Mechanical Systems Services (MSS)
Serving the Southeast with Reliable, Robust Solutions
MSS is a part of Crete United, a national energy efficiency company that uses our Mechanical, Electrical, and Plumbing (MEP) expertise to improve communities. As part of the Crete United network, we are your trusted provider of construction, commercial HVAC, and refrigeration solutions. We work with customers to design, build, and maintain high-performing systems for maximum comfort and efficiency. Founded as a small family-owned business in 1984 with three employees in West Monroe, Louisiana, Mechanical Systems & Services has since grown to 90+ employees spanning a 5-state footprint.
Our Services
Tailored Solutions.
Top-Notch Performance.
HVAC+R
Construction
what we’ve heard
Customer Testimonial
Excellence Is in the Air
“MSS provided exceptional service for our office building, installing a new HVAC system that significantly improved air quality and energy efficiency. Their knowledgeable technicians were courteous and efficient through the entire process, ensuring minimal disruption to our daily operations. We highly recommend MSS for their professionalism, expertise, and commitment to customer satisfaction.”