E4tech works in partnership with other organisations to develop software tools for sustainable building applications.

Please visit the different presentation pages:

• Lesosai 5.7 - 6.0: Thermal energy balance calculations (Switzerland, Italy, Luxembourg and CEN calculations)
   
• USai, a free software.U-Value following EN ISO 6946 and SIA 180
   
• ECAT 6.0 : Thermal energy balance calculations, SBEM for building regulations compliance throughout the UK
   
• MaterialsDB.org: a tool for facilitating information exchange between building material providers and building physics softwares
   
• Radiaconf 1.1: Thermal comfort analysis
   
• Hoda 2.0: Software and database developed within the EU project HOPE