Levenhagen, John I <br/><br/>
HVAC controls and systems 

 - New York  McGraw-Hill  1993 
 - xiii, 334p 
 - Mechanical engineering series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0-07-113468-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning -- Control<br/>Automatic valves -- HVAC industry<br/>Damper motors<br/>Heating -- Control<br/>Heating, ventilating, and air conditioning(HVAC)<br/>HVAC -- Fundamentals<br/>Mechanical engineering<br/>Thermostats -- Air conditioning<br/>Ventilation