Founded in 1955 as LB Manufacturing by the Bluestones, Heating & Cooling Products makes and distributes sheet metal products for HVAC professionals. The company moved its manufacturing facility to Mount Vernon, Ohio, in 1977 and later opened a Byesville facility in 1984; it describes itself as family-owned and says it serves residential, multifamily, and light commercial HVAC markets across more than 25 states and Canada.