Business Details
50+ Years
experience
Emergency
services
Your Trusted Atlanta Commercial & Industrial HVAC Partner
JS Thomas Service has been Atlanta's trusted commercial and industrial HVAC service provider since 1973. Our principal-operated company prioritizes personalized service through live phone support 24/7, eliminating automated systems and ensuring immediate response to client needs. With factory-trained technicians certified in major HVAC systems, we deliver expert installation, repair, and maintenance for facilities ranging from data centers to manufacturing plants. Our safety-focused approach maintains an injury-free workforce and industry-low insurance premiums, providing clients peace of mind against liability risks.Specializing in turnkey equipment retrofits, we minimize downtime through in-house welding capabilities and strategic weekend operations. Our customized maintenance plans address diverse client requirements while extending system longevity. As a locally owned business, we combine three generations of technical expertise with energy-efficient solutions tailored to Atlanta's commercial landscape.
Services
HVAC Installation
Emergency Repairs
Preventive Maintenance
Equipment Retrofits
Automation Systems
Chiller Services
Cooling Tower Repair
Energy Management
24/7 Emergency Service
Custom Maintenance Plans
Details
- Year established: 1973
Highlights and features
- 24/7 live phone support with immediate response
- Factory-trained technicians with 10-20+ years experience
- Injury-free workforce with industry-low safety record
- Turnkey retrofits with minimal system downtime
- Customized maintenance plans for diverse facility needs
Services
HVAC Installation
We install complete commercial HVAC systems including chillers, cooling towers, and air handlers. Our technicians handle projects from 2-ton splits to 1,000+ ton centrifugal chillers. Factory-trained experts ensure proper system integration with existing building infrastructure.
Emergency Repairs
Our 24/7 emergency response team addresses critical HVAC failures with immediate technician dispatch. Live operators eliminate voicemail delays while experienced crews resolve issues affecting tenant comfort or facility operations.
Preventive Maintenance
Customized maintenance plans extend equipment lifespan and prevent unexpected failures. Services include system inspections, component lubrication, and performance optimization for commercial and industrial HVAC units.
Equipment Retrofits
We perform turnkey retrofits for rooftop units, chillers, and cooling towers with minimal operational disruption. Our in-house welding team and strategic weekend scheduling ensure facilities remain tenant-ready during upgrades.
Automation Systems
We implement building automation and energy management systems that optimize HVAC efficiency. Solutions include programmable thermostats, remote monitoring, and integrated control systems for commercial facilities.
People
Jim F. Thomas
President
Third-generation HVAC leader with 40+ years industry experience. Oversees operations and client relations while maintaining hands-on involvement in complex projects and technician training programs.
Questions
What HVAC services do you offer for commercial properties?
We provide full-service HVAC solutions including installation, repair, maintenance, retrofits, and 24/7 emergency services for commercial and industrial facilities.
Do you handle emergency HVAC repairs?
Yes, our 24/7 emergency service dispatches trained technicians immediately to resolve critical HVAC failures affecting business operations.
What areas do you service?
We primarily serve Atlanta and the North Georgia region, supporting commercial and industrial clients across these markets.
Are your technicians certified?
All technicians receive factory training in major HVAC systems including Trane, Carrier, York, and Liebert equipment.
Can you handle large-scale HVAC retrofits?
Yes, we specialize in turnkey equipment retrofits with in-house welding capabilities and strategic scheduling to minimize facility downtime.