Washing machine comprising: - a laundry basket supported inside a wash tank suitable for containing a washing liquid, - heating means arranged inside the wash tank, - a loading system (6, 7) suitable for supplying mains water to the wash tank, - a discharge system (9, 10) suitable for discharging the liquid contained in the wash tank, - a control unit with a program selector configured so as to automatically carry out a washing program comprising: B) loading mains water into the wash tank and carrying out a first wash cycle, wherein said first wash cycle comprises: B1) a washing step that uses the water contained in the wash tank and activates the heating means to heat the water in the wash tank; B2) a rinsing step that uses the water contained in the wash tank when the heating means are deactivated, the washing machine further comprising: - a recovery tank separate from the wash tank and suitable for containing a portion of recovered liquid, - recycling means (16, 17) configured so as to introduce, during one of the wash cycle steps, the portion of recovered liquid from the recovery tank into the wash tank, and - recovering means (18, 19) configured so as to convey, after at least one wash cycle step, a portion of liquid used during the wash cycle from the wash tank into the recovery tank, characterized in that the recovery tank comprises second heating means controlled by the control unit for heating the recovered liquid before introducing it into the wash tank. - a laundry basket supported inside a wash tank suitable for containing a washing liquid, - heating means arranged inside the wash tank, - a loading system (6, 7) suitable for supplying mains water to the wash tank, - a discharge system (9, 10) suitable for discharging the liquid contained in the wash tank, - a control unit with a program selector configured so as to automatically carry out a washing program comprising: B) loading mains water into the wash tank and carrying out a first wash cycle, wherein said first wash cycle comprises: B1) a washing step that uses the water contained in the wash tank and activates the heating means to heat the water in the wash tank; B2) a rinsing step that uses the water contained in the wash tank when the heating means are deactivated, B) loading mains water into the wash tank and carrying out a first wash cycle, wherein said first wash cycle comprises: B1) a washing step that uses the water contained in the wash tank and activates the heating means to heat the water in the wash tank; B2) a rinsing step that uses the water contained in the wash tank when the heating means are deactivated, B1) a washing step that uses the water contained in the wash tank and activates the heating means to heat the water in the wash tank; B2) a rinsing step that uses the water contained in the wash tank when the heating means are deactivated, - a recovery tank separate from the wash tank and suitable for containing a portion of recovered liquid, - recycling means (16, 17) configured so as to introduce, during one of the wash cycle steps, the portion of recovered liquid from the recovery tank into the wash tank, and - recovering means (18, 19) configured so as to convey, after at least one wash cycle step, a portion of liquid used during the wash cycle from the wash tank into the recovery tank, characterized in that the recovery tank comprises second heating means controlled by the control unit for heating the recovered liquid before introducing it into the wash tank.