What We Do

At Calcasieu Mechanical Contractors, we specialize in providing high-performance HVAC and mechanical services for commercial and industrial facilities across Louisiana. From ground-up HVAC construction to system retrofits, replacements, energy optimization and automation, our services are designed to reduce costs, improve equipment efficiency and ensure long-term system reliability.

With in-house duct fabrication, piping expertise and open-protocol automation systems, we bring precision and consistency to every phase of your HVAC project. We support clients through every stage — whether it’s a performance-driven commercial HVAC replacement, or a maintenance program that protects your investment year-round. Backed by 24/7 service and certified technicians, Calcasieu is your trusted partner for scalable, energy-conscious mechanical solutions.