Introduction

This document is part of the ISO 52000 series of standards aimed at international harmonization of the methodology for the assessment of the energy performance of buildings (EPB).

For the correct use of this document, a normative template is given in Annex A to report the choices made on the possible options determining the PEF and CO₂ coefficient.

The target group of this document are all of the users of the series of standards related to the assessment of the EPB and especially national standardization experts or building authorities who are in charge of defining PEF and CO₂ emission coefficients.

In view of the complexity of the issue, the need for contextual knowledge and practicality of use, necessary comments and explanations have been included directly in the document. For the same reasons, parts taken from other standards are appropriate for inclusion in this document.

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

BS ISO 52000-3:2023

Energy performance of buildings. Overarching EPB assessment - General principles for determination and reporting of primary energy factors (PEF) and CO2 emission coefficients

Current

Published:

30 Apr 2023

Energy performance of buildings. Overarching EPB assessment - General principles for determination and reporting of primary energy factors (PEF) and CO₂ emission coefficients