About this course

This course provides HVAC technicians with essential skills for properly charging residential split air conditioning systems. Participants will learn industry-standard methods for determining correct refrigerant levels, understand the critical relationship between airflow and charging, and master both superheat and subcooling charging techniques for TXV and non-TXV systems. Through practical examples and step-by-step procedures, technicians will gain confidence in system diagnostics and charging protocols that ensure optimal performance, energy efficiency, and equipment longevity.

Designed for new technicians entering the field, this course emphasizes safety protocols, proper tool usage, and real-world troubleshooting scenarios. By course completion, participants will be equipped with the knowledge and skills needed to perform accurate system charging that meets manufacturer specifications and industry standards.

Course Outline
  • Why is it Important to Properly Charge an Air Conditioning System?
  • Determining Proper Airflow - ABC (Air Before Charging)
  • Methods of Refrigerant Charging
  • Which Method to Use and Why?
  • When to add refrigerant to a system
  • Weighing in the charge
  • Charging Non-TXV Systems
  • Using a Superheat Calculator
  • Charging a TXV System

Learning Objectives

  • Demonstrate proper refrigerant charging procedures for both TXV and non-TXV residential split AC systems
  • Evaluate system airflow requirements and implement the 'Air Before Charging' protocol
  • Apply appropriate charging methods based on system type and operating conditions

Course outline

2 modules
1 hour to complete
46 minutes of video lectures
Welcome • 9 assignments
How to Verify the Refrigerant Charge on a Residential Split-System Air Conditioner

This course is self-paced, so you don’t need to be logged in at any specific time. You can get started immediately after you enroll and the course materials will remain in your account with minimum guaranteed access for 12 months (1 year) after enrollment.

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Conclusion • 2 assignments
Feedback and Additional Resources

This is our last module but you still have access to the all of course materials for 12 months (1 year), so keep working and you'll be able to complete the course at your own pace. After your year of access expires you can optionally extend access with a HeatSpring Membership. Enjoy the course and keep in touch!

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Author

Joe Marchese

Coldtronics

I started my career working in my family's HVAC/R contracting business in New York City.  After selling the business I went on to hold many diverse positions in our industry such as the National Service Manager for a Coldelite Corp., Refrigeration Facilities Manager for Kmart Corporation, and Service Supervisor for Carrier Corporation, trainer for the International...

Frequently asked questions

Full FAQ
How does this course work?
You can begin this online course instantly upon enrollment. This course is delivered entirely online. Pre-order courses are available on launch date. This course is self-paced and you can set your own schedule to complete the materials. You can begin the lecture videos and other course materials as soon as you enroll. After successfully completing the course, you will be able to generate a certificate of completion.
How long do I have access to the materials?
Students get unlimited access to the course materials as soon as they enroll and for one year (365 days) after enrollment. Rewatch videos and review assignments as many times as you want. View updates the instructor makes to the course as the industry advances. Return to your course anytime with online access from anywhere in the world. After the one year of access expires, access can be extended by joining as a HeatSpring member. A single membership extends access to course materials for all past enrollments.
Is there a certificate of completion?
Yes, when you complete this course you are eligible for a certificate of completion from HeatSpring. You can download your certificate as soon as you have completed all of the course requirements. Students can easily share their verified certificates on their LinkedIn profiles using our LinkedIn integration.
Can I register multiple people?
Yes, please visit our For Teams page to get a group discount.

$125

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