Providing Commercial HVAC, Military, and Industrial Services In Louisiana and East Texas For 30+ Years

Comprehensive HVAC Construction & Installation Services

Calcasieu is trusted by businesses and developers across the region for new construction HVAC installation and complex system retrofits. Our experienced teams handle full replacements, from design-build engineering to project execution, ensuring all systems comply with performance specifications and safety standards.

We specialize in chillers, cooling towers, boilers, package and split systems, VRF and VRV technology, and custom ductwork. Our in-house metal fabrication shop enables us to build precision sheet metal solutions that integrate seamlessly into your facility’s infrastructure.

Our HVAC control module and building automation experts install advanced systems to monitor and optimize every aspect of your HVAC operation. Whether you need a complete commercial HVAC system for a new build, upgrades for an aging facility or robust repair work for specialized equipment, CMC delivers projects that balance energy efficiency, performance and cost control.

Reliable Commercial & Industrial HVAC Maintenance

Your facility’s performance depends on reliable systems — and reliable service partners. At CMC, we know that a strategic preventative maintenance program is one of the most effective ways to reduce costly downtime, manage energy consumption and protect your investment. Every client engagement begins with a free building assessment to evaluate your system’s condition, identify inefficiencies and recommend tailored solutions.

From there, our certified technicians provide performance checks, cleaning, calibrations and emergency repairs — ensuring your commercial HVAC system operates at peak efficiency year-round.

We understand that commercial HVAC repair needs don’t follow a 9–5 schedule. That’s why our team is on call 24 hours a day, ready to respond quickly and get your systems working properly once again.

Advanced HVAC Automation & Control Solutions

Today’s facilities demand smarter systems and data-driven oversight. As a leading commercial HVAC service provider, CMC delivers cutting-edge automation and control solutions that give building managers more insight and more control over operations.

We design and install custom HVAC control modules that integrate with your building management system — enabling centralized monitoring, scheduling and energy reporting. Our energy services team evaluates your existing systems to identify opportunities for optimization, from variable frequency drives (VFDs) to demand control ventilation and load balancing.

Smart controls deliver precise environmental regulation, extend the life of critical equipment and provide immediate cost savings through reduced energy waste. Our team also provides training and ongoing support to ensure your operators fully leverage every control and automation feature to keep your building running efficiently and reliably.

Calcasieu Is Louisiana’s Trusted Partner

When it comes to choosing a partner for commercial HVAC systems, experience and technical depth matter. Since 1988, CMC has helped businesses across Louisiana solve complex HVAC challenges with reliable solutions and responsive support.

Whether you need full new construction HVAC services, expert commercial HVAC replacement, around-the-clock commercial HVAC repair or proactive maintenance service, we deliver results that protect your budget and keep your systems operating at peak performance.

Our certified technicians, in-house fabrication team and energy specialists combine industry best practices with hands-on technical knowledge to provide truly customized solutions for every facility. Many clients choose to work with us because they know we’re committed to minimizing costs, reducing downtime and extending the value of every HVAC investment.

Serving Baton Rouge, Lafayette & Lake Charles — 24/7 HVAC Expertise

Calcasieu Mechanical Contractors proudly serves a 60-mile radius around Baton Rouge, Lafayette and Lake Charles. Our local teams are fully equipped to deliver fast, technically sound solutions, no matter the time of day. From urgent commercial HVAC repair calls to scheduled maintenance visits or large-scale new construction HVAC projects, you can depend on our expertise — any hour, any day.

Start With A Free Building Assessment

Take the first step toward a more efficient facility. Contact CMC today for a complimentary building assessment. Our team will inspect your current systems, identify cost-saving measures and deliver a customized plan for your commercial HVAC system, controls or maintenance needs.

Discover how Calcasieu Mechanical Contractors helps businesses across Louisiana achieve better performance and lower operating costs with solutions built on decades of proven expertise.