About RW Fernstrum & Company
- R.W. Fernstrum & Company engineers and manufactures GRIDCOOLER® Keel Coolers for the marine industry since 1949. Fernstrum® has since partnered with WEKA Boxcoolers B.V. and Tranter® to expand our product offerings. Our products are used for cooling marine propulsion engines, generator sets, reduction gears, and auxiliary systems onboard vessels of all sizes worldwide. Each solution is engineered to meet the requirements of your engine, vessel, and operating conditions.