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 Online Refrigeration Training Program is an advanced, fully online curriculum designed for technicians pursuing NATE Certified Technician credentials in Commercial Refrigeration, as well as HVACR technicians, contractors, facilities personnel, and commercial maintenance professionals seeking a deeper understanding of commercial refrigeration systems used in supermarkets, restaurants, warehouses, food service, and other commercial environments.
Training begins with refrigeration fundamentals and progresses into advanced commercial refrigeration topics, providing practical, system-wide knowledge of refrigeration principles, evaporators, condensers, compressors, metering devices, controls, accessories, motors, refrigerants, service procedures, and troubleshooting.
Prerequisite: It’s recommended that you have a solid understanding or working knowledge of HVACR fundamentals before enrolling in this intermediate program.
Required Text: Commercial Refrigeration for Air Conditioning Technicians (included in the program price)
Total Hours: 231
This program is recognized for continuing education hours (CEH) and for NATE continuing education credits
Copper Works is a unique online course designed to support hands-on copper lab work. It features image-rich lessons and streaming videos to guide skill development. Ideal for technicians looking to improve copper-working skills without attending a classroom.
CEH Credit: This course is NATE-recognized for 12 continuing education hours (CEHs) toward recertification.
Modules:
• Copper Tubing/Pipe and Fittings
• Cutting, Flaring, Swaging & Bending Tubing
• Torch Safety and Operation
• Soft Solder
• Silfos Braze
• Silver Braze
This course builds on Electrical 112 and covers common control components used in HVACR systems. It includes real-world examples, electrical sequences of operation, and instruction in wiring and schematic reading, aligned with ACCA Quality Installation & Maintenance Standards. The ESCO Electrical Theory and Application e-book is included.
CEH Credit: 18 hours of continuing education (CEHs) applicable to NATE re-certification.
Modules:
This four-module course builds the skills needed to diagnose and troubleshoot electrical problems in HVACR systems. It focuses on electrical testing tools, reading schematics and diagrams, and real-world troubleshooting scenarios across a wide range of equipment and manufacturers.
CEH Credit: This course is NATE-recognized for 12 continuing education hours (CEHs) toward recertification.
Modules:
This course covers common single-phase and small three-phase electric motors, including motor theory, types, starting components, and protection devices. It also develops practical skills in motor diagnostics and replacement, aligned with ACCA Quality Installation & Maintenance Standards. The ESCO Electrical Theory and Application e-book is included.
CEH Credit: 21 hours of continuing education (CEHs) applicable to NATE re-certification.
Modules:
This course introduces HVAC comfort systems, covering heat energy, human comfort, and the psychrometric chart. It includes the Psychrometrics Without Tears eBook to reinforce key concepts. The course concludes with airflow principles, measurements, and calculations, aligned with ACCA Quality Installation & Maintenance Standards.
CEH Credit: This course is NATE-recognized for 18 continuing education hours (CEHs) toward recertification.
Modules:
This course covers the key differences between R-22 and R-410A, including regulations, industry impact, and application requirements. It provides practical guidance for safely servicing R-410A systems and includes a certificate of completion that meets many manufacturers’ safety and service requirements. Instruction aligns with ACCA Quality Installation & Maintenance Standards.
CEH Credit: 18 hours of continuing education (CEHs) applicable to NATE re-certification.
Modules:
A comprehensive introduction to the refrigeration cycle as applied to both air conditioning and refrigeration systems. The course teaches a systematic approach to diagnosing refrigeration cycle issues by understanding the conditions that control system operation. Instruction aligns with ACCA Quality Installation and ACCA/ASHRAE Standard 180.
CEH Credit: 18 hours (NATE re-certification)
Modules:
A continuation of Refrigeration I, focusing on system accessories, piping design, component applications, and system operation. Builds on foundational refrigeration knowledge to prepare students for more advanced commercial topics. Instruction aligns with ACCA Quality Installation and ACCA/ASHRAE Standard 180.
CEH Credit: 18 hours (NATE re-certification)
Modules:
Covers all major components and principles of commercial refrigeration, comparing them to systems technicians already know from HVAC. The course builds strong troubleshooting skills, including diagnosing the nine most common system issues and using TROT (The Rule of Thumb) when manufacturer data isn’t available.
CEH Credit: 24 hours (NATE re-certification)
Modules:
A continuation of HVACR Commercial Refrigeration-I, covering more advanced applications and systems. Topics include compressor motor controls, retrofitting, recovery, charging, supermarket refrigeration, walk-in coolers/freezers, ice machines, and proper product temperature management. Students also learn when to apply TROT.
CEH Credit: 18 hours (NATE re-certification)
Modules:
This course introduces Low GWP refrigerants, including A2L (slightly flammable) and hydrocarbon (A3) options like propane and isobutane. It explains why legacy refrigerants are being phased out and provides essential guidance on safe handling, transportation, and system operation.
Module:
A deep dive into compressor failure diagnostics through real teardown demonstrations. It walks through multiple semi-hermetic compressor failures from different manufacturers, showing how to identify the root cause of each issue.
Module:
This advanced course covers refrigerant leak detection, evacuation, and charging procedures essential to system reliability. It provides step-by-step instruction on locating leaks, using vacuum pumps and micron gauges, and verifying proper system charge. Instruction aligns with ACCA Quality Installation standards and ACCA/ASHRAE Standard 180.
CEH Credit: This course is NATE-recognized for 9 continuing education hours (CEHs) toward recertification.
Modules:
The NATE Core Program prepares technicians to pass the NATE Core Exam, a required step before taking any specialty certification exam. Once passed, the Core Exam does not need to be retaken as long as specialty certifications remain active. Students complete the courses sequentially, with a 97% first-attempt pass rate on the NATE Core Exam.
Includes:
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