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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.

This site is for the administration of the online version of the ICE tests. Please click here if you need a paper version of the ICE tests.
@2019 - v11.0.5.3
North American Technician Excellence [NATE]
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