Summits Hygronics [P] Limited supplies Water/ Air Cooled Heat of Compression Dryer. Summits Hygronics [P] Limited offers different types of refrigerated air dryers, heat of compression dryers, reactivated dryers, automatic drain valves, evaporative, pressure swing adsorption dryer, refrigerated air dryers, compressed air dryers etc. Water/ Air Cooled Heat of Compression Dryer are ideal for working pressure 3 to 16 bar. Atmospheric Dew Point of this water/ air cooled heat of compression dryer is -400 degree C and - 700 degree C.