Century / GEOTHERMAL HEAT PUMP
ME(L/R/B/P/D/N/T/K)048A
Tranquility 30 Premier Two-Stage · EPA record 3998132
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 3998132. 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 | 5.1 |
| Cooling EER · BTU/Wh | 30.5 |
| 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 | 3998132 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| brand name | Century | EPA Sep 21, 2026 |
| cop rating | 5.1 | EPA Sep 21, 2026 |
| eer rating | 30.5 | EPA Sep 21, 2026 |
| model name | Tranquility 30 Premier Two-Stage | EPA Sep 21, 2026 |
| model number | ME(L/R/B/P/D/N/T/K)048A | EPA Sep 21, 2026 |
| product type | Open Loop Water-to-Air | EPA Sep 21, 2026 |
| date qualified | 2026-05-11T00:00:00.000 | EPA Sep 21, 2026 |
| refrigerant type | Other | EPA Sep 21, 2026 |
| energy star partner | Heat Controller Inc. | EPA Sep 21, 2026 |
| date available on market | 2024-08-14T00:00:00.000 | EPA Sep 21, 2026 |
| energy star model identifier | ES_17771_ME(L/R/B/P/D/N/T/K)048A_08202024163536_6258788 | EPA Sep 21, 2026 |
| meets most efficient criteria | Yes | EPA Sep 21, 2026 |