Profile: Lucifer Furnaces Inc. manufactures high quality heat treating equipment and industrial ovens for small tool rooms to large corporations, laboratories & schools. Our product line includes industrial heat treating furnaces & industrial ovens suitable for a variety of applications including hardening, drawing, annealing, brazing, sintering and stress relief in both air & atmosphere. We offer box furnaces, dual chamber furnaces, atmosphere furnaces, ovens, top loading furnaces, bottom loading furnaces, continuous furnaces, car bottom furnaces and gas fired furnaces.