Noren Products manufactures air-to-air and air-to-water heat exchangers for cooling 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. Nema 12, 4, 4x, Stainless Steel, UL, CUL, CE available.