Overview

AI, Data Science & Cloud Certificates from Google, IBM & Meta — 50% Off

One plan covers every Professional Certificate on Coursera. 50% off Coursera Plus Annual for 10 days only — price increases June 17.

Unlock All Certificates

Refrigerants are the lifeblood of any cooling system, serving as the essential medium for heat transfer. This course provides a comprehensive look at how these substances function and the critical role they play in the HVAC industry. As environmental regulations evolve, understanding the transition from traditional chemicals to modern alternatives is vital for any forward-thinking technician. Completing this training ensures you stay compliant and competitive as the trade shifts toward greener, more cost-effective solutions.

Syllabus

How Do Refrigerants Work?

This module provides a technical overview of how refrigerants function as the primary medium for heat transfer within HVAC systems. It traces the journey of refrigerant through the compressor and metering device, explaining how changes in pressure and temperature allow for the cooling or heating of a conditioned space. Additionally, the module emphasizes the importance of a proper refrigerant charge to ensure system efficiency and the ability to maintain desired indoor temperatures.

Refrigerant Differences

This module provides an in-depth examination of the various ways common refrigerants differ. It details the critical safety standards for flammability and toxicity, explaining how these classifications are used to evaluate different substances.

Common Refrigerants

This module provides an in-depth comparison of R-22 and R-410A, the two most common refrigerants in the HVAC industry. It explores their chemical compositions, safety classifications, and the specific types of lubricants required for each. Additionally, the module covers the environmental regulations and phase-outs that are driving the transition toward more sustainable refrigerant alternatives.

Alternative Refrigerants

This module provides an in-depth look at alternative refrigerant types that have emerged as viable drop-in replacements for R-22. It explores the characteristics of R-343a, R-407c, and MO-99, highlighting their safety classifications, lubricant compatibility, and necessary system adjustments during retrofitting. Additionally, the module examines the environmental trade-offs of these alternatives, such as their zero ozone depletion potential versus their significant global warming potential.

Future Refrigerant Solutions

This module examines the transition toward environmentally friendly refrigerant solutions, highlighting their significantly lower global warming potential and their classification as mildly flammable (A2L) refrigerants. Technicians and contractors will learn the essential safety and maintenance considerations required for installing and servicing systems charged with these future-oriented products.

Final Knowledge Check

This final knowledge check is designed to reinforce key concepts from the lesson and assess your understanding. You’ll apply what you’ve learned through a series of multiple choice questions, helping ensure you’re confident and ready to move forward.