Prof. Dr.-Ing. Hartwig M. Künzel has been head of department at the Fraunhofer-Institute for Building Physics in Germany since 1994. He is an expert in building physics, specialising in heat and moisture transfer in building materials, envelope assemblies and whole buildings.

Künzel is an ASHRAE Fellow and has been principal reviser of Chapter 25 of the internationally renowned ASHRAE Handbook of Fundamentals. He is also an International Honorary Member of SHASE, the Japanese Society of Heating, Air-Conditioning and Sanitary Engineers.

He teaches “climate-adapted design” and “indoor climate” as an honorary professor at the University of Stuttgart and has been appointed Adjunct Professor at the University of Tasmania (UTAS). He holds several patents and has published more than 450 scientific articles in international trade journals, conference proceedings and textbooks.