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)

Testing Format

NATE Testing Format

Test Format

Tests are multiple choice, and may be given either with pencil and paper or electronically (computer). All NATE testing is proctored.

Note:  All testing outside of the USA and Canada is administered electronically.

Test Time

The maximum time allowance for NATE tests are shown on the opening page of each KATE.

Privacy Policy:

Federal Privacy law prohibits NATE from releasing individual exam results to anyone other than a candidate without written permission. By signing the Third Party Release Form the candidate is authorizing NATE to release results. Candidates may change their release status by logging onto their record at www.natetesting.com.