heatpumpdatabaseProduct data sheetheatpumpdatabase.com
Ochsner AIR 18 C11B
Model code: 287032V
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating and Cooling
Heating capacity
11–18 kW
SCOP
3.5
W35
COP
4.06
A7/W35
Max flow temp
65°C
Sound power
70 dB(A)
Refrigerant
R407C
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: BBA 0037/31
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: BBA 0037/31
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R407C |
| Mode | Heating and Cooling |
| Heating performance | |
| Heating capacity | 11–18 kW |
| Max heating output (low temp) | 10.1 kW at A-7/W35 |
| COP (heating) | 4.06 at A7/W35 |
| SCOP (heating) | 3.5 at W35 |
| Operating range (air) | -22 to 35 °C |
| Heating flow temperature | up to 65 °C |
| Cooling performance | |
| Cooling capacity | 9.3 kW |
| Max cooling output (high temp) | 9.3 kW at A35/W7 |
| EER (cooling) | 2.7 at A30/W7 |
| Electrical, acoustic and physical | |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 70 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 1104 × 1292 × 965 mm |
| Operational Weight | 93 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.