Becker Case_Inhouse


Efficiently generated energy gets used efficiently!
VASF for 5kW+ fuel cell systems

Inhouse Engineering is one of the German pioneers in stationary fuel cells (CHP). Furthermore, they specialize in offering building automation and energy management systems in Berlin, and Brandenburg, Germany. It is worth mentioning that despite the size of their company, Inhouse Engineering develops their own CHP fuel cell systems to provide an ecological energy management solution for their customers.



“Our mission:
efficiently generated energy get used efficiently.”

Christoph Hildebrandt

Managing Director





Company Details
inhouse engineering GmbH

Building automation and energy management systems and fuel cell CHP systems

As Inhouse Engineering saw the potential of stationary fuel cells back in 1998, they intended to become a so-called „system integrator“, sourcing finished parts and assembling them to an FC. However, they quickly found out that it was not realistic, as many of the key components were not available. So, firmly believing in the future of FC technology, they took the stony path and decided to develop FCs themselves. Today, Inhouse Engineering is probably the only company that installs their cell stack into their FC and the only manufacturer of a 5 kW class CHP system in Germany.


Their customers range from system providers, public sectors, private complexes to private houses. Today, 15 systems are working 24/7 in Germany, setting milestones in the field of green energy. „If the German government wants to achieve 2050 CO² goals, we have to start applying this technology not only to automobile sectors but also to stationary FCs as well very soon.“ Christoph Hildebrandt points out.


Our inhouse5000+ is efficient, quiet and easy to install. Furthermore, our system has less CO² emission compared to motor run CHP.“ Christoph Hildebrandt, Managing director

Forming the partnership

Partnership with Becker already started back in 2010. R&D Manager from Inhouse Engineering Mr Beckmann met former R&D director of Becker at an exhibition.

“Still today, we are pleased with our cooperation with the Becker team. As we have launched our inhouse 5000+, we took advantage of the integrated volume flow control of VASF. It contributed to improving the overall and, in particular, electrical efficiency. Becker truly understands the technical needs of stationary fuel-cell systems and brings us their expertise in the field of blower technologies.” Christoph Hildebrandt points out.


Worth every penny for efficiency increase

Thanks to the integrated volume flow control of Becker’s VASF blower, the overall efficiency of FC systems can improve significantly. Geting rid of conventional mass flow meter not only means saving part cost, but even more importantly, eliminating an element causing pressure loss inside FC systems.


Higher efficiency in FC systems is one of the essential requirements, and it is worth every engineering effort that contributes to improving this. Furthermore, VASF’s exceptionally compact and modular design helps easy system integration, as FC is often challenged with limited space.

Becker Case_Inhouse_Products

Becker Technology inside:

The VASF2 blowers, an achievement of 135 years of innovation in vacuum pumps and compressors.



The success story as a PDF