31540/U
ecoGEO+ C4 230 045 R454B HTR EH (G1)
2 published source records · source checked Sep 21, 2026
Ground-source performance depends on the loop type and test conditions. Open-loop and closed-loop COP/EER are kept in separate source records.
Model patterns and component strings are preserved exactly. How to read model patterns and combinations →
Reported metrics & equipment details
Ranges include the 2 published source records for this model. Values in different rows may describe different configurations or loop types. Open an individual record to compare values from the same test configuration.
| Reported field | Value / range | Records supplying it |
|---|---|---|
| Heating COP | 3.1–3.5 | 2 / 2 |
| Cooling EER · BTU/Wh | 17.1–20.5 | 2 / 2 |
| Equipment / loop type | Closed Loop Water-to-Water · Open Loop Water-to-Water | 2 / 2 |
| Refrigerant | Other | 2 / 2 |
Published source records
Each row retains its own equipment and test conditions. Open the record for all specifications.
| Loop / equipment type | Heating COP | Cooling EERBTU/Wh | Record & comparison |
|---|---|---|---|
Open Loop Water-to-Water | 3.5 | 20.5 | EPA 4515544 → |
Closed Loop Water-to-Water | 3.1 | 17.1 | EPA 4515556 → |
Sources and documentation
The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.
No manufacturer manual has been matched to this model.
Collection method, revision history and known limitations →