(815) 654-7900


Commercial Mechanical is a leading full-service commercial HVAC contractor serving businesses throughout the Madison, WI and Rockford, IL areas. For more than 60 years, we have established a reputation for unsurpassed quality in commercial heating and cooling services. We employ only the finest HVAC technicians, sheet metal mechanics, pipe fitters, certified welders, customer service and support personnel in the industry. We are equipped and experienced, ready to meet all of your commercial heating and cooling needs. Our goal is to keep you up and running and minimize your downtime and expense!
Our Commercial HVAC Services Include

Commercial Heating

We install and maintain all types of commercial heating and cooling systems. Our team of highly-skilled HVAC technicians and heating specialists are available 24/7 to ensure that your commercial heating and cooling system is installed and operating at optimal performance, for the year-round comfort of you and your staff.


We know that when it comes to food products, your commercial refrigeration system keeps your customers safe. That’s why Commercial Mechanical is the right HVAC contractor for you: We bring more than 60 years of experience, to ensure that your refrigeration and chiller systems are properly protecting your food inventories.


We install and maintain all types of commercial air conditioning, process cooling and indoor quality systems. Our HVAC technicians are experienced, reliable and respectful. We bring the expertise to analyze your building and ensure that you’re equipped and functioning properly with the right-sized system for optimum cooling and comfort.


From piping systems to ventilation and ductwork, Commercial Mechanical delivers the custom sheet metal fabrication services you need for your commercial heating and cooling systems. During our 60 years of operation, we’ve served clients across all industries. We can fill any requirement, fit any budget, and meet any schedule.
Commercial Mechanical goes above and beyond what’s expected to serve the needs of our clients. We understand that your business relies on your equipment running properly. Day or night someone will always be there to answer your call.
Our Service Locations
COMMERCIAL MECHANICAL SERVICES is dedicated to your success by designing, installing and supporting optimal solutions.
Building Controls and Energy Management | Building Automation Solutions

We use Building Automation Solutions (BAS) to deliver on this key commitment and welcomes the opportunity to discuss your Building Automation needs. The name Building Automation Solutions is synonymous with first-rate HVAC controls installation and maintenance. We have access to the products needed to meet today’s ever-changing demands, and are continuously adopting the latest energy efficient technology.

Commerical Mechanical Services offers both installation and service for air conditioning and heating control systems.

Quality maintenance is also a key component to extend the life and maintain the efficiency of all mechanical equipment. As an authorized dealer for Building Automation Solutions, Commerical Mechanial Services offers state-of-the-art technologies. The result is a building automation and energy management system that leverages existing network infrastructure and allows critical building performance and energy consumption data to be shared with other business applications.

Building Automation for HVAC Air Conditioning and Heating Controls Systems | Building Automation Solutions