International ISO Standard IS0 4678 Ships and marine technology - First edition Noise measurement method for 2024-01 HVAC system in accommodation spaces Navires et technologie maritime - Méthode pour le mesurage du bruit du systeme CVCA dans les locaux Reference number ISO 4678:2024(en) @ ISO 2024 IS0 4678:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 Ali rights reserved. Uniess otherwise specified, or required in the context of its impiementation, 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, without prior written permission. Permission can be requested from either ISO at the address below orIso's memberbody in the country oftherequester. ISso copyright office CP401·Ch.deBlandonnet8 CH-1214 Vernier, Geneva Phone:+41227490111 Email: [email protected] Website: www.iso.org Published in Switzerland @IS02024-Allrightsreserved ii