Refrigeration Manual Part 1: Fundamentals of Refrigeration

A concise visual primer on refrigeration, walking through the refrigeration circuit, its main components, and how heat is moved from one place to another. A quick, approachable starting point with clean illustrations.

Danfoss

A thorough introductory course on refrigeration, from how heat moves to the full vapor compression cycle and its components. Packed with clear diagrams that make the basics easy to grasp.

Rusty Walker

A beginner friendly presentation explaining the four key components of the refrigeration cycle: compressor, condenser, evaporator, and metering device. Ideal for a first look at how a system moves heat.

RCA Technical Institute

An ASHRAE workshop presentation that walks through the core principles of refrigeration, the vapor compression cycle, refrigerants, and real system applications. Rich in diagrams and worked examples for students and technicians.

Ir Dr. Sam C. M. Hui

A university chapter introducing refrigeration and air conditioning, explaining how systems remove heat and maintain low temperatures. Covers food preservation, thermal comfort, and the basics of air treatment.

Landmark University