HVAC : level four : trainee guide 
developed by the National Center for Construction Education and Research 
 - 3rd ed 
 - Upper Saddle River, NJ  Prentice Hall  c2009 
 - 1 v. (various pagings) : ill. ; 28 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780136044949 
<br/><br/><label>ISSN: </label>2010484108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning - Equipment and supplies - Maintenance and repair<br/>Heating - Equipment and supplies - Maintenance and repair<br/>Ventilation - Equipment and supplies - Maintenance and repair
<br/><br/><label>Dewey Class. No.: </label>697 NCC