Business Details
50+ Years
experience
Emergency
services
Commercial HVAC Contractors in Columbia, SC
Established in 1937, our company has built a legacy of excellence in mechanical contracting across South Carolina. We specialize in delivering comprehensive HVAC solutions for commercial, industrial, and institutional projects, combining technical expertise with a steadfast commitment to safety and quality. Our team of skilled professionals, including certified technicians and mechanical engineers, ensures every project meets the highest standards of performance and reliability. With decades of collective experience, we collaborate closely with clients to design, construct, and maintain systems that optimize efficiency and longevity. Our core values of Quality, Integrity, and Efficiency guide every decision, from initial planning to final execution. We serve diverse markets including healthcare, education, government, and data centers, offering tailored services that address unique operational needs.Our preventive maintenance programs and 24/7 emergency response capabilities ensure uninterrupted system performance for clients statewide. Through generations of leadership, we have maintained our reputation as a trusted partner in mechanical contracting, adapting to industry advancements while honoring our founding principles. Our dedication to client satisfaction is reflected in long-standing relationships and a portfolio of successful projects across South Carolina. Today, we continue to innovate and expand our capabilities to meet evolving market demands while upholding the standards that have defined our success for over eight decades.
Services
HVAC Construction
Maintenance & Service
Chiller Installation
Planned Maintenance
System Replacement
Emergency Repairs
Design-Build Projects
Cooling Tower Services
Data Center HVAC
Sheet Metal Fabrication
Details
- Year established: 1937
Highlights and features
- 80+ years of continuous service to South Carolina's HVAC needs
- Certified technicians trained on all system brands and models
- 24/7 emergency response with rapid service deployment
- Preventive maintenance programs extending equipment lifespan
- Multi-generational leadership with mechanical engineering expertise
Services
HVAC Construction
We design and install complete commercial HVAC systems including chillers, air handlers, and ductwork. Our engineers and certified technicians ensure precise implementation of mechanical plans for new construction or major renovations. Projects span healthcare facilities, educational institutions, and industrial plants across South Carolina.
Planned Maintenance
Our customized maintenance programs optimize system performance through regular inspections and component servicing. This proactive approach reduces unexpected failures, lowers energy costs, and extends equipment lifespan for commercial and institutional clients throughout the state.
Emergency Repairs
Critical HVAC failures receive immediate attention through our round-the-clock response team. Certified technicians diagnose and resolve issues with all system types, minimizing downtime for essential operations in medical facilities, data centers, and industrial environments.
Chiller Services
Specialized maintenance and repair for commercial chiller systems ensure optimal thermal regulation. Our certified experts handle installation, performance optimization, and emergency servicing for industrial and healthcare facilities requiring precise temperature control.
Design-Build Projects
We deliver integrated design and construction for mechanical systems under single-contract accountability. This approach streamlines project timelines while maintaining engineering excellence for private and public sector clients across diverse market segments.
People
Jeffrey E. Griffin
Owner and President
Leading since 2020, Jeff Griffin directs strategic growth while maintaining core values. With prior marketing and operational roles since 2012, he ensures technological advancement and client confidence through quality-driven leadership.
Lewis Caswell
Former Owner
Served as owner from 1982-2006, expanding service capabilities and industry recognition. His 56-year association included leadership roles in mechanical contractors associations and state building code councils.
William O. Blackstone
Founder
Established the company in 1937 as a steamfitter. A World War I veteran and Furman University alumnus, he laid foundational principles of integrity that continue guiding the organization's operations.
Harry McDowell
Former President
Joined in 1946 after World War II service. As president from 1970-1982, he expanded technical capabilities while maintaining the firm's mechanical engineering excellence and professional standards.
David 'Hub' Hubbard
Senior Vice President
Contributed 40 years of operational expertise, rising from warehouse staff to leadership. His tenure saw significant growth in logistics and field operations management for complex HVAC projects.
Questions
What HVAC services do you offer for commercial clients?
We provide full-service mechanical contracting including system design, installation, preventive maintenance, emergency repairs, and chiller services for commercial and industrial facilities.
Do you provide 24/7 emergency HVAC support?
Yes, our emergency service team responds immediately to critical HVAC failures with certified technicians available at all hours.
How does your preventive maintenance program benefit businesses?
Regular maintenance reduces unexpected breakdowns, lowers energy costs by 15-20%, and extends equipment lifespan through systematic inspections and servicing.
What industries do you serve?
We specialize in healthcare facilities, educational institutions, government buildings, data centers, and industrial plants across South Carolina.
Are your technicians certified for all HVAC systems?
Our team holds EPA certifications and manufacturer-specific training to service all brands and types of commercial HVAC equipment.
How can I request service or pricing?
Call 803-252-8222 for immediate assistance or visit our website to schedule a consultation with our project managers.
Reviews (1)
Allen Bridgers
Feb 11, 2020
Report
WO Blackstone is a fantastic Mechanical Contractor based in Columbia. We have worked with them for decades. Top notch firm that is a true partner on both complicated and straightforward projects! Highly recommend!
