SPI is an energy-saving air conditioner for light commercial use that was designed to meet our customer's needs. SPI is able to reduce the refrigerant volume and achieve a high Energy Efficiency Ratio (EER). Due to its compact size, the unit can even be installed in small shops. In addition, the unit is equipped with various standard features, such as an AUTO restart function for blackouts, to ensure stable operation. SPI is a new type of air conditioner which, thanks to the above advantages can be used.