Inverter compressor

In air conditioning, an inverter compressor is a compressor that is operated with an inverter.

In the hermetic type, it can either be a scroll or reciprocating compressor. This type of compressor uses a drive to control the compressor motor speed to modulate cooling capacity. Capacity modulation is a way to match cooling capacity to cooling demand to application requirements.

The first inverter air conditioners were released in 1980-1981.[1][2]