GMS Thermal Products Ltd is a major provider of commercial and industrial water heating systems for the building services and process industries. With a wealth of experience in the design and manufacture of bespoke heat transfer products and packages, GMS offers a comprehensive range of products for all aspects of water heating and heat recovery. Their products include storage calorifiers, semi-storage calorifiers, unvented packages, plate heat exchangers and packages, chilled water and thermal store buffer vessels, hotwells, packages steam equipment, design and offsite manufacture and assembly of skid packages.