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Ecovativ since 1927.

MHG - three letters for economy,

quality and innovation.


MHG Heiztechnik at a glance

Ecovativ since 1927

MHG Heiztechnik GmbH is an independent company managed by Frank Schellhöh and Julian Bonato. With Haspa Beteiligungsgesellschaft für der Mittelstand mbH, we also have a financially strong and long-term oriented partner at our side.


Julian Bonato, Frank Schellhöh

Registered place of business:


Subscribed capital:
€5.3 million

Intercal Wärmetechnik GmbH, Lage/Lippe
MHG Heiztechnik (Switzerland) GmbH, Krummenau

Number of employees:

Market position:
One of Germany's leading suppliers of high-quality heating technology with a comprehensive range of especially energy-saving, eco-friendly components and heating systems for oil, gas, heat pumps, hybrid systems and solar energy.

Market presence:
includes Germany, Switzerland, Austria, Italy, Greece, Turkey, Lebanon, Denmark, Belgium, France, Great Britain, Ireland, Poland, Romania, Serbia-Montenegro, Slovenia, Hungary, Russia, China and New Zealand.

Certified to:
DIN EN ISO 9001:2008

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: