This guide presents, in a concise and didactic manner, all solutions making it possible to reduce the energy consumption of refrigeration and air-conditioning systems, including heat pumps. This is a vital issue as these systems consume approximately 15% of worldwide electricity. These solutions apply to the design, operation and maintenance of various systems (compressors, condensers, expansion devices, evaporators, etc.) and take refrigerant selection into account. Several practical cases of highly energy-efficient systems are presented, as well as an extensive bibliography and an overview of the main applicable regulations and standards. A French version should be available in 2008.

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