Sales of industrial, process and OEM heat exchangers, finned coils, heating and cooling coil, steam and hot water heating coils, refrigerant direct expansion coils. We sell refrigerant DX-coils and chilled water heat exchange coils, integral face and bypass dampered coils, HVAC airhandling units AHU, direct and indirect gas-fired and steam air-handling units, IFB integral faced by-passed damper heat exchangers, pre-heat coils in air-tight housings, aerofin heatcraft wing finned coils.