Panasonic Aquarea All in One K Series (12.1 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR3212.1 kW

Manufacturer	Panasonic
Model	Aquarea All in One K Series
Model code	WH-UDZ12KE5
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	12.1 kW
Max heating output (low temp)	10.1 kW at A-7/W35
COP (heating)	4.78 at A7/W35
SCOP (heating)	4.58 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	20–60 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	10.7 kW
Cooling flow temperature	5–20 °C
EER (cooling)	2.68 at A35/W7
Dimensions (H×W×D)	1340 × 900 × 320 mm
Operational Weight	88 kg
Sound power level	65 dB(A) (Sound Power LW(A))
Data added	2026-07-10
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	011-1W1108_01
MCS listing	View on MCS ↗

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Panasonic Aquarea All in One K Series is a 12.1 kW air source heat pump, providing heating and cooling, using R32 refrigerant (model WH-UDZ12KE5).

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables
UK Supplier	OceanAir

✓ 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.