Our solutions are deployed around the world in research, development, production and quality assurance of numerous products. Our experts from 22 companies are at your service in 15 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 R. Manolopoulos

Member of the Schunk Group senior management (COO)


Peter R. Manolopoulos was born in Wuppertal, Germany in 1969. After studying business economics at the University of Münster (WWU), he initially worked for a management consultancy before moving to Babcock Borsig AG in 2000.

From 2002 onward, Mr. Manolopoulos occupied several executive positions with the GEA Group AG, a globally active German machinery and system manufacturer, where his final position was managing director of GEA Energietechnik GmbH.

In 2011, he became director of operative business at Roth & Rau AG, a leading machinery and system manufacturer in the solar industry.

Since 2013, Mr. Manolopoulos has been a member of the senior management of the Schunk Group and responsible for the Weiss Group and Schunk Sonosystems divisions within the company 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.

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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The traditional brand vötschtechnik is renowned for its innovative and reliable solutions in the fields of environmental simulation and heating technology.

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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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