Hours
24 Hours
In Baton Rouge, where commercial infrastructure ranges from chemical plants to higher education campuses like LSU, precision HVAC construction is essential. As one of the most trusted Baton Rouge HVAC contractors, Calcasieu Mechanical Contractors delivers full-scale solutions, including metal fabrication, advanced controls, automation and full mechanical installation and repair.
Whether you’re building along the Mississippi River industrial corridor or upgrading facilities in Mid City, we provide expert commercial HVAC service in Baton Rouge that meets code, controls costs and ensures operational efficiency. With 24/7 support and in-house fabrication capabilities, we stand out among Baton Rouge HVAC companies for our depth of service and attention to detail.
Baton Rouge businesses know that downtime isn’t an option — and CMC’s custom maintenance programs are built to keep commercial and industrial HVAC systems and controls running reliably in every season. From research labs near LSU to plants along the Mississippi River, our team delivers precision commercial HVAC service in Baton Rouge backed by benchmarking, inspections and capital planning.
We begin with a full system performance assessment, then tailor a maintenance plan that reduces energy waste and prevents unplanned repairs. With 24/7 emergency support, access to your service history via our client portal and a deep understanding of mechanical compliance, we provide the ongoing care your system needs to operate at peak efficiency.
Baton Rouge is a hub for higher education, healthcare and industrial facilities, making reliable HVAC systems essential to performance. At Calcasieu Mechanical Contractors, we serve a diverse range of clients, and our team understands the unique demands of high-traffic environments, providing solutions that align with local safety and code requirements.
We specialize in HVAC construction services that integrate seamlessly into both new builds and retrofits. Our in-house metal fabrication and ductwork capabilities allow for precision installation, while our hydronic and DX piping expertise supports high-efficiency systems in diverse facility types.
Beyond installation, Baton Rouge clients turn to us for cutting-edge HVAC automation and controls. We deploy open-protocol systems that integrate with lighting, air quality monitors and more — helping facilities reduce energy usage and track performance over time. Our approach empowers local property managers to stay ahead of utility costs while protecting their long-term equipment investment.

3121 Country Club Rd
Lake Charles, LA 70605
(337) 477-0097
201 Annonce St.
Lafayette, LA 70507
(337) 237-5577