A home appliance comprising: a steam generator configured to generate steam to supply the generated steam to an object accommodation part where an object is accommodated, wherein the steam generator comprises, a housing configured to accommodate water supplied thereto; a heater configured to heat the water accommodated in the housing by heating the housing to generate steam; and a control unit configured to cut off or apply an electric power of the heater based on the temperature of the housing, characterized in that control unit comprises, a control signal generator provided adjacent to a side of the housing and configured to generate a heater power control signal based on the temperature of the housing, and a heater controller configured to cut off or apply the power of the heater based on the control signal, wherein the control signal generator is configured to generate a heater power cut off signal when the temperature of the housing reaches a first preset temperature, and the heater controller is configured to determine there is no water within the housing based on the heater power cut off signal and to cut off the power supplied to the heater based on the heater power cut off signal, wherein the control signal generator is configured to generate a heater power applying signal when the temperature of housing is lowered to a second preset temperature from the first preset temperature, and the heater controller is configured to apply the power supplied to the heater based on the heater power applying signal, wherein the second preset temperature is over the boiling point of water but lower than the first preset temperature. a steam generator configured to generate steam to supply the generated steam to an object accommodation part where an object is accommodated, wherein the steam generator comprises, a housing configured to accommodate water supplied thereto; a heater configured to heat the water accommodated in the housing by heating the housing to generate steam; and a control unit configured to cut off or apply an electric power of the heater based on the temperature of the housing, characterized in that control unit comprises, a control signal generator provided adjacent to a side of the housing and configured to generate a heater power control signal based on the temperature of the housing, and a heater controller configured to cut off or apply the power of the heater based on the control signal, wherein the control signal generator is configured to generate a heater power cut off signal when the temperature of the housing reaches a first preset temperature, and the heater controller is configured to determine there is no water within the housing based on the heater power cut off signal and to cut off the power supplied to the heater based on the heater power cut off signal, wherein the control signal generator is configured to generate a heater power applying signal when the temperature of housing is lowered to a second preset temperature from the first preset temperature, and the heater controller is configured to apply the power supplied to the heater based on the heater power applying signal, wherein the second preset temperature is over the boiling point of water but lower than the first preset temperature.