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, low maintenance, Freon free and cost a fraction of air-conditioning. Available in Nema 12, 4, 4x, Stainless Steel, UL Listed, cUL, & CE.