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More than

01.06.1991 - founding

Official date of Foundation of Oehler Regeltechnischer Service GmbH as a building automation company by Olaf Oehler and Raimar Fiehn. Even then with the aspiration to provide individual and complete solutions to our customers.

To the year 2000

The phase up to the early 2000s is characterized by the ongoing development of the company and continuous growth.

2001 - certification

First time certification of the international quality management norm DIN EN ISO 9001.

2004 - new business premises

Our office has become undersized. We obtain our new business premises located in Gewerbering 7 in Crimmitschau. With the introduction of our new facility management division, we extend our range of services alongside classical building automation.

2012 - extension building

We enlarge our business premisses with an extension building. With solutions in energy management and optimization, we also expand our service portfolio.

2013 - more than 40 employees

The company meanwhile has more than 40 employees, who generate an annual turnover of €5 million.


We won the contract for the prestige project Grand Tower Frankfurt, which to date represents one of our most complex and largest projects in the field of building automation.

2020 / 2021

Even in the times of the Covid19 pandemic the Oehler Regeltechnischer Service GmbH assert oneself. The number of employees and the annual turnover continue to increase. Short-time work can also be waived.

Contact us if you have any questions

You can contact us at any time via email. One of our employees will take care of your request immediately.

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Oehler Regeltechnik GmbH

We are professional providers with more than 30 years of experience and offer control, control cabinet, software, building control technology and system support from a single source.