Whole-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.
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AfterFast, Reliable Air Duct Cleaning Across San Marino
Air duct cleaning in San Marino typically costs $450 – $1,200 for a full system on a standard estate home, with per-system pricing running $150 – $400 when a house has multiple HVAC units. Most San Marino jobs take 4 – 8 hours because the ductwork in these older homes runs long, hides inside original plaster walls, and often includes retrofitted segments that were never meant to carry conditioned air. We know San Marino’s homes because we work in them every week. Call (980) 447-2498 for a written quote before any work starts.
Why Linden Air Duct Cleaning Is San Marino’s Preferred Air Duct Cleaning Company
San Marino homeowners don’t hand out trust easily, and we respect that. Every technician who steps onto a property here is background-checked, identity-verified, and arrives in a marked uniform. Before the appointment, you’ll receive the tech’s name and photo. At the door, they’ll show a photo ID badge. That’s the Threshold Standard, and it’s been our operating rule since 2004 as part of the Threshold Group family. We built our reputation in San Marino by treating each estate home as its own job, not a stop on a route.
Our crews work through the whole city, from the estate streets off Huntington Drive to properties near Lacy Park and the neighborhoods along St. Albans Road and Lombardy Road. We send the same verified technician to your door whether you’re in the flats near San Marino Avenue or up against the foothills where wildfire ash settles into return plenums every fall. San Marino homeowners have kept calling us because the price we quote is the price on the invoice, and the work gets documented in a way you can actually verify.
Commercial Air Duct Cleaning in San Marino
Commercial Air Duct Cleaning in San Marino serves the city’s handful of institutional and office properties, including private schools, churches, medical offices, and the retail spaces along Huntington Drive. These buildings often share the same retrofit history as the residential estates: central HVAC pushed through original wall cavities, long duct runs with poor access, and decades of accumulated particulate that a standard maintenance crew never touches. A commercial job in San Marino typically runs $1,200 – $4,500 depending on square footage, number of rooftop units, and duct accessibility.
Multi-Unit and Institutional Systems
Schools and churches in San Marino operate with older duct systems that run far longer than modern designs would specify. We coordinate work around operating hours and provide the same written price before any work begins, along with video documentation of what came out. No surprises, no add-on fees after the fact.
Retail and Office Ductwork
Office buildings near San Marino’s commercial corridor often have return ducts hidden above dropped ceilings, where disconnected plenum joints go unnoticed for years. We clean these systems using negative-pressure extraction and camera verification, and we’ll show you the before-and-after footage of your own building’s ducts.
Air Duct Cleaning Services in San Marino
Air Duct Cleaning Services in San Marino means working with homes that almost never have standard duct layouts. Residential jobs here run $450 – $1,200 for a full system, with supply duct cleaning, return duct cleaning, and full system cleaning quoted per system, not per vent. If your house has three HVAC units, you get three line-item prices in writing before we start. That’s the only honest way to quote a San Marino estate home.
Supply and Return Duct Cleaning
Supply ducts push conditioned air into rooms. Return ducts pull air back to the unit. In San Marino, returns are often the dirty half, because they were retrofitted through old chimney chases and stairwell cavities where debris sat undisturbed for decades. We clean both sides, separately, and document what we find.
Video Inspection Before and After
You can’t see inside your own walls. That’s why we run a camera through the ducts before we start and again when we finish. You get photo or video proof of the actual condition, not a technician’s word for it. That documentation is part of every San Marino job, residential and commercial.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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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 San Marino
The equipment in San Marino homes spans decades: original rigid duct board from the 1950s, flex duct retrofits from the 1980s, and modern systems added more recently. We run professional-grade Rotobrush and Nikro agitation and extraction equipment, and we work with air-quality products from Honeywell, Aprilaire, Abatement Technologies, and Guardsman when a system needs filtration upgrades. If your San Marino home has a specific filter or air-quality product installed, we’ll know how to work around it, not just clean past it.
Common Air Duct Cleaning Problems We See in San Marino Homes
- Debris traps inside chimney chases: When 1970s and 80s retrofits ran return ducts through original chimney chases, they created inaccessible segments where dust, plaster chunks, and fiberglass facing accumulate for decades. Standard cleaning that only reaches the accessible runs leaves these sources untouched.
- Disconnected plenum joints hidden behind finished ceilings: We routinely find return duct joints that separated behind original plaster, pulling dust from wall cavities directly into the living space. A blow-and-go clean won’t find these; camera inspection does.
- Deteriorating original duct board: Homes built in the 1920s through 1950s often still have their original rigid duct board insulation. Its fiberglass facing breaks down with age, and agitated cleaning without first verifying integrity can make indoor air worse, not better.
- Wildfire ash and Santa Ana dust infiltration: San Marino sits at the foot of the San Gabriel Mountains, and each fire season pushes ash from the Angeles National Forest into leaky older duct systems. Seasonal Santa Ana winds then drive desert dust through any unsealed penetration, making contamination accumulation a near-annual cycle here.
Pricing for Air Duct Cