AIR CONDITIONER

摘要

According to one embodiment of the present invention, an air conditioner comprises: at least one indoor unit; an EHP outdoor unit connected to at least one indoor unit and operating a first compressor using electricity; and a GHP outdoor unit connected to at least one indoor unit and having an engine operating a second compressor through a combustion gas. The GHP outdoor unit comprises: a drain filter discharging condensed water of an exhaust gas discharged from the engine; and a drain filter circulation pipe exchanging heat with the drain filter and enabling a coolant discharged from the first compressor of the EHP outdoor unit to be introduced to be discharged to the EHP outdoor unit.