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WATERLESS WG1AH-66C1-CP*-*-* (WG1AH-66)
WATERLESS · WG1AH-66C1-CP*-*-*
WATERLESS WG1AH-66C1-CP*-*-* (WG1AH-66) 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 2368009, certified 2021-11-09). EPA publishes these rated values for the listing: Product type DGX-to-Air; COP rating 3.6; EER rating 19.1; Refrigerant type R-410A; 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.
✓ Verified 2026-10-03
Specs on this page were checked against ENERGY STAR Certified Geothermal Heat Pumps (data.energystar.gov/d/acvd-5wvz) on 2026-10-03.
Specifications
| COP rating | 3.6 |
| EER rating | 19.1 |
| Product type | DGX-to-Air |
| Refrigerant type | R-410A |
| Meets most efficient criteria | Yes |
Certifications & Standards
ENERGY STAR 2368009 Certified geothermal heat pump, 2021-11-09
Sustainability
No sustainability metrics on file for this product.