Colmac Coil manufactures new and replacement plate fin heating and cooling coils, dry coolers, air-cooled condensers, and heat pipe air-to-air heat exchangers for the commercial, industrial, and heat transfer markets. Colmac Coil also manufactures A+ Series™ Air Coolers, custom evaporators, unit coolers, blast freezers, tube bundles, and hydrocoolers for the Freon, ammonia, and glycol/brine commercial and industrial refrigeration markets.