Simoneau & Sterling, formally known as Sterling Combustion Inc. has been involved in the North American packaged boiler, burner and combustion industry since 1980. Our products and design engineering are based on the best available technology for reducing fuel usage and for complying with environmentally acceptable emission standards. Simoneau & Sterling comply with ASME, National Board, CRN, UL, CUL, CSA, CGA, FM, IRI and NFPA codes.