The Honeywell T-4 Pro  thermostat 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.

Simplified Control

The T4 Pro Programmable Thermostat is easy to install with on-screen menus to display installation steps and a universal mounting system. It's even easier to use with simple push button controls, allowing you to adjust the temperature or set a heating and cooling schedule.

Adaptive Intelligent Recovery

Over time, the T4 Pro Programmable Thermostat learns how long it takes your system to reach the temperature you want. It turns on the heating or cooling system earlier to make sure you're comfortable at the time you expect.

Revolves Around You

It takes work to manage your daily schedule, but with the T4 Pro Programmable Thermostat, your home temperature is one thing you can set and forget. Program a seven-day schedule or set different schedules on the weekend so you can always be comfortable whether you're awake or asleep, home or away.