When you purchase a programmable thermostat that has earned the ENERGY STAR, you know that it meets strict energy efficiency guidelines set by the US Environmental Protection Agency (EPA) with no compromise on quality. When you use less energy you help to protect the environment while saving money on your energy bills.
Source: U.S. Environmental Protection Agency, U.S. Department of Energy Released: 2003 Pages: 1 Publication ID: 352 Item number: 352
