Tempstar HW024WR********1

Tempstar HW024WR********1 appears in the U.S. EPA ENERGY STAR "Certified Geothermal Heat Pumps" dataset, which lists products whose manufacturers have certified them to the program's specification (record 4479372, certified 2025-07-18). EPA publishes these rated values for the listing: Product type Closed Loop Water-to-Water; COP rating 3.4; EER rating 21.9; Refrigerant type Other; Meets most efficient criteria Yes. The listing records ENERGY STAR certification and the rated values the manufacturer reported to EPA. It is not a determination that any building, installation or design complies with a code.