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Hitachi's Air-Conditioning and Refrigeration Group markets an extensive range of commercial and industrial air-conditioning and refrigeration equipment using some of the world's most advanced technologies. Advanced technology equipment, guaranteeing high performance, includes 'screw' compressors for chillers and 'scroll' compressors with inverters for multi-fan coil air-conditioning systems. Also in the repertoire, is the world's highest efficiency large tonnage steam absorption chillers - suitable for diverse applications like district cooling.
Hitachi's series of air conditioners makes use of a new refrigerant that contains no ozone-layer depleting materials. In addition, they have a cycle-heating dehumidification system which allows the user of the air conditioner to experience freshness that comes from being able to keep the level of humidity low even as the temperature of the room increases. When considering the need to switch between cooling and heating due to changes in seasons, differences in room temperature, and the need to cool offices all year round, arising from widespread use of computers and terminal devices, heat recovery operations are a precondition for air-conditioning systems in buildings. To meet such needs, Hitachi developed a new multi-split air-conditioning system called "SET-FREE FSXN", which supports heat recovery operations. With an expanded lineup, enhanced efficiency, reduced dimensions and improved workability, SET-FREE FSXN offers superb energy-saving efficiency and better comfort.
In the area of air conditioners and refrigerators much like other products, Hitachi carefully takes into account what consumers want and applies that knowledge directly to the products they develop. It has always been a Hitachi tradition to apply similar innovations to as many of the company's consumer electronics products as possible.