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About us


The HDH – engineering company for building services Ltd. combines the skills and experiences of the engineering office Honisch + Dummler as well as those of the engineering office of Honisch and can look back at 20 years of successful project realization history in Germany as well as abroad.    

The engineering company Honisch + Dummler was founded in 1991 as an office for electrical engineering by the name-giving people Juergen Honisch and Juergen Dummler.

Over the past business years, the office developed itself into a multi-disciplinary engineering company and is able to offer the particular areas of technical building services.

A trustful and binding co-operation with the customers is one of the important parameters which has a major influence on the successful development of the company within the last 20 business years.

Innovative, economical and high-quality solutions are as natural as the company’s firmly fixed quality management.

The engineering company Honisch + Dummler is also certified according to DIN 14675 and is entitled to carry out plans for fire alarm systems.


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