While servicing their boilers, high-temperature furnaces, kiln, heating, or air conditioning systems, many of our customers inquire as to whether or not we can fix or replace a single pipe or a full distribution of pipes. ACSI Mechanical Group is here for all of your commercial piping needs.

We provide a range of commercial and industrial piping services in the Chicagoland area:

  • Industrial piping
  • Gas piping
  • Oil piping
  • Boiler piping
  • Installation, repairs, and upgrades

We have consulted and serviced numerous hospitals, bakeries and high-rise buildings in the Chicagoland area, resulting in savings of as much as 25% on yearly energy costs. 

Pipe Contractors and Piping Repair

Our customers have come to rely on us to consult and service their every piping need.

ACSI Mechanical Group provides high quality consulting and expertise for installing steam piping, gas piping, and oil piping. Our pipe-fitters are members of the Local 597 Pipefitters Union Contractors and each individual has completed OSHA safety training.

Piping Upgrades and Services

If your pipes are in need of an upgrade, ACSI Mechanical Group will help you construct an energy-efficient piping system. Our contractors will help in process piping, equipment installation, relocation and repair, boiler installation, upgrades, and maintenance.

We are the one-stop-shop for all of your piping needs. Our services include piping systems and repairs on pipes. 

Our Welders are Certified in:

Our Experience in Screwed Connected Pipes and Sizes of:

Contact us to find out how your existing system can be improved upon to save you both energy and money. We are your industrial piping contractors here to meet your needs.

About ACSI Mechanical Group

ACSI Mechanical Group have been in business for over 30 years. The company has always been based in the southwest suburb of beautiful Mokena, Illinois. Over the years, ACSI Mechanical Group has consulted and assisted many other contractors in the Chicago and Chicago metropolitan area with burner start-up work, unusual boiler room problem-solving situations, or even basic back-up service support.

24 Hour Service

The Expertise You Need And People You Can Trust


“I just wanted to express how happy I am with American Combustion, looking forward to a long working relationship, (I really never forget great service)”

James J. Plant Operations Manager