Take full control of your home comfort. Our 7 Day Programmable Thermostat is easy to use with an attractive backlit display and precision temperature control to within one degree Fahrenheit. Set a unique program for every day of the week to fit your lifestyle and save on energy costs. The Early Start features ensures your set temperature is reached by the programmed time for total climate control. Designed for low volt heating and cooling systems. Honeywell is building a smarter safer and more sustainable world.