Welcome to Supreme Boilers, manufacturers of a full line of Scotch Marine Boilers. With over 90 years of combined experience, our master craftsmen design and construct high-quality, energy-efficient boilers. Our reputation for integrity, responsiveness, and attention to detail speaks for itself. Explore our model options and specifications, and feel free to contact our friendly customer service department with any questions. Supreme Boilers—it all boils down to quality. Supreme Boilers are now manufacturing EASCO Boiler Models.