Midea’s exclusive Inverter Quattro technology makes the most of the rotary compressor, making it one of the most efficient in the world. Midea Inverter compressors work dynamically, efficiently, quickly and stably, all 4 in 1 at the same time, under any load conditions. With Inverter Quattro Technology, the air conditioner is able to provide the desired level of cooling with the least possible energy consumption, which keeps the temperature constant and creates comfortable conditions during the day and night.