Herman, Stephen L. <br/><br/>
Electricity and controls for HVAC/R 
Stephen L. Herman, Ron Sparkman. 
 - 7th ed. 
 - Australi  Clifton Park, N  Delmar Cengage Learnin  c2014 
 - x, 593 p  ill. (some col.  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781133278207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning--Control.<br/>Air conditioning--Electric equipment.<br/>Heating--Control.<br/>Ventilation--Control.
<br/><br/><label>LC Class. No.: </label>TK4035.A35  / H47 2014