Product data sheetheatpumpdatabase.com

Riello NXHM 012
Model code: NXHM 012
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating & cooling
Heating capacity
5.57–12.3 kW
SCOP
4.81
W35
COP
4.95
A7/W35
Max flow temp
65°C
Sound power
65 dB(A)
Refrigerant
R32
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0291/05
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: MCS HP0291/05
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R32 |
| Mode | Heating & cooling |
| Heating performance | |
| Heating capacity | 5.57–12.3 kW |
| Max heating output (low temp) | 11.9 kW at A7/W55 |
| COP (heating) | 4.95 at A7/W35 |
| SCOP (heating) | 4.81 at W35 |
| Heating flow temperature | up to 65 °C |
| Cooling performance | |
| Cooling capacity | 12 kW |
| Max cooling output (high temp) | 11.5 kW at A35/W7 |
| EER (cooling) | 2.75 at A35/W7 |
| SEER (cooling) | 4.89 at W7 |
| Cooling flow temperature | 7–18 °C |
| Electrical, acoustic and physical | |
| Power input | 5.5 kW |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 65 dB(A) (Sound Power LW(A)) |
| Operational Weight | 129 kg |
Test conditions: A = outdoor air °C, W = flow water °C (e.g. A7/W35 = 7°C air, 35°C flow). Compare COP and SCOP only at the same conditions.