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Our Services

ACI Mechanical provides professional commercial HVAC, plumbing, retrofit, and preventive maintenance services in Ames, Des Moines, and throughout Iowa. As part of Comfort Systems USA, we support commercial and industrial facilities with integrated mechanical solutions backed by decades of field experience. Because we design, build, retrofit, and service complex HVAC and mechanical systems, we understand how to optimize them for long-term efficiency, performance, and reliability. From system upgrades to scheduled maintenance programs, our team delivers responsive, technically driven support for facilities of every size.

HVAC

Our technicians are not only professional and highly skilled; they are also on call 24/7/365. No matter what time, your call will be answered by a knowledgeable employee, not a recording. If you need to supplement your staff with specific expertise, we also provide on-site technicians for your HVAC systems to let your team focus on your core business.

RETROFIT

If you are seeking a trusted commercial HVAC retrofit contractor, our team is ready to evaluate your existing systems and develop an upgrade strategy aligned with your operational and budget requirements. Contact us today to request a facility assessment or schedule a retrofit consultation.

PLUMBING

  • Backflow preventer certification and repair
  • Pump repair and maintenance
  • Water heater and boiler repair and replacement
  • Sanitary drain waste and vent systems
  • Trench, floor, and roof drains
  • Grease interceptors and sump pumps

MAINTENANCE

The Comfort Care™ program is an exclusive service offering from Comfort Systems USA affiliates, designed as a structured commercial HVAC maintenance program that ensures consistent performance and system reliability. Comfort Systems USA Midwest provides clients with a dedicated CARE™ representative for scheduled service reviews and performance evaluations. This proactive approach improves operational efficiency while reducing downtime and protecting long-term equipment investment.

Features
& Benefits

Comfort Systems USA is a leading nationwide provider of mechanical design-build and design-assist construction, facility automation, and integrated energy services. By joining Comfort Systems USA, ACI Mechanical became part of a premier contracting organization with nearly 90 operating locations across the United States. Together, the organization performs more than $1.7 billion in mechanical construction and service work annually.

Ask for our Maintenance Preventive Program

Duct & Fittings

In-house duct fabrication means we can supply your project with ducts more promptly. Using advanced machinery, like our Iowa Precision Coil Line, cutting fittings on the plasma table, and orbital welder ensures that ACI builds with the accuracy required in our industry. In addition, all the ducts and fittings produced in our shop adhere to the latest SMACNA standards.
No project is too large or too small for the ACI team! Whatever your metal fabrication needs, we are here to help. Give us a call. The ACI team is helpful, competitive, and ready to meet your schedule. Our fabrication employees pride themselves on turning out a high-quality, better-than-expected product. Above all, let us exceed your expectations.

our credibility
has been proven

We offer a full turnkey experience for customers like you, with a single point-of-contact, fast-tracked project schedules, cost guarantees, and maximum management effectiveness.

Merit Shop ACI Mechanical

You can also call us for service on demand. Preventive Maintenance is the key.

Expert & Professionals Advisory Policy

Has the compressor in your commercial or industrial air conditioning system failed? No problem, request a free estimate. Need a second opinion before you commit valuable resources to that expensive replacement?  schedule a service call today.

100% Satisfaction Guarantee Through Work

  • Our customers choose us for a long list of good reasons

    The broad range of services we offer

  • Dispatching that uses the technical advantages of the latest technology
  • Technical proficiency with all major equipment manufacturers
  • A national footprint with a local presence
  • Energy Star® partnership
  • Member of the United States Green Building Council
  • LEED® Accredited professionals in all our companies
  • Proven operations and maintenance experience (including large-scale program implementation)                  
  • We can supplement your existing maintenance staff with our labor

24x7 Customer Support Service Available

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