NIBES1156-8 (Wasser / Wasser)
The NIBE S1156-8 (Wasser / Wasser) is a heat pump with SCOP (35 °C) 7.87 and refrigerant R454B.1
Key figures
Technical specifications
| General | |
|---|---|
| Type (source) | Water-to-water1 |
| Compressors | 11 |
| Capacity control | drehzahlregelung1 |
| Performance | |
| Rated output 35 °C | 10 kW1 |
| Rated output 55 °C | 10 kW1 |
| Efficiency | |
| SCOP (35 °C) | 7.871 |
| SCOP (55 °C) | 5.621 |
| Seasonal efficiency ηs 35 °C | 307 %1 |
| Seasonal efficiency ηs 55 °C | 217 %1 |
| Noise | |
| Indoor unit sound power | 38 dB(A)1 |
| Refrigerant | |
| Refrigerant | R454B1 |
| Refrigerant charge | 1.15 kg1 |
| Electrical | |
| Max. power input | 0.54 kW1 |
| Connectivity & smart | |
| SG Ready | Yes1 |
Variants
This model is registered in 4 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:
- S1156-8 (Wasser / Wasser)
- S1156-8-PC (Wasser / Wasser)
- S1256-8 (Wasser / Wasser)
- S1256-8-PC (Wasser / Wasser)
Manufacturer documentation
External links to NIBE's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Frequently asked questions
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026