We used this thermostat for one year. It still works perfectly. We recently replaced it with a Nest, just because Duke made the nest affordable. The Honeywell is an excellent thermostat. Programming is easy and convenient, saving money on monthly power bills. Features of the Honeywell Thermostat: Extensive compatibility Connects with nearly all heating and cooling system types. Not compatible with 110-volt or greater systems such as electric baseboard heat. Customizable climate control for every day of the week 7-day programming and up to 4 program periods per day to keep your home comfortable. Permanent and temporary hold options allow you to pause cycles as needed. Enjoy year-round energy savings Thermostat automatically adjusts temperatures while you're at home or away to keep your energy bills down every month. Keeps working during power failures and adjusts for daylight savings time Real-time clock maintains dependable time settings all year long. The large, easy-to-read display helps you maintain consistent comfort Easily navigate the display to control your indoor temperatures.