Your Chicago Mechanical Contractor Since 1926.

McCauley Mechanical is Chicago's trusted expert in industrial piping, HVAC Installations, and design/build solutions.

Challenge accepted. Challenge met. Our strength lies in tackling challenging projects and delivering exceptional results.

Design/Build

Our expert engineers deliver tailored solutions from design through project execution.

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Project Management

From concept to completion, our team leads your project with precision and efficiency.

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Pre-Fabrication

In-house fabrication minimizes disruptions, expedites schedules, and enhances quality.

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Construction Technology

Advanced technology ensures clarity and accuracy before the first day on-site.

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Challenge Met.

Bio Life Science Lab (BSL-3)

Research laboratory higher ed– bio life science animal lab renovation.

Research Facility

Beverage Plant

Process piping beverage packaging plant– multi-line expansion to new addition.

Food & Beverage

Microscopy Laboratory Exhaust

Research laboratory national laboratory– electron microscopy laboratory build-out.

Research Facility

RTU Replacement

Energy conservation project higher ed– RTU replacement: convert multizone electric to VAV natural gas.

Educational Institution

New Chocolate Line

Process piping prefab chocolate candy facility– line expansion.

Food & Beverage

Outside Air Plenum

Mechanical room renovation historic museum– outside air (OA) improvement.

Historic Museum

Boiler Plant Replacement

Energy conservation project higher ed– central boiler plant replacement.

Educational Institution

building a legacy

A Century Of Excellence.

1926

Since 1926, McCauley Mechanical has been a trusted, family-owned Chicago contractor specializing in industrial piping, HVAC systems, and design/build solutions. Embarking on our fifth generation, our team brings unmatched expertise and enthusiasm to every job—whether it's launching a new build or solving the toughest challenges in active facilities. We take pride in doing the work others won't, delivering innovative, high-performance results with every project.

Our History

Industry Memberships That Set the Standard.

McCauley Mechanical's active involvement in leading industry trade organizations reflects our unwavering commitment to professional excellence. These memberships are not merely affiliations but earned distinctions that require strict adherence to high-quality standards, safety, and ethical business practices. Through these organizations, our team engages in ongoing education in the latest mechanical technologies and business innovations, ensuring McCauley remains first in class. Our participation isn’t just a badge—it’s a promise to stay at the forefront of an evolving industry.

Our partners

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Feature Projects

McCauley Mechanical Contractors is a licensed and insured provider of commercial mechanical systems. All engineering designs, system specifications, and technical operations displayed on this site are the property of McCauley Mechanical Contractors, Inc., a company registered in the State of Illinois under license. All project data, design documents, and associated digital content are protected by applicable copyright and intellectual property laws. Unauthorized use, reproduction, or distribution of any material without prior written consent is strictly prohibited.