ISO INTERNATIONAL STANDARD 19659-3 First edition 2022-10 Railway applications - Heating, ventilation and air conditioning systems for rolling stock Part 3: Energy efficiency Applications ferroviaires - Systemes de chauffage, ventilation et climatisationpour le matériel roulant- Partie 3: Efficacité énergétique Reference number IS0 19659-3:2022(E) ISO @IS02022 IS0 19659-3:2022(E) COPYRIGHT PROTECTED DOCUMENT IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0 2022 - All rights reserved