| ENERGY STAR Partner |
| WFI Industries |
WaterFurnace International, Incorporated |
| Brand Name |
| GeoStar |
GeoStar |
| Model Name |
| 5 Series |
Envision NDW |
| Model Number |
| 106D066**1 |
GTW100*1 |
| Type |
| Open Loop Water-to-Water |
Open Loop Water-to-Water |
| COP Rating |
| 3 |
N/A |
| Energy Efficiency (EER) |
| 16 |
N/A |
| Date Available On Market |
| March 1, 2019 |
January 7, 2015 |
| Date Qualified |
| April 29, 2022 |
March 27, 2023 |
| Markets |
| United States, Canada |
United States, Canada |
| CB Model Identifier |
| ES_1090524_106D066**1_10062020144719_9615591 |
ES_1036337_GTW100*1_09022021145719_1528688 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| Yes |
Yes |
| Product Category |
| Geothermal Heat Pumps |
Geothermal Heat Pumps |
| Date Certified |
| April 29, 2022 |
March 27, 2023 |
| Refrigerant Type |
| R-410A |
R-410A |
