The pit type furnace by Heat Shield Technologies is a cutting-edge, best-in-class system that is easy to operate and versatile. This furnace is loaded from the top using a crane. Its high-quality insulation ensures zero heat loss and maximum efficiency. HST pit furnace is ideal for a number of applications including annealing, heat treatment, and even the hardening, quenching and tempering of small parts. We provide furnaces with and without atmosphere control to suit your requirements.