How to Heat a Small Bathroom


If you have a small bathroom, it is crucial to maximize space. A toe-kick heater is ideal to heat a small bathroom as it can be installed under a bathroom vanity. Unlike a space heater, a compact toe-kick heater conserves space and does not clutter up a small bathroom. A toe-kick heater works by warming your bathroom floor. As the warmth rises, it heats the entire room. With a small bathroom, you sacrifice space, but you do not have to sacrifice comfort.

Things You'll Need

  • Toe-kick heater
  • Power drill
  • Drill bit
  • Keyhole saw
  • Fish tape/cable clamp
  • Electric cable wire
  • Switch box
  • Switch
  • Electrical tape
  • Screwdriver
  • Screws
  • Turn off the power to the bathroom at the circuit breaker.

  • Prepare the area for the switch box. Use a keyhole saw to cut an opening in the wall. Center the opening for the switch box over the location of the toe-kick heater.

  • Place the toe-kick heater in front of the desired location under the bathroom vanity. Use a pencil to outline the heater. Drill holes in all four corners of the outline. Use the keyhole saw to cut along the outline of the heater. Remove the cutout to expose the opening for the heater.

  • Install cable wire. Feed the wire from the power supply to the switch box. Place the end of the wire inside the switch box. Use fish tape or a cable clamp to hold the wire in place.

  • Place a second cable wire in the switch box. Use fish tape or a cable clamp to hold the wire in place. Feed the cable through the opening of the switch box until the end of the cable exits the heater opening. Allow the cable to extend 2 feet beyond the heater opening. This will give you the freedom to remove the heater for cleaning without disassembling the wires.

  • Set up the switch box. Connect the switch box to the power supply. Remove the fish tape or cable clamp from the cable wires. Attach the new wires to the existing wires in the junction box of the power supply. Tuck the wires into the junction box. Attach the cover plate. Follow the manufacturer's instructions to make the proper wire connections in the switch box. Tuck the wires into the switch box. Install the switch. Attach the cover plate and secure it to the wall with screws.

  • Connect the cable wires to the toe-kick heater wires. Consult the manufacturer's instructions for proper wire connections. Slide the toe-kick heater into the opening. Use the screwdriver and screws to anchor the heater to the bottom of the bathroom vanity.

  • Turn on the power at the circuit breaker. Turn on the toe-kick heater to ensure it is working properly.

Tips & Warnings

  • Keep the area in front of the toe-kick heater free of obstructions.
  • Verify the temperature rating of vinyl flooring with the manufacturer before installing a toe-kick heater.

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  • Photo Credit Jupiterimages/Creatas/Getty Images
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