Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Air Duct Cleaning Across Ontario
Air duct cleaning in Ontario means dealing with a dust load most cities never see. The Santa Ana winds push fine grit and sand off the open lots east of the 15 freeway and straight into return-air systems, and the semi-arid Chino Basin climate keeps that particulate moving through your HVAC nearly year-round. Our Air Duct Cleaning team works the full duct run, not just the registers, using Rotobrush and Nikro systems built for exactly this environment. We know the 91761 east side, the older 91762/91764 core, and every tract in between. If you’re tired of dust settling back on furniture two days after you wipe it down, call (855) 501-3681 and we’ll put a camera in your ducts to show you what’s actually in there.
Why Duct Cleaning Fontana Is Ontario’s Preferred Air Duct Cleaning Company
We’re not a generalist HVAC shop that does ducts on the side. Air duct work is all we do, and we bring the tools to prove it. Homeowners across Ontario call us because we run Rotobrush and Nikro agitation systems that reach every linear foot of your duct run, not a shop-vac and a ladder. Leon Thornton built this company around a simple idea: clean the entire duct system, show the customer the before-and-after, and repair what others only clean around.
Ontario’s housing stock spans two very different eras. The mid-century ranch tracts in 91762 and 91764 still have original or partially retrofitted flex duct with poor sealing. The big two-story production homes toward 91761 use long, heavily-branched flex runs where dust has settled for 20-plus years. Our technicians know both jobs because we’ve done both jobs here, repeatedly. We carry Abatement Technologies filtration equipment to protect your home during the work, and we use Guardsman-grade surface protection on floors and registers while we’re in there.
One flat price per system, agreed before work starts. No per-vent pricing, no bait-and-switch invoice once the van is parked in your driveway. That’s how we’ve earned our reputation in Ontario.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Cleaning Services in Ontario
Air Duct Cleaning Services in Ontario means source removal, not surface wiping. The wind-blown grit that loads into return plenums along the 91761 east side and near the 60/15 corridor doesn’t come out with a register brush. We set negative pressure at the air handler, run a Rotobrush whip through every supply and return branch, and pull the actual debris out of the system. A typical residential full-system cleaning in Ontario runs $350 – $650 depending on home size and duct complexity. Commercial jobs run higher, and we’ll quote those after a walkthrough.
Return and Supply Side Work
The return side is where Ontario’s dust problem concentrates. Santa Ana events pack the return plenum and filter slot with sand and grit. We clean that thoroughly, not just the supply registers you can see from the hallway.
Video Inspection
Every cleaning includes camera inspection before and after. You’ll see the inside of your return plenum and trunk lines on screen. If the camera finds a disconnected joint or a collapsed flex section, we’ll show you that too and quote a repair as a separate line item.
HVAC Duct Cleaning in Ontario
HVAC Duct Cleaning in Ontario is a different job than it is an hour west in the LA basin. Coastal homes deal with ordinary household dust. Ontario homes deal with the Chino Basin’s year-round particulate load: fine sand off the foothills, grit from unpaved access roads, and the long cooling season that keeps air moving through ducts from April through October. A full HVAC duct cleaning here runs $400 – $700 for a typical 1990s – 2000s tract home. Smaller mid-century ranches fall on the lower end.
Full System Cleaning
We clean supply ducts, return ducts, the plenum, the blower compartment, and the filter housing. Skipping the return side is the most common shortcut in this industry, and it’s the exact shortcut that leaves Ontario homes with wind-blown sand still circulating.
Duct Repair After Cleaning
Older Ontario homes frequently have original flex duct with leaks and disconnected joints. Cleaning reveals those defects. We offer Air Duct Repair as a standalone service so you’re not left with a clean system that’s still pulling dust from an attic crawlspace into the supply runs.
