Chicago winters and summers both demand reliable HVAC systems. GGT USA installs, maintains, and services commercial and industrial HVAC across the Chicago area. Whether you need a new system designed and installed, a preventive maintenance contract, or emergency repair in the middle of January — our certified HVAC technicians respond fast and fix it right.
What's Included
- Commercial HVAC system design and installation
- Rooftop unit (RTU) installation and service
- Split system and VRF installation
- Preventive maintenance contracts — monthly or seasonal
- Air handling unit (AHU) service
- Ductwork installation, cleaning, and modification
- Refrigerant handling and recharge
- Indoor air quality assessment and improvement
- Building automation system (BAS) integration
- 24/7 emergency HVAC response
Why GGT for HVAC Services
HVAC systems interact directly with the building's electrical, plumbing, and roofing systems. Rooftop units need watertight penetrations. Air handlers need correct electrical supply. Drain lines tie into the plumbing system. GGT's HVAC team coordinates with our electrical and roofing teams on every installation — eliminating the trade conflicts that cause callbacks and warranty disputes.
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Licensed, bonded, and insured. Chicago-proven. One call covers it all.
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