A full service HVAC mechanical contractor. Construction Division: Our engineering staff, project managers, and installation c ... rews focus on response to customer needs, handling all aspects of commercial, industrial and institutional construction, including sheet metal and piping fabrication onsite in our facilities. Control Division: We provide energy management and building control systems nationwide. N-Control Inc. is dedicated to the environmental controls market sector. Service Division: Our trained technicians, backed up by our in-house staff of engineers, provide around-the-clock services for hundreds of planned maintenance customers, in addition to on-call customers, throughout the Chicagoland area. Our technicians are trained in service, support, and diagnosis for all types of HVAC, refrigeration, and temperature controls systems. Design Build Services: Our professional engineers provide quality engineering and drawings for your next project. Combined with our project management capabilities and seasoned installation crews, we offer a true turnkey solution. Specialties Engineering and drafting, Process piping including medical gas, Sheet Metal, Energy management and building automation. Sectors served - Commercial, Industrial, Institutional, Retail, Hospitals and Surgery Centers, Data Centers and Telecommunications. read more