Removal of dust, debris, and contaminants from HVAC supply and return air ducts, including registers and grilles, to restore airflow and indoor air quality.
Get quotesAir Duct Cleaning in Ontario, CA
6 air duct cleaning companies serve Ontario, rated 4.6★ on average across 1,248 reviews. 4 of them hold 4.5 stars or better.
Why Ontario homes need air duct cleaning
Ontario ducts work all year, carrying cooled air through the summer and forced-air heat through the winter. Pets, a move into a new home and a recent remodel are when dust and debris build up enough to matter. 52% of homes here were built before 1980, so many duct runs are decades old. San Bernardino County logged 110 days of air unhealthy for sensitive groups or worse in 2025. Searches for duct cleaning in California peak in July and August. 3 of the 6 companies listed here also offer duct repair & sealing.
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Get featuredAir duct cleaning services in Ontario
Repair and sealing of leaking, damaged, or disconnected ductwork to restore airflow, energy efficiency, and indoor air quality.
Clearing lint and debris from clothes-dryer exhaust ducts and vents to restore airflow, improve drying efficiency, and reduce fire hazard.
Application of EPA-registered sanitizers and deodorizers to HVAC systems and ductwork to neutralize bacteria, viruses, and odors.
Containment, removal, and mitigation of indoor mold growth — including affected materials and the underlying moisture source — to restore healthy indoor conditions.
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Air duct cleaning questions Ontario homeowners ask
How do I choose an air duct cleaning company in Ontario?
4 of the 6 Ontario companies here hold 4.5 stars or better.
- A written, itemized quote before work starts: what's included, any access fees, and no extras without your OK.
- The scope covers the supply and return ducts, the blower and the coils, not just the vent covers.
- Ask how debris is collected (negative-pressure collection) and how your ducts and home are protected.
- Before-and-after photos of your own system.
- Mold claims come with evidence, such as a sample or a test, before any chemical treatment.
- Walk away from bait "whole-house" prices.
- For repair or sealing work, check the contractor's California license with California's Contractors State License Board.
How do I choose a reliable air duct cleaner in Ontario, CA?
Look for providers with steady time in business and industry certifications like NADCA. Check the depth and recency of their review profile to see how they handle local jobs. Since 44% of homes were built between 1950 and 1979, prioritize cleaners experienced with older ductwork.
What factors affect the cost of duct cleaning in Ontario?
Price usually depends on home size, the age of your HVAC system, and how complex the ductwork is to access. Homes built before 2010 often have more accumulated dust, which can require more detailed cleaning than newer construction.
How often should I have my air ducts cleaned in Ontario?
Given that 44% of homes were built between 1950 and 1979, many systems have decades of dust buildup. California’s wildfire-smoke season also adds fine particles to ducts, making regular maintenance a practical way to keep air quality stable.
What other HVAC services are available in Ontario besides duct cleaning?
Local providers also handle A/C system repair, heating system installation, and A/C maintenance. Some offer ductless heating and A/C services, while others manage air filters and emergency restoration for urgent issues.
Which neighborhoods in Ontario do duct cleaning providers serve?
Yes — providers serve key areas across the city, including Ballou, Ontario Ranch, Champagne, Guasti, and Racimo. This coverage helps residents in these neighborhoods find local help for their air quality needs.
What is mold remediation in house?
Mold remediation involves identifying the source of moisture that allowed the growth to occur, then physically removing the affected porous materials like drywall or insulation. Once the contaminated materials are gone, the area is cleaned and treated to prevent spores from spreading, followed by repairs to restore the structure.
How much does dryer vent cleaning cost in Ontario?
The price for dryer vent cleaning in Ontario depends on the length of the duct run and how accessible the vent is to the cleaning equipment. Complex routing or significant lint buildup that requires extra time to clear will increase the total cost compared to a straightforward, short duct.
Air duct cleaning guides for California homeowners
Air duct cleaning near Ontario
All 6 ZIP codes
- 91710
- 91743
- 91758
- 91761
- 91762
- 91764