Honeywell programmable thermostats are the #1 choice of both homeowners and contractors. Homeowners appreciate the ease-of-use, accurate temprature control and energy savings - up to 33% if used as directed. Contractors appreciate the reliability, easy installation and universal compatibility that lets them meet every need with just a few thermostats on the truck. Both homeowners and installers trust the Honeywell name, the most recognized thermostat brand in the world.