Mechanical Services

Mechanical contracting services for commercial, institutional and industrial HVAC/R systems.

Keep your building’s HVAC/R system running efficiently and sustainably for the long term.

Call (614) 837-3888 to learn more GTC’s mechanical service capabilities and service agreements.

GTC offers HVAC/R mechanical services and mechanical contracting services including installations, retrofits, automated controls, inspections, testing, balancing and maintenance.

GTC technicians complete ongoing testing and certification for leading brands to troubleshoot and get equipment back online quickly. Our team can design cost-efficient, energy efficient and sustainable solutions for your commercial, industrial and institutional HVAC/R needs.

Trust all HVAC/R services to one provider with more than 30 years of experience and unparalleled customer service, including emergency response teams dispatched 24 hours a day, seven days a week.

GTC mechanical contractors utilize advanced, mobile troubleshooting and technology.

GTC Tech-to-Go is an advanced service functionality that uses technology via a mobile tablet for real-time communication with the office during service calls. The integrated camera can be used for infrared photography predictive maintenance and photo documentation.


GTC Tech-to-Go streamlines customer service by instantly retrieving a client’s entire equipment work history and maintenance contracts. GTC technicians can quickly scan available inventory for parts and access technical support in real time. Other benefits of GTC Tech-to-Go include:

  • Assign, receive and process work orders from the road
  • Capture customer signatures to simplify billing process
  • Wireless transfer of service tickets, time sheets and orders
  • Provide real time reporting of job status and repairs
  • Reduce time and error associated with paper-only process
Safety and efficiency are top priorities for our employees and clients.

GTC technicians receive OSHA and UA training and certification. GTC technicians are members of Plumbers and Pipefitters Local Union 189, so you know you will receive quality work done safely, and correctly, every time. EPA certification and refrigerant recovery programs help to promote energy efficiency and cleaner workplaces. Mechanical services through GTC include:

  • Sheet metal/HVAC
    • AutoCAD drafting
    • Custom projects
    • Custom roof curbs and adapters
    • Duct fabrication
  • Energy reclamation systems
  • System service/analysis
  • Certified welding services
    • Fabricated structural systems
    • Food grade stainless steel welding
    • Process piping systems
    • Stainless and carbon steel
    • Structural fabrication