HVAC student tesing AC equipment

North American Technician Excellence

Founded in 1997, North American Technician Excellence (NATE) is the nation's largest non-profit certification organization for heating, ventilation, air conditioning and refrigeration technicians. NATE is the certification organization that was developed by, and has been supported by the entire HVACR industry for nearly 20 years. NATE certification tests represent real world working knowledge of HVACR systems. Developed by a committee of industry experts nationwide, our NATE exams represent HVACR topics pertinent to contractors, educators, manufacturers and utilities alike. All of the NATE tests are rigorous, multiple-choice, knowledge-based tests and validate a technician's knowledge.

NATE candidates may earn Installation and/or Service certification in one or more Specialty areas, including:

  • Air Conditioning
  • Air Distribution
  • Heat Pumps
  • Gas Heating
  • Oil Heating
  • Hydronics Gas (service only)
  • Hydronics Oil (service only)
  • Light Commercial Refrigeration (service only)
  • Commercial Refrigeration (service only)
  • Ground Source Heat Pump Loop Installer
  • Senior HVAC Efficiency Analyst

For more information, visit NATE.

Contact Information

Academic and Specialized Testing Center, Glen Ellyn - Main Campus
Berg Instructional Center (BIC), Room 2A06/2A08
(630) 942-2401
Email: testing@cod.edu
Testing Hours and Locations