A laundry treating apparatus comprising: a cabinet having an opening defined in a front face thereof; a drum disposed rotatably in the cabinet and having a laundry inlet defined in a front face thereof through which laundry is input into the drum ; a base disposed below the drum and providing a space in which air inside the drum circulates; and a motor configured to provide power to rotate the drum , wherein the base comprises: an air circulating channel communicating with the drum , and intaking air from the drum and re-supply the air to the drum ; a heat exchanger comprising a first heat exchanger disposed inside the air circulating channel to cool the air, and a second heat exchanger spaced apart from the first heat exchanger to heat the air cooled by the first heat exchanger ; a water collector body disposed out of the air circulating channel and communicating with the air circulating channel and constructed to collect water condensed in the first heat exchanger ; a pump for moving the water collected in the water collector body ; a cleaning water channel disposed on a top face of the air circulating channel , and receiving water from the pump , and discharging the received water to the first heat exchanger ; and characterized by a nozzle cover coupled to the top face of the circulating channel so as to shield the cleaning water channel . a cabinet having an opening defined in a front face thereof; a drum disposed rotatably in the cabinet and having a laundry inlet defined in a front face thereof through which laundry is input into the drum ; a base disposed below the drum and providing a space in which air inside the drum circulates; and a motor configured to provide power to rotate the drum , wherein the base comprises: an air circulating channel communicating with the drum , and intaking air from the drum and re-supply the air to the drum ; a heat exchanger comprising a first heat exchanger disposed inside the air circulating channel to cool the air, and a second heat exchanger spaced apart from the first heat exchanger to heat the air cooled by the first heat exchanger ; a water collector body disposed out of the air circulating channel and communicating with the air circulating channel and constructed to collect water condensed in the first heat exchanger ; a pump for moving the water collected in the water collector body ; a cleaning water channel disposed on a top face of the air circulating channel , and receiving water from the pump , and discharging the received water to the first heat exchanger ; and characterized by a nozzle cover coupled to the top face of the circulating channel so as to shield the cleaning water channel . an air circulating channel communicating with the drum , and intaking air from the drum and re-supply the air to the drum ; a heat exchanger comprising a first heat exchanger disposed inside the air circulating channel to cool the air, and a second heat exchanger spaced apart from the first heat exchanger to heat the air cooled by the first heat exchanger ; a water collector body disposed out of the air circulating channel and communicating with the air circulating channel and constructed to collect water condensed in the first heat exchanger ; a pump for moving the water collected in the water collector body ; a cleaning water channel disposed on a top face of the air circulating channel , and receiving water from the pump , and discharging the received water to the first heat exchanger ; and characterized by a nozzle cover coupled to the top face of the circulating channel so as to shield the cleaning water channel . <EOS>