Certification Basics/101

North American Technician Excellence

2111 Wilson Blvd. Suite 510Arlington, VA 22201Phone: 703-276-7247Toll Free Phone: 877-420-6283 (NATE)

NATE HVACR Certification Basics

NATE tests represent real working knowledge of HVACR systems and are designed to demonstrate competency in specific knowledge areas. 

(for entry-level and early career technicians)

  • Ready-to-Work (online only, un-proctored, entry-level exam for those who are just entering the HVAC industry with no formal education or training)
    • Click here for exam knowledge areas or KATE for Ready-to-Work certificate exam
    • Click here for instructions on how to register and take the Ready-to-Work certificate exam
  • HVAC Support Technician (tests fundamental skills for those who have worked in HVAC for 6-12 months)
    • Click here for exam knowledge areas or KATE for HVAC Support Technician certificate exam

Professional Level Certifications (for those with 2+ years of experience)

You can earn installation, service or senior certification in one or more of the following specialty areas:

  • Air Conditioning (AC) (Service exam also available in Spanish)
  • Air Distribution (AD)
  • Heat Pumps (Air-to-Air) (HP) (Service exam also available in Spanish)
  • Gas Heating (GS) (Service exam also available in Spanish)
  • Oil Heating (OL)
  • Hydronics Gas (HG) (service only)
  • Hydronics Oil (HO) (service only) 
  • Light Commercial Refrigeration (LC) (service only) 
  • Commercial Refrigeration (RC) (service only)
  • HVAC Efficiency Analyst (Senior Level) (EA)

Other Certifications

  • Ground Source Heat Pump Loop Installer
  • HVAC Performance Verifier (for HERS Raters)
  • EPA 608
  • Industry Competency Exams (ICE)