a bathroom heater fan combo.
Reshape the sheet rock hole as needed.
Warm up to a job well done.
If possible run the duct straight out through a wall.