24 Hour Emergency Services (773) 737 - 9200
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Customer solutions delivered

Clients come to ACSI for solutions for their piping, all types of boilers, equipment installations, emergency pipe repairs and combustion systems needs. Our experience and large parts inventory make it easy to mobilize and help you resolve unexpected downtime or leaks. We supply in-house maintenance staff trained to keep your systems running smoothly and, we provide 24-hour emergency piping and mechanical repairs.

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Our Approach Sets Us Apart

Customers that come to us stay with us - find out why

Commercial and Industrial Boiler Repair Service

Service

ACSI provides specialized maintenance and installation services, helping organizations reduce risk, save on energy costs, and maintain facilities with confidence.

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Commercial and Industrial Boiler & HVAC Repair Service

Mechanical

Whether it’s anew or refurbished/used burners, cooling towers, high temperature furnaces, kilns or pumps, ACSI has year of consulting and hands-on experience to manage, install and complete your full service installation.

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Refractory

Refractory

In addition to being “burner specialists,” ACSI is among a select group of firms that offer combustion-related refractory products and services nationwide.

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What Would You Do With $235,770 in 2019?

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See our Latest Success

ACSI recently installed a new boiler, a high efficiency burner, an economizer and related energy saving equipment as a way to help a local hospital save energy costs. A boiler is only as efficient as the burner it is mated to and ACSI installed one of the most efficient burners available. The old burner was 76 to 78 percent efficient, at most. With the new burner at 80 to 85 percent efficient, the commodity savings will be huge. To capture further savings, the client elected to install an economizer too. Since the facility couldn't shut down for work to be completed, the utilities remained operational while the older unit was safely disconnected and removed.
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// What Our Clients Say

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// NEWS

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ACSI Article

Chicago’s Top 10 Mechanical Contractors: Leadership in Experience, Diversity and Innovation Shared By Businesses with Community Commitments

February 01, 2019

This listing of the top 10 in the mechanical contractors industry reflects an amalgam of experience, relationships, and perceptions. While this isn’t a scientific group – there are many other companies worthy of recognition – it provides a clue about some of the diversity, initiative and community focus. This list includes forward-thinking businesses which have embraced community engagement, high standards of service and delivery, and innovation to support the construction industry.

Chicago Construction

ACSI Celebrates 35th Anniversary with Intense Client Focus and Cost Savings Initiatives

February 01, 2019

American Combustion Service Inc. (ACSI) is celebrating its thirty-fifth anniversary in 2019. The company has thrived through a combination of specialized expertise and an intense client-focused service outlook. These observations are reflected in client testimonials.

Top 10 List

WE MADE THE TOP 10 LIST!

February 01, 2019

We hope you are off to a great start this year, it has been exciting for us here at ACSI!

American Combustion Service Inc. is honored…

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19325 S. Schoolhouse Road, Mokena, Illinois 60448 (773) 737 - 9200

24 Hours Emergency Services :
(773) 737 - 9200

Contact ACSI