heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Aira 12kW (400V)
Model code: HPO-AW-12-400V-1.0
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating only
Heating capacity
12.8 kW
SCOP
4.7
W35
COP
4.94
A7/W35
Max flow temp
70°C
Sound power
57 dB(A)
Refrigerant
R293
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: MCS HP0372/08
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: HPO-AW-12-400V-1.0 (outdoor) / HPI-AO-250-1.0 (indoor)
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R293 |
| Mode | Heating only |
| Heating performance | |
| Heating capacity | 12.8 kW |
| Max heating output (low temp) | 10.3 kW at A-7/W35 |
| COP (heating) | 4.94 at A7/W35 |
| SCOP (heating) | 4.7 at W35 |
| Operating range (air) | -25 to 45 °C |
| Heating flow temperature | up to 70 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 380-415V (Three Phase) |
| Sound power level | 57 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 1503 × 1152 × 416 mm |
| Operational Weight | 172 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.