Now in its fourth edition, this respected text delivers a comprehensive introduction to the principles and practice of refrigeration. Clear and straightforward, it is designed for students (NVQ/vocational level) and professional HVAC engineers, including those on short or CPD courses. Inexperienced readers are provided with a comprehensive introduction to the fundamentals of the technology. With its concise style yet broad sweep the book covers most of the applications professionals will encounter, enabling them to understand, specify, commission, use and maintain these systems. Many readers will appreciate the clarity with which the book covers the subject without swamping them with detailed technical or product specific information.New material in this edition includes the latest refrigerants codes and pipe sizing guides, updated lubriaction systems, adiabatic cooling, new electronic systems such as expansion valves, liquid chillers, insulating materials and fire regulations, retail refrigeration (supermarket systems and cold rooms) and industrial systems, dehumidifiers and air infiltration.* Covers principles, methods and application of refrigeration and AC in a concise volume, without the encumberance of handbook information found in other volumes* Ideal for vocational students and engineers overage of all systems they are likely to encounter including not only buildings services, but transportation, industrial, commercial and domestic systems, heat pumps and dehumidification systesm. * Full revision from the president of the UK Institute of Refrigeration, with all new diagrams and illustrations