A split air conditioner having an indoor unit and an outdoor unit. A piping system interconnects the indoor unit with the outdoor unit. The indoor unit has an indoor heat exchanger for cooling or heating air in the indoor unit. The outdoor unit has a compressor, a first outdoor heat exchanger, and a second outdoor heat exchanger. The compressor is configured to drive a refrigerant via the first outdoor heat exchanger and the second outdoor heat exchanger in a refrigerant circuit. The piping system is configured to circulate an energy transport media from the first outdoor heat exchanger via the piping system to the indoor heat exchanger.