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Nibe S1155

Specifications and technical data

Ground Source (GSHP)CommercialR410A6–25 kW
ManufacturerNibe
ModelS1155
Model codeS1155-25
Heat pump typeGround Source (GSHP)
ApplicationCommercial
RefrigerantR410A
ModeHeating only
Heating capacity6–25 kW
COP4.68 at B0/W35
SCOP5.2 at W55
Operating range (air)from -12 °C
Flow temperatureup to 65 °C
Power input2.71 kW
Dimensions (H×W×D)1500 × 600 × 620 mm
Weight205 kg
Sound power level47 dB(A) (Sound power LWA EN12102 at B0/W35; range 36-47 dB(A))
Data added2026-06-12
Data sourceNIBE installer manuals / technical data

Notes

Inverter-controlled ground source heat pump for larger residential or commercial heating applications.

Part no. 065498. Output range 6-25 kW. EN14511 B0/W35 nominal: capacity 12.68 kW, power input 2.71 kW, COP 4.68. W10/W35 COP 6.34. SCOP average climate 35/55°C 5.2/4.0. Refrigerant charge R410A 2.1 kg. Complete heat pump weight 205 kg; cooling module 140 kg.

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.

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