You’ll need to remove the faceplate of your old thermostat to get at the low-voltage wiring and backplate. It should pop ...

As the temperature changes, the contraption tilts and the mercury bead moves, making or breaking contact with the wiring. More sophisticated thermostats have replaced the mercury bead with ...

It’s compatible with existing Honeywell Home thermostat wiring plates — so you might not have to do any wiring at all to install it. Resideo says that if you use the app’s recommended set ...

Keep the thermostat set to the same temperature both during the day and at night. By temporarily suspending the use of lower nighttime temperatures, you may incur a higher heating bill, but you can ...