Hisa HR290 Gen 2

Specifications and technical data

Air Source (ASHP)ResidentialR2901.39–5.78 kW

Manufacturer	Hisa
Model	HR290 Gen 2
Model code	HR290-004-1PH
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	1.39–5.78 kW
Max heating output (low temp)	5.27 kW at A7/W55
COP (heating)	5.36 at A7/W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	20–75 °C
Power input	2.1 kW
Electrical supply	220-240V (Single Phase)
Cooling flow temperature	5–25 °C
Dimensions (H×W×D)	660 × 1100 × 438 mm
Operational Weight	83 kg
Sound power level	51 dB(A) (Sound Power LW(A))
Data added	2026-10-21
Data source	HISA R290 Gen 2 Technical Specification (Rev 01, Sept 2026)
Verification	Verified by a human

Free data sheet (PDF) →

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

HISA HR290-004-1PH Gen 2 R290 DC-inverter air-to-water monobloc heat pump, 4.5 kW rated at A7/W35 (1.39-5.78 kW), flow up to 75 °C, single-phase.

Where to buy (UK)

UK Supplier	VPS Underfloor Heating

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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.