: New material on refrigerant environmental requirements and the rise of low-GWP (Global Warming Potential) fluids like CO2cap C cap O sub 2 and hydrocarbons.
: For updates on modern industry shifts—like the transition to flammable refrigerants (A2L) mentioned in newer textbook editions—the Cooling Post offers a "RETHINK" series that explores these critical changes. Refrigeration and Air-Conditioning, Fourth Edition
: Practical rules such as the "3-minute rule" to prevent short-cycling and pressure imbalances . : New material on refrigerant environmental requirements and
For those looking for a useful blog post or professional resources related to (often referring to the work by G.F. Hundy, A.R. Trott, and T.C. Welch), several technical blogs and industry platforms provide excellent context and practical applications of its principles. Featured Blog Posts & Industry Resources For those looking for a useful blog post
: The ServiceTitan Blog features reviews of the Fourth Edition as a "must-read" for contractors, highlighting its utility for trade school and on-the-job learning. Core Concepts from the 4th Edition
: A highly recommended practical guide from Torr Engineering breaks down the refrigeration cycle into easy-to-understand descriptions, perfect for reinforcing the textbook's theoretical foundations.