Air-Conditioning System DESIGNMANUAL
THIRDEDITION
Howard J.McKew Editor
AIR-CONDITIONINGSYSTEM DESIGNMANUAL
Thtis peublicatioe was originally prepared as α special project aender the Peblications Comumirtee of ASHRAE inr cooperation wth rhe cognizart ASHRAE group TC 9.1 Large Building Air-Conditioning Systems.
Updates and errata for this publication will be posted on the ASHRAE website at
AIR-CONDITIONINGSYSTEM DESIGNMANUAL
Third Edition
HowardJ.McKew Editor
C 1993 2007 2019 ASHRAE1791 Tullie Circle NE Atlanta GA 30329
First edition published 1993. Second edition published 2007. All rights reserved.Cover design by Rebecca Branta and Mary Bolton.
ASHRAE is a registered trademark in the U.S. Patent and Trademark Office owned by the American Society of Heating Refrigerating and Air-Conditioning Engineers Inc.
ASHRAE has piled this publication with care but ASHRAE has not investigated anddure design or the like that may be described herein. The appearance of any technical data ASHRAE expressly disclaims any duty to investigate any product service process proce- or editorial material in this publication does not constitute endorsement warranty or guar-anty by ASHRAE of any product service process procedure design or the like. ASHRAE does not warrant that the information in the publication is free of errors and ASHRAE doesnot necessarily agre with any statement or opinion in this publication. The entire risk of the use of any information in this publication is assumed by the user.
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ASHRAE STAFF SPECIAL PUBLICATIONS Cindy Sheffield Michoels EditorJames Modison Wallker Manoging Editor of Stondards Lauren Ramsdell Associote EditorMory Bolton Assistant Editor Michshell Phillips Senior Editorial CoordinatorPUBLISHING SERVICES Jayne Jackson Publication Traffic Administrotor David Soltis Group Manoger of Publishing ServicesDirector of Publicationsand Education Mark S. Owen