AIRTECH TGA GmbH & Co. KG is taken over by Zimmer & Helbig GmbH

AIRTECH TGA GmbH & Co. KG is acquired by the air-conditioning technology specialist Zimmer & Hälbig GmbH. VR Equitypartner (VREP) is supporting the growth of its portfolio company with this transaction.

Steinbeis M&A, led by Ulrich Praßler, prepared the process on behalf of the seller and accompanied it to the end.


Airtech is an experienced service specialist in the field of reliable maintenance and servicing of modern ventilation systems.

Airtech’s specialists serve customers from the public sector, medical technology, healthcare, industry, and food technology. The high level of expertise in the cleaning of particularly polluted ventilation systems such as systems in commercial kitchens with grease residues or police firing ranges with high levels of propellant powder.

Airtech was founded in Neuhausen ob Eck in 1993 and expanded and modernised at its new site in Tuttlingen in 2018.

About VR Equitypartner

Logo VR Equitypartner

VR Equitypartner is one of the leading equity financiers in Germany, Austria, and Switzerland. The company supports medium-sized family businesses in a targeted manner and with decades of experience in finding strategic solutions to complex financing issues.

As a subsidiary of DZ BANK, the central institution of the cooperative banks in Germany, VR Equitypartner consistently prioritises the sustainability of corporate development over short-term exit thinking. VREPs portfolio currently comprises around 60 commitments with an investment volume of EUR 400 million.

About Zimmer & Hälbig GmbH

Zimmer & Hälbig is a leading provider in the planning, installation and maintenance of refrigeration, air conditioning and ventilation technology in the DACH region. Its particular expertise lies in the areas of public buildings, the healthcare sector, clean room technology as well as energy consulting and energy refurbishment.

Founded in Bielefeld in 1974, the company employs around 280 people at its sites in Bielefeld, Leipzig, Cologne and Osnabrück. In October 2022, VREP acquired a significant minority stake in Zimmer & Hälbig as part of a company succession solution. At that time, both companies had already announced a stronger expansion course – also through inorganic growth and the consistent implementation of a platform strategy.

About Steinbeis M&A

Steinbeis M&A offers its clients a comprehensive and professional range of consulting and services in the areas of (1) Mergers & Acquisitions, (2) Buy-and-Build, (3) Strategy and (4) Financial Advisory. Clients are in particular medium-sized entrepreneurs, companies and also larger groups at home and abroad. Steinbeis M&A currently has 14 partners who have completed well over 200 successful transactions completed in recent years. Steinbeis M&A is part of the Steinbeis Group (, one of the leading service providers for consulting and technology transfer in Europe.

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