Founded in 1918, Hayes Mechanical is a provider of heating equipment. Its areas of expertise include boiler erection, power plant appurtenances and air quality control systems. The products offered by the company include boilers, fans, air heaters, burners, pipes, scrubbers, condensers and tanks. The services offered by the company include fabrication, repair and maintenance, construction, and product design and development. It manufactures and supplies temperature-control equipment to commercial and residential business units. Hayes Mechanical also undertakes commercial and industrial installation projects for various industries. The company has piping, service, quality control and heat-inspection departments. In addition, it fabricates and installs pressure vessels in various sizes, shapes and styles. Hayes Mechanical is located in Chicago.