Baltimore may be cool, but Baltimore Aircoil Company is cooler. Baltimore Aircoil (BAC) makes, sells, and installs evaporative cooling and heat transfer equipment, with manufacturing and distribution facilities throughout North America and around the globe. Its sells its products, which include cooling towers, condensers, thermal storage systems, remote sump tanks, and related parts and controls, to customers in the HVAC (heating, ventilating, and air conditioning), refrigeration, chemical and petroleum processing markets, as well as to electric power generators, light industrial manufacturers, metal producers, and cooling plant operators.