The textbook and reference work for students and engineers provides a comprehensive overview of the fundamentals of refrigeration technology – covering various refrigeration processes and machines, system components, refrigerants, as well as cooling load calculations and energetic and exergetic considerations. Applications such as heat pumps, cooling towers, vehicle air conditioning, and cryogenic technology are clearly explained. The author places particular emphasis on enabling readers to analyze and evaluate the feasibility of alternative technical options. The book is suitable for self-study. In the second edition, all content, especially the presentation of refrigerants, has been updated to reflect the current normative and technical standards.