Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. Manufactured in the United States of America. McGraw-Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney TorontoĬopyright © 2006 by The McGraw-Hill Companies, Inc. MILLER Professor, Industrial Technology The University of Texas at Tyler Tyler, Texas Air Conditioning and Refrigeration REX MILLER Professor Emeritus State University College at Buffalo Buffalo, New York