FREE North American Technician Excellence Questions and Answers

FREE NATE 2026 online practice tests with hundreds of questions. Prepare for your HVACR certification core and specialty exams. [Updated March 2026]

FREE North American Technician Excellence Questions and Answers

About the Author

Mike JohnsonNATE Certified, EPA 608, BS HVAC/R Technology

NATE Certified HVAC Technician & Licensing Exam Trainer

Universal Technical Institute

Mike Johnson is a NATE-certified HVAC technician and EPA 608 universal-certified refrigerant handler with a Bachelor of Science in HVAC/R Technology. He has 19 years of commercial and residential HVAC installation and service experience and specializes in preparing technicians for NATE certification, EPA 608, A2L refrigerant safety, and state HVAC contractor licensing examinations.