They are also used in compressorories and manufacturing refrigerators, for example, air-cooled compressors.
A compressor is used as a small machine to operate air compressors, and it is also called a rotary compressor. The price of a compressor generally depends on the types of air compressors, and the price of a 2-phase compressor generally depends on the type of compressor and the choice of portable air compressors.