ISO 52000-1:2017
Energy performance of buildings — Overarching EPB assessment — Part 1: General framework and procedures
ISO 52000-1:2017 establishes a systematic, comprehensive and modular structure for assessing the energy performance of new and existing buildings (EPB) in a holistic way.
It is applicable to the assessment of overall energy use of a building, by measurement or calculation, and the calculation of energy performance in terms of primary energy or other energy-related metrics. It takes into account the specific possibilities and limitations for the different applications, such as building design, new buildings 'as built', and existing buildings in the use phase as well as renovation.
NOTE Table 1 in the Introduction shows the relative position of ISO 52000-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1:2017.
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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 overarching framework and procedures
5.1 Output of the method
5.2 General description of the procedures and routing
5.3 Selection criteria between the methods
6 Overarching preparation steps
6.1 General
6.2 List of types and categories
6.2.1 Type of object
6.2.2 Building category and space categories
6.2.3 Type of application
6.2.4 Types of assessment
6.2.5 Building services
6.3 Identification of types and categories for a specific case
6.3.1 General
6.3.2 Output data
7 Calculated energy performance of buildings
7.1 Output data
7.2 Calculation intervals and calculation period
7.2.1 Calculation interval
7.2.2 Calculation period
7.3 Input data
7.3.1 Product data
7.3.2 System design data
7.3.3 Operating conditions data
7.3.4 Constants and physical data
7.3.5 Other data
7.4 Description of the calculation procedure
8 Measured overall energy performance and comparison with calculations
8.1 General
8.2 Output of the method
8.3 Measurement intervals and measurement period
8.4 Input data
8.4.1 Product data
8.4.2 System design data
8.4.3 Operating conditions data
8.4.4 Constants and physical data
8.4.5 Other data
8.5 Measurement procedures
8.6 Calculation of the energy performance based on measured energy
8.7 Comparison between calculated energy performance and measured energy performance
8.8 Measured energy performance reporting
9 Overall assessment of the energy performance of buildings
9.1 Categorization of building and/or spaces
9.2 Combination of building services included in EPB in each space
9.3 Useful floor area and air volume
9.4 Normalization to building size
9.4.1 Reference size
9.4.2 Normalization
9.4.3 Reference floor area
9.5 Assessment boundary and perimeters
9.5.1 General principles
9.5.2 Assessment boundary for multiple buildings
9.6 Overall energy performance
9.6.1 Weighted overall energy balance
9.6.2 Primary energy factors
9.6.3 Greenhouse gas emission factors
9.6.4 Additional weighting factors
9.6.5 Costs factors
9.6.6 Weighting factors for exported energy
9.6.7 Energy flows
9.7 Share of renewable energy
9.8 Energy performance indicators for technical building systems
9.9 Calculation methods for energy performance indicators per part of a building and/or service
10 Zoning
10.1 General
10.2 Thermal zones and service areas
10.3 Spaces
10.4 Zoning rules
10.4.1 Principle
10.4.2 Specific zoning criteria
10.5 Assignment rules
10.5.1 Subdivision
10.5.2 Recombination
10.6 Zoning procedure
11 Calculation of the energy performance, routing and energy balance
11.1 General
11.2 Overall calculation procedure (steps)
11.3 Calculation principles of the recovered gains and losses
11.3.1 General
11.3.2 Detailed approach
11.3.3 Simplified approach
11.4 Effect of building automation and control (BAC) and technical building management (TBM)
11.5 Climatic and external environment data
11.6 Overall energy performance
11.6.1 General
11.6.2 Electricity and other energy carriers with exportation
11.6.3 Energy carriers without exportation
11.6.4 Exported heat produced on-site and not included in thermal use of the building
12 Common overarching output
12.1 General
12.2 Tabulated overview of the amounts of energy per energy carrier and energy service
Annex A (normative) Input and method selection data sheet — Template
Annex B (informative) Input and method selection data sheet — Default choices
