Profile: Fuel Efficiency, LLC fabricates brock fuel-saver turbulators for firetube and cast iron sectional boilers. We supply turbulators for heat transfer applications, which include infrared heaters, vertical boilers, hot water heaters, cast iron sectional boilers and heat exchangers. Our turbulators are used to increase heat transfer efficiency. We also develop B.E.T. automatic boiler tube cleaning systems, ultaspray liquid boiler cleaning concentrate and brock digital stack temperature monitors. Our brock digital stack temperature monitor is used to prevent fuel waste and warn of potential problems.