# Maritime Geothermal Ltd.: Nordic W certified (Geothermal heat pumps)

**Launch Signal Score:** 25/100

| Field | Value |
|---|---|
| Manufacturer | Maritime Geothermal Ltd. |
| Brand | Nordic |
| Model | W |
| Model number | W-55-HACW-X-1T-**-** |
| Category | Geothermal heat pumps |
| Type | Closed Loop Water-to-Water |
| Certified | 2026-05-07 |
| On market | 2025-11-01 |
| Markets | United States, Canada |
| Refrigerant | Other |

## Why this score


Source: U.S. EPA ENERGY STAR certified products data (data.energystar.gov) (https://www.energystar.gov/productfinder/product/certified-geothermal/details/4586720). Last refreshed: 2026-11-04T21:42:02.081Z.
From EPA's ENERGY STAR certified-products data as published; ENERGY STAR is a U.S. EPA program and this site is not affiliated with EPA. Manufacturer-level data. Informational only.