Riello NXHM 008

Specifications and technical data

Air Source (ASHP)ResidentialR323.36–8.4 kW

Manufacturer	Riello
Model	NXHM 008
Model code	NXHM 008
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	3.36–8.4 kW
COP (heating)	5.15 at A7/W35
SCOP (heating)	5.21 at W35
Heating flow temperature	up to 65 °C
Power input	3.4 kW
Electrical supply	230V/1P/50Hz
Cooling capacity	7.45 kW
Cooling flow temperature	7–18 °C
EER (cooling)	3.35 at A35/W7
SEER (cooling)	5.83 at A35/W7
Operational Weight	105 kg
Sound power level	59 dB(A) (Sound Power LW(A))
Data added	2026-07-06
Data source	Manufacturer Data Sheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	MCS HP0291/03
MCS listing	View on MCS ↗

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Notes

Riello NXHM 008 is a 8.4 kW air source heat pump, providing heating and cooling, using R32 refrigerant.

Riello NXHM monobloc air-water heat pump, R32, twin-rotary DC inverter, up to 6-unit cascade (1 master/5 slave), wired controller included. Minimum capacity control 40% of nominal; cap_min estimated from this. Cooling nominal capacity 8.3 kW / EER 5.05 at A35/W18. Refrigerant charge 1.40 kg (1.75 kg for 012-016). Riello NXHM monobloc air-water heat pump, R32, twin-rotary DC inverter, up to 6-unit cascade (1 master/5 slave), wired controller included.

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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.