Institute for Energy Systems IES
Therm. & El.
Energy Systems
Heat Pump Test Center WPZ Buchs

About us

The Institute for Energy Systems IES employs approximately 30 researchers and engineers in the areas of thermal energy systems, electrical energy systems, and the Wärmepumpen Testzentrum WPZ.

[Translate to English:] IES-Team 2019
[Translate to English:] IES-Team 2016
[Translate to English:] IES-Team 2014
[Translate to English:] IES-Team 2011

In addition to the daily research activities for local small and medium-sized enterprises (SMEs), the Institute for Energy Systems at the NTB also has a teaching position. Of the 30 employees, 3 professors and 1 lecturer teach in the bachelor's degree in system engineering and in the Master's degree course MAS Energy Systems.


Prof. Stefan Bertsch, PhD
Head of Institute for Energy Systems IES
Professor for thermodynamics and refrigeration

Phone:      +41  81 755 34 69
Mail:           stefan.bertsch(at) 



Prof. Kurt Schenk, PhD
Course director Master of Science in Engineering MSE
Professor for power electronics

Phone:      +41  81 755 34 73
Mail:           kurt.schenk(at)


Information about the Institute IES

Collaboration & Projects