RP048-1CSN-*****A
Bosch · Geothermal Heat Pump
ENERGY STAR CertifiedGeothermal Heat Pumps →
EER
21–26.7BTU/Wh
COP
4.30–5.10
Refrigerant
Other
Rated Across
2loop types
ENERGY STAR Most Efficient
Bosch RP048-1CSN-*****A: EER 26.7 BTU/Wh, around the middle of the range for geothermal heat pumps (category median 24.1 BTU/Wh).
Where this model sits
EER26.7BTU/Wh
16.1median 24.147.6
COP5.10
3.10median 4.405.60
The Bosch RP048-1CSN-*****A is a 26.7 BTU/Wh geothermal heat pump using Other. At 26.7 BTU/Wh it ranks around the middle of the 2,204 certified geothermal heat pumps models.
Specifications
| Efficiency | |
|---|---|
| EER (best configuration) | 26.7BTU/Wh |
| EER (worst configuration) | 21BTU/Wh |
| COP (best configuration) | 5.10 |
| COP (worst configuration) | 4.30 |
| Configuration | |
| Loop Types Rated | 2 |
| Total Configurations Rated | 6 |
| Model Name | CP/RP Split |
| Refrigerant | Other |
All 14 specifications
| Identifiers | |
|---|---|
| Model Number | RP048-1CSN-*****A |
| ENERGY STAR ID | ES_22859_RP048-1CSN-*****A_06012025102018_02217351684 |
| Partner | FHP Manufacturing Bosch Group |
| Date Qualified | 2026-05-30 |
| Available From | 2025-05-30 |
| Markets | United States, Canada |
Documentation
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