As one of the nations premier developers of innovative vacuum furnaces, Solar Manufacturing strives to deliver the most technically advanced furnaces designed for a wide range of vacuum heat treating processes. Our decades of collective experience allow us to continually develop new solutions and advance the science of vacuum furnace technology in energy efficient hot zone designs, feature-rich SolarVac automation and controls, and high-pressure gas quenching. Solar Manufacturing is constantly looking for ways to improve furnace performance. Our ability to create outstanding value is fueled by our experienced staff and our unique relationship with our affiliate company, Solar Atmospheres, a progressive commercial heat treater established in 1982. With four US facilities and a vast number of operating vacuum furnaces, this collaboration affords us an unparalleled testing ground for improving furnace design, operation, repair and maintenance. Solar Manufacturing offers a wide range of furnace models and sizes. We are well known for our very large vacuum furnaces especially the HCB series of vacuum car bottom furnaces. The HCB series is uniquely designed to process large workloads of up to 150,000 pounds with a maximum length of 48 feet. In addition, we have a line of mid-sized horizontal production furnaces and vertical bottom loading furnaces with standard features that you would expect from Solar Manufacturing. We will gladly customize any of our furnaces to satisfy your specific requirements. Our ability to manufacture large and mid-sized production furnaces is only a part of our diverse product line. We also offer the Mentor and Mentor Pro series, an economical furnace line with a compact footprint featuring graphite insulated hot zones and best-in-class SolarVac controls. The Mentor line are mounted on a portable platform. Despite its smaller size, you can be assured that the high-performance features of the Mentor and Mentor Pro series a