Welcome to North American Technician Excellence, Inc. The leading non-profit certification program for technicians in the heating, ventilation, air-conditioning and refrigeration (HVAC/R) industry and the only test supported by the entire industry.


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

Choose the Right Course

To find NATE-recognized training courses, enter your specialty, technician type, desired training organization and your zip after clicking here.

Review the KATEs and choose a specialty that best suits you. Remember, you must complete the CORE (if required) and one SPECIALTY exam for NATE certification.

KATEs for Installation Technician

KATEs for Service Technician

KATE for Senior Level Technician Certification

HVAC Efficiency Analyst


Ground Source Heat Pump Loop Installer