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The evaporator would be capable of reducing the temperature of air passing through the fins and this is a prime example of the refrigeration effect. Are you looking for refrigeration and air conditioning technology 8th edition answer key pdf pdf, word document or powerpoint file formats for free? Then you already in the right place. Refrigeration & Air Conditioning. In business since 2003, India Heating, Air Conditioning and Refrigeration serves the residential heating, residential cooling and commercial refrigeration needs of Aurora, Naperville and Bolingbrook, Illinois and surrounding areas. Refrigeration & Air Conditioning - Refrigeration may be defined as the process of achieving and maintaining a temperature below that of the surroundings, the aim being to cool some product or spa. Energy Conservation- Refrigeration and Air Conditioning Systems This document, and more, is available for download from Martin's Marine Engineering Page - www. 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Refrigeration is a process where thermal energy is transferred from a place with lower temperature to a place with higher temperature using energy, against he natural flow of heat. If, however, the applied pressure is raised to a higher value, then additional heat is required to vaporize the liquid.