Business Details
50+ Years
experience
Emergency
services
Trusted HVAC and Mechanical Construction Services in South Carolina
Cullum Mechanical has been a leader in mechanical construction and HVAC services since 1972, serving commercial and industrial clients across the Southeast. Founded in Charleston, South Carolina, the company expanded into specialized subsidiaries by 1999 and transitioned to Cullum Mechanical, LLC in 2023 to ensure continued industry leadership. Our 50+ years of experience, 225+ team members, and state-of-the-art fabrication facilities enable us to deliver innovative solutions for HVAC, plumbing, process piping, and construction projects.With offices in Charleston, Columbia, and Greenville, we combine tradition with cutting-edge technology to serve diverse sectors including manufacturing, healthcare, education, and government. Our core values of teamwork, integrity, and client-focused service drive every project, supported by expert project managers with decades of collective experience.
Services
HVAC Installation
Preventive Maintenance
Plumbing Services
Project Management
Refrigeration Systems
Details
- Year established: 1972
Highlights and features
- 50+ years of specialized HVAC and mechanical construction expertise
- Expert project management team with 20+ years average tenure
- 24/7 emergency service availability for critical systems
- Comprehensive services from design-build to preventive maintenance
- State-of-the-art fabrication facilities for precision components
What people say
Best HVAC company
Exceptional customer service
Highly recommend
24-hour service
Professional work ethic
Services
HVAC Installation
Cullum Mechanical designs and installs energy-efficient HVAC systems for commercial and industrial facilities. Our technicians ensure optimal performance through proper sizing, advanced controls integration, and code-compliant installation. From rooftop units to complex chilled water systems, we deliver solutions that minimize downtime and maximize comfort while adhering to project timelines and budgets.
Preventive Maintenance
Our preventive maintenance programs extend equipment lifespan and prevent unexpected failures. Certified technicians perform regular inspections, filter replacements, and system optimizations for HVAC, plumbing, and refrigeration systems. With 500+ annual maintenance contracts, we help clients maintain operational efficiency and avoid costly emergency repairs through proactive service schedules.
Plumbing Services
Cullum Mechanical provides comprehensive plumbing solutions for new construction and retrofit projects. Our licensed plumbers handle process piping, medical gas systems, and industrial drainage networks. We specialize in 24/7 emergency repairs for critical systems in manufacturing plants and healthcare facilities, utilizing advanced diagnostic tools like drain line cameras for precise problem identification and resolution.
Project Management
Our experienced project managers coordinate all phases of mechanical construction, from design-build planning to final commissioning. With combined 105 years of tenure, our team ensures budget adherence, safety compliance, and timely delivery for complex projects. We manage subcontractors, material procurement, and quality control while maintaining transparent communication with stakeholders throughout the project lifecycle.
Refrigeration Systems
Cullum Mechanical designs, installs, and services industrial refrigeration systems for grocery stores, warehouses, and manufacturing facilities. Our certified technicians handle Puron refrigerant systems, walk-in coolers, and ultra-low-temperature equipment. We provide emergency repair services with rapid response times to minimize product loss and operational downtime, supported by preventive maintenance programs tailored to specific industry requirements.
Questions
What HVAC services does Cullum Mechanical Mechanical offer?
We provide installation, preventive maintenance, retrofitting, repair, and replacement services for commercial HVAC systems including chillers, cooling towers, and air handlers.
Do you offer emergency plumbing services?
Yes, our plumbing team provides 24/7 emergency services for commercial and industrial facilities with urgent repair needs.
What areas do you serve?
We operate throughout South Carolina, North Carolina, and Georgia with offices in Charleston, Columbia, and Greenville.
Are your technicians certified?
All our HVAC technicians hold industry certifications and receive ongoing training to maintain expertise with evolving technologies.
Can you handle large-scale construction projects?
Yes, our project management team has completed over 80 annual projects with clients like Boeing, Mercedes, and Volvo.
Do you provide preventive maintenance contracts?
We offer customized preventive maintenance agreements covering HVAC, plumbing, and refrigeration systems with flexible service schedules.
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