Household electrical appliance and method for controlling household electrical appliance

A household electrical appliance equipped with a time shift function of performing timer presetting processing on the basis of a time shift computation result indicating an operation start time or an operation end time at which an electricity cost relating to operation is the lowest,

• the household electrical appliance comprising:
• an input operation unit for allowing a user to perform operations for operating the household electrical appliance;
• a display unit for displaying information relating to the operation of the household electrical appliance;
• and
• an operation control unit for controlling the operation of the household electrical appliance on the basis of the time shift computation result, wherein
• when the user operates a start button of the input operation unit, the operation control unit automatically performs the timer presetting processing on the basis of the time shift computation result and causes the display unit to display the timer preset time, and
• the operation control unit fixes the timer presetting in a case where an indication of timer presetting cancelation has not been inputted from the input operation unit within a predetermined time interval after a timer preset time has been displayed at the display unit.