Nibe S2125 (12.03 kW)

Specifications and technical data

Air Source (ASHP)CommercialR29012.03 kW

Manufacturer	Nibe
Model	S2125
Model code	S2125-20
Heat pump type	Air Source (ASHP)
Application	Commercial
Refrigerant	R290
Mode	Heating & cooling
Heating capacity	12.03 kW
Max heating output (low temp)	5.1 kW at A7/W35
COP (heating)	5.55 at A7/W35
SCOP (heating)	5.3 at W35
Operating range (air)	-25 to 40 °C
Heating flow temperature	25–75 °C
Power input	0.92 kW
Electrical supply	220-240V (Single Phase)
Cooling capacity	13.62 kW
Max cooling output (high temp)	9.74 kW at A35/W7
EER (cooling)	3.08 at A35/W7
Dimensions (H×W×D)	1180 × 1278 × 831 mm
Operational Weight	196 kg
Sound power level	55 dB(A) (Sound Power LW(A))
Data added	2026-07-01
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	012-C700273
MCS listing	View on MCS ↗
Real-world performance data	View on HeatpumpMonitor.org ↗

Nibe S2125 is a 5.1 kW air source heat pump, providing heating and cooling, using R290 refrigerant (model S2125-20).

Where to buy (UK)

UK Supplier	Baxter Heat Pumps
UK Supplier	IMS Heat Pumps

✓ Manually verified by Heat Pump Database

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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.