Engineered water or glycol heaters can be custom designed by Sigma Thermal to meet unique specifications. Dirty fuels, bio‐mass fuels, and API‐560 requirements are all reasons to think about a custom engineered heater design. Our engineers have years of experience in designing custom thermal fluid heaters using water or glycol to meet very specific application requirements. If you think your application needs more than a standard package system, contact one of our application engineers to find out how Sigma Thermal can help you meet your process goals with compromise.