Profile: Binghamton Hardware Co. specializes in manufacturing roofing materials and warm air heating systems. We also offer residential and commercial HVAC products. We provide spiral pipe & fittings. The sizes range from 4 to 40 inches and can be made from 20, 22, 24 or 26 gauge metal. Our HVAC accessories includes duct sealer, companion rings, sheet metal fittings, duct liner, duct wrap, registers or equipment.