Featherstone, Robert <br/><br/>
Guide to the HAVC/R certification and competency tests / 
Robert Featherstone, Jesse Riojas. 
 - Upper Saddle River, N. J. :  Prentice Hall,  c2001. 
 - vi, 265p. ; 28 cm. 
<br/><br/><label>ISBN: </label>0130106941 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating--Problems, exercises, etc.<br/>Air conditioning--Problems, exercises, etc.<br/>Ventilation--Problems, exercises, etc.<br/>Mechanics (Persons)--Certification--United States.