Product Features •Uses air for cooling/heating •Integral finned tube •Various design types & supplies •Fully customizable •ASME available Commonplace Xchange’s line of Heavy Obligation Coils uses an aluminum extruded, integral finned tube with header construction in an outer casing. The integrally finned tube provides a longer life than other sorts of finned tubes with no possibility of the fins loosening, no loss of heat transfer and no corrosion at the fin how to clean condenser coils tube interface selling longer working life. Integral aluminum fins with number of materials available for inside tubes and other elements. ASME Code development and stamp available. Double tube obtainable for freezing resistance when using sub-freezing air. Functions: heating or cooling air using steam or a variety of liquids.