Profile: Columbus Heating & Ventilating Co. is an HVAC manufacturer and contracting company. We produce all types of sheet metal ductwork & fittings up to & including 5/16″ plate. Our duct & fitting fabrication facility includes plasma cutting technology. We also have a rectangular coil line to produce standard duct sections. Our fabricating capabilities include all types of shearing, forming, rolling, punching and welding processes. We manufacture and install custom heating plants based on our cast iron heat exchangers.