How to Install a Wall-Mounted Fahrenheit Thermostat

Your thermostat controls your home's heating and cooling systems, activating them the temperature reaches a set point. A programmable thermostat allows you to adjust the set points to change at various times of the day to help reduce your energy costs. Installing a new thermostat is a fairly simple process for the home handyman.

Screwdriver
Tape
Drill
Wall anchors
Batteries

Instructions

- 1
  Turn off the power to the thermostat at your main electrical box.
- 2
  Remove the cover of the old thermostat. Usually this will just pop off, but unscrew it if needed.
- 3
  Remove the screws that hold the thermostat to the wall.
- 4
  Label the wires with their letter designation (B, R, W and Y) so you know how to connect them to the new thermostat.
- 5
  Disconnect the thermostat from the wires.
- 6
  Unscrew and remove the base of the thermostat. Tape the wires to the wall so they don't slip inside it.
- 7
  Place the base of the thermostat against the wall to see if the holes match up. If they don't, drill new holes and insert wall anchors.
- 8
  Slide the wires through the base of the new thermostat and screw it to the wall.
- 9
  Connect the wires to the proper screws on the new thermostat, following the diagram provided by the manufacturer.
- 10
  Install the batteries (if the thermostat uses them) and attach it to the base.
- 11
  Turn the power back on at the main electrical box and program the thermostat, following the manufacturer's instructions.

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