Project advisor


The Steinbeis-Innovationszentrum energieplus, siz energieplus is specialized in research and demonstration work on innovative energy efficient building solutions in the field of renewable energies, energy conservation in buildings and rational use of energy. siz energieplus (former SIZ EGS) and team got several prizes such as the German Solar Price 2008 and the European Solar Price 2015. It is headquarted in Stuttgart and part of the Steinbeis Transfer Network which is an international service provider in technology and knowledge transfer with nearly 1.000 independent Steinbeis Enterprises.

Siz energieplus is the technical project advisor for the German demo case in the CULTURAL-E project.

Dr. Boris Mahler

Leader of SIZ EGS. Diploma in Mechanical engineering, PhD on “Large-scale solar district heating with seasonal storage”. Fields of expertise are company management, project management, energy conception, sustainability assessment and optimizing operations. He has additional qualifications as official expert EnEV, DBNB Auditor, experts group “comfort” of DGNB.

Boris Mahler

Leader of SIZ EGS

Simone Idler

Diploma in Architecture, Master of Science in Sustainable Energy Competence. 10 years of experience in energy design and has worked within a number of EU-Projects and national funded research projects. Fields of expertise are energy concepts and studies concerning climate neutral energy supply and LCA of buildings including grey energy demand.

Simone Idler

Energy designer

Dr. Hermann Leis

Diploma in Process engineering, PhD on “Optimization of a Solar processing unit for Cocoa”. Fields of expertise are energy concepts, renewable energy, indoor climate and comfort concepts, dynamic building and system simulation, ventilation technologies.

Hermann Leis

Process Engineer