Project LEHR: Low Energy Housing Retrofit

Up to 35% of total energy consumption can be attributed to built-up areas, most of which are situated in the residential sector. Consequently the renovation of existing buildings constitutes a vast potential for energy economy. Example projects indicate that consumption can be reduced up to five times while improving living conditions simultaneously.

The purpose of this project is to:

  • identify highly successful renovations by means of a network of national and international experts
  • systematically collect core information on the design, realization and performance of such renovations
  • compile a manual for owners and architects
  • elaborate technical safety documents aimed at construction professionals
  • publish the obtained perceptions in one volume
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