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Our Portfolio
Our Work
Professional HVAC projects and service examples in Chicago, IL
Illustrative HVAC service image
Illustrative HVAC service image
Illustrative HVAC service image
Illustrative HVAC service image
Illustrative HVAC service image
Our Advantage
Why Choose Hayes Commercial LLC
Trusted HVAC service in Chicago, IL
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.
Our Story
About Hayes Commercial LLC
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.
Ready to get started?
Ready to Get Started?
Request a free HVAC quote in Chicago, IL. Call (773) 784-0000 or send a message — we respond quickly during business hours.
Get In Touch
Contact Hayes Commercial LLC
We typically respond within 30 minutes during business hours
Call Us
(773) 784-0000
Email Us
info@hayesmechanical.com
Location
5959 S Harlem Ave Chicago, IL 60638
Business Hours
Have Questions?
Frequently Asked Questions
Common questions from our customers
What We Offer
Our Services
Professional HVAC services in Chicago, IL
Commercial HVAC
Air conditioning, chillers, and ventilation for commercial and industrial facilities.
Boilers & Piping
Boiler, burner, and mechanical piping projects for mission-critical facilities.
Preventative Maintenance
Maintenance agreements that keep building systems reliable year-round.
Commercial HVAC
Air conditioning, chillers, and ventilation for commercial and industrial facilities.
Boilers & Piping
Boiler, burner, and mechanical piping projects for mission-critical facilities.
Preventative Maintenance
Maintenance agreements that keep building systems reliable year-round.