Abstract: A split-type air-conditioning apparatus is disclosed comprising the basic refrigeration component in combination with a chiller system defined by three water chambers, a refrigerant control before bare evaporator coil, a bare evaporator coil confined within said water chambers, a plurality of by-pass cooler tubes connecting two of said three water chambers, a blower means disposed on top of said reservoir, an air duct provided thereat to provide air flow defined by the entrance of air from the by-pass cooler tubes and leading to the blower means, and an endless net mesh disposed between said blower means and air duct directly along said air flow.