Skip to content

Training Library

Low GWP Refrigerant Safety: Flammable and Mildly Flammable (A2L) Refrigerants

Online

HVAC U logo

Equip yourself with the knowledge needed to pass the Low GWP Refrigerant Safety Refrigerant Handling Certification Exam.

Older refrigerants are being replaced with more efficient and environmentally friendly refrigerants. Many of these refrigerants are classified by ASHRAE (American Society of Heating Refrigeration and Air Conditioning Engineers) as flammable. This training course includes self-paced on-demand modules, applicable textbooks and materials, all exams, tutoring, and proctoring services.

Addressing Environmental Concerns

Learn how to handle low GWP refrigerants to combat ozone depletion and global warming.

EPA Regulation Compliance

Refrigerant Safety – A2L Refrigerants examination validates that a person possesses the knowledge to safely work with low GWP refrigerants and helps reduce liability.

Preparation for Certification

Equip yourself with the knowledge needed to pass the Low GWP Refrigerant Safety Refrigerant Handling Certification Exam.

Review Course Curriculum

More Recent Training Courses

EnergySmart Institute logo

RESNET HERS Rater Certification Training

This course trains students to be Certified Home Energy Raters (HERS Raters), teaches the basics of Home Energy Ratings, and prepares you for the RESNET national rater and practical simulation exams. It also includes RESNET Combustion Safety and Workscope Training to prepare you for the RESNET national CAZ (Combustion Appliance Zone) Testing exam and practical simulation exam.
Online
Building Performance Strategies logo featues A line houses

BPI Building Science Principles Online with Exam

This training will prepare candidates for the BSP exam (included). The BSP certificate  is a BPI pre-requisite for the new Building Analyst - Technician Certification.
In-Person
Building Performance Strategies logo featues A line houses

BPI Building Science Principles and Building Analyst – Technician Combo Course – January 2026

Take this combo class to obtain the BPI Building Science Principles certification AND the Building Analyst Technician Certification.
In-Person