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Viessmann Vitocal 300-A (5.8–9.7 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR410A5.8–9.7 kW

Manufacturer	Viessmann
Model	Vitocal 300-A
Model code	AWO-AC 301.B07
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R410A All R410A heat pumps →
Mode	Heating & cooling
Heating capacity	5.8–9.7 kW
Max heating output (low temp)	7 kW at A-7/W35
COP (heating)	5 at A7/W35
Heating flow temperature	up to 65 °C
Electrical supply	380-415V (Three Phase)
Cooling capacity	8.1 kW
Max cooling output (high temp)	8.1 kW at A35/W18
Dimensions (H×W×D)	1980 × 1100 × 1100 mm
Operational Weight	250 kg
Sound power level	53 dB(A) (Sound Power LW(A))
Data added	2026-10-21
Data source	Viessmann UK Vitocal heat pumps brochure
Verification	Verified by a human

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

Viessmann Vitocal 300-A AWO-AC 301.B07 R410A air-to-water monobloc heat pump, output range 5.8-9.7 kW, flow up to 65 °C, heating and cooling.

Where to buy (UK)

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

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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.