Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services. Solar’s thermal processing produces bright, scale-free parts with minimal distortion. Solar serves over 18 industries including aerospace, defense, medical, and power generation. Our state-of-the art services include vacuum heat treating, brazing, carburizing, and nitriding. With over 60 furnaces ranging from lab-sized to 48 feet long, Solar Atmospheres can efficiently handle any size job. Solar operates plants in Souderton and Hermitage, PA, Fontana, CA, and Greenville, SC. Nadcap, ISO 9001:2015 /AS9100D, ITAR, & MedAccred Certified.