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LG 12kW Therma V S 400V Monoblock Air to Water Heat Pump

200 m² 150 m²
by LG

✓ Easy Installation

✓ Wide Operational Range

✓ High Energy Savings

Save €600 Save €600
Original price €5.360
Original price €5.360 - Original price €5.360
Original price €5.360
Current price €4.760
€4.760 - €4.760
Current price €4.760

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Delivery time

Available - Delivered within 8-14 working days!

Home delivery - Fast premium delivery on pallets

Payment options- Klarna, Paypal and Credit card, always secure payments

2 Year material warranty

LG 12kW Therma V 400V Monoblock Air to Water Heat Pump (HM123MR.U34)

Premium Heating Solution for Spacious Homes and Commercial Spaces

The LG 12kW Therma V Monoblock, model HM123MR.U34, is a powerhouse in the realm of heating technology, designed to efficiently cater to the heating needs of larger residential properties and commercial spaces. This high-capacity heat pump offers an eco-friendly and cost-effective alternative to conventional heating systems, ensuring a significantly reduced environmental footprint while maintaining a comfortable and evenly warmed environment.

Tailored for Diverse and Large-Scale Heating Requirements

This model is adept at handling extensive heating requirements, making it ideal for spacious homes, multi-room setups, and commercial applications. Whether it's underfloor heating, radiators, or providing a consistent hot water supply, the LG 12kW Therma V Monoblock excels in versatility. Its heightened energy efficiency not only supports sustainable living but also leads to substantial energy bill reductions, marking it as a prudent choice for eco-conscious and cost-aware property owners.

Ultra-Quiet Operation for Peaceful Environments

Despite its high capacity, the LG 12kW Therma V Monoblock operates remarkably quietly, ensuring that it doesn't intrude on the peace and tranquility of your space. Its discreet performance makes it suitable for environments where noise minimization is crucial, such as busy commercial settings or serene residential areas.

Advanced Connectivity for Effortless Control

Equipped with state-of-the-art Wi-Fi (optional) technology, this model allows seamless control and monitoring of your heating system through a smartphone. This smart feature adds a layer of convenience, enabling you to adjust and optimize your heating settings from anywhere, at any time.

Sophisticated and Elegant Design

The LG 12kW Therma V Monoblock is not just a functional heating solution but also a stylish addition to any property. Its modern and sleek design complements and enhances the aesthetic appeal of various settings, blending seamlessly with contemporary architectural styles.

Robust and Reliable

Constructed with LG's signature quality and durability, the Therma V Monoblock is built to endure diverse environmental conditions, guaranteeing long-term reliability and consistent performance.

Healthier Indoor Air Quality

The advanced filtration system of the LG 12kW Therma V Monoblock contributes significantly to a healthier indoor environment, purifying the air and making it more conducive to well-being.

Simplified Installation Process

The all-in-one monoblock design simplifies the installation process, allowing for quick and easy setup without the need for extensive structural modifications.

Ideal for:

  • Large Residential and Commercial Properties: Efficiently heats extensive spaces, providing comfortable warmth in every corner.
  • Environmentally Conscious Users: A great fit for those aiming to reduce their carbon footprint and energy expenses.
  • Tech-Savvy and Design-Oriented Individuals: Appeals to users who value the integration of advanced technology and sleek design in their heating solutions.


  • High Energy Efficiency: Leads to lower heating costs and energy usage.
  • User-Friendly Smart Control: Facilitates easy management via Wi-Fi (optional).
  • Quiet Comfort: Delivers powerful heating without the noise.
  • Aesthetically Pleasing: Enhances the look and feel of the space it occupies.
  • Durability and Performance: Offers reliable and long-lasting heating.

In summary, the LG 12kW Therma V 400V Monoblock Air to Water Heat Pump (HM123MR.U34) represents an optimal solution for large-scale heating needs, combining sustainability, advanced technology, and elegant design to provide a superior heating experience.

Installation Services for Heat Pumps & Air Conditioners

Enjoy comfort and efficiency with Klimatime, where we do more than just offering premium heat pumps and air conditioners. In partnership
with Instapro (MyHammer, Werkspot,, we help you with a seamless,
reliable transition to a better home environment, precisely tailored to your needs.

Quick and Competent Matching: Just a few clicks after your purchase, you'll receive a link to post your installation request. Within
24 hours, you'll be matched with top-tier installers in your area. Whether you're installing a water-based heat pump system, an air-to-air unit, or an air conditioner, our platform connects you with professionals offering competitive pricing, ensuring you receive the best service at the best price.

Assured Quality and Trust: Installers on the platform go through a rigorous selection process, including ID and background checks, skill evaluations, and reviews of their previous work. This vetting process make sure you receive service from experts who are not only experts in their field but also trusted by the community for their high-quality work.

Tailored Choices: Our partner provides you with the
information needed to make the best decision for your home. You'll have access
to installer profiles, customer reviews, and photo galleries of past projects, allowing you to compare and select the installer that best fits your requirements and budget.

Comparing Quotes: A key advantage of our service is
the ability to compare quotes from different installers in your area. This ensures you're fully informed about the cost of installation, which can vary
based on the project's specifics. Here are some approximate costs:

Approximate cost of installing*

• Air-Water Heat Pump: €3500 - €6400
• Air-Air Heat Pump / Air Conditioner: €1250 - €2000

*These prices are estimates based on average offer prices
on the market and may vary by installer and size of the project Please note that prices may exceed these ranges for larger projects

Comprehensive Support: If any issues arise, the dedicated helpdesks of MyHammer, Werkspot or are at your service, offering support and ensuring a smooth resolution.

Your Choice, Empowered by Klimatime: It's important
to clarify that while Klimatime assists in selecting the appropriate model of heat pump or air conditioner for your needs, the help with finding installers is carried out by our trusted partners. This collaboration ensures that the
total cost of a competitively priced heat pump or air conditioner from well-known brands on Klimatime, together with a competitive installation via our partner, presents an incredibly cost-effective solution compared to many
competitors in the market.

Don't forget that to be eligible for subsidies, it's crucial to have your heat pump or air conditioner installed by a qualified professional. Choosing a certified installer ensures not only optimal performance but also compliance with local regulations, making you eligible for potential financial incentives. Ensuring your installation meets all necessary standards for subsidy eligibility.

Available for customers in Germany (, The Netherlands (,
and France ( If you want help with finding installer in another country
within the EU, send us an e-mail at


Telephone support and advice on

German / English


Monday - Friday

9:00 a.m. – 11:00 a.m.

15:00 p.m. - 17:00 p.m

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