Since 1985, our locally owned and operated company has continued to expand in order to meet the growing demands of the industries we serve. Metal-Air Mechanical Systems Ltd. is a Greater Sudbury based mechanical contracting company which services the industrial, commercial and institutional markets. As a multi-disciplined contractor, we offer a variety of services to our customers, such as: heating / ventilation / air conditioning / refrigeration, ammonia, sheet metal fabrication and installation, mine ventilation, plumbing and pipe fitting, electrical and building automation systems.Our ...