Custom designed and custom manufactured plate fin heat exchangers. Hot water/oils, chilled water, evaporator, condenser, steam ammonia, and specialty coils. Materials of construction are copper, aluminum, cu/ni, carbon steel, stainless steel, and others in tube sizes from 3/8" OD to 1" OD and fin thicknesses up to 0.020". Coil styles consisting of airtight casings, removable water box headers, bare and finned tubes, and high pressure and temperatures. Coil certifications available for ASME (Section VII, Division 1), CRN, CE, ARI, UL, and CSA applications. Engineers are readily available to design coils for your applications.