effiziente.st Energie- und Umweltconsulting e.U.

effiziente.st is research oriented entity with a licence for mechanical engineering and energy efficiency assessment. Since 2008 it sets up and manages projects in the domains of energy informatics, sustainable mobility and logistics. The main value is the list of over 100 patent filings where new solutions may be derived from. The office may host a test environment for renovation of historical buildings.