GeoComfort / GEOTHERMAL HEAT PUMP
GZT042*
ZT Series · EPA record 3998433
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 3998433. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.
| Metric or attribute | Source value |
|---|---|
| Heating COP | 4.5 |
| Cooling EER · BTU/Wh | 27.0 |
| Equipment / loop type | Open Loop Water-to-Air |
| Refrigerant | Other |
Specifications & provenance
Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.
| Source field | Reported value | Evidence |
|---|---|---|
| pd id | 3998433 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| brand name | GeoComfort | EPA Sep 21, 2026 |
| cop rating | 4.5 | EPA Sep 21, 2026 |
| eer rating | 27.0 | EPA Sep 21, 2026 |
| model name | ZT Series | EPA Sep 21, 2026 |
| model number | GZT042* | EPA Sep 21, 2026 |
| product type | Open Loop Water-to-Air | EPA Sep 21, 2026 |
| date qualified | 2025-02-20T00:00:00.000 | EPA Sep 21, 2026 |
| refrigerant type | Other | EPA Sep 21, 2026 |
| energy star partner | Enertech Global, LLC | EPA Sep 21, 2026 |
| date available on market | 2024-03-10T00:00:00.000 | EPA Sep 21, 2026 |
| energy star model identifier | ES_1062792_GZT042*_02182025173356_02216054495 | EPA Sep 21, 2026 |
| meets most efficient criteria | Yes | EPA Sep 21, 2026 |