Stack-type laundry treating apparatus

A stack-type laundry treating system comprising:

• an upper treating apparatus including:
• an upper cabinet including an upper base,
• a drying drum disposed in the upper cabinet and configured to rotate, the drying drum being configured to receive an object to be dried,
• an upper driver disposed at the upper base and configured to rotate the drying drum,
• an air flow passage configured to supply air to and discharge air from the drying drum, and
• a heat-exchanger configured to dehumidify and heat air that is supplied to and discharged from the drying drum;
• and
• a lower treating apparatus including:
• a lower cabinet including a lower top panel at which the upper base is mounted,
• a tub disposed in the lower cabinet and configured to receive washing-water,
• a washing drum disposed inside the tub and configured to receive an object to be washed, and
• a lower driver configured to rotate the washing drum,
• wherein the upper base includes a support protrusion that is located at a bottom portion of the upper base and supports the upper cabinet with respect to the lower cabinet.