A2L Refrigerant Safety Training


Free for ACCA Members & Your Entire Team

qtech on-demnd hvacr training On-Demand HVACR Training


Per Person
All ACCA Members
and Teams

Free member pricing includes access for your entire team!

  • Available in English and Spanish
  • Low-Rise Residential Applications
  • No additional cost to ACCA Members

Empower your entire HVAC team with our essential A2L Refrigerant Safety Training - at no cost for members. If you're not yet a member, join ACCA to access this vital training for free, or take advantage of our expert-led course at a value, ensuring your team's safety and compliance in the industry.

What Does the ACCA A2L Safety Training Cover?

ACCA’s program was developed based on the ASHRAE Standards 15 (2019), 15.2 (2022), and 34 (2019) and UL Safety Standards 60335-2-40 (2019), and 60335-2-89 (2019), which provides an introduction to the new refrigerant, instruction on how to handle it safely, and reviews tools that will be needed to work on equipment with A2L refrigerants.

The ACCA – A2L Refrigerant Safety Course Outline (2023) is divided into five modules. Each module is divided into sections that delve deeper into the respective topics, providing comprehensive knowledge about A2L refrigerants.

Module 1:
Introduction to A2L Refrigerants

An overview of A2L refrigerants, including their evolution, properties, and the applicable standards. It also discusses environmental trends, safety concerns, and precautions related to A2L refrigerants.

Module 2:
System Replacement and Refrigerant Piping Evaluation

Focuses on when system replacement is needed, OEM recommendations, and matching indoor and outdoor units. It also covers the evaluation of refrigerant piping in existing and new homes and the documentation required.

Module 3:
Refrigerant Charge Calculation

Introduces the concept of refrigerant charge calculation, focusing on A2L refrigerants. It provides a basic calculation for refrigerant change and offers applied practice scenarios.

Module 4:
Refrigerant Piping Requirements

This module discusses the installation of refrigerant piping, joint preparation, protection and support, and requirements for shafts, ventilation, and penetrations.

Module 5:
Charging Procedures and Documentation

Covers safety procedures for inspection and service, adding and recovering refrigerants, piping system tests, and documentation practices for A2L refrigerants.



Thank you to Arkema, Chemours, Honeywell, and Worthington Industries for your contributions to the course and the materials. ACCA is dedicated to making sure that all industry professionals have the most updated information and training to keep themselves and their customers safe.

Sample Badge

Earn CEU/CEHs and a Badge for Your Profile

Available Credits from this Training:
BPI - 1 CEU 
ICC - 0.2 CEUs — Course No. 26663
HVAC Excellence - 0.2 CEHs/0.2 CEUs for the following HVAC Excellence Certifications:
- Residential Air Conditioning
- Light Commercial Air Conditioning
- Air Conditioning Installer
- Heat Pump
- Commercial Refrigeration
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It Pays to Be a Member! A2L Training is Just One of the Many Perks of Being a Member of ACCA!

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If You are Enrolling Multiple People at Once, ACCA Can Help Make the Process Easier.

Use the form below to enroll multiple people at the same time. After submitting the request, an ACCA education representative will reach out to finalize registration and payment (if necessary).