Project Description

Bosch Industriekessel and Bosch KWK Systeme are part of the globally active Bosch Group. These two companies, which together make up the Large Plant business area of Bosch’s Thermotechnology Division, offer energy-efficient system solutions capable of meeting virtually any customer requirement. Prior to mid-2012 the companies sold and marketed their products under the LOOS and KÖHLER & ZIEGLER brand names, but have now pooled their strengths and are operating as Bosch.

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About Bosch Industriekessel

Located in Gunzenhausen in northern Bavaria, the company has been offering innovative large-scale and industrial boilers for all commercial and industrial applications for more than 145 years. Our customers benefit from project-specific solutions, advanced products and extensive expertise in the area of industrial boiler technology.

At modern production facilities in Germany and Austria we manufacture over 1,500 boiler systems annually. Our product range comprises steam boilers with an output range from 175 kg/h up to 55,000 kg/h. Furthermore, we produce hot water boilers for power ranges of up to 38 MW and heating boilers up to 19.2 MW. Our boiler house components in modular technology can be used individually and simplify the planning, construction and operation of the boiler systems. We also offer a comprehensive range of services to complement our product portfolio.



Bosch Industriekessel is respected worldwide as a specialist supplier of boiler systems in all sizes and performance categories. For over 145 years we have been innovating in the area of industrial boiler construction.

Expertise and experience

Benefit from our experience and innovation: Since our founding in 1865 we have specialised in industrial boiler construction and amassed extensive specialist know-how. Innovation, quality-consciousness and efficiency are the criteria on which we base our range of products and services. Thanks to our high degree of specialisation, we are now a leader in our field.

Achieving the optimum solution by working together

Trust and openness between partners are the most important preconditions for mutual success. As a leading manufacturer of innovative boiler technology, we decided early on to distribute our products through specialised companies. Thanks to close cooperation with your particular specialist company, you achieve the optimum solution for your special requirement.

Environment and efficiency

As a responsible and innovative boiler manufacturer, we are systematic in protecting the environment and conserving natural resources. Our sustainable and efficient systems keep CO2 emissions low and contribute to slowing the pace of climate change. Our modular boiler house components allow further reductions to be achieved in the consumption of resources.


Bosch boiler systems are characterised by reliability and a long service life. The high quality of our systems is guaranteed thanks to cutting-edge production machinery, strict quality controls and continuous improvement and innovation.

Perfectly coordinated components

We offer seamless modular solutions across our entire boiler range. Product dimensions and equipment levels are tailored to the customer’s individual needs, and a wide range of options and variants are available. Their high-quality design ensures that acceptance proceeds without a hitch. In addition, our modular technology simplifies the planning, construction and operation of new boiler systems as well as the modernisation of old systems.

High-performance solutions from a complete system supplier

Alongside innovative boiler system technology, the ideal energy concept frequently includes additional important components such as combined heat and power, heat pumps or solar thermal energy. As a company within the Bosch Group, we have access to an extensive range of additional system solutions in thermal technology. This enables us to combine different technologies and to implement these for your benefit.