Noren Products manufactures air-to-air and air-to-water heat exchangers for cooling sealed electrical panels without letting contaminants inside (including wash down, and hazardous locations).  COMPACT CABINET COOLERS prevent failures & downtime caused by overheating electronics.  Noren units are easy to install, are low maintenance, Freon free and cost a fraction of air-conditioning.  Available in Nema 12, 4, 4x, Stainless Steel, UL Listed, cUL, & CE.  Perfect for water treatment plants and pump stations.