The 80 Series thermostat is one of White-Rodgers’ most popular products. The 80 Series can maintain a set temperature to within one degree. A larger permanent memory improves performance, as well as saves all programs during a power loss. More value and energy savings with programmable models. Homeowners can save as much as 33 percent by programming heating and cooling times to cut energy use, based on the home’s location, climate and program selections and meets Energy Star specifications.