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 Whether you’re constructing a new facility, upgrading an outdated system, or need a complex alteration, our team offers the expertise, technology, and craftsmanship to get the job done right.

  • ""They did an excellent job and were very pleasant. I have been looking for someone to fix my leak for a long time. They had it fixed in an hour. Impressed!""

    -Darlene M.

  • "I am very thankful for their service and expertise. I am having them return for more work due to great customer service. Fees were told to me before arrival which was awesome."

    -Andre B.

  • "Fast, efficient and professional service. Install of hose hookup only took about an hour. Very happy. Highly recommend!"

    -Marjo C.

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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!

  • ""They did an excellent job and were very pleasant. I have been looking for someone to fix my leak for a long time. They had it fixed in an hour. Impressed!""

    -Darlene M.

  • "I am very thankful for their service and expertise. I am having them return for more work due to great customer service. Fees were told to me before arrival which was awesome."

    -Andre B.

  • "Fast, efficient and professional service. Install of hose hookup only took about an hour. Very happy. Highly recommend!"

    -Marjo C.

  • Maybe you have a creative project to share with the world

    Quote Source

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