ISO/TR TECHNICAL REPORT 52120-2 First edition 2021-12 Energy performance of buildings - Contribution of building automation, controls and building management Part 2: Explanation and justification of IsO 52120-1 Performance énergétique des batiments-Impact de I'automatisation, de la regulation et de la gestion technique des batiments- Partie 2: Explication et justification de I'lS0 52120-1 Reference number IS0/TR 52120-2:2021(E) ISO @IS02021 IS0/TR 52120-2:2021(E) COPYRIGHTPROTECTED DOCUMENT @IS02021 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 2021 - All rights reserved