ISO INTERNATIONAL STANDARD 52000-3 First edition 2023-03 Energy performance of buildings - Overarching EPB assessment - Part 3: General principles for determination and reporting of primary energy factors (PEF) and CO2 emission coefficients Performance énergétique des batiments -Evaluation cadre PEB Partie 3: Principes genéraux relatifs a la détermination et a la déclaration des facteurs d'eénergie primaire (PEF) et des coefficients d'émission de CO2 Reference number IS0 52000-3:2023(E) ISO @ ISO 2023 IS0 52000-3:2023(E) COPYRIGHTPROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on or ISoO's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email:copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2023- All rights reserved