Simple, Stylish, & Programmable! Thermostats don't come much easier to install & use. These programmable/Non-programable thermostats are built to Emerson's high-quality standards, yet have a lovely low-quality price tag. Emerson's 80 Series Thermostats have an attractive Sensi styling, have a high-contrast backlit display so you can see in all conditions, and a number of other features are highlighted below. 7-day or 5+1+1 day programmable, with up to 4 different heating periods per day! Filter change reminder to help keep you & your loved ones breathing clean air. Compatible with gas, oil, or electric heaters or furnaces; also compatible with heat pumps. Attractive Sensi thermostat styling Universal (single-stage, multi-stage, heat pump), conventional and heat pump models. Large 4.5 sq. inch high contrast backlit display (no squinting needed) Keypad lockout and adjustable heat/cool temperature limits. Battery or hardwired powering option available Built-in dual fuel logic program eliminates the need for an outdoor sensor. Don't forget, when you pair our thermostats up with a new furnace, heater, or heat pump, you save $$$! Unsure if this thermostat is the correct solution for you? Contact us to find out or get our recommendation.