The phenomenal growth of the Refrigeration and Air Conditioning industry in recent years has led to the ever-increasing demand for energy. At the same time, environmental issues such as global warming require reductions in the burning of fossil fuels for electricity generation and the release of environmentally damaging refrigerants. In this fifth edition, the text has been updated to accommodate such technologies and environmental change, while still maintaining coverage of older technologies still in use. Covers multiple Training packages including, Construction, Plumbing & Services.