Our solutions are deployed around the world in research, development, production and quality assurance of numerous products. Our experts from 23 companies are at your service in 18 countries, ready to provide support to ensure high operational reliability of your systems.
Weiss Umwelttechnik is one of the most innovative and significant manufacturers of environmental simulation systems.

Weiss Technik,

Weiss Technik is the market leader and one of the most innovative manufacturers of environmental simulation systems. With these testing systems, we can simulate all climatic conditions around the globe and beyond, under accelerated conditions. Whether temperature, climate, corrosion, dust or combined shock testing: We have the proper solution. We supply systems in all sizes, from standard versions up to customised, process-integrated facilities – for high reproducibility and precise test results.

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Weiss Technik,

With an experienced team of engineers and designers, we develop, plan and produce high-quality and reliable heating technology systems for virtually any field of application. Products include heating/drying ovens, clean room drying ovens, hot-air sterilisers, microwave systems and industrial ovens. The portfolio reaches from technologically sophisticated standard versions to customised solutions for individual production operations.

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Air Solution,
Weiss Klimatechnik

A further Weiss Technik company, Weiss Klimatechnik, also offers reliable climate solutions wherever people and machinery are challenged: in industrial production processes, hospitals, mobile operating tents or in the area of IT and telecommunications technology. As one of the leading providers of professional clean room and climate solutions, we deliver effective and energy-saving solutions. Our experts will guide you from the planning to the implementation of your projects.

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Air Solution,
Weiss Pharmatechnik

Weiss Pharmatechnik, a subsidiary of Weiss Klimatechnik, is a competent provider of sophisticated clean room and containment solutions. The product range includes barrier systems, laminar flow facilities, security workbenches, isolators and double door systems. The company emerged from Weiss GWE and BDK Luft- und Reinraumtechnik and has decade-long experience in clean room technology.

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Weiss Technik in numbers



Mission Statement


Weiss Technik - a schunk company

Schunk is a globally active technology group. Our expertise in the fields of materials and mechanical engineering provides a major boost for industries around the world. Schunk pursues profitable growth as well as independence and thinks long-term. We are characterized by diversity and mutual respect: As a team, we succeed.

Passion for technology

We are competent and idea driven. This makes us an innovative technology leader and keeps us one step ahead.

We are pragmatic

We provide rapid solutions and deliver efficient results. In doing so, our approach is entrepreneurial and collaborative.

Focus on the customer

We empower our customers on their road to success. Together, we make a significant contribution towards a sustainable future.

Successful together

Diversity and mutual respect are our hallmarks - both internally and towards our clients.

An introduction to the senior management


Peter Kuisle

Managing Director of Sales and Service
Weiss Technik GmbH


Peter Kuisle was born in Mindelheim in the Unterallgäu region of Southern Germany in 1960. During his studies at Stuttgart Media University, he went on an eight-month practical placement in Japan. After graduating as an industrial engineer, he worked as a project manager at Eurografica Exportförderungs-GmbH – first in Munich and later in Kuala Lumpur, Malaysia.

Upon his return to Munich in 1991, he became the Managing Director of Eurografica Systemplanungs-GmbH after the company was bought by MAN Roland AG. In 1998, Peter Kuisle took up a new position as the Worldwide Head of Sales of the MAN Roland Group in Augsburg. From 2000 onwards, he also had a number of management positions at the MAN Roland Group, a leading manufacturer of printing machines.

From 2012 to 2013, he was a member of the Board of Management and was responsible for Sales, Service and Marketing at the newly founded company manroland web systems GmbH.

Since 2013, Peter Kuisle has been Managing Director of the area of Sales and Service for the Environmental Simulation Business Unit at Weiss Technik. Alongside environmental simulation, this BU also includes the area of heating technology.

Dr. Daniel Allendorf

Managing Director of Technology and Administration Weiss Technik GmbH


Dr. Daniel Allendorf was born in 1984 in Ostercappeln near Osnabrück. He completed a dual study in vehicle construction and trained as a technical draftsman at Karmann GmbH at the same time. There he worked mainly in full vehicle testing.

In 2010, Dr. Allendorf moved to the Institute for Automotive Engineering Aachen, where he held various positions in the powertrain department and at last worked as team leader for design, prototyping and powertrain testing. At the same time, he completed an international master's degree and got a doctorate in the field of transmission engineering.

Since 2016, he has worked at IBS Filtran GmbH, which is part of the Filtration Group, as Head of Design.

In 2019, Dr. Allendorf joined the TREIF Group, a leading manufacturer of cutting equipment for the food industry. He initially worked there as CTO and took over as Managing Director when the company was transferred to Marel hf.

Since 2023, Dr. Daniel Allendorf is Managing Director of the Weiss Technik companies and responsible for the business areas Technology and Administration of BU Environmental Simulation. In addition to the BU ES division, this also includes the division Heat Technology.

Dirk van Manen

Managing Director of Sales and Service
Weiss Klimatechnik GmbH


Dirk van Manen was born 1965 in Veenendaal (Netherlands). After completion of a technical education in electrical engineering he studied several degree programmes in air-treatment, electronics and management. During this period he gained professional experience at Lennox - first as Sales Manager and later as Service Manager. In 2003 he joined Emerson Network Power as BU-Manager Air Solutions and in 2006 he established the Benelux office for Ziehl-Abegg and was appointed as Managing Director.

During 2012 he moved to the Schunk Group as Director of Weiss Technik Nederland. Since 2017 Dirk van Manen is Managing Director of the divisions sales and service of the Business Unit Air Solution of the Weiss Technik company

Andreas Rohe 

Managing Director of

Weiss Pharmatechnik


Andreas Rohe was born in Olpe, North Rhine-Westphalia, in 1989. During his industrial engineering studies at the University of Siegen, he completed a 12-month stay in China. After graduating with a Master of Science, he worked as a project manager for factory planning at the management consultancy firm MPC Munschek Process Consulting.

In 2019, he joined the Schunk Group as a management consultant. Since 2021, Andreas Rohe has been Managing Director of Weiss Pharmatechnik GmbH, based in Oldenburg. He is responsible for the Pharma division within the Weiss Technik companies.

Combined competence - global presence

The company Weiss Technik consolidates the expertise of four strong brands in the fields of environmental simulation, heating technology, air-conditioning technology and clean air and containment solutions. The weisstechnik®, vötschtechnik®, fitotron® and S!MPATI® brands represent high-quality standard products, customised special solutions and qualified services.


The weisstechnik brand is renowned for its leading solutions in the fields of environmental simulation, heating technology, air-conditioning technology and clean air and containment systems.

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Weiss Technik's Heat Technology team develops and produces industrial heat technology solutions for a wide range of industries under the vötschoven brand.

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Vindur means wind. This Icelandic name encapsulates the new product brand from Weiss Klimatechnik: just as the wind has shaped the unique climate of Iceland since time began...

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The product brand fitotron® offers plant growth cabinets and chambers for research laboratories and development departments.

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The S!MPATI® brand is known for its special software solutions for simulation units and drying and heating cabinets and ovens.

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