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Ecovativ since 1927.

MHG - three letters for economy,

quality and innovation.


All about us

Heating up to date

State-of-the-art heating technology

MHG Heiztechnik is one of the leading German manufacturers of high-quality heating technology systems and components for oil, gas, ambient heat, solar and hybrid heating systems. With our top-class heating products we offer our national and international customers a wide range of products for the ultimate in cosiness, convenience and reliability. At the same time, MHG's modern premium heating technology with optimised energy efficiency also guarantees home-owners and plant operators exceptionally low heating costs, whilst protecting the environment.

MHG Heiztechnik is a company with decades of experience. Originally part of the MAN Group, since October 20005 we have been an independent company managed by shareholder Julian Bonato. With our partner, Haspa Beteiligungsgesellschaft für der Mittelstand mbH, we have a financially strong and long-term oriented partner at our side.

We have a Germany-wide network of service and sales offices, as well as numerous sales representatives. This ensures the comprehensive provision of advice and support to our partners in the heating technology sector.

In addition to German markets, MHG Heiztechnik and its products are also present in more than 35 markets throughout the world, including Switzerland, Austria, Italy, Greece, Turkey, Lebanon, Belgium, France, UK, Ireland, Russia and China.

The MHG product range includes:

  • blue-flame oil units with outputs from 34 to 90 kW
  • blue-flame condensing oil units with outputs from 15 to 60 kW
  • oil condensing/heat pump hybrid systems from 15 to 22 kW
  • gas units with outputs from 15 to 82 kW
  • gas condensing boiler in both wall and floor-mounted versions with outputs of 3 to 900 kW
  • gas condensing boiler/water pump hybrid systems (gas condensing boiler 7.7 to 24.8 kW modulation and air/water inverter heat pump 3.1 to 10.5 kW modulation)
  • Hybrid heat stations
  • Heat pumps (air/water and brine/water appliances) with outputs ranging from 5.2 to 40.9 kW
  • Heat pump hybrid systems with outputs ranging from 15.3 to 40.9 kW
  • Blue-flame burners (Rocket Burner®) for boiler outputs ranging from 15 to 315 kW for operation with heating oil
  • Yellow-flame burner for boiler outputs ranging from 13 to 1,450 kW for operation with heating oil
  • Combi-burner for boiler outputs ranging from 120 to 15,000 kW
  • Forced-air gas burner for boiler outputs from 13 to 15,000 kW
  • Thermal solar systems with high-performance flat-plate collectors
  • Hot water tanks with volumes ranging from 120 to 2,000 litres
  • Plastic flue-gas systems

All products are developed at MHG's own test plant and mainly manufactured at the company headquarters in Buchholz. They do not leave the factory until the successful completion of a heat test.

Our company is certified by Germanischer Lloyd in accordance with DIN ISO 9001:2015-11, and operates systematic quality management on this basis.

In addition, in January 2005 we received an industrial safety award from the City of Hamburg's industrial safety department in recognition of our exemplary industrial safety regulations.

MHG Heiztechnik will continue to maintain its extremely high quality standards and invest in research and development to set benchmarks for energy-efficient and eco-friendly heating.

For queries and further information, please do not hesitate to contact us.
MHG Heiztechnik GmbH | Brauerstraße 2 | 21244 Buchholz i. d. Nordheide
Phone: +49 4181 23 55-0 | Fax: +49 4181 23 55-191 | E-Mail: