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Viessmann Vitocal 100-A (3.95–6.99 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR323.95–6.99 kW

Manufacturer	Viessmann
Model	Vitocal 100-A
Model code	Vitocal 100-A AWO-M-AC-AF 101.A06
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R32 All R32 heat pumps →
Mode	Heating & cooling
Heating capacity	3.95–6.99 kW
Max heating output (low temp)	6.76 kW at A7/W45
COP (heating)	4.51 at A7/W35
SCOP (heating)	4.46 at W35
Heating flow temperature	up to 60 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	5.02 kW
Max cooling output (high temp)	5.52 kW at A35/W7
EER (cooling)	3.14 at A35/W7
SEER (cooling)	4.12 at W7
Dimensions (H×W×D)	828 × 924 × 377 mm
Operational Weight	72 kg
Sound power level	64 dB(A) (Sound Power LW(A))
Data added	2026-10-21
Data source	Viessmann Vitocal 100-A installation manual 6167533 (9/2020), cross-checked with UK product brochure
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	ICIM-PDC-000085-00-01
MCS certification	✓ MCS listed
MCS certificate no.	ICIM-PDC-000085-00-01

Free data sheet (PDF) →

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

Viessmann Vitocal 100-A 06 R32 inverter air-to-water monobloc for outdoor installation, single-phase 230 V, heating and cooling, flow up to 60 °C.

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.