As a global leader in marine heat exchangers, the Fernstrum name has become synonymous with quality, innovation and experience. For various types of vessels, including push boats, tugs, pilot boats, dredges, ferries, and fishing vessels, we offer the widest range of applications on the market. Our original GRIDCOOLER® Keel Cooler has evolved with multiple advancements over 75 years. Our WEKA Boxcooler® is the industry leader in copper/nickel boxcoolers. Our OMEGA Laser Plate heat exchangers meet the needs of a wide variety of heating and cooling applications with a myriad of efficient pillow plate designs.