The latest edition, published by , introduces several critical updates to reflect the rapidly evolving industry:

The textbook is supported by a robust digital platform that includes:

Diagnostic procedures for both residential and complex commercial systems. Digital Learning Suite

: Extensive coverage of the industry shift toward mildly flammable (A2L) refrigerants and compliance with new federal environmental regulations.

You can find more information about these educational tools on the Goodheart-Willcox official site or explore the curriculum through the Modern Refrigeration and Air Conditioning 22nd Edition digital preview.

: Visual demonstrations of service procedures and equipment operation.

: Expanded sections on airborne pathogen mitigation and advanced filtration, a priority following recent global health events.

: All commercial system controls are now consolidated into Chapter 26, while Chapter 9 introduces core refrigeration components earlier to accelerate student understanding. Diagnostic & Troubleshooting Focus