An integrated washing-drying machine comprising: a housing; a drying drum disposed at an upper side in the housing and configured to accommodate and dry laundry; a washing drum disposed at a lower side in the housing and configured to accommodate and wash laundry; a heat pump having an evaporator, a compressor, and a condenser, and wherein the heat pump is configured to produce hot air for drying laundry and to supply the hot air to the drying drum; and a cleaning means configured to clean the condenser by spraying cleaning water to the condenser, wherein the cleaning means is configured to use, as the cleaning water, at least any one of condensate water produced in the evaporator and washing water to be supplied to the washing drum, and characterised in that: the cleaning means comprises: a cleaning nozzle configured to spray the cleaning water to the condenser; a condensate water supply unit comprising a condensate water storage tank configured to store the condensate water produced in the evaporator, and a pump configured to supply the condensate water stored in the condensate water storage tank to the cleaning nozzle; a washing water supply unit comprising a washing water supply flow path branching off from a washing machine water supply unit, connected to the cleaning nozzle, and configured to supply the washing water, and a washing water supply valve configured to open or close the washing water supply flow path; and a control unit configured to control the pump and the washing water supply valve so that at least any one of the condensate water and the washing water is supplied to the cleaning nozzle and used as the cleaning water. a housing; a drying drum disposed at an upper side in the housing and configured to accommodate and dry laundry; a washing drum disposed at a lower side in the housing and configured to accommodate and wash laundry; a heat pump having an evaporator, a compressor, and a condenser, and wherein the heat pump is configured to produce hot air for drying laundry and to supply the hot air to the drying drum; and a cleaning means configured to clean the condenser by spraying cleaning water to the condenser, wherein the cleaning means is configured to use, as the cleaning water, at least any one of condensate water produced in the evaporator and washing water to be supplied to the washing drum, and characterised in that: the cleaning means comprises: a cleaning nozzle configured to spray the cleaning water to the condenser; a condensate water supply unit comprising a condensate water storage tank configured to store the condensate water produced in the evaporator, and a pump configured to supply the condensate water stored in the condensate water storage tank to the cleaning nozzle; a washing water supply unit comprising a washing water supply flow path branching off from a washing machine water supply unit, connected to the cleaning nozzle, and configured to supply the washing water, and a washing water supply valve configured to open or close the washing water supply flow path; and a control unit configured to control the pump and the washing water supply valve so that at least any one of the condensate water and the washing water is supplied to the cleaning nozzle and used as the cleaning water. a cleaning nozzle configured to spray the cleaning water to the condenser; a condensate water supply unit comprising a condensate water storage tank configured to store the condensate water produced in the evaporator, and a pump configured to supply the condensate water stored in the condensate water storage tank to the cleaning nozzle; a washing water supply unit comprising a washing water supply flow path branching off from a washing machine water supply unit, connected to the cleaning nozzle, and configured to supply the washing water, and a washing water supply valve configured to open or close the washing water supply flow path; and a control unit configured to control the pump and the washing water supply valve so that at least any one of the condensate water and the washing water is supplied to the cleaning nozzle and used as the cleaning water.