Water heating apparatus and refrigerator having such a water heater

摘要

The present invention relates to a water heating/cooling apparatus having a heat exchanger that has a maximized heat transfer area between a hot water supply tube and a heater so that clean hot water is continuously fed without a time delay. To achieve these objects, a water heating/cooling apparatus comprises: a case defining a body; a hot water supply tube and a cold water supply tube having an heat exchanger installed in the case; a heat storage liquid material received in the case; and a heater installed in the case, for heating the heat storage liquid material.