The Online Refrigeration Training Program is an advanced, fully online curriculum designed for HVACR technicians, contractors, facilities personnel, and commercial maintenance professionals who want a deeper understanding of commercial refrigeration systems used in supermarkets, restaurants, warehouses, food service, and other commercial environments.
Training begins with the Fundamentals of Refrigeration with Chris Compton and progresses into advanced commercial refrigeration courses with industry expert Dick Wirz. Many of Dick’s original webinar lectures (Courses 441 and 442) are included, giving you the feel of a live classroom experience. Throughout the program, you’ll gain practical, system-wide knowledge covering refrigeration principles, evaporators, condensers, compressors, metering devices, controls, accessories, motors, refrigerants, service procedures, and troubleshooting.
Total Instruction: 86 Hours
Authors: Dick Wirz, Chris Compton, Bob Feathers
The NATE Air Conditioning Certified Technician Program is designed for HVAC technicians who are preparing to earn the NATE Air Conditioning Specialty Certification. This program represents the final step in the NATE certification pathway, following completion of the NATE Core knowledge requirement.
This comprehensive online program prepares students to confidently install, service, maintain, and troubleshoot residential and light commercial air conditioning systems up to 30 tons. Course content is aligned with NATE exam competencies and emphasizes real-world diagnostic skills, electrical troubleshooting, refrigeration service procedures, and modern refrigerant technologies.
The program is delivered 100% online and self-paced with instructor support, allowing students to train from anywhere while developing practical, job-ready skills. Learners who complete the full program consistently achieve high pass rates on the NATE Air Conditioning Specialty Exam.
Prerequisite: This program is recommended for technicians who have:
• Completed the NATE Core requirement
• Prior HVAC education and/or field experience
• A working knowledge of basic HVAC fundamentals
Required Text: Commercial Refrigeration for Air Conditioning Technicians, 4th Edition (included in the program price)
Total Hours: 174
This program is recognized for continuing education hours (CEH) and for NATE continuing education credits
Covers copper tubing fundamentals used in HVAC systems, including cutting, bending, brazing, and best installation practices.
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Introduces the electrical components commonly found in HVAC systems and their operation.
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Focuses on systematic electrical troubleshooting techniques using meters and schematics.
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Provides an in-depth understanding of motors used in HVAC systems and how to diagnose failures.
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Teaches measurement principles critical to HVAC performance and diagnostics.
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Builds foundational knowledge of the refrigeration cycle and system operation.
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Expands into advanced refrigeration components, piping, and controls.
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Covers proper service procedures for charging, evacuation, recovery, and system diagnostics.
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Develops practical troubleshooting skills for air conditioning systems using real-world scenarios.
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Focuses on systems using R-410A, including safety, service procedures, and system design differences.
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