Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Dryer Vent Cleaning Across Ontario
A dryer vent cleaning in Ontario typically costs $120 – $240 for a standard single-story home and takes 45 – 90 minutes from setup to final airflow test. If your dryer is taking two cycles to finish a load, or the laundry room feels humid while the machine runs, the vent line is almost certainly restricted. We serve every Ontario ZIP code (91758, 91761, 91762, 91764) and arrive with camera equipment so you see the blockage before we clear it. Call (855) 360-4975 for a free estimate.
Ontario’s older housing stock creates a specific kind of dryer vent problem, and we’ve seen it hundreds of times. Homes built in the 1950s through 1970s often have vents routed through shared cavities with fireplace chases, which means lint builds up where nobody can see it until the dryer starts failing. Our Dryer Vent Cleaning team knows exactly where to look in these tract homes, because we’ve mapped the common routing patterns across Ontario neighborhoods for years.
Why Chestnut Chimney Sweep Is Ontario’s Preferred Dryer Vent Cleaning Company
Homeowners in Ontario call us because we treat dryer vent cleaning as a fire-safety service, not a quick vacuum job. That distinction matters in a city where original 1950s clay tile flues and uncapped chimney chases sit right next to dryer exhaust lines. We run a camera down every vent before and after cleaning, so you’re not taking our word for it. You’re watching the footage on our screen.
Roland Cifuentes built this company around a simple principle: show the homeowner what’s actually in the vent, then recommend only what the evidence supports. That’s why customers who use our Gelco service in Ontario keep our number. We don’t guess, and we don’t upsell liners or caps without footage that proves the need.
Our response time to most Ontario neighborhoods is same-week, often within two to three business days during the busy fall and winter months. For the older tract blocks off Holt and Euclid, we’re typically able to route a crew quickly because we schedule Ontario jobs in clusters. You get a real specialist, camera equipment, and a written report with photos after the job.
Styles & brands we work with





Our Dryer Vent Cleaning Services in Ontario
Dryer Vent Cleaning
We clean the full vent run from the dryer connection to the exterior termination point, using rotary brushes and high-velocity air to strip accumulated lint. In Ontario’s single-story stucco tract homes, these runs are often shorter than average, but the elbows and transitions behind the laundry closet are where lint packs tight. We verify airflow with a manometer before we leave, and you see the before-and-after footage.

Level 2 Inspection
A Level 2 inspection means running a camera through the entire vent system and, where your dryer vents through or near a chimney chase, the flue cavity as well. In Ontario’s older homes off Euclid and Holt, we’ve found dryer vents that share wall cavities with fireplace flues, which means lint isn’t the only thing accumulating. We check for cracked clay tiles, missing mortar, bird nesting material, and blockage points that a basic cleaning would never reveal.

Chimney Cap Installation
Many Ontario homes built before 1980 never had proper chimney caps installed, and a missing cap is an open invitation for birds and wind-blown debris. When we install a cap, we specify the right one by name – Copperfield and Olympia Chimney caps are our standard because they hold up to Santa Ana wind loads better than hardware-store generic versions. A correct cap also keeps rain out of the flue, which matters when your dryer vent runs through the same chase.

Dryer Vent Rerouting and Repair
Sometimes the vent line itself is the problem: crushed ductwork behind a wall, improper material that traps lint, or a termination point that dead-ends under an eave. We rework these runs with Famco-grade venting components, sized correctly for your dryer’s CFM output. In Ontario’s older homes, this often means rerouting a vent that some long-ago contractor ran through a chimney chase to save an hour of labor.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Ontario
We stock DuraFlex liners, Copperfield caps, and Famco venting components, which means Ontario customers aren’t waiting on a parts order when a repair is needed. If we find a cracked clay tile flue that requires a liner, DuraFlex is our go-to because it’s contractor-grade stainless steel that won’t fail the way thin, bargain liners do. We name the specific part we’re installing and why, because the parts matter as much as the labor. Same-day liner jobs are possible in Ontario when the weather cooperates and the flue is accessible.
Common Dryer Vent Cleaning Problems We See in Ontario Homes
- Lint packed behind a shared chimney chase wall. In 1950s and 1960s tract homes off Holt and Euclid, dryer vents often terminate near a fireplace chase, and lint builds up in the shared cavity where you can’t see it from the outside lint trap. The dryer still runs, so the problem hides until airflow drops significantly.
- Original clay tile flues with hairline cracks and no cap. Many Ontario homes still have their original masonry chimney systems, and a missing cap means birds nest deep in the flue. When the dryer vents through that same chase, bird debris and lint compound into a blockage that backs up into the living space.
- Crushed or sagging flexible duct behind the wall. The 1970s-era homes in the 91762 and 91764 ZIP codes often have vinyl or foil flex duct that’s been pinched during later remodels or simply degraded from decades of Inland Empire heat. Crushed duct traps lint at the bend point and reduces dryer efficiency.
- Vents terminating under eaves or in attics. Older Ontario homes sometimes vented dryers into attic spaces or under soffits, which is a fire hazard and often against current code. We find these during camera inspections and reroute them to the exterior with proper termination caps.
Pricing for Dryer Vent Cleaning in Ontario, CA
A standard dryer vent cleaning in Ontario runs $120 – $240 for most single-story homes with accessible vent runs. Two-story homes or vents longer than 25 feet typically land in the $180 – $300 range. If we find a significant blockage, a cracked flue, or a vent routed through a chimney chase, a Level 2 camera inspection adds $90 – $150 and is worth every dollar, because it shows you exactly what’s happening inside the wall.
Chimney cap installation runs $180 – $400 depending on the cap model and flue size. A DuraFlex liner, if needed, typically runs $1,800 – $3,200 installed in Ontario depending on flue height and access. We never quote a liner or cap without showing you the camera footage first. Call (855) 360-4975 for a free estimate, and we’ll give you a flat price before any work begins.
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AfterWe Also Serve Cities Near Ontario
Beyond Ontario, our crews cover Montclair, Upland, Chino, and San Antonio Heights on a regular weekly schedule. If you’re in one of these neighboring cities and need Dryer Vent Cleaning, we can usually route a nearby crew within a day or two. Same flat pricing, same camera-first approach, same written report.
A Note on Ontario’s Older Homes and Dryer Vent Safety
Here’s something specific to Ontario that you won’t find on a generic dryer vent page. In the older tract blocks off Holt and Euclid in the 91761 ZIP, many dryer vents terminate at the same exterior wall as a fireplace chase. The lint and creosote debris share a cavity. We’ve pulled dryer vent lines that were routed directly through a chimney chase, where the original clay tile flue had developed a hairline crack and never had a cap installed. Bird nests, lint, and soot all packed into the same space.
On a 1958 tract home near Holt and Euclid, our crew pulled a dryer vent line routed through the chimney chase. The original clay tile flue had a hairline crack and no cap, so bird nests and lint had packed the shared cavity. We ran a camera, showed the homeowner the blockage on-screen, then cleared the vent and recommended a DuraFlex liner only after the footage confirmed the tile damage. The dryer now vents freely, and the homeowner scheduled a Level 2 inspection for the fireplace flue.
The dry Inland Empire climate makes this worse. Ontario gets intense summer heat and periodic Santa Ana winds, and chimneys sit unused for months, accumulating wind-blown dust and debris. The dry heat accelerates mortar and crown cracking. So when we clean a dryer vent in Ontario, we’re also checking the structural condition of anything sharing that cavity, because one compromised flue can affect the other system.
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 – Dryer Vent Cleaning in Ontario
In Ontario’s 1950s-to-1970s tract homes, the vent run is often partially blocked with lint packed behind a wall or inside a shared chimney chase, which reduces airflow enough to make the dryer work twice as hard. The fix is a full vent cleaning with camera verification. Call (855) 360-4975 to schedule.
Yes, if your Ontario home’s dryer vent shares a cavity with a fireplace chimney, a cracked clay tile flue can let bird debris, soot, and lint mix in the same space, creating a blockage that affects both systems. We inspect both with a camera and show you the footage before recommending any repair.
For most Ontario homes, once a year is right, but homes where the vent runs through a chimney chase or homes with long vent runs should be inspected every 6 – 12 months. We can set you up with an annual cleaning reminder.
A Level 2 inspection is a camera scan of the entire vent line and any shared chimney chase, and we recommend it for any Ontario home built before 1980 or any vent that hasn’t been inspected in years. It shows blockages and flue damage you can’t see from the outside.
Because we won’t recommend a liner, cap, or reroute unless the footage shows the problem clearly, and you should never pay for a repair you haven’t seen justified. Call (855) 360-4975 and we’ll put the camera in the vent and show you what we find in real time.
Book Your Ontario Dryer Vent Cleaning Today
If your dryer is running long, your laundry room feels damp, or you live in one of Ontario’s older homes off Holt, Euclid, or the 91761 corridor, get the vent checked before lint buildup becomes a fire hazard. We are licensed and insured, we bring camera equipment to every job, and we give you a flat price before the work starts. Call (855) 360-4975 for a free estimate, or ask for Roland Cifuentes directly. Clean vent. Safe home. Done right.
Written by Roland Cifuentes, Owner at Chestnut Chimney Sweep, serving Ontario since our founding. We specify the right liner, cap, or repair product for your system, by name.