Nu-Calgon, formerly part of Calgon Corporation and Calgon Vestal Laboratories, has been a leader in the HVACR aftermarket for the past 70 years. Nu-Calgon markets and distributes a complete line of specialty chemical products for the HVACR aftermarket. These include coil cleaners, leak sealants, air purifiers and refrigeration oils, as well as products for water treatment, ice machine maintenance, and other specialty applications. These products are marketed to air conditioning, heating, refrigeration and plumbing wholesalers, as well as food service | restaurant suppliers and OEMs.