Simple Solution with All-in-one, THERMA V Monobloc

Monobloc is all in one solution without additional indoor unit. It’s only connected to water tank so easy and simple to be installed. Contact us for this sustainable heat pump system.

A Ready-to-Install, Plug and Play Heat Pump

Monobloc is connected by water piping only so additional refrigerant piping work not needed. It’s easy and simple solution to replace the boiler and a best solution to combine with a 3rd party water tank. Plus, it's more space-efficient because only water tank is installed inside the machine room.

Efficient Heat Pump with Quiet Operation

In average home energy use, 70% of energy cost is for home heating and hot water heating.* LG Therma V
Monobloc can provide heating and hot water for whole house year round with A+++ class energy efficiency. Even at low ambient temperatures down to -15℃, the Monobloc delivers powerful heating at 100% capacity. With low noise levels in line with government regulations, more flexible installation can be made.

*Source : Center for Alternative Technology, home heating 50%, hot water heating 20%, other 30%.
**Energy Label is based on COMMISSION DELEGATED REGULATION (EU) No 811/2013. LG Therma V R32 Monobloc S reaches energy label ErP A+++ for space heating 35°C LWT and ErP A++ for space heating 55°C LWT. The results of the energy label may vary depending on the LG Therma V model. Please refer to the LG Compliance Information homepage ( for model-specific information.
***Based on the performance table of the PDB (Product Data Book), 100% of Normal Capacity (except for the 16kW model) with Outdoor Ambient Temperature of -15℃ DB & Leaving Water Temperature of 35℃. Capacities on the performance table are in accordance with EN14511 but are simulation values and may differ from actual values.

R1 Compressor

Efficient and reliable home heating is available by R1 Compressor technology. The improved tilting motion of the scroll has increased overall efficiency and reliability.


With LG ThinQ™ app, users can simply control the heating system anytime from anywhere. Remote access to the heating system allows users maximized comfort.

Intuitive Controller

The intuitive controller allows quick, easy use with a simple touch. Users can set schedules based on their lifestyles and manage energy consumption with daily or monthly power monitoring.

Energy State

LG Therma V has energy-saving power states, can automatically follow power company status signals, and lets your home make and store energy if integrated with our solar and energy storage solutions.

Spec Detail

The LG air to water heat pump line-up features various models.


Table Caption
Features R32 Monobloc S R32 Monobloc S
R32 Monobloc S (1Fan)
R32 Monobloc S (1Fan)
R32 Monobloc S (2Fan)
R32 Monobloc S (2Fan)
Refrigerant & GWP R32 / 675 R32 / 675
Capacity Range (kW) (1Ø) 5.5 / 7 (1Ø&3Ø) 9 (1Ø&3Ø) 12 / 14 / 16
Energy Efficiency Class for Heating A+++ / A++ (35℃ / 55℃) for Heating A+++ / A++ (35℃ / 55℃)
Power Supply (V, Ø, Hz) (5.5/7/9 kW) 220-240, 1, 50 (9 kW) 380-415, 3, 50 220-240, 1, 50 380-415, 3, 50
Dimension&Weight (WxHxD,mm kg) 1,239 × 834 × 330 / (1Ø) 89.5 (3Ø) 90.0 1,239 × 1,380 × 330 / (1Ø) 111.9 (3Ø) 119.1
Sound Power Level (dB(A)) 57 60 / 61 / 61
Operation Range (OAT, ℃) Heating: -25 ~ 35 Cooling: 5 ~ 48 Heating: -25 ~ 35 Cooling: 5 ~ 48
Operation Range (LWT, ℃) Heating: 15 ~ 65 Cooling: 5 ~ 27 (16 ~ 27)¹ DHW: 15 ~ 80² Heating: 15 ~ 65 Cooling: 5 ~ 27 (16 ~ 27)¹ DHW: 15 ~ 80²
Model Name (1Ø) HM051MR U44 HM071MR U44 HM091MR U44 HM121MR U34 HM141MR U34 HM161MR U34
Model Name (3Ø) HM093MR U44 HM121MR U34 HM141MR U34 HM161MR U34

1) When fan coil unit is not used.
2) DHW 58 ~ 80°C operating is available only when the electric heater is operating.
*OAT : Outdoor Air Temperature, LWT : Leaving Water Temperature

Heat Pump FAQs

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