NBN EN 15217 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Energy performance indicators
  5.1 Indicators
  5.2 Indicator basis
  5.3 Normalization of energy rating
6 Expression of energy requirements
  6.1 Ways of expressing the requirements
  6.2 Overall energy requirements
  6.3 Modification of the impact of certain parameters
  6.4 Renovation of and extensions to existing buildings
7 Reference values
  7.1 Types of reference values
  7.2 Content of reference values
  7.3 Documentation of reference values
8 Procedure for building energy certification
  8.1 General
  8.2 Content of procedure for building energy certification
  8.3 Content of the energy certificate
  8.4 Overall energy performance indicator
  8.5 Performance scale
  8.6 Recommendations
Annex A (normative) Procedure for building energy
                      certification documentation
Annex B (informative) Procedure for building energy
                      performance classification
Annex C (informative) Energy certificate format
Annex D (informative) Requirements on the characteristics
                      of the building envelope and of the
                      system components
Bibliography

Specifies: a) overall indicators to express the energy performance of whole buildings, including heating, ventilation, air conditioning, domestic hot water and lighting systems; b) ways to express energy requirements for the design of new buildings or renovation of existing buildings; c) procedures to define reference values; d) ways to design a procedure for building energy certification.