Annex C (normative) Common subscripts
Annex D (informative) Calculation of measured energy performance
Annex E (normative) Calculation methods for energy performance indicators per part of a building and/or service
Annex F (informative) Alphabetical index of terms
Annex G (informative) Electrical grid related indicators
Annex H (informative) Proposal of indicators for the assessment of nearly Zero-Energy Buildings (NZEB)
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 overarching framework and procedures
5.1 Output of the method
5.2 General description of the procedures and routing
5.3 Selection criteria between the methods
6 Overarching preparation steps
6.1 General
6.2 List of types and categories
6.2.1 Type of object
6.2.2 Building category and space categories
6.2.3 Type of application
6.2.4 Types of assessment
6.2.5 Building services
6.3 Identification of types and categories for a specific case
6.3.1 General
6.3.2 Output data
7 Calculated energy performance of buildings
7.1 Output data
7.2 Calculation intervals and calculation period
7.2.1 Calculation interval
7.2.2 Calculation period
7.3 Input data
7.3.1 Product data
7.3.2 System design data
7.3.3 Operating conditions data
7.3.4 Constants and physical data
7.3.5 Other data
7.4 Description of the calculation procedure
8 Measured overall energy performance and comparison with calculations
8.1 General
8.2 Output of the method
8.3 Measurement intervals and measurement period
8.4 Input data
8.4.1 Product data
8.4.2 System design data
8.4.3 Operating conditions data
8.4.4 Constants and physical data
8.4.5 Other data
8.5 Measurement procedures
8.6 Calculation of the energy performance based on measured energy
8.7 Comparison between calculated energy performance and measured energy performance
8.8 Measured energy performance reporting
9 Overall assessment of the energy performance of buildings
9.1 Categorization of building and/or spaces
9.2 Combination of building services included in EPB in each space
9.3 Useful floor area and air volume
9.4 Normalization to building size
9.4.1 Reference size
9.4.2 Normalization
9.4.3 Reference floor area
9.5 Assessment boundary and perimeters
9.5.1 General principles
9.5.2 Assessment boundary for multiple buildings
9.6 Overall energy performance
9.6.1 Weighted overall energy balance
9.6.2 Primary energy factors
9.6.3 Greenhouse gas emission factors
9.6.4 Additional weighting factors
9.6.5 Costs factors
9.6.6 Weighting factors for exported energy
9.6.7 Energy flows
9.7 Share of renewable energy
9.8 Energy performance indicators for technical building systems
9.9 Calculation methods for energy performance indicators per part of a building and/or service
10 Zoning
10.1 General
10.2 Thermal zones and service areas
10.3 Spaces
10.4 Zoning rules
10.4.1 Principle
10.4.2 Specific zoning criteria
10.5 Assignment rules
10.5.1 Subdivision
10.5.2 Recombination
10.6 Zoning procedure
11 Calculation of the energy performance, routing and energy balance
11.1 General
11.2 Overall calculation procedure (steps)
11.3 Calculation principles of the recovered gains and losses
11.3.1 General
11.3.2 Detailed approach
11.3.3 Simplified approach
11.4 Effect of building automation and control (BAC) and technical building management (TBM)
11.5 Climatic and external environment data
11.6 Overall energy performance
11.6.1 General
11.6.2 Electricity and other energy carriers with exportation
11.6.3 Energy carriers without exportation
11.6.4 Exported heat produced on-site and not included in thermal use of the building
12 Common overarching output
12.1 General
12.2 Tabulated overview of the amounts of energy per energy carrier and energy service
Annex A (normative) Input and method selection data sheet — Template
Annex B (informative) Input and method selection data sheet — Default choices
Annex C (normative) Common subscripts
Annex D (informative) Calculation of measured energy performance
Annex E (normative) Calculation methods for energy performance indicators per part of a building and/or service
Annex F (informative) Alphabetical index of terms
Annex G (informative) Electrical grid related indicators
Annex H (informative) Proposal of indicators for the assessment of nearly Zero-Energy Buildings (NZEB)
Bibliography