Panasonic ECOi-W WQ 1204 H

Specifications and technical data

Water Source (WSHP)CommercialR410A422 kW

Manufacturer	Panasonic
Model	ECOi-W WQ 1204 H
Model code	P-WQE1204HA
Heat pump type	Water Source (WSHP) All Water Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R410A All R410A heat pumps →
Mode	Heating & cooling
Heating capacity	422 kW
Max heating output (low temp)	422 kW at W7/W45
COP (heating)	3.97 at W10/W45
SCOP (heating)	5.85 at Not stated
Operating range (air)	-8 to 5 °C
Heating flow temperature	25–55 °C
Electrical supply	380-415V (Three Phase)
Cooling capacity	371 kW
Max cooling output (high temp)	371 kW at W35/W7
Cooling flow temperature	5–18 °C
EER (cooling)	4.27 at W35/W7
SEER (cooling)	5.3 at Not stated
Dimensions (H×W×D)	1880 × 1005 × 2250 mm
Operational Weight	1704 kg
Sound power level	90 dB(A) (Sound Power LW(A))
Data added	2026-07-06
Data source	Manufacturer Data Sheet
Verification	Verified by a human

Free data sheet (PDF) →

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Panasonic ECOi-W WQ 1204 H is a 422 kW water source heat pump, providing heating and cooling, using R410A refrigerant.

Where to buy (UK)

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

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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.