OCEANSIDE, Calif. — A newly constructed Gilbert, Ariz., home became the one-millionth home rated in the United States according to the Residential Energy Services Network™ (RESNET) Home Energy Rating System (HERS) Index. The HERS Index score provides buyers with a reference point for how energy efficient it is compared to other homes. The rating for the Gilbert home calculated that it will save its new owner about $158 monthly, or $1,890 annually in utility expenses, as promised by the builder.

RESNET is a non-profit organization formed in 1996 with the goal of standardizing home energy efficiency ratings and helping homeowners reduce energy costs by making their homes more energy efficient. Certified RESNET home energy professionals are trained in energy efficiency practices and must adhere to the RESNET standards of practice and code of ethics.