ISO INTERNATIONAL STANDARD 52032-1 First edition 2022-03 Energy performance of buildings Energy requirements and efficiencies of heating, cooling and domestic hot water (DHW) distribution systems Part 1: Calculation procedures Performance énergétique des batiments -Besoins énergétiques et rendements des systemes de distribution d'eau chaude sanitaire, chauffage et refroidissement - Partie 1: Modes opératoires de calcul Reference number IS0 52032-1:2022(E) ISO @IS02022 IS0 52032-1:2022(E) COPYRIGHT PROTECTED DOCUMENT @ISO2022 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 the internet or an intranet, withoutpriorwrittenpermission.Permission can berequestedfrom eitherIso at theaddress below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved