A thermostat is a device that controls the temperature of your heating or cooling system. Modern thermostats can be programmed to adjust the temperature based on your schedule, and some can even be controlled remotely through a smartphone app.

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T4 Pro Programmable Thermostat, 1 Heat/1 Cool

Easy to install and intuitive to use, the T4 Pro Programmable Thermostat learns how long it takes your system to reach the desired temperature and activates the system earlier to help you feel comfortable sooner.

Part of the Honeywell Home T Series of thermostats from Resideo, the T4 Pro Programmable Thermostat helps you manage your home heating and cooling in a simple, easy to use device.

T6 Pro Smart Thermostat Multi-Stage 3 Heat/2 Cool

The T6 Pro Smart Thermostat can give you home comfort control from anywhere. Connect to the app to view and change temperature settings, program a 7-day schedule or just let the T6 respond automatically — it’s designed to work with the heating stages of your existing system.

Connected, simple and smart, the T6 Smart Thermostat is ENERGY STAR® certified and adapts to your lifestyle.

Ecobee Smart Thermostat Premium

Also known as the common wire, the C wire enables the continuous flow of 24VAC power that ecobee thermostats need to operate.

Don’t see a C wire? There might be an extra wire tucked in the wall behind your thermostat’s backplate that you can utilize as the C wire. That is provided it’s connected to the C terminal on your furnace/air handler control board. The C wire might also be labelled as the X or B wire. You’ll have the opportunity to safely check for a C wire during installation when your system is powered off.