Canada’s Largest Duct Cleaning Service

100,000’s of homes cleaned
100’s of well-trained duct cleaning technicians
Over 60 years of continuous operations in Ontario
Over 50 service vehicles equipped with proprietary INGRA Vacuum Technology
20 physical sites, making most homes within reach
3 brands
1 Mission to offer you Integrity, Transparency and Affordability

Please call us at 289-634-1390 because we won’t call you!

Our Mission: To offer you Integrity, Transparency and Affordability.

Oshawa Air Duct Cleaning

Professional Air Duct Cleaning in Oshawa and the Durham Region

With over 60 years of experience, National Duct Oshawa has built a reputation as a trusted leader in air duct cleaning. We proudly service thousands of homeowners across the Oshawa area, delivering cleaner air and improved HVAC efficiency through industry-standard cleaning practices. Our team is trained, experienced, and equipped to handle residential duct systems of all sizes, ensuring every job is completed thoroughly and professionally.

National Duct is also the go-to provider for commercial and institutional clients. From hospitals to retirement homes, we’re trusted to clean high-volume dryer ducts and ventilation systems where cleanliness and safety are critical. Our long-standing relationships with these facilities are a testament to our reliability, consistency, and commitment to excellence. When you choose National Duct Oshawa, you’re choosing a company that takes your air quality seriously.

Why Choose National Duct Oshawa?

When you book with National Duct, you get:

- Experienced technicians trained in proper duct cleaning protocols

- Transparent pricing – no hidden fees, no pressure to upgrade

- Powerful vacuum systems for deep cleaning

Why Air Duct Cleaning Matters

Over time, air ducts can collect:

- Dust and debris

- Pet hair and dander

- Mold spores

- Drywall dust and renovation residue

- Pollen, allergens, and other airborne contaminants

Cleaning your ducts helps:

- Improve air quality in your home

- Reduce allergy and asthma symptoms

- Lower energy costs by improving airflow

Extend the life of your HVAC system

Our Duct Cleaning Process in Oshawa

1. Initial inspection – We assess your duct system and explain the process.

1. Vacuum connection – A powerful negative-air system is hooked up to draw out contaminants.

1. Agitation tools – We use brushes and air whips to dislodge buildup inside the ducts.

1. Final walkthrough – We ensure everything is cleaned, sealed, and working properly.

We also offer dryer vent cleaning, furnace cleaning, and multi-unit residential duct cleaning.

Serving Oshawa and the Durham Region

Our Oshawa-based team proudly serves:

- Oshawa

- Whitby

- Courtice

- Bowmanville

- Ajax

- Pickering

- Port Perry

Whether you’re in a newer subdivision or an older home, we can help ensure your ducts are clean, clear, and working efficiently.

289-634-1390

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60+ Years of Experience

With over 60 years in Ontario, we've earned lasting trust. Our 5-step Ironclad Promise delivers reliable, top-tier service every visit.

Our Services

We’ve serviced 100,000+ homes using INGRA Vacuum Tech and 50+ vehicles. Through 3 trusted brands, we stand for Integrity, Transparency, and Value.

Certified Professionals

From 20 local hubs, 100+ expert technicians provide duct cleaning with precision, care, and dependable quality you can count on.