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LG Therma V R32 Split 12kW

Model code: HU121MA.U33
✓ BUS eligible✓ MCS listedAir Source (ASHP)ResidentialHeating & cooling
Heating capacity
12 kW
SCOP
4.65
W35
COP
4.55
A7/W35
Max flow temp
65°C
Sound power
63 dB(A)
Refrigerant
R32

Boiler Upgrade Scheme

✓ BUS eligible

Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026).

PEL certificate: KIWA 00033/044 HP

Grant also needs an MCS-certified installer and a qualifying system design.

MCS certification

✓ MCS listed

Certificate: KIWA 00033/044 HP

General
Heat pump typeAir Source (ASHP)
ApplicationResidential
RefrigerantR32
ModeHeating & cooling
Heating performance
Heating capacity12 kW
Max heating output (low temp)11 kW at A7/W55
COP (heating)4.55 at A7/W35
SCOP (heating)4.65 at W35
Operating range (air)-25 to 35 °C
Heating flow temperature15–65 °C
Cooling performance
Cooling capacity12 kW
Max cooling output (high temp)12 kW at A35/W7
EER (cooling)2.7 at A35/W7
Electrical, acoustic and physical
Electrical supply220-240V (Single Phase)
Sound power level63 dB(A) (Sound Power LW(A))
Dimensions (H×W×D)1380 × 950 × 330 mm
Operational Weight84.8 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.