
Commercial Ventilation
Ductwork, Exhaust, and Energy Recovery Systems Built to Perform
When it comes to managing air quality, energy efficiency, and airflow in large-scale commercial spaces, precision is everything. At N. Lacroix Plumbing & Heating, we specialize in custom-engineered commercial ventilation systems designed to meet the demands of modern buildings and industrial operations. With over 75 years of experience, we’ve worked with businesses across industries to deliver high-performance systems that not only meet code—but exceed expectations. From custom sheet metal fabrication and ductwork to rooftop unit installations, exhaust systems, and energy recovery solutions, we provide end-to-end ventilation services tailored to your building’s unique layout and requirements. Whether you’re constructing a new facility, upgrading an outdated system, or need a complex alteration, our team offers the expertise, technology, and craftsmanship to get the job done right.
Our Commercial Ventilation Services
With decades of experience, advanced fabrication capabilities, and a team of skilled technicians and engineers, we deliver ventilation systems that work as hard as your business does. From industrial operations to commercial buildings, our goal is to create ventilation solutions that enhance comfort, safety, and efficiency—all backed by trusted local service.
Custom Sheet Metal Fabrication
Precision-built ventilation starts with well-designed ductwork. Our in-house sheet metal fabrication shop allows us to create custom duct systems designed specifically for your commercial space, ensuring optimal airflow and energy efficiency.
Features:
Tailored Duct Systems – Designed to meet the layout and usage of your commercial building
Material Expertise – Fabrication with galvanized steel, stainless steel, aluminum, and more
Durable, Long-Lasting Workmanship – Built to perform in high-demand environments
CNC Plasma Table Fabrication
We use CNC plasma cutting technology to achieve exceptional accuracy and efficiency in the fabrication of HVAC components. This allows us to deliver high-quality results with shorter turnaround times.
Benefits:
Speed & Precision – Clean, repeatable cuts for consistent component quality
Design Flexibility – Able to fabricate complex shapes for specialized HVAC applications
Reduced Lead Times – Faster production means less downtime on your projects
Designed Ventilation Systems
Every building is different—and your ventilation system should be, too. Our team offers complete system design, fabrication, installation, and maintenance, creating ventilation solutions that align with your building's architecture, usage, and regulatory requirements.
Highlights:
Custom Engineering – Systems designed for your building’s specific needs
End-to-End Service – From planning and CAD design to fabrication and installation
Scalable Solutions – Ideal for office buildings, warehouses, manufacturing, and institutional settings
Ventilation Alterations & Installations
Whether you're retrofitting an existing system or installing new infrastructure, we handle a wide range of ventilation projects to improve air circulation, comfort, and system efficiency.
Our Commercial Ventilation Installations Include:
Rooftop Units (RTUs) – Ideal for large-scale heating and cooling with minimal interior space use
Dust Collection Systems – Essential for workshops, manufacturing, and industrial environments
Exhaust and Make-Up Air Systems – Maintain air balance and indoor air quality
Heat Exchangers & Heat Recovery Ventilators (HRVs) – Improve efficiency by reclaiming heat from exhausted air
Unit Heaters & Air Handlers – Targeted heating and air distribution for large spaces
Variable Air Volume (VAV) Systems – Allow for zone-specific control and energy savings

Trust the experts at N. Lacroix Plumbing & Heating - give us a call at 705-267-7887 for professional support!
Why Choose N. Lacroix Plumbing & Heating?
When it comes to fireplace services, our commitment to quality and customer satisfaction makes us the top choice for Timmins homeowners.
Skilled Technicians: Our experienced team is trained to handle all types of fireplaces with precision and care.
Energy-Efficient Solutions: We focus on providing systems and upgrades that save energy and reduce costs.
Prompt, Reliable Service: From installations to repairs, we ensure timely service to minimize disruptions.
A Legacy of Trust: As a family-owned business serving Timmins since 1947, we bring decades of experience and dedication to every project.


























80 Birch Street South
Timmins, Ontario
Hours
Monday–Friday
8 AM - 5 PM
Phone
(705) 267-7887
lacplg@lacroixplg.com