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Resource: Database of best practice examples of Energy intelligent retrofitting projects from 10 countries

Name of organisation: IEE project "EI Education" reviewed by SABO (SW)

Type of ressource: case studies/ best practice

Addressed barriers:

  • technical
  • skills/ knowledge gap
  • managerial
  • low motivation

Addressed users:

  • building owner
  • O&M staff
  • design team
  • project manager
  • public decision maker


  • English

Process stage:

  • pre- design phase (appraisal and strategic briefing)
  • design phase (project briefing)
  • call for tender phase
  • construction phase (construction briefing)
  • maintenance and repair phase


Project Management Capacity Building Thermal Insulation Windows and Shading Air Tightness Environmental Design Solar Photovoltaic Solar Thermal Other Renewables Heating and Hot Water Cooling Ventilation


In the frame of the IEE EI-Education project, 62 best practice examples of energy efficient retrofitting of buildings were collected. The best practice examples are all social housing or municipality owned housing for low income groups.
Examples from the following countries have been selected:

Country Number of collected best practices:
Austria 11
Bulgaria 8
Denmark 10
France 9
Germany 1
Lithuania 1
Netherlands 9
Slovenia 11
Sweden 1
Switzerland 1

The best practice examples have all performed an increase of energy efficiency of 30 % minimum.
The data sheet for each selected best practice reports: the project data , renovation concept, the state of art (U-values before and after the retrofitting), the energy performance indicator before and after, additional information, lessons learned and conclusions and references.