About Us

80 Years

experience makes us confident

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Contractor of the Year 2017

Check this interview with our CEO Mike McCoy

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1945
FOUNDED
ACI

AIR CONDITIONING INCORPORATED WAS FOUNDED

1957
Expanded
LENNOX

BECAME THE FIRST LENNOX DEALER IN IOWA

1974
Expanded
ABC

FOUNDING MEMBER ABC IOWA CHAPTER

1982
BECAME
US ARMY

US Army Corps  ENGINEERINGS Contractor

1990
Expansion
MECHANICAL DIVISION

FOCUSSING ON MECHANICAL SYSTEMS

1998
BECAME
Comfort systems

Became part of Comfort Systems USA

2017
award
contractor of the year

28th annual Excellence in Construction®  Award

2020
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Add Description Here

2025
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80 anniversary

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1945
FOUNDED
ACI

AIR CONDITIONING INCORPORATED WAS FOUNDED

1957
Expanded
LENNOX

BECAME THE FIRST LENNOX DEALER IN IOWA

1974
Expanded
ABC

FOUNDING MEMBER ABC IOWA CHAPTER

1982
BECAME
US ARMY

US Army Corps  ENGINEERINGS Contractor

1990
Expansion
MECHANICAL DIVISION

FOCUSSING ON MECHANICAL SYSTEMS

1998
BECAME
Comfort systems

Became part of Comfort Systems USA

2017
award
contractor of the year

28th annual Excellence in Construction®  Award

2020
Sub Label
Add Title Here

Add Description Here

2025
Sub Label
80 anniversary

Add Description Here

Always Ready

Our Mission

A diversified mechanical contracting, engineering, and management firm with professional, skilled, and experienced personnel capable of providing a variety of quality services to public and private customers who desire to work with a flexible contractor that offers complete “turn-key” construction services and ongoing support throughout the United States.

ACI Engineers at work

ACI CORE VALUES

At our core, we hold four fundamental values; each of these pillars is integral to our mission and guides our every action. Safety is paramount, ensuring the well-being of both our clients and employees in every endeavor we undertake. Service drives us to go above and beyond, delivering exceptional experiences and solutions to meet the diverse needs of our stakeholders. Embracing Technology and fostering Innovation allow us to remain at the forefront of our industry, constantly evolving and adapting to better serve our community. Professionalism, quality, respect, and integrity are the cornerstones upon which we build our relationships, both internally and externally. Through seamless interaction with clients and employees alike, we cultivate an environment of collaboration and mutual growth, ensuring the success of all involved.

We are
ACI Mechanical

“We are a full-service, merit-shop, design-build commercial/industrial mechanical contractor. Our company was founded in 1945 with a solid commitment to customer service that still exists today. The ACI team comprises of engineers, project managers, skilled welders, pipe fitters, sheet metal mechanics, service technicians, and support staff who are all dedicated to serving our clients.”

Industry Access

We use the latest design software version and model all projects before construction begins.

Planning Strategy

We operate an in-house sheet metal fabrication facility and a pipe fabrication facility.

Client Satisfaction

Our team met the owner’s construction schedule and exceeded their safety expectations.

On time Delivery

Our piping fabrication facility uses the Panajaris Automated Orbital Welding System.

from concept

to reality

Want to join our Team?

Our Locations

ACI Mechanical Engineering & Construction Headquarters
Merit Shop ACI Mechanical Engineering & Construction
Mechanical Contractors & Engineers

Let Us Know your suggestions

We Hear you

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We are excited to
hear from you!

Join our Team
of Experienced Professionals

Mechanical Engineering & Construction
Mechanical Engineering & Construction