Energy solutions

since 1996

Energy efficiency is the goal - guaranteed!

BES BuildingEnergySolutions GmbH, formerly IMMOSOLAR Group, was established in 1996. Since then the company has sought to develop, manufacture and sell renewable energy systems for heating and cooling in a sustainable way. The company's core values is to achieve the highest energy efficiency, as well as the supply of sustainable, secure and affordable energy based on renewable energies. Among others, the company has been awarded the Energy Efficiency Prize EOR 2007 for its pioneering work.

With our partners, certified planners and architects, we design highly efficient energy systems that we make reality with experienced system partners and specialist companies. Our innovative technology, all from a single manufacturer, allows us to set new benchmarks for sustainable dwellings. We are able to assist our clients throughout the entire process - from the initial concept right through to the commissioning of the final system. Even after the project is finished, we support the client with our extensive technical knowledge via the official customer service.


Our future-oriented projects - some spectaculars, like the IBA-Dock at the International Building Exhibition un Hamburg (IBA) - have consolidated our reputation as an internationally leading supplier of intelligent integrated energy solutions.


100 Mio.+


Years of innovative
energy solutions
of CO2 savings