Hitachi Yutaki S (1.85–6.5 kW)

Specifications and technical data

Air Source (ASHP)ResidentialR321.85–6.5 kW

Manufacturer	Hitachi
Model	Yutaki S
Model code	Yutaki S 4.3kW
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	1.85–6.5 kW
Max heating output (low temp)	4.2 kW at A-7/W55
COP (heating)	5.25 at A7/W35
SCOP (heating)	4.6 at W35
Operating range (air)	-20 to 43 °C
Heating flow temperature	20–60 °C
Power input	0.77 kW
Electrical supply	220-240V (Single Phase)
Cooling capacity	5 kW
EER (cooling)	4
Dimensions (H×W×D)	629 × 799 × 300 mm
Operational Weight	45 kg
Sound power level	61 dB(A) (Sound Power LW(A))
Price (unit only)	~£2503.2 (checked 2026-07-15)
Data added	2026-06-27
Data source	Manufacturer Data Sheet

Hitachi Yutaki S is a 4.3 kW air source heat pump, providing heating and cooling, using R32 refrigerant.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables

✓ 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.