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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.040 Air quality>13.040.01 Air quality in general>BS EN 17423:2020 Energy performance of buildings. Determination and reporting of Primary Energy Factors (PEF) and CO2 emission coefficient. General Principles, Module M1-7
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BS EN 17423:2020 Energy performance of buildings. Determination and reporting of Primary Energy Factors (PEF) and CO2 emission coefficient. General Principles, Module M1-7

BS EN 17423:2020

Energy performance of buildings. Determination and reporting of Primary Energy Factors (PEF) and CO2 emission coefficient. General Principles, Module M1-7

CURRENCY
LANGUAGE
English
Standard number:BS EN 17423:2020
Pages:48
Released:2020-11-20
ISBN:978 0 539 05034 9
Status:Standard
DESCRIPTION
This standard BS EN 17423:2020 Energy performance of buildings. Determination and reporting of Primary Energy Factors (PEF) and CO2 emission coefficient. General Principles, Module M1-7 is classified in these ICS categories:
  • 13.040.01 Air quality in general
  • 91.120.10 Thermal insulation of buildings

This document provides a transparent framework for reporting on the choices related to the procedure to determine primary energy factors (PEFs) and CO2 emission coefficients for energy delivered to and exported from the buildings as described in EN ISO 52000-1.

This document specifies the choices to be made to calculate the PEF(s) and CO2 emission coefficients related to different energy carriers. PEFs and CO2 emission coefficients for exported energy can be different from those chosen for delivered energy.

This document is primarily intended for supporting and complementing EN ISO 52000-1, as the latter requires values for the PEFs and CO2 emission coefficients to complete the EPB calculation. But it can also be used for other applications.

NOTE

The CO 2 emission coefficients allow calculating greenhouse gas emissions. According to the choices made, the CO 2 emission coefficients represent only CO 2 emissions or also other greenhouse gases.

Table 1 shows the position (marked by “X”) of this document within the modular structure as set out in EN ISO 52000-1.

The modules represent EPB standards, although one EPB standard may cover more than one module and one module may be covered by more than one EPB standard, for instance a simplified and a detailed method respectively.

Table 1
Position of this document (M1–7), within the modular structure as set out in EN ISO 52000-1
Overarching Building
(as such)
Technical Building Systems
Submodule Descriptions Descriptions Descriptions Heating Cooling Ventilation Humidification Dehumidification Domestic Hot water Lighting Building automation and control PV, wind,..
sub1 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11
1 General General General
2 Common terms and definitions;
symbols, units and subscripts
Building Energy Needs Needs
3 Applications (Free) Indoor Conditions without Systems Maximum Load and Power
4 Ways to Express Energy Performance Ways to Express Energy Performance Ways to Express Energy Performance
5 Building categories and Building Boundaries Heat Transfer by Transmission Emission and control
6 Building Occupancy and Operating Conditions Heat Transfer by Infiltration and Ventilation Distribution and control
7 Aggregation of Energy Services and Energy Carriers X Internal Heat Gains Storage and control
8 Building zoning Solar Heat Gains Generation and control
9 Calculated Energy Performance Building Dynamics (thermal mass) Load dispatching and operating conditions
10 Measured Energy Performance Measured Energy Performance Measured Energy Performance
11 Inspection Inspection Inspection
12 Ways to Express Indoor Comfort BMS
13 External Environment Conditions
14 Economic Calculation
The shaded modules are not applicable.

This product includes: