White Rodgers thermostats are an ideal addition to your home and provide optimal thermostat features, all to increase your ease and comfort! The 70, 80, and 90 series' are all known for being energy-efficient. Also, White Rodgers electronic thermostats are known for their excellent system zoning control. With some of the best thermostats on the market, this is a brand we stand behind. Additionally these thermostats are always backed up with a warranty and come with several choices in setting and programmable capabilities.