A full service HVAC mechanical contractor. Construction Division: Our engineering staff, project managers, and installation crews 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.