2006 - Hvac/r Terminology a Quick Reference Guide [Second Edition] (Paperback) ISBN-13: 9781930044227 ISBN-10: 1930044224 Genres: Science & Math, Engineering & Transportation ? 1997 - Hvac/r Terminology a Quick Reference Guide (Paperback) ISBN-13: 9780135929735 ISBN-10: 0135929733 Genres: Reference, Travel, Crafts, Hobbies & Home ? |