Modular Construction

Off-site Construction Services

With over 85 years of combined experience, Comfort Systems USA is your single source MEP provider for premier HVAC, Electrical, Modular Data Center, and Turbine modular solutions.

We can satisfy your design, fabrication, construction, manufacturing, installation, controls and maintenance requirements. In 2019 alone, we supplied over 3,000 modules that included over a million tons of steel and over five miles of piping. Our goal is to provide unmatched speed, safety and quality.

Our offsite modular services include:

Engineering Expertise

Working with building owners, developers, architects, and construction management teams, our engineering and design teams work hand in hand with your project development team to support all of your MEP needs.

Design Expertise

We utilize the latest in design technologies to develop fully functional BIM modeling, supported by project design coordination and clash detection to deliver the most efficient system layout. We design our solutions to not only satisfy your initial construction demands but also include design considerations for your future service accessibility requirements.

Project Management Expertise

Our team of project managers are highly skilled and experienced. We assign a Project Manager to your project, providing the personal attention it deserves. Most managers are degreed Engineers with years of industry experience, fully capable of guiding you through complexities successfully.

Self-Perform Expertise

In addition to our fully capable Engineering, Design and Project Management teams, our manufacturing facilities provide full mechanical and electrical modular solutions that include piping, plumbing, sheet metal, HVAC, electrical and controls applications. We also partner with others for roofing, rigging, insulation and other ancillary services. In total, we give you a single source solution by managing your complete MEP needs in-house, thereby minimizing your multi-trade coordination concerns.

System Coordination and Project Delivery Expertise

Our experience includes over 85 years of providing modular MEP solutions, practicing lean manufacturing principles and fully supporting Integrated Project Delivery engineering and design construction delivery methods. We are also mechanical contractors, and we have leveraged our knowledge of field construction into our modular designs, installation and commissioning plans. From start to finish, we work with you to tailor system design to your most exacting project needs.

Safety Excellence

Above all else, we pride ourselves in our commitment to world class safety. Our Courage to Care safety culture drives us and supports the many safety programs that help guide our daily work habits. Everyone is important and everyone plays a key role to ensure the safety of each other.


The modular industry is both fast growing and competitive. Our products can be customized to your exacting specifications and we protect proprietary innovations. We supply modular solutions confidentially across multiple industries to clients that wish to remain undisclosed. Project discretion and privacy is something in which we have decades of experience.


Of upmost importance is our commitment to producing a best-in-class product. We work to continuously improve our processes and techniques, all geared to bringing our customers the best value. Our facilities and personnel have achieved a number of national certifications, including ISO, AISC, NACE, AWS, CWF, ETL, and UL, and have been granted numerous patents.

To learn more about our Modular Construction capabilities, please visit: