heatpumpdatabaseProduct data sheetheatpumpdatabase.com
LG THERMA V R290 Monobloc S
Model code: HM051HFS.UA41
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating & cooling
Heating capacity
5.5 kW
SCOP
4.58
W35
COP
4.9
A7/W35
Max flow temp
75°C
Sound power
53 dB(A)
Refrigerant
R290
Boiler Upgrade Scheme
✓ BUS eligible
Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).
PEL certificate: 011-1W1195_03
Grant also needs an MCS-certified installer and a qualifying system design.
MCS certification
✓ MCS listed
Certificate: 011-1W1195_03
| General | |
|---|---|
| Heat pump type | Air Source (ASHP) |
| Application | Residential |
| Refrigerant | R290 |
| Mode | Heating & cooling |
| Heating performance | |
| Heating capacity | 5.5 kW |
| Max heating output (low temp) | 5.5 kW at A-7/W35 |
| COP (heating) | 4.9 at A7/W35 |
| SCOP (heating) | 4.58 at W35 |
| Operating range (air) | -25 to 35 °C |
| Heating flow temperature | 15–75 °C |
| Cooling performance | |
| Cooling capacity | 5.5 kW |
| Max cooling output (high temp) | 5.5 kW at A35/W7 |
| EER (cooling) | 3 at A35/W7 |
| Cooling flow temperature | 5–27 °C |
| Electrical, acoustic and physical | |
| Electrical supply | 220-240V (Single Phase) |
| Sound power level | 53 dB(A) (Sound Power LW(A)) |
| Dimensions (H×W×D) | 853 × 1242 × 391 mm |
| Operational Weight | 102 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.