For over 45 years, DILFO Mechanical has gone beyond the build, delivering high-quality mechanical systems, innovation, and trusted partnerships across Ottawa’s largest ICI projects.

Mechanical Contracting Ottawa Can Trust

Why Choose DILFO

Others follow industry standards. We help define them.

DILFO has set the benchmark for mechanical contracting in Ottawa and Eastern Ontario. As a second-generation, family-owned company, we bring together deep technical expertise, advanced fabrication capabilities, and a culture built on accountability and teamwork.

From design through delivery and beyond, we ensure every system performs exactly as it should — efficiently, safely, and built to last.

Complete Solutions, Proven Results

Construction Services

From design-build to large-scale retrofits, we deliver customized mechanical contracting solutions. With in-house piping and sheet metal fabrication, and advanced VDC/BIM capabilities, we have decades of experience in Industrial, Commercial, Institutional (ICI), and high-rise residential construction.

Maintenance and Emergency Service

Our commitment extends beyond installation. With proactive maintenance programs and 24-hour emergency HVAC and plumbing services, we keep systems running at peak efficiency and reliability. All backed by real-time digital tracking and expert technicians.

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Building

Ottawa’s Future

Discover how DILFO Mechanical has gone beyond the build to help shape Ottawa’s most important facilities, from healthcare and education to retail, industrial and hi-rise residential.

Zibi Block 211
Commercial

Full plumbing, heating, and HVAC scope, including: Domestic and stormwater systems, Hydronic loop with circulation pumps and heat exchangers, Snowmelt system and booster pumps

Canadian Tire Centre
Hospitality

As the commercial HVAC contractor, DILFO was responsible for the design, supply, and installation of the complete heating and ventilation systems, ensuring optimal performance and comfort for large-scale events

IKEA Ottawa
Commercial

DILFO was responsible for the complete mechanical scope, including HVAC, plumbing, and controls. The project required precise coordination to meet IKEA’s global building standards and ensure a comfortable and efficient shopping environment.

Build Your Career at DILFO

Proudly recognized as one of Ottawa’s Top 20 Workplaces, join a team where you can grow, lead, and make an impact every day.

What’s New at DILFO

Stay up to date with company news, project highlights, and stories from our people and community.

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Ready to get started?

Contact us today to discuss your next project and discover how we go beyond the build to deliver lasting results. 

Ottawa, ON

1481 Cyrville Road
Ottawa, ON K1B 3L7

24/7 Emergency HVAC Service

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