Trusted Brands We Service in Ontario
We work on systems integrated with Honeywell and Aprilaire whole-home filtration products. If your Ontario home has an Aprilaire media filter or a Honeywell electronic air cleaner tied into the return side, our technicians know how those components interact with the duct system. We don’t treat the filter as an afterthought. Since we’re in Ontario regularly, we carry the common replacement components and filtration accessories for these brands on the truck, which means fewer second trips and faster turnaround on service calls from 91764 to 91761.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Ontario Homes
- Return plenums packed with wind-blown sand. During Santa Ana events, fine grit off the open lots east of the city gets pulled straight into the return-air side. A surface-only cleaning never reaches the plenum, so the blower keeps straining against a plugged filter slot.
- Leaky, disconnected flex duct in 1950s – 60s ranch homes. The 91762 and 91764 core still has original or poorly retrofitted ductwork. Cleaning uncovers leaks that let attic dust and insulation fibers right back into the supply runs.
- Settled dust in long branch runs of 1990s – 2000s tract homes. The two-story production builds toward 91761 use long flex runs with multiple trunk-and-branch splits. Dust settles in branches a register brush physically cannot reach without real agitation equipment.
- Wood-heat particulate in outbuilding systems. Properties with a wood stove in a shop or barn push ash and fine carbon into connected duct runs. That’s a different contaminant profile than household dust and needs a full source-removal pass, not a quick register wipe.
Pricing for Air Duct Cleaning in Ontario, CA
Here’s the straight answer. A full residential duct cleaning in Ontario runs $350 – $650 for most homes. Larger two-story tract builds with long branch runs run $500 – $700. Commercial systems are quoted after a walkthrough and typically start around $800. What moves the price is duct length, branch count, and whether the return plenum needs extra work due to wind-blown sand loading. We give one flat price per system before work starts. No per-vent pricing, no surprise add-ons when the van pulls up. Call (855) 501-3681 and we’ll give you an exact number for your home.
We Also Serve Cities Near Ontario
Our service area covers the surrounding Inland Empire cities, including Montclair, Upland, Rancho Cucamonga, and Jurupa Valley. If you’re on the Ontario edge near the 10 or 15 freeway, you’re still in our regular coverage zone. Call us and we’ll confirm your address.
Serving Ontario, CA – Our Local Coverage Area
We’re based in the Ontario area and know this community well. Use the map below to see our service coverage – if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Ontario
Every 2 to 3 years for homes near open lots, unpaved access roads, or the foothills east of the 15 freeway in 91761. The wind-blown sand and grit loading from Santa Ana events shortens the realistic interval compared to the 5-to-7-year timeline you’ll see for coastal cities. If your filter slot is caked after a wind event, that’s your signal. Call (855) 501-3681 for an inspection if you’re not sure.
Because of where Ontario sits in the Chino Basin. Santa Ana winds push fine sand and grit off the open lots and foothills east of the city, and your return-air side pulls that particulate straight into the filter slot and plenum. It’s a wind-event pattern, not normal in-home dust, and it’s most common in homes along the 91761 east side and near the 60/15 freeway corridors. A surface cleaning won’t fix it. The plenum itself has to be cleaned out.
Yes. Wood stoves in shops, barns, or detached garages push fine ash and carbon particulate into connected duct runs. That material behaves differently than household dust, it’s finer and clings to duct walls, and it needs a full source-removal pass with agitation to come out. If you heat an outbuilding with wood and it shares ductwork with the house, tell us before we quote so we scope the job correctly.
We show up with the same full equipment load regardless of whether your property is on a paved cul-de-sac or at the end of a long unpaved drive off the east side. The route doesn’t change the scope of work. What changes is how much wind-blown grit your external registers have collected, which is often more. We protect floors and surfaces with Guardsman-grade coverings during the job, so the dust we pull out of your ducts doesn’t end up tracked through the house, call (855) 501-3681 to schedule.
It means running a Rotobrush whip through every branch, not just the trunk line, and verifying the result with a camera afterward. Those 1990s – 2000s two-story production homes have long flex runs with multiple splits where dust settles for years. Quick pass jobs leave that dust in place. We clean every branch, inspect the joints, and show you the before-and-after footage. Estimates are free, call (855) 501-3681.
Written by Leon Thornton, Owner at Duct Cleaning Fontana, serving Ontario since the company’s founding.