Wednesday July 3rd, 2024 - 8:30 am - 10:30 am EST (Toronto Canada Time Zone)

Module 1: Refrigeration fundamentals, compressor resources. Understanding refrigeration scroll compressors and how to effectively install, maintain and service them.

Wednesday July 10th, 2024 - 8:30 am - 10:30 am EST (Toronto Canada Time Zone)

Module 2: Semi-hermetic compressor theory and fundamentals. Why the basics are so important to know. Learn about compressor capacity controls, how they work, where to apply, and the steps to take when troubleshooting.

Wednesday July 17th, 2024 - 8:30 am - 10:30 am EST (Toronto Canada Time Zone)

Module 3: Deep dive on capacity controlled compressors, motors and electrics of 1ph and 3ph compressor. We will review different electronic modules and how to effectively become more confident at troubleshooting and finding the root problem when you have an electrical issue.

Wednesday July 24th, 2024 - 8:30 am - 10:30 am EST (Toronto Canada Time Zone)

Module 4: Root Cause Analysis: Understanding the WHY. Not just repairing symptoms but attacking the system problem to reduce multiple system failures.

These session will be recorded so you can rewatch them at a later date if needed

If you have any issues please email

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Do you want to have the confidence of a Highly Skilled Technician?

About Refrigeration Mentor

Refrigeration Mentor is a global training and development organization that is dedicated to training, educating, and mentoring refrigeration professionals throughout the industry.  The founder, Trevor Matthews who is a Certified Training & Development Professional and a subject matter expert in commercial refrigeration systems, has worked as a technician installing, commissioning, and servicing supermarket racks, commercial refrigeration, and HVAC systems.  

Trevor has trained thousands of technicians, managers, and business owners and has helped educators, contractors and manufacturers develop trainings around specific refrigeration topics that met their needs.  Trevor takes a systematic approach when designing a program and makes sure the information is easily digestible from servicing and troubleshooting systems to making technologies like CO 2 refrigeration seem simple to work with, while motivating and building confidence in the learners.

We pride ourselves on providing honest, value-adding, and high-quality training services. We work with our clients to customize learning and development programs that meet their specific needs, from technical training design to full program rollouts that focus on building a culture around training, education and mentoring within your organization.

Note: For best results and viewing purpose please use a desktop computer, laptop computer or tablet that has or uses a mic and camera so you get the full feel of the program. 

**This course is a continued professional development program to add to your current knowledge & skills and it is not a substitute for your local Refrigeration and HVAC qualifications. Always follow local codes and safety protocols. 


This Compressor Masterclass is designed for Refrigeration Professionals (technicians) who don't want to be stressing on jobsites and want to know how to properly install, service and troubleshoot any semi-hermetic or scroll compressor.  This program will improve your knowledge, competency and confidence when working on commercial refrigeration systems, so you look like a Rockstar in front of your customers and boss.  Any technician who has completed this learning program will have the tools and resources to figure out what issues are and how to resolve them fast and effectively.  

I created this learning program from the years of knowledge pass down to me from subject matter experts and compressor gurus.  If you are looking to become the top technician at your company this course will help you get there.  

4-week Learning Program

Learning modules will consist of 3 major activities with measurable goals to keep you on track:

1. Each week a 2 hour online instructor led training with interactive work, polls, and quizzes 

2. Assignments with on-the-job practical learning

3. Knowledge assessments and Q&As to solidify previous modules

Every module will finish with a knowledge assessment and an assignment that solidifies knowledge.

Modules include:

Understanding Compressors and How They Function

     Introduction to semi-hermetic and scroll compressors.

     Design and construction 

     Understand their functions and how they work.

     Understand Compression Ratio (CR), what effect it has on the systems

     Learn about compressor performance charts.


Installing, Servicing and Troubleshooting Compressors

     Discuss how to properly install, service and troubleshoot these compressors

     Learn how to find the specific manufacturers guides for each type of compressor 

     Learn how to find the answers you are looking for faster.

     Understanding compressor operation envelopes


Capacity Controlled Compressors

     Understand how unloading compressors work and function

•   What are tandems and trios and how to properly service them 

     Why digital compressors are used

     Understand how digital compressors work and function

     Learn how to service and troubleshoot when there is an issue

Basic Refrigeration and Fundamentals 

     How refrigeration works

     Basic components of a refrigeration system

     Compressor, condenser, metering device and evaporator overview 

     Review on pressure enthalpy diagram       


Applying Safety and Handling Practices 

     Refrigeration hazards & safety considerations

     Personal safety and safety equipment (PPE)

     Pressure-temperature relationship

Piping Practices

     Proper brazing practices for piping, components, and compressors

     Best piping practices

     Sloping, traps & inverted traps

     Properly insulating pipes

     How to support piping


Electrical Troubleshooting

    Basic electrical troubleshooting

•   How to read wiring diagrams

   Verifying compressor wiring & contactor sizing

   Electrical troubleshooting from a wiring diagram

    Electrical safety procedures


Pressure Test & Evacuation Procedure

    Proper pressure test procedures

    Testing vacuum pump and oil changes

    System and circuit evacuation 

    How to perform a triple evacuation

Troubleshooting Compressors

    Compressor not running

    Compressor starts but trips

    Compressor short cycling

    Compressor noisy or vibrating

    Compressor failure 

    Compressor failure 

Module 3: Compressor Motors & Electrics

Module 2: Everything Semi-hermetic 

Module 4: Root Cause Analysis

Module 1: Deep Dive Scroll Compressors


To earn a certificate of completion of the 4-week Compressor Masterclass Learning program, the refrigeration professional must finish their quizzes, assignments, and the final knowledge assessment. Following completion of the virtual program, they will receive a certificate from Refrigeration Mentor. 

*Virtual Training Schedule: