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📍 Serving Chicago, IL
About Hayes Commercial LLC
Your trusted local professionals
Our Story
A Century of Mechanical Service Reliability
Hayes Commercial LLC operates as Hayes Mechanical, a full-service commercial and industrial mechanical contractor founded in 1918. From the Chicago office on South Harlem Avenue, the company provides HVAC, boilers, plumbing, sheet metal, automation, piping, and 24/7 emergency mechanical service.
Our Advantage
Why Choose Hayes Commercial LLC
Serving Chicago, IL with pride
Certified Technicians
Expert heating and cooling service for year-round comfort.
Same-Day Options
Fast diagnostics and repair across Chicago, IL.
Energy-Efficient Solutions
Maintenance and upgrades that help lower utility costs.
Reliable Support
Seasonal tune-ups and emergency service when you need it.
Ready to get started?
Ready to get started?
Contact us today for a free estimate.