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
Our Mini-Splits Program provides a complete learning pathway from fundamentals to advanced diagnostics for today’s most in-demand ductless and multi-split HVAC systems.
Students begin with core principles of mini-split operation and installation, then progress into controls, electronics, performance engineering, and advanced troubleshooting.
Prerequisite: It’s recommended that students have a basic understanding or working knowledge of HVAC systems.
Required Text: Inverter Mini Split Operation and Service Procedure (included in the program price)
Total Hours: 27
This program is recognized for continuing education hours (CEH) and for NATE continuing education credits
This course introduces students to the fundamentals of ductless mini-split systems, including operation, installation practices, and key differences compared to traditional HVAC systems. Ideal for new technicians or those transitioning into ductless/multi-split applications.
CEH Credit: 15 hours
Modules:
This course expands into the advanced technologies used in ductless and multi-split systems, covering electronics, system performance, and professional-level troubleshooting strategies for real-world application.
CEH Credit: 12 hours
Modules:
Copyright © 2025 New England Trade School All rights reserved.
