Copeland scroll compressors are manufactured by the subsidiary emerson climate technologies of the american multinational mixer emerson and are famous for their reliability and high efficiency worldwide. emerson mixer (founded in 1890, directed by david n. farr) is one of the largest us energy manufacturers with around 255 works in 150 countries and more than 127,700 employees worldwide. emerson climate technologies employs 1,300 people in 4 european plants: belgium, northern ireland and czech republic (2 works) and offers a wide range of brands of heat, ventilation, aircraft and refrigeration solutions of alco controls, copeland and dixell. for over 80 years, emerson has been introducing innovative technology to the market, from the first half-thermetic and hermetic compressors in the 1940s and 1950s on the highly efficient discus and scroll compressors for climate and heat engineering in the 1980s and 1990s to the new half-thermetic stream compressors and modern digital and speed-controlled scroll compressors with frequency converters. emerson climate technologies has lifted the scope of screech technology to a new level. today, 80 million copeland scroll devices are already installed worldwide, more than any other scroll compressor brand. copeland scroll compressors range from 1.5 to 40 hp and can be used with all common refrigerants, also with co2. copeland compressors are characterized by reduced co2 balance, innovative system construction, long life and low capital and operating costs. the structure of the type number of copeland compressors is as follows: