Nu-Calgon markets and distributes a complete line of specialty chemical products for the HVACR aftermarket. These include coil cleaners, leak sealants, air purifiers, refrigeration oils, soft starters, and solutions for water treatment, ice machine maintenance, and other specialty applications. Our products are marketed to air conditioning, heating, refrigeration, and plumbing wholesalers, as well as food service and restaurant suppliers, and OEMs. Nu-Calgon The Brand You Trust.