ISO 52016-1:2017
Energy performance of buildings — Energy needs for heating and cooling, internal temperatures and sensible and latent heat loads — Part 1: Calculation procedures
ISO 52016-1:2017 specifies calculation methods for the assessment of:
a) the (sensible) energy need for heating and cooling, based on hourly or monthly calculations;
b) the latent energy need for (de-)humidification, based on hourly or monthly calculations;
c) the internal temperature, based on hourly calculations;
d) the sensible heating and cooling load, based on hourly calculations;
e) the moisture and latent heat load for (de-)humidification, based on hourly calculations;
f) the design sensible heating or cooling load and design latent heat load using an hourly calculation interval;
g) the conditions of the supply air to provide the necessary humidification and dehumidification.
The calculation methods can be used for residential or non-residential buildings, or a part of it, referred to as "the building" or the "assessed object".
ISO 52016-1:2017 also contains specifications for the assessment of thermal zones in the building or in the part of a building. The calculations are performed per thermal zone. In the calculations, the thermal zones can be assumed to be thermally coupled or not.
The calculation methods have been developed for the calculation of the basic energy loads and needs, without interaction with specific technical building systems, and for the calculation of the system specific energy loads and needs, including the interaction with specific systems. The hourly calculation procedures can also be used as basis for calculations with more extensive system control options.
ISO 52016-1:2017 is applicable to buildings at the design stage, to new buildings after construction and to existing buildings in the use phase.
NOTE Table 1 in the Introduction shows the relative position of ISO 52016-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Building
3.2 Indoor and outdoor conditions
3.3 Technical building systems
3.4 Energy
3.5 Energy performance
3.6 Energy calculation
4 Symbols, subscripts and abbreviations
4.1 Symbols
4.2 Subscripts
4.3 Abbreviations
5 Description of the methods
5.1 Output of the method
5.2 General description of the method
5.2.1 Hourly calculation procedures
5.2.2 Monthly calculation procedures
5.2.3 Input data and assumptions for hourly and monthly method
5.2.4 Choices between methods
6 Calculation method
6.1 Output data
6.1.1 General data on the assessed object and application
6.1.2 Calculated data
6.2 Calculation time intervals and calculation period
6.3 Input data
6.3.1 Source of data; general
6.3.2 General data on the assessed object and application
6.3.3 Geometrical characteristics
6.3.4 Thermophysical parameters of the building and building elements
6.3.5 Operating and boundary conditions
6.3.6 Constants and physical data
6.3.7 Input data from Annex A (Annex B)
6.4 Zoning of the assessed object
6.4.1 General
6.4.2 Thermal zoning procedures
6.4.3 Size of the thermal zones and thermal envelope
6.4.4 Heat exchange between thermal zones and service areas
6.4.5 Adjacent thermally unconditioned zones
6.4.6 Residential buildings or building units, adjustment for spatial average temperature
6.4.7 Thermally coupled or uncoupled zones
6.5 Hourly calculation procedures
6.5.1 Principle
6.5.2 Applicable time interval and calculation period
6.5.3 Assumptions and specific conditions
6.5.4 Calculation procedure
6.5.5 Calculation of (sensible) heating and cooling loads and temperatures
6.5.6 Overall energy balance of a thermal zone
6.5.7 Type of construction dependent properties of the nodes
6.5.8 Thermal transmission properties
6.5.9 Temperature of adjacent thermally unconditioned zone
6.5.10 Ventilation heat transfer coefficient, supply temperature and moisture content
6.5.11 Thermal capacity of the internal environment of the thermal zone
6.5.12 Internal heat gains
6.5.13 Solar gains
6.5.14 Moisture content and latent heat load
6.5.15 Calculation of key monthly data from hourly output
6.6 Monthly calculation procedures
6.6.1 Principle
6.6.2 Applicable time interval and calculation period
6.6.3 Assumptions
6.6.4 Energy need for space heating and cooling
6.6.5 Heat transfer by transmission
6.6.6 Heat transfer by ventilation
6.6.7 Internal heat gains
6.6.8 Solar heat gains
6.6.9 Internal effective heat capacity of a zone
6.6.10 Utilization factors
6.6.11 Calculation temperature and intermittency modes
6.6.12 Overheating indicator
6.6.13 Length of the heating and cooling season for operation of season-length-dependent provisions
6.6.14 Humidification and dehumidification
7 Quality control
7.1 Calculation report
7.1.1 General
7.1.2 Energy need calculation
7.1.3 Internal temperature calculation
7.1.4 Design heating and cooling load calculation
7.2 Hourly method: verification cases
7.2.1 Scope and limitations
7.2.2 Verification procedure for the whole calculation method
7.2.3 Description of the verification test cases
7.2.4 Results of the verification test cases
7.3 Hourly method: validation in case of specific alternative calculation procedures
8 Compliance check
Annex A (normative) Input and method selection data sheet — Template
Annex B (informative) Input and method selection data sheet — Default choices
Annex C (normative) Regional references in line with ISO Global Relevance Policy
Annex D (normative) Multi-zone calculation with thermal coupling between zones
Annex E (normative) Heat transfer and solar heat gains of windows and special elements
Annex F (normative) Calculation of solar shading reduction factors
Annex G (normative) Dynamic transparent building elements
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Building
3.2 Indoor and outdoor conditions
3.3 Technical building systems
3.4 Energy
3.5 Energy performance
3.6 Energy calculation
4 Symbols, subscripts and abbreviations
4.1 Symbols
4.2 Subscripts
4.3 Abbreviations
5 Description of the methods
5.1 Output of the method
5.2 General description of the method
5.2.1 Hourly calculation procedures
5.2.2 Monthly calculation procedures
5.2.3 Input data and assumptions for hourly and monthly method
5.2.4 Choices between methods
6 Calculation method
6.1 Output data
6.1.1 General data on the assessed object and application
6.1.2 Calculated data
6.2 Calculation time intervals and calculation period
6.3 Input data
6.3.1 Source of data; general
6.3.2 General data on the assessed object and application
6.3.3 Geometrical characteristics
6.3.4 Thermophysical parameters of the building and building elements
6.3.5 Operating and boundary conditions
6.3.6 Constants and physical data
6.3.7 Input data from Annex A (Annex B)
6.4 Zoning of the assessed object
6.4.1 General
6.4.2 Thermal zoning procedures
6.4.3 Size of the thermal zones and thermal envelope
6.4.4 Heat exchange between thermal zones and service areas
6.4.5 Adjacent thermally unconditioned zones
6.4.6 Residential buildings or building units, adjustment for spatial average temperature
6.4.7 Thermally coupled or uncoupled zones
6.5 Hourly calculation procedures
6.5.1 Principle
6.5.2 Applicable time interval and calculation period
6.5.3 Assumptions and specific conditions
6.5.4 Calculation procedure
6.5.5 Calculation of (sensible) heating and cooling loads and temperatures
6.5.6 Overall energy balance of a thermal zone
6.5.7 Type of construction dependent properties of the nodes
6.5.8 Thermal transmission properties
6.5.9 Temperature of adjacent thermally unconditioned zone
6.5.10 Ventilation heat transfer coefficient, supply temperature and moisture content
6.5.11 Thermal capacity of the internal environment of the thermal zone
6.5.12 Internal heat gains
6.5.13 Solar gains
6.5.14 Moisture content and latent heat load
6.5.15 Calculation of key monthly data from hourly output
6.6 Monthly calculation procedures
6.6.1 Principle
6.6.2 Applicable time interval and calculation period
6.6.3 Assumptions
6.6.4 Energy need for space heating and cooling
6.6.5 Heat transfer by transmission
6.6.6 Heat transfer by ventilation
6.6.7 Internal heat gains
6.6.8 Solar heat gains
6.6.9 Internal effective heat capacity of a zone
6.6.10 Utilization factors
6.6.11 Calculation temperature and intermittency modes
6.6.12 Overheating indicator
6.6.13 Length of the heating and cooling season for operation of season-length-dependent provisions
6.6.14 Humidification and dehumidification
7 Quality control
7.1 Calculation report
7.1.1 General
7.1.2 Energy need calculation
7.1.3 Internal temperature calculation
7.1.4 Design heating and cooling load calculation
7.2 Hourly method: verification cases
7.2.1 Scope and limitations
7.2.2 Verification procedure for the whole calculation method
7.2.3 Description of the verification test cases
7.2.4 Results of the verification test cases
7.3 Hourly method: validation in case of specific alternative calculation procedures
8 Compliance check
Annex A (normative) Input and method selection data sheet — Template
Annex B (informative) Input and method selection data sheet — Default choices
Annex C (normative) Regional references in line with ISO Global Relevance Policy
Annex D (normative) Multi-zone calculation with thermal coupling between zones
Annex E (normative) Heat transfer and solar heat gains of windows and special elements
Annex F (normative) Calculation of solar shading reduction factors
Annex G (normative) Dynamic transparent building elements
Bibliography