Tempstar / GEOTHERMAL HEAT PUMP
HW048WR********1
HW · EPA record 4430064
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 4430064. 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 | 4.2 |
| Cooling EER · BTU/Wh | 23.0 |
| Equipment / loop type | Open Loop Water-to-Water |
| 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 | 4430064 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| brand name | Tempstar | EPA Sep 21, 2026 |
| cop rating | 4.2 | EPA Sep 21, 2026 |
| eer rating | 23.0 | EPA Sep 21, 2026 |
| model name | HW | EPA Sep 21, 2026 |
| model number | HW048WR********1 | EPA Sep 21, 2026 |
| product type | Open Loop Water-to-Water | EPA Sep 21, 2026 |
| date qualified | 2025-06-06T00:00:00.000 | EPA Sep 21, 2026 |
| refrigerant type | Other | EPA Sep 21, 2026 |
| energy star partner | FHP Manufacturing Bosch Group | EPA Sep 21, 2026 |
| date available on market | 2025-05-30T00:00:00.000 | EPA Sep 21, 2026 |
| energy star model identifier | ES_22859_HW048WR********1_06042025151359_02217351943 | EPA Sep 21, 2026 |
| meets most efficient criteria | Yes | EPA Sep 21, 2026 |