Div 23 81 46 · 23 81 46
WaterFurnace NDZ064J1 (5 Series (Indoor Split))
WaterFurnace · NDZ064J1
WaterFurnace NDZ064J1 (5 Series (Indoor Split)) 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 2444195, certified 2023-03-21). EPA publishes these rated values for the listing: Product type Open Loop Water-to-Air; COP rating 4.5; EER rating 25.8; 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 | 4.5 |
| EER rating | 25.8 |
| Product type | Open Loop Water-to-Air |
| Refrigerant type | R-410A |
| Meets most efficient criteria | Yes |
Certifications & Standards
ENERGY STAR 2444195 Certified geothermal heat pump, 2023-03-21
Sustainability
No sustainability metrics on file for this product.