Mitsubishi Heavy Industries, Ltd. Development a new "Saison air conditioner" for commercial use in the spring of 1995. The outdoor unit of the air conditioner has a slender profile. It satisfies the recent demand of small installation area and lower energy consumption. This was realized by the development of a new horizontal scroll compressor, which was the first horizontal compressor for commercial use. Though horizontal compressors had not been commercialized due to their low reliability, the improvement of reliability by using our lubrication technology has made it possible. Both high efficiency and low noise have also been achieved.
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