LG Therma V R32 Monobloc S 14kW (HM143MR.U34)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR3214 kW

Manufacturer	LG
Model	Therma V R32 Monobloc S 14kW
Model code	HM143MR.U34
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R32 All R32 heat pumps →
Mode	Heating & cooling
Heating capacity	14 kW
Max heating output (low temp)	12 kW at A2/W35
COP (heating)	4.8 at A7/W35
SCOP (heating)	4.62 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	15–65 °C
Power input	2.9 kW
Electrical supply	380-415V (Three Phase)
Cooling capacity	14 kW
Max cooling output (high temp)	14 kW at A35/W7
EER (cooling)	3.1 at A35/W7
Dimensions (H×W×D)	1380 × 1239 × 330 mm
Operational Weight	119.1 kg
Sound power level	60 dB(A) (Sound Power LW(A))
Price (unit only)	~£3,988.98 (checked 2026-07-15)
Data added	2026-06-27
Data source	Manufacturer Data Sheet
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	KIWA 00033/063 HP
MCS certification	✓ MCS listed
MCS certificate no.	KIWA 00033/063 HP
MCS listing	View on MCS ↗

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

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LG Therma V R32 Monobloc S 14kW is a 14 kW air source heat pump, providing heating and cooling, using R32 refrigerant (model HM143MR.U34).

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	CoolEasy

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.