TBS technology
Heating Technology
Air Conditioning Technology
Ventilation Technology
Sanitary Technology
Cooling Technology
Electrical Engineering
Building Automation
Media
Supply
TBS Services
Consulting & Conception
Planning &
BIM
Technical Building Services
Energy and Technical Building Services
Services
360° – Energy and technical building
Comprehensive full-service portfolio of the group
The KONZMANN Group is a dynamic alliance of powerful, experienced, and manufacturer-independent specialists in energy and building technology.
The extensive core competencies in all TBS trades, supplemented by innovative services, form the cross-company 360° range of services – from the initial idea, consulting and planning to installation, maintenance and service as well as energy-related services and technical operation. With this 360° service portfolio, the companies of the KONZMANN Group support their customers with holistic energy and building technology solutions on their way to a sustainable energetic, ecological and economic future.
We call this: TBS . ALL IN ONE.
KONZMANN Group
Holistic energy & building technology that connects
With a tradition dating back to 1921 and over 30 locations nationwide.
The KONZMANN Group stands for innovative, sustainable solutions in energy and building technology – from a single source.
Discover how our four divisions, strong network and more than 1,100 specialists provide holistic support for the life cycle of buildings and systems. With firm values, sustainable growth and visionary leadership, we work together to create sustainable solutions for buildings, energy and society.
Discover our strengths – and shape the future with us!
Four Divisions. United Expertise.
Four divisions. Connected expertise. Everything from a single source.
Our four functional divisions with a geographical focus – Engineering, Cooling Technology, Electrical Engineering and Technical Building Services (TBS) – combine expert knowledge and offer customized, innovative and sustainable solutions for all areas of energy and building technology.
Take advantage of the combined expertise of our experienced specialists from the divisions for your project. Our high-performance structure enables maximum customer focus and fast response times. Benefit from comprehensive advice, planning and implementation – all from a single source.

The Group’s Companies
21 companies. One group. Full expertise.
The KONZMANN Group consists of 21 independently operating, medium-sized companies with a strong focus on craftsmanship. Deeply rooted regionally yet closely connected, they offer comprehensive expertise in energy and building technology – from consulting and planning to installation and service. Get to know our companies and benefit from short distances, individual support and innovative, sustainable solutions – all from a single source.
KONZMANN Group – TBS . ALL IN ONE
Regionally rooted. Nationally networked. Strong in partnership.
The KONZMANN Group is a traditional, medium-sized group of companies that unites specialists in energy and building technology. With over 30 locations nationwide, we offer comprehensive 360° services from a single source — from conception, consulting, and planning including BIM, to installation, service & maintenance, as well as energy-related services and technical operations.
Our four divisions – Engineering, Cooling Technology, Electrical Engineering and Technical Building Services (TBS) – combine expert knowledge for customized solutions. Our core competencies include heating, air conditioning, ventilation, sanitary and cooling technology as well as electrical engineering, building automation (I&C) and media supply technology.
Our strength: The special feature of the KONZMANN Group is the combination of regionally rooted, independently operating subsidiaries and a close-knit network of high-performance specialists. As a customer of our companies, you benefit from short distances, fast response times and partnership-based cooperation on an equal footing. Our companies combine their expertise to realize innovative, sustainable and tailor-made solutions for private, commercial, industrial and public clients.
With around 1,100 employees, the companies in the KONZMANN Group offer a comprehensive range of services covering the entire life cycle of buildings and systems – from conception, consulting and planning to installation, maintenance and service as well as energy-related services and technical operation. Together, we are shaping the energy future – responsibly, efficiently and always one step ahead.
KONZMANN Group – TBS . ALL IN ONE. For buildings, energy, and society.
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* Total performance KONZMANN Group
HIGHLIGHTS and other Topics

PARTNERSHIPS
The KONZMANN Group enters into partnerships with forward-looking, strong TBS companies. Whether succession or growth – together we shape the future at eye level.

The KONZMANN Group actively takes responsibility for the environment, society, and responsible corporate governance – with clearly defined ESG goals and consistent measures.

The management board and executive leadership of the KONZMANN Group combine experience, entrepreneurship, and vision. Get to know the individuals who, as a team, shape and drive the strategic direction of the corporate group.