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Serving Chicago & the Midwest
Commercial HVAC

COMMERCIAL
HVAC SERVICES

Keep your business at the right temperature. CEG's commercial HVAC technicians service rooftop units, package units, split systems, and commercial air handlers across the Chicago metro.

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COMMERCIAL HVAC SERVICES

Keep your business at the right temperature. CEG's commercial HVAC technicians service rooftop units, package units, split systems, and commercial air handlers across the Chicago metro.

  • Rooftop unit (RTU) repair, maintenance, and replacement
  • Commercial split systems and air handler service
  • Packaged unit installation and commissioning
  • Commercial duct sealing and airflow balancing
  • Preventive maintenance contracts for businesses
  • Priority emergency response for commercial clients
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Commercial HVAC — City Efficiency Group

THE CEG DIFFERENCE

🏢
BUILT FOR COMMERCIAL SCALE
We handle everything from small retail to large multi-unit buildings. Licensed for commercial HVAC work in Illinois and Wisconsin.
🕑
MINIMAL BUSINESS DISRUPTION
We schedule service around your operating hours. Most RTU repairs and tune-ups done outside business hours upon request.
📄
SERVICE CONTRACTS AVAILABLE
Monthly, quarterly, and annual maintenance contracts that keep your HVAC running and your costs predictable.

HOW IT WORKS

1
Site Visit
We inspect your equipment, document unit ages, serial numbers, and maintenance history, and assess coverage needs.
2
Proposal
You receive a written scope of work and pricing — repair, replacement, or maintenance program — with no obligation.
3
Service
Our commercial techs execute the work on your schedule. We document everything with photos and service reports.
4
Ongoing Support
Enrolled clients get priority scheduling, discounted parts, and a dedicated account contact.

MORE FROM CEG

LET'S TALK ABOUT YOUR BUILDING

One call covers mechanical, electrical, and plumbing. No juggling contractors.