The laboratory of Solar Energetics and Building Physics (LESBAT) is part of the University of Applied Sciences Western Switzerland (HES-SO) (University Campus located in Yverdon-les-bains at HEIG-VD Engineering and Business School). Researchers of HES-SO / LESBAT are experts in building simulations, solar energy and life cycle assessment (LCA) for construction materials and buildings.

In the RIBuild project, researchers of HES-SO / LESBAT will mainly contribute to the development of cost/benefit analysis and environmental impact assessment methodologies. The methodologies are based on Life Cycle Impact Assessment (LCA), Life Cycle Cost (LCC) and Cost-Optimal (CO) analysis. This research includes:

  • evaluation of the energy-saving potential of interior insulation solutions depending on building practice
  • probabilistic Life Cycle Impact Assessment (LCIA) of the environmental impact of interior insulation solutions
  • determination of Life Cycle Cost (LCC) analysis and Cost-Optimal (CO) levels of minimum energy performance of internal insulation solutions.


In addition, HES-SO / LESBAT will also take part in i) the survey of case studies on renovation of historic building stock (focus on the Swiss context), ii) the characterisation of material property data for historic building materials and iii) the application of the probabilistic hygrothermal  assessment methodology.