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Applying the EPBD to improve the ENergy PErformance Requirements to EXISTing buildings (ENPER EXIST)

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Better energy efficiency in buildings means looking at both existing buildings and future constructions. By improving our knowledge of existing buildings we can put together a roadmap for better energy performance. This was the goal of ENPER-EXIST, which established a snap-shot of current building stock and assessed which building standards might be applied, what alternative solutions are available, and what would be the impact of the new certification schemes on the market, human capital and national administrations.

Results

  • Guidelines on application of standards prepared by the European Committee for Standardization (CEN) which draws up voluntary technical specifications to help achieve the Single Market in Europe.
  • Interaction with the CEN Working Groups preparing these standards in order to enhance their applicability to existing buildings.
  • Dialogue with the national authorities in charge of setting up certification schemes in each country.
  • Report on Member State experiences in applying certification to existing buildings, leading to a proposal for maximising its impact.
  • Statistical data on the current energy performance and possible future savings in Europe's existing building stock.
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Lessons learned

  • A key problem or existing buildings is the collection of high-quality data, not the calculation procedures. It is thus important to develop building inspection guidelines that support data collection
  • To efficiently certify a building it is very important to take into account, and describe, the whole range of necessary steps.
  • Many member states have poor data on their building stock. The certification process can be used to improve this situation and collect data.
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Partners and coordinator

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Contact

Centre scientifique et technique du bâtiment
France
Contact point: 
Name: 
Jean Christophe Visier
Tel: 
0033 1 64 68 82 94

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In brief

Duration:
01/01/2005 to 30/06/2007
Contract number: 
EISAV/EIE/04/096/2004

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