HVAC level three annotated instructor's guide 

 - 3rd ed. 
 - Englewood Cliffs, N.J :  Prentice Hall,  2008 
 - 1v. (various pagings) :  ill. ;  28 cm. +  1 test booklet 
<br/><br/><label>ISBN: </label>9780136044932 013604493X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating--Equipment and supplies<br/>Ventilation--Equipment and supplies<br/>Air conditioning--Equipment and supplies