Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, units and subscripts
5 Assessment of energy performance of buildings
   5.1 Energy uses
   5.2 Assessment boundaries
   5.3 Types and uses of ratings
6 Calculated energy rating
   6.1 Calculation procedure
       6.1.1 General
       6.1.2 Calculation step
       6.1.3 Calculation principles of the recovered
             gains and losses
       6.1.4 Effect of integrated control
   6.2 Building thermal needs
   6.3 Technical building systems
       6.3.1 Technical system thermal losses, electrical
             and auxiliary energy without building
             generation devices
       6.3.2 Thermal energy generation systems
7 Measured energy rating
   7.1 General requirements
   7.2 Assessment period
       7.2.1 General
       7.2.2 Extrapolation to an integral number of years
   7.3 Assessing the used amounts of all energy carriers
       7.3.1 General
       7.3.2 Metered fuels (electricity, gas, district
             heating and cooling)
       7.3.3 Liquid fuels in tanks
       7.3.4 Solid fuels
       7.3.5 Energy monitoring
   7.4 Correction for weather
8 Weighted energy ratings
   8.1 Types of ratings
   8.2 Types of factors or coefficients
       8.2.1 General
       8.2.2 Average factor or coefficient
       8.2.3 Marginal factor or coefficient
       8.2.4 End use factor or coefficient
   8.3 Primary energy
       8.3.1 General
       8.3.2 Primary energy
       8.3.3 Primary energy factors
   8.4 Carbon dioxide rating
       8.4.1 Carbon dioxide emissions
       8.4.2 CO[2] emission coefficients
   8.5 Policy energy rating
9 Validated building calculation model
   9.1 Introduction
   9.2 Procedure - validation of the building
       calculation model
   9.3 Climatic data
   9.4 Occupancy data
       9.4.1 Internal tempera
       9.4.2 Air infiltration and ventilation
       9.4.3 Internal heat sources
       9.4.4 Hot water use
       9.4.5 Artificial lighting
   9.5 Ratings based on the validated calculation model
10 Planning of retrofit measures for existing buildings
11 Report
Annex A (informative) Methods for collecting building data
        A.1 Data on building envelope
            A.1.1 General
            A.1.2 Assessment of thermal transmittance of
                  opaque building elements
            A.1.3 Assessment of thermal transmittance and
                  total solar energy transmittance of
                  transparent elements
            A.1.4 Assessment of thermal characteristics
                  of thermal bridges
            A.1.5 Assessment of air flow rates and
                  infiltration
        A.2 Thermal capacity
        A.3 Heating systems
        A.4 Ventilation systems
            A.4.1 Assessment of airflow rates
            A.4.2 Thermal efficiency of heat recovery systems
            A.4.3 Assessment of auxiliary energy use
        A.5 Cooling systems
        A.6 Building operation
Annex B (informative) Energy monitoring
        B.1 Energy signature
        B.2 H-m method
Annex C (informative) Other uses of energy
        C.1 General
        C.2 Residential buildings
        C.3 Office buildings
Annex D (informative) Calorific values of fuels
        D.1 General
        D.2 Solid and liquid energy carriers
        D.3 Gaseous fuels
Annex E (informative) Factors and coefficients
Annex F (informative) Confidence intervals
        F.1 Definition
        F.2 Assessment of confidence interval
        F.3 Examples
            F.3.1 General
            F.3.2 Indications on confidence intervals
Annex G (informative) Example
        G.1 Building description
        G.2 Standard calculated rating
Bibliography