Harrington, Sam. <br/><br/>
Becoming a HVAC technician :  a professional guide / 
Sam Harrington. 
 - New York :   Larsen & keller ,  c2020. 
 - vi,226p.  
<br/><br/>Includes index.  
<br/><br/>
<br/><br/><label>ISBN: </label>9781641723183 
<br/><br/><label>Subjects--Personal Names: </label><br/>Heating--Vocational guidance.<br/>Air conditioning--Vocational guidance.<br/>Heating--Maintenance and repair--Guidebooks<br/>Ventilation--Maintenance and repair--Guidance.
<br/><br/><label>Dewey Class. No.: </label>697 H299 2020