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Classen Apparatebau Wiesloch GmbH –
the true and genuine Wiesloch heater specialists

“High achievement always takes place in the framework of high expectation.” – Charles F. Kettering

The history of Apparatebau Wiesloch began at the end of the 1960s. The technical advantages of mineral heat transfer oils over steam – in particular, virtually pressure-free system operation at operating temperatures of up to approximately 350 °C / 662 °F – led to the increasingly widespread use of this technology worldwide.

Even at that time, a comprehensive product portfolio was developed around the successful KONTAKTOMAT® three-pass heater fired with fuel gases and heating oils and manufactured in Wiesloch: electric heaters, process heat exchangers, evaporation plants, thermal exhaust air and gas purification systems, waste heat recovery systems and associated purification equipment, water preheaters, evaporators, air heaters and steel chimneys. After just a few years, “systems from Wiesloch” were already in use in over 40 countries. At the beginning of the 1990s, Apparatebau Wiesloch GmbH ceased trading.

Then, in 1998, a whole new era began: Norbert Classen, Claus Albrecht and Hans-Raymund Roos founded the company Classen Apparatebau Wiesloch GmbH – which, after nearly 28 years in the market, is affectionately known as ‘CAW’ by customers and business partners all over the world – in order to resume direct sales of the popular and proven Wiesloch products.

Industrial combustion and heat transfer

“Price is what you pay, value is what you get.” – Warren Buffet

Our understanding of our clients’ specific challenges, combined with our expertise in the design and construction of complex custom systems – along with advanced solutions, comprehensive engineering services, and the highest level of reliability, robustness and durability of our systems – as well as our team’s unwavering passion for sophisticated and forward-thinking engineering made in Wiesloch, ensure that we quickly achieve the success we deserve in direct competition with established manufacturers in the market.

With our four primary areas of application – high-temperature process heating technology, industrial combustion technology, decentralized power generation using ORC technology, and thermal exhaust air and gas purification – we have been operating successfully worldwide since our founding and are now a leading provider of consistently customized, complete system solutions “Made in Germany”. We offer a comprehensive range of services, from feasibility studies, the preparation of planning and permitting documentation, and the manufacture of the system components, all the way through to the handover of the complete turnkey system.

Long-standing strategic partnerships with well-renowned and industry-leading companies also enable us to provide a very comprehensive portfolio of services from a single source across numerous industries.

Classen Apparatebau Wiesloch GmbH has been an owner-managed and completely independent company since the day it was founded. At the end of 2020, all three shareholders retired to enjoy their well-deserved retirement, and management of the company is now in the hands of Katja Roos and Christian Schnadt.

More about us

Annex

History

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Partner

CAW exhibition stand

Trade shows

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