Industrial & Commercial Heating Services in Rockford, IL & Madison, WI


From office buildings and data centers to retail stores and manufacturing facilities, operating a successful business requires providing a comfortable, temperature-controlled environment for employees, customers, inventory, and equipment. With the harsh winters in Illinois and Wisconsin, this requires a robust commercial heating solution, as well as a qualified mechanical contractor to keep it operating smoothly and efficiently.

At Northern Mechanical, we provide industry-leading commercial heating services throughout Northern Illinois and Southern Wisconsin, including Rockford, Huntley, Crystal Lake, Burlington, Madison, Janesville, and the surrounding communities. With over 40 years of commercial HVAC experience, we can provide all the heating services necessary for your industrial or commercial facility, from system design and installation to complete service and repairs. Our technicians have extensive training and experience, and they are available 24/7 for all your commercial HVAC needs.

Is your commercial heating system down or in need of maintenance? Call Northern Mechanical today at 815-654-7900 or contact us online for fast, reliable heating service in Illinois or Wisconsin.

Commercial Heating Design & Installation in Rockford

When you need a new heating system installed at your industrial or commercial facility, you can count on Northern Mechanical for a quality installation that is energy-efficient and reliable. We offer complete design/build services, as well as commercial heating installations and replacements. We work with all common commercial equipment, including:

Our technicians will evaluate your heating requirements, equipment needs, piping, and control systems to design a system that is ideal for your facility.

Contact us today to schedule a heating installation in Rockford, Freeport, or Sterling.

Commercial Heating Maintenance in Madison

With the extreme operating conditions in a commercial or industrial environment, preventative maintenance is essential to the longevity and performance of your commercial heating equipment. At Northern Mechanical, we offer comprehensive commercial heating maintenance services, as well as custom maintenance programs that are designed to provide all the routine maintenance necessary for your heating, cooling, ventilation, and refrigeration equipment. Our maintenance services are a cost-effective way to protect your commercial heating equipment, and our three-phase maintenance process includes:


  • Gas pressures
  • Steam and water pressures
  • Safety and control operation
  • System efficiency and operation


  • Burner, heat exchanger, and flue
  • Combustion and fire rate controls
  • Fire brick, refractory, and insulating materials
  • Refrigerant and compressor system
  • Electrical and control system


  • Replacing air filters
  • Cleaning burners, coils, and condensate systems
  • Checking and adjusting gas pressures
  • Checking refrigerant levels and pressures
  • Calibrating controls
  • Combustion analysis

To schedule commercial heating maintenance at your Madison or Janesville facility, contact us today.

24-Hour Commercial Heating Repair in IL & WI

No business can afford unnecessary downtime and the losses it can cause. When you have a problem with your commercial heating equipment, you can trust that our team at Northern Mechanical will respond quickly and provide fast, cost-effective repair options. Our commercial heating repair services are available 24/7 throughout Northern Illinois and Southern Wisconsin, and our expert technicians have the skills and equipment to diagnose and repair most heating problems quickly.

Contact us today at 815-654-7900 or contact us online for commercial heating repairs in Rockford or Madison.

Call Today for Commercial Heating Services in Illinois or Wisconsin

When you need the best service possible for your commercial heating equipment, look no further than our skilled experts at Northern Mechanical.
Call 815-654-7900 or contact us online to schedule commercial heating service in IL or WI.

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