I.S. EN 15265:2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
   3.1 Terms and definitions
   3.2 Symbols and units
4 Procedures
5 Basic assumptions
6 Data requirement
   6.1 General
   6.2 Climatic data
   6.3 Surface heat transfer coefficients
   6.4 Solar distribution
   6.5 Air ventilation and air infiltration
        6.5.1 General
        6.5.2 Infiltration
        6.5.3 Ventilation
   6.6 Internal load
   6.7 Internal design temperature
   6.8 Heating and cooling system device
        6.8.1 General
        6.8.2 Convective device
        6.8.3 Cooling or heating surface device
7 Report of the calculation
   7.1 General
   7.2 Input data
   7.3 Results of calculation
8 Validation tests
   8.1 General
   8.2 Room and components description
   8.3 Test cases description
        8.3.1 Initial tests
        8.3.2 Validation tests
9 Validation criteria and reference results
10 Validation test report
   10.1 General
   10.2 Input data
   10.3 Output results
Annex A (normative) - Climatic data for the validation examples
Bibliography

Describes a set of assumptions, requirements and validation tests for procedures used for the calculation of the annual energy needs for space heating and cooling of a room in a building where the calculations are done with a time step of one hour or less.