— HVAC mechanical construction

About Us
JL Service Group is a specialty HVAC Contractor serving the water and wastewater industry across the Carolinas Headquartered in Durham, North Carolina, with a field office in Charlotte we execute projectbased HVAC construction and installation work throughout North and South Carolina. Our expertise includes new construction, retrofit and renovation work, and specialty heating, cooling, and ventilation installations. Across every project and environment, we deliver, reliable, and highquality installations.

Water Treatment Plants

Wastewater Facilities

Pump Stations

Service Areas
JL Service Group proudly serves communities across North and South Carolina, delivering attentive and quality service every time.
SERVICES
We set and install heating, cooling, and ventilation equipment, with interconnecting refrigerant piping for our clients, along with air distribution systems that are associated with them.

Air distribution materials we install
Stainless Steel, FRP, Aluminum, Galvanized Metal, Duct Sleeves, PVC, Coated Stainless Steel, PVC Exhaust Duct, PVC Coated Stainless Steel, PVC Exhaust Duct
Equipment Installations
Ductless Splits, Make Up Air Systems, DOAS, DX Process, DX Comfort , Unit Heaters, VRV/VRF, and more
Ventilation Installations
Louvers, Dampers
Supply & Exhaust fans
Refrigerant piping
Refrigerant piping installation, brazing, and nitrogen purging
Line insulation and vapor sealing
Hangers, supports, and routing per mechanical design
Pressure testing, evacuation, and charge preparation
Certifications & Affiliations
JL Service Group is a fully licensed, bonded, and insured HVAC mechanical contracting firm.
Mechanical Contracting License H2, H3-1
Electrical Contracting License SP-PH
Disadvantaged Business Enterprise
Minority Business Enterprise
Historically Underutilized Business
Associated General Contractors
Charlotte Business Inclusion