Patent ID: 8205467

Claim:
An air conditioning apparatus for conducting air conditioning by changing a state of a refrigerant, comprising: a heat source unit including a heat source side compressor configured to compress the refrigerant, a heat source side heat exchanger configured to conduct heat exchange of the refrigerant, and a heat source side expansion mechanism configured to decompress the refrigerant; a first utilization unit including a first utilization side compressor configured to compress the refrigerant, a first utilization side heat exchanger configured to conduct heat exchange of the refrigerant, and a first utilization side expansion mechanism configured to decompress the refrigerant; a second utilization unit including a second utilization side compressor configured to compress the refrigerant, a second utilization side heat exchanger configured to conduct heat exchange of the refrigerant, and a second utilization side expansion mechanism configured to decompress the refrigerant; a refrigerant communication pipe arranged to connect the heat source unit and the first and second utilization units; and a control section configured to control the first utilization side compressor and the first utilization side expansion mechanism in accordance with an operation load of the first utilization unit and configured to control the second utilization side compressor and the second utilization side expansion mechanism in accordance with an operation load of the second utilization unit.