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.
Air Duct Cleaning Company in Ontario, CA
Air Duct Repair in Ontario keeps older HVAC systems running in one of the Inland Empire’s dustiest corridors. Homes here run from mid-century single-story ranch houses near downtown to 1980s – 2000s stucco subdivisions, and the original rigid sheet-metal ductwork in the older stock often needs real repair rather than just cleaning. When the Santa Ana winds push grit down through the Cajon Pass and into return grilles, the ductwork itself starts showing the strain. Timberline Air Duct Cleaning has served Ontario since 2014, and our crews know that a duct system here isn’t like one in coastal LA – it takes more abuse and it shows it sooner. Call (877) 265-9115 for a straightforward assessment of your system.
Why Ontario Homes Are Different
Ontario sits dead-center in the Inland Empire’s dust-and-wind corridor. The spring Santa Anas and the prevailing onshore flow off the Cajon Pass push fine desert silt and construction dust straight into HVAC returns across the 91764, 91798, 91758, and 91761 ZIP codes. So duct work here is less about pet dander and more about silica and wind-blown particulate loading – a problem that’s milder in coastal LA or the San Gabriel Valley to the west. Filters clog twice as fast in spring, and the fine gray grit that technicians find packed into older ducts around the 91762 grid near the airport corridor is different from what you’d pull out of a house in Pasadena.
The housing stock amplifies that. Mid-century tract homes and ranch houses near downtown often still run original rigid sheet-metal ductwork, with dusty attics where flex-duct retrofits were spliced in decades ago. Those splices loosen. Joints separate. Return drops pull attic air. In the newer stucco subdivisions from the 1980s through the 2000s, the ducts are typically in better shape, but the hot summers – highs routinely over 100°F – mean HVAC systems run hard for months, and any small leak becomes a bigger efficiency loss than it would in a milder climate. Ontario’s combination of wind-driven grit, long cooling seasons, and aging duct runs makes repair and maintenance work that a coastal home simply doesn’t demand as urgently.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Ontario Services
The two calls we get most from Ontario homeowners are for duct cleaning and dryer vent cleaning. Both are shaped by the same local conditions: wind-blown particulate loading in the ductwork and fire-safety concerns around dryer exhaust. Here’s how each service works in Ontario specifically.
Air Duct Cleaning in Ontario
Duct cleaning in Ontario is less about removing years of accumulated household dust and more about clearing the wind-driven grit that finds its way into returns and supply runs every spring. Homes near the 91761 grid and the older downtown tract neighborhoods tend to load up faster than the newer subdivisions to the west. We run a Rotobrush rotary brush system through every run, paired with Nikro collection equipment and Abatement Technologies negative-air containment, so the dislodged silica and construction dust doesn’t get blown back into your living room. For the full breakdown of what duct cleaning involves in Ontario, see our Air Duct Cleaning in Ontario page.
Dryer Vent Cleaning in Ontario
Dryer vents here clog with the same fine particulates that load the ducts, but with the added variable of lint density. The long hot summers mean dryers push moist, lint-heavy air through vents that may run for many feet through attics in the older ranchers near downtown Ontario – and through walls in the newer builds. Lint plus desert grit equals a faster path to restricted airflow and elevated fire risk. We treat dryer vent cleaning as a dedicated fire-prevention service, not a quick add-on to a cleaning call. See the full details on our Dryer Vent Cleaning in Ontario page.
Air Duct Repair in Ontario
Air duct repair in Ontario is different from duct repair in milder climates because the ductwork here gets hammered from two directions at once: hot, hard-running HVAC seasons and a wind-driven grit load that works its way into every seam and joint. In the older homes around the 91762 grid and near the airport corridor, technicians often find ducts packed with gray wind-blown grit from the Cajon Pass airflow and pre-1980s construction debris. By the time that material has been cycling through the system for a few decades, seams separate, flex-duct splices loosen, and return drops pull attic air. Instead of leaving those problems behind after a cleaning, we repair what we find. That’s the full scope of what Air Duct Repair means for Ontario homeowners: the system gets fixed, not just emptied.
Ductwork Repair
Signs you need it
Rooms that never reach the thermostat’s set temperature while others are fine usually point to a disconnected or collapsed duct run.
What it costs in Ontario
Ductwork repair in Ontario typically runs between $350 and $800 per affected run, depending on access difficulty in cramped Ontario attics.
How we do it
We locate the failure, reseal or reinforce the run with proper mastic and mechanical fasteners, and verify airflow at the grille before we leave.
Air Duct Replacement
Signs you need it
Original 1960s or 1970s sheet-metal runs in older Ontario ranchers that have rusted through or collapsed are beyond spot repair.
What it costs in Ontario
Air duct replacement in Ontario generally ranges from $2,500 to $7,000 for a complete single-family home, driven by access and layout.
How we do it
We remove the old run, size a new one to the existing system, and install it with sealed connections throughout.
HVAC Duct Installation
Signs you need it
When a system is being replaced or an addition added on an Ontario home, the existing ductwork often can’t handle the new load.
What it costs in Ontario
New HVAC duct installation in Ontario typically costs between $3,000 and $8,000, depending on the number of runs and attic access.
How we do it
We size each run to the room’s load, install rigid or flex duct as the application requires, and seal every joint.
What Air Duct Repair Costs in Ontario
| Item | Typical range in Ontario |
|---|---|
| Ductwork repair per run | $350 – $800 |
| Air duct replacement (whole home) | $2,500 – $7,000 |
| HVAC duct installation (new system or addition) | $3,000 – $8,000 |
Ontario’s older homes with original sheet-metal runs often push toward the upper end of the replacement range because attic access is tight and the original layout can be inefficient to rework. The single biggest variable is access: a low-pitch 1960s rancher roof makes some runs extremely difficult to reach. Every repair we quote is a flat price for the work agreed before we start – not an estimate that grows once the job is underway. We carry the equipment and fittings to handle most Ontario duct repairs in a single visit, and we install Honeywell and Aprilaire air-quality components alongside repairs when the system calls for them.
How long does air duct repair take in Ontario?
Most spot repairs on a section of ductwork take three to six hours, while full-system replacement can run one to three days depending on access and the number of runs. We’ll give you a firm timeline with the quote.
Do I need a permit for duct repair in Ontario?
Repairs to existing duct runs don’t typically require a permit in Ontario, but new HVAC duct installation as part of an addition or major system change often does. We’ll flag it before work starts so there are no surprises.
Brands We Service in Ontario
We work on and install the equipment Ontario homeowners trust: Honeywell filtration and humidity control, Aprilaire air-quality systems, and Nikro-cleaned ductwork. Where repair parts are needed, we stock common fittings locally so most jobs in Ontario don’t wait on shipping. See our brands for the full list of equipment we service and sell.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Ontario, CA
| Service | Typical range in Ontario |
|---|---|
| Air duct cleaning (whole home) | $450 – $950 |
| Dryer vent cleaning | $125 – $250 |
| Ductwork repair per run | $350 – $800 |
| Air duct replacement (whole home) | $2,500 – $7,000 |
| HVAC duct installation (new system or addition) | $3,000 – $8,000 |
| Ductwork inspection | $150 – $300 |
| Filter and media replacement (Honeywell/Aprilaire) | $80 – $250 |
| Return drop replacement | $400 – $900 |
| Registers and grilles (replaced, per unit) | $40 – $120 |
Two things push price up in Ontario: access. Tight attics in 1960s ranchers near downtown and long flex-duct runs through hot attics in the newer subdivisions both make the work slower than a typical single-story tract home on the coast. And the dust load itself – an Ontario system that has been running in the Santa Ana corridor for a decade may need more passes and more filter changes than a comparable home in Upland or Montclair. What we won’t do is surprise you mid-job. The price we quote is the price you pay, agreed for the full system before the first tool comes off the truck.
Neighborhoods We Serve in Ontario
We cover the full Ontario grid, from the older ranch houses and mid-century tracts near downtown to the newer stucco subdivisions that push toward the 91798 edge. The older homes around the 91761 and 91762 areas tend to need more repair work on original sheet-metal runs, while the newer builds call us mostly for cleaning and dryer vent service. Most Ontario jobs can be scheduled within the same week.
- Downtown Ontario (91762)
- Mission Grove area (91761)
- Ontario Ranch / New Model Colony (91798)
- South Ontario (91761)
- Airport corridor (91764)
Service Area – Cities Near Ontario
Beyond Ontario, our crews regularly work across the surrounding cities of the west Inland Empire. If you’re in Montclair, CA, Upland, CA, Chino, CA, or Rancho Cucamonga, CA, you’re within our regular service area and we’ll schedule directly. Each city has its own housing stock and dust patterns, but the core issue – wind-driven grit loading into HVAC returns – follows the same corridor from the Cajon Pass westward.
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 Company in Ontario
Most Ontario appointments are scheduled within three to five business days, depending on the season. Spring and early summer fill up fastest because that’s when Santa Ana winds have just loaded the ducts and homeowners notice the dust. Call for a firm slot.
Yes, an adult needs to be present when we arrive and while we work. We need access to the attic or crawl space in many Ontario homes, and we’ll want to show you what we find in your ducts before we start. We typically finish in one day for cleaning and most repairs.
We cover the full city: 91764, 91798, 91758, and 91761, plus the surrounding cities. The older homes near downtown and the airport corridor are common calls for us, but we also work regularly in the newer subdivisions on the city’s southern and eastern edges.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Ontario Customers Say
"They photographed every return and supply before starting and sent me the file afterward. No upsell to a sanitizing treatment I didn't need."
- Andres Garcia"Quoted per system rather than the bait and switch per vent pricing everybody else in town uses. The number I was told on the phone was the number on the invoice."
- Kevin Yang"Found a disconnected run in the crawlspace while they were in there and told me about it rather than cleaning around it."
- Eduardo Reyes