About Bosch KWK Systeme

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Bosch KWK Systeme GmbH in Lollar

is the Bosch Thermotechnik competence centre for combined heat and power systems. For over 30 years, this German company has developed and built both standardised and customised CHP modules. Alongside their high-performance products, Bosch KWK Systeme offers an extensive range of services, from initial analysis through to commissioning and maintenance.

Company history from 1983 until the 21st century:

  • 1983

    Formation of the sales organisation Köhler & Ziegler OHG. Planning and engineering takes place at the engineering firm Köhler, while design and construction take place at Ziegler Metallbau.

  • 1984

    Köhler & Ziegler make an important contribution to the development of the legal framework for setting limits – the 1/2 TA Luft (a German air-quality regulation).

  • 1986

    Purchase and renovation of new premises in Lollar to expand the office and production space.

  • 1999

    Certification in accordance with ISO 9001 and EU EMAS (Eco-Management and Audit Scheme).

  • 2001

    With the combined cold-heat-and-power generation, Köhler & Ziegler also offers the option of air conditioning.

  • 2008

    Köhler & Ziegler supplies Bosch Thermotechnik GmbH with CHP systems in the smaller and medium-sized output range.

  • 2010

    Bosch Thermotechnik GmbH acquires Köhler & Ziegler Anlagentechnik GmbH.

  • 2011

    Köhler & Ziegler Anlagentechnik GmbH changes its name to Bosch KWK Systeme GmbH.

  • 2012

    Bosch KWK Systeme sells their systems under the Bosch brand.

  • 2013

    Anniversary: 30 years of experience in the combined heat and power sector.

  • 2015

    A compressed air and heat unit that is powered by natural gas is added to the product range.