# Viessmann Manufacturing Company: Viessmann Vitocal 100-WA certified (Geothermal heat pumps)

**Launch Signal Score:** 25/100

| Field | Value |
|---|---|
| Manufacturer | Viessmann Manufacturing Company |
| Brand | Viessmann |
| Model | Vitocal 100-WA |
| Model number | 100-WA-AP1T077056 |
| Category | Geothermal heat pumps |
| Type | Closed Loop Water-to-Air |
| Certified | 2026-05-11 |
| On market | 2025-12-01 |
| 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/4611394). Last refreshed: 2026-11-03T19:39:47.053Z.
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.