The NATE office will be closed from 12:30PM EST on Wednesday, November 27th in observance of Thanksgiving and will re-open Monday, December 2nd at 9am EST.

Program Overview

Training & Testing

“Every technician we hire must already be NATE-certified or must become certified within three months of joining our team. By letting our customers know that we’re 100% NATE-certified, we’re assuring them that they’ll always be working with a technician who has proven to have what it takes to get the job done right.”

- Steven J. Miles -

General Manager, Jerry Kelly Heating and Air Conditioning, Inc., St. Charles, MO “Contracting Business Magazine’s 2006 Residential Contractor of the Year”

What It Takes to Be a Testing Organization

NATE certification offers limitless advantages to all professionals in the HVACR industry. Take an active part in improving the quality of the HVACR workforce by becoming a NATE Testing Organization (TO).

A NATE TO is an organization that agrees to follow the NATE testing protocols, and offers at least one testing session per year. A NATE TO must have a minimum of one NATE-approved proctor, to oversee exams. A proctor can be any person who is a member of the TO, but he or she must be approved by NATE.

The following enterprises are eligible to be a NATE Testing Organization (TO):