North American Technician Excellence, Inc. (NATE) is the leading certification program for technicians in the heating, ventilation, air-conditioning, and refrigeration (HVAC/R) industry and is the only test supported by the entire industry.
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Consumer Contractor Connection (C3) Home Page
Click here to register for NATE testing at AHR 2009
NATE NORTH AMERICAN TECHNICIAN EXCELLENCE 
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