For a sustainable impact: Thermal building physics.

WTM Engineers supports clients and architects in developing sustainable buildings, in particular those with energy-optimized facades that guarantee low energy consumption levels, optimal sun protection, and an outstanding indoor ambiance.

Our engineers’ long-standing experience and the variety of thermal simulation methods they use enable us to find solutions even for complex tasks under difficult conditions.

Our thermal building physics services.

WTM Engineers offers the following thermal building physics services:

  • Development of energy and solar protection concepts
  • Advice on energy concepts for residential and non-residential buildings
  • Economic feasibility assessment of energy concepts
  • Advice on sustainability issues with reference to obtaining German Sustainable Building Council (DGNB) certification
  • Certification as per the German Buildings Energy Act (GEG) including certification of energy saving for residential and non-residential buildings
  • KfW certification for residential and non-residential buildings
  • Certification/documentation of thermal insulation in summer
  • Calculations for thermal bridges
  • Thermal simulation
  • Air barrier concepts
  • Random test checks during construction


Shipbuilding hall in Kiel


European XFEL research facility

European XFEL headquarters

International School Hamburg

Should you have any questions or require further information on one of our services …

… then simply send an email to