UL Listed Chimney Systems
Application-driven layouts and installation to meet the UL listing, pass inspection, and perform long-term without worry.
Commercial & Industrial Chimney and Exhaust Systems
Done Right The First Time
The crew you have trusted for decades.
Chicago Flue Crew provides UL listed chimney systems, boiler and generator exhaust, and boiler room sheet metal for commercial and industrial clients across Chicagoland utilizing Sheetmetal workers Union craftsmanship.
About Us
Chicago Flue Crew is a family-owned, independent commercial chimney and exhaust contractor serving Chicago and the greater Chicagoland area. We specialize in the design, fabrication, installation, and inspection of UL Listed chimney, boiler exhaust, generator exhaust, and grease duct systems.
With over 33 years of hands-on experience, our Local 73 union experts work directly with manufacturers, engineers, and mechanical contractors to ensure systems are installed correctly, inspected successfully, and built to last. We handle our scope completely—reducing risk, preventing inspection issues, and delivering projects done right the first time.
Our Experience
A UL listing tells you what a system can do...experience determines how it should be applied, designed, installed, and supported for real jobsite conditions. Our work is built around preventing the common failure points that cause delays, rework, and inspection issues.
- 33+ years of hands-on commercial and industrial exhaust experience
- Direct coordination with manufacturers, engineers, and mechanical contractors
- Installation details aligned with the UL listing and job-specific conditions
- Inspection-forward approach to reduce surprises and avoiding failures
- Local 73 union craftsmanship focused on safety, precision, and reliability
- Real world experience specifically in Chimney Design, Install and Troubleshooting
Services
Commercial and industrial systems designed, fabricated, installed, and supported by the crew you’ve relied on for decades.
Boiler Exhaust Systems
Boiler venting solutions built for modern efficiencies, support loads, and condensation control.
Generator Exhaust Systems
Correct clearances, routing, supports, thermal movement requirements and terminations for emergency power systems and high-heat duty cycles.
Grease Duct Systems
Code-driven grease duct solutions coordinated early to avoid costly field changes and inspection delays.
Chimney Inspections
Site and condition reviews focused on complete system understanding, with clear, documented findings provided.
Boiler Room Sheet Metal
Complete boiler room sheet metal systems, including combustion air, venting, louvers, dampers, and related components deigned for modern, high-efficiency appliances..
We Make Life Easier
Our customers don’t need another subcontractor to manage, they need a crew that takes ownership of its scope, coordinates early, and delivers a system that installs smoothly and performs as required.
- We take the ball and run: clear scope ownership and proactive coordination
- Fewer RFIs and fewer surprises: details thought through before they become field problems
- Inspection-ready installs: alignment between design intent, listing requirements, and jobsite realities
- Reduced risk and rework: small mistakes avoided before they become expensive corrections
- Done right the first time: long-term reliability, not short-term “passes today" solutions
- Fixed cost - Fixed cost — one scope, one price, no budget surprises when Chicago Flue Crew is on the job.
Get a Quote
Whether you’re budgeting, designing, or ready to install, reach out early and let experience work in your favor.
Start a Quote Request
Prefer email? Contact us at aaron@chicagofluecrew.com