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 San Marino
Air duct cleaning in San Marino typically costs $450 – $900 per full system and takes 3 – 5 hours on a standard estate home. That price reflects the reality of this city’s housing stock: large custom homes with multiple air handlers and long, retrofit duct runs that demand more time than a tract house in a neighboring zip. We’re the crew that property managers in 91108 call when a 1930s Mediterranean on Oak Knoll needs documentation-ready cleaning across three separate systems.
Our team knows San Marino’s streets, from the canopy-lined blocks off Huntington Drive to the newer rebuilds tucked behind original brick walls near Lacy Park. We schedule directly, show up with commercial-grade equipment, and treat your home with the care an estate property deserves. Call (833) 620-4169 for a free estimate that accounts for every system in the house, not just the one by the thermostat.
Why Duct Cleaning Glendora Is San Marino’s Preferred Air Duct Cleaning Company
San Marino homeowners don’t hire the cheapest van on the block. They hire someone who understands that a 1948 Monterey Colonial with a 2003 addition has ductwork spanning three construction eras. Our Air Duct Cleaning team has spent enough time in 91108 and 91118 to know exactly what that means for the job: longer runs, tighter crawlspaces, and more joints where seals fail.
The work we do in San Marino comes with the paperwork exacting owners expect. Dwight Yates, who leads our crews, insists on camera inspection before and after every job. You get footage of the interior of each trunk line, not a technician’s word that it looks cleaner. For property managers overseeing estates where the owner lives out of state, that documentation gets filed and forwarded. For homeowners, it’s simply the right way to prove work you cannot see was actually done.
We arrive in San Marino with a clear scope and a per-system quote already broken down. No bait pricing on one register, no surprise line item once the van is in the drive. Our reputation in the city was built on that transparency, one estate at a time.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Inspection in San Marino
Air Duct Inspection in San Marino is the step that separates a real cleaning from a surface wipe-down, and it’s where our process starts on every estate home we assess. We run a high-resolution camera through each supply and return trunk to map what’s actually inside: decades of dust, plaster debris from original construction, sometimes a collapsed flex run that was installed during a 1980s kitchen renovation and never touched again.
A thorough inspection on a typical San Marino property runs $150 – $300 as a standalone service and is credited toward cleaning if you book both. For homeowners in 91108 who suspect their ducts are contributing to indoor dust but aren’t sure cleaning is warranted, this is the documented diagnostic that answers the question without pressure.
Camera-Based System Mapping
We photograph every register, collar, and accessible junction. The images are time-stamped and labeled by system and location, so you know which wing of the house we’re looking at. In a home with three air handlers, that mapping matters more than in a single-system tract house.
Crawlspace and Attic Access Points
San Marino’s California basement and crawlspace construction means many return lines run through spaces nobody has entered in years. Our techs physically access those areas to inspect collars and connections. Disconnected returns are more common here than most homeowners realize, and an inspection catches them before they pull attic air into the living space for another season.
Residential Air Duct Cleaning in San Marino
Residential Air Duct Cleaning in San Marino begins with the same camera inspection, because you cannot clean what you haven’t mapped. A full cleaning of one system in a standard San Marino estate typically runs $450 – $650. Homes with two or three separate air handlers are quoted per system, not per house, which is where our estimates differ from the single-flat-rate model that leaves half a home untouched.
We clean with Rotobrush rotary brush systems paired with Nikro HEPA negative-air vacuums. The brush mechanically agitates debris off duct walls while the HEPA vacuum maintains negative pressure, capturing what’s loosened rather than pushing it into the room. For San Marino homes running hard through San Gabriel Valley summers, that distinction is measurable: return ducts loaded with smoke-season particulate need mechanical removal, not suction alone.
Source Removal Across the Full Run
We clean supply and return ducts, trunk lines, and accessible branches, not just the visible registers. In a home with retrofit ductwork, that means reaching the buried sections in attics and crawlspaces where debris accumulates for decades. Every access point we open is resealed properly before we leave.
Multi-System Estate Cleaning
A single San Marino property with a 1920s original wing, a 1960s addition, and a 2000s pool-house system carries three separate duct networks. We treat each as its own job, with its own camera record and its own cleaning report. You pay per system, and you see per-system documentation when we’re done.
Trusted Brands We Service in San Marino
We work across the equipment San Marino homes actually have. That means Honeywell electronic air cleaners on older forced-air systems, Aprilaire media cabinets retrofitted to 1950s furnaces, and the Guardsman registers and grilles found throughout estate builds from multiple eras. Our techs stock common replacement filters and access-panel hardware on the truck, so an inspection that turns up a disintegrated filter frame or a broken register doesn’t require a second trip. When a duct problem points back to the broader HVAC ecosystem, we can address it within scope: cleaning, repair, and prevention in one visit.
Common Air Duct Cleaning Problems We See in San Marino Homes
- Patchwork retrofit duct runs. Homes built before central HVAC had ductwork added in phases, often mismatched in diameter and poorly sealed at the transitions. Each transition point is a debris trap and an air leak under negative pressure.
- Disconnected or crushed returns in crawlspaces. California basement construction leaves return lines exposed to movement, moisture, and occasional wildlife. We regularly find collars pulled loose, pulling dust and fiberglass into the airstream.
- Smoke-season particulate loading. Santa Ana wind events and wildfire smoke push fine ash into return intakes across 91108. Without source removal, that load stays in the ducts and recirculates every time the AC kicks on.
- Single-system quotes that miss the other two. A flat-rate price for “duct cleaning” on a house with three air handlers means two systems never get touched. We see this all the time when another company has been through first.
See the difference
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AfterPricing for Air Duct Cleaning in San Marino, CA
Here’s what we quote in San Marino, and it doesn’t move once we’re on site. A single-system cleaning on a typical estate home runs $450 – $650. Homes with two systems fall between $800 – $1,200. Three-system properties, common on larger lots off Huntington or around Lacy Park, typically run $1,200 – $1,800. Inspection-only service is $150 – $300, credited toward cleaning if booked together. Every quote is per system and written down before work begins. Call (833) 620-4169 for a free estimate on your specific home.
We Also Serve Cities Near San Marino
Our service area reaches beyond San Marino into the surrounding San Gabriel Valley communities. We regularly run crews to East San Gabriel, East Pasadena, Pasadena, and North El Monte, bringing the same per-system pricing and documentation standards to each. If you’re managing a property in one of those cities and want a team that treats retrofitted ductwork seriously, we’re already nearby.
Serving San Marino, CA – Our Local Coverage Area
We’re based in the San Marino 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 San Marino
Because most San Marino estates predate central HVAC and had ductwork retrofitted piecemeal into attics and crawlspaces, a single property often carries two or three separate air handlers and a patchwork of mismatched runs. One flat rate assumes one system; if your house has three, the other two never get quoted, never get inspected, and never get cleaned. Per-system pricing is the only honest way to estimate a home where the 1920s wing, the 1960s addition, and the modern rebuild each have their own duct network. Call (833) 620-4169 and we’ll map every system before we quote.
You should expect time-stamped camera footage of every trunk line and return, photos of each register and collar before and after, and a written per-system report. On a Huntington-area estate with three air handlers, our tech found a 1950s wing’s retrofit return essentially disconnected at a crawlspace collar, pulling attic air straight into the system. We ran source removal under negative pressure with HEPA filtration, photographed every register and collar before and after, delivered a per-system report the property manager could file, sealed the collar, replaced the collapsed flex run with R-8, and left the owner with camera inspection footage of all three systems. That’s the standard.
It’s not a problem, but it does change how the cleaning should be done. Retrofit ductwork in 1930s San Marino homes runs through the same California basement and crawlspace construction as the original plumbing and wiring, which means more joints, more transitional fittings, and more places where seals have failed over the decades. We account for that with full camera mapping before agitation begins and by physically accessing crawlspace sections rather than cleaning only the reachable supply registers. Your older home is cleanable; it just requires a crew that treats retrofit runs as the norm, not an exception.
Schedule after the fall leaf drop and after fire season, which in San Marino means late autumn and early winter. The mature oak and deodar canopy over streets off Huntington and Oak Knoll loads outdoor intakes with leaves and pollen every fall, and Santa Ana wind events push fine smoke and ash into returns. By late November, the ducts have collected a season’s worth of particulate, and cleaning before winter heating season means you’re not circulating that load through the house all January. We also see a smaller spike in early summer as owners prep AC systems for the first heat wave. Call (833) 620-4169 to lock in a fall slot, which fills fastest.
Yes, if the source of that dust and smoke is inside the ductwork itself, which is common in San Marino’s estate homes. Source-removal cleaning with rotary agitation and HEPA negative-air capture physically pulls decades of accumulated particulate off duct walls and out of the system, rather than just blowing around what was already loose. Homeowners in 91108 who run AC hard through San Gabriel Valley summers and fire seasons typically report noticeably less surface dust within a few weeks of a full-system cleaning. The key is that all systems get cleaned, not just the one by the main thermostat. For a documented assessment of your specific home, call us at (833) 620-4169.
Contact Duct Cleaning Glendora for Your San Marino Home
If your San Marino home has ductwork you’ve never seen and a system count you’re not sure about, start with a free estimate. We’ll map every air handler, inspect the crawlspace sections most crews skip, and give you a per-system price before any work begins. Our team serves 91108 and 91118 with commercial-grade Rotobrush and Nikro equipment, camera documentation on every job, and the straightforward communication estate owners expect. Call Dwight and the team at (833) 620-4169 to schedule your inspection.
Written by Dwight Yates, Owner at Duct Cleaning Glendora, serving San Marino and the San Gabriel Valley.