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Viessmann Vitocal 250-A PRO

Specifications and technical data

Air Source (ASHP)CommercialR29039.5 kW

Manufacturer	Viessmann
Model	Vitocal 250-A PRO
Model code	AWO-AC-AF 251.A40
Heat pump type	Air Source (ASHP)
Application	Commercial
Refrigerant	R290
Mode	Heating & cooling
Heating capacity	39.5 kW
Max heating output (low temp)	39.5 kW at A7/W35
COP (heating)	3.8 at A7/W35
Heating flow temperature	up to 70 °C
Electrical supply	380-415V (Three Phase)
Cooling capacity	26 kW
Max cooling output (high temp)	26 kW at A35/W7
Dimensions (H×W×D)	1570 × 1900 × 940 mm
Operational Weight	550 kg
Sound power level	69.8 dB(A) (Sound Power LW(A))
Data added	2026-07-02
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	011-1W0833_01
MCS listing	View on MCS ↗

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Viessmann Vitocal 250-A PRO is a 39.5 kW air source heat pump, providing heating and cooling, using R290 refrigerant.

Where to buy (UK)

UK Supplier	Secon Renewables
UK Supplier	Pirate Heating Supplies
UK Supplier	Beet BG
UK Supplier	GetPlumb
UK Supplier	Solar Trading

✓ 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.