side of the heat pump channel 55 is connected to the blower module 32 of the blower unit 30 and the other side of the heat pump channel 55 is connected to the treatment chamber 12 the condenser 53 is disposed in the heat pump channel 55 a tank module 70 for storing water is disposed in front of the cycle chamber 14 in some implementations a tank module frame 71 on which the tank module 70 is mounted is disposed in front of the inlet duct 34 the tank module 70 includes a water supply tank 80 for supplying water to the steam unit 40 and a drain tank 90 for storing condensed water collected in the treatment chamber 12 the water supply tank 80 is connected to the steam unit 40 so as to supply water to the steam unit 40 and the drain tank 90 is connected to the treatment chamber 12 so as to store water condensed in the treatment chamber 12 or the heat pump unit 50 the control unit 60 receives an inlet temperature from the inlet temperature sensor 39 the control unit 60 controls the steam unit 40 the blower unit 30 and the heat pump unit 50 in accordance with user settings or the inlet temperature such.