Sheet Metal Fabrication
- Custom Sheet Metal Fab & Ductwork
- Duct Transitions & Curbs
- For All Our Projects, Duct Systems Are Manufactured to Specification In-House
Daikin Factory Certified Installer
Commercial HVAC & Refrigeration Experts
Owner-led and built for commercial. Serving Southwestern Ontario with 18+ years of industry expertise.
Get a QuoteProfessional Commercial & Industrial Services
Rooftop Unit Installation
- Commercial Rooftop Units — Full Installation & Replacement
- Structural & Rooftop Coordination
- Maintenance & Repair
- Gas Connections
Refrigeration Systems
- HVAC & Refrigeration Systems
- Refrigeration System Commissioning
- Maintenance & Repair
- System Piping & TSSA Certification
About Us
Over 18 years of industry experience serving Southwestern Ontario. DC Mechanical is owner-led and purpose-built for commercial HVAC — not adapted from residential.
We specialize in custom sheet metal fabrication and installation for commercial rooftop units, mechanical rooms, tight retrofit spaces, and projects demanding proper airflow and system performance.
As a certified refrigeration contractor specializing in systems over 5 tonnes, we have the knowledge and experience to handle demanding commercial HVAC and refrigeration projects from piping, testing, TSSA inspections, and final start up.
TSSA Certified
Daikin•Mitsubishi•LG
Factory Install Certified
Why Choose DC Mechanical
Built for commercial. Faster installs, fewer issues, and reduced impact on your business hours.
Owner-Led Experience
Direct involvement from an owner with 18+ years of hands-on commercial HVAC experience. Your project gets personal attention from start to finish.
Custom Sheet Metal Expertise
In-house fabrication for commercial rooftop units, mechanical rooms, and tight retrofit spaces. Precision-built for proper airflow and performance.
Built for Commercial & Industrial
Purpose-built systems, processes, and expertise for commercial and industrial scale.
Full RTU Capabilities
Complete rooftop unit installation, structural coordination, duct transitions, curb connections, and system commissioning.
Certified & Trusted
TSSA Certified with factory install certifications from Daikin, Mitsubishi, and LG. The credentials that back up the quality.
Minimal Business Disruption
Faster installs, fewer issues, and reduced impact on your business hours. We work efficiently to keep your operations running.
Precision Built for Performance
Every installation starts with careful planning and custom fabrication. From mechanical drawings to finished systems, we ensure every component fits precisely and performs optimally.
Our expertise in structural and rooftop coordination means your project is handled from the curb up — gas lines, refrigeration, duct transitions, and full system commissioning.
18+
Years Experience
100%
Commercial Focus
3
Factory Certifications
Our Trusted Suppliers & Partners
Ready to Start Your Next Project?
From rooftop units to custom ductwork, DC Mechanical delivers commercial HVAC solutions with precision, experience, and minimal disruption to your business.
Call (519) 268-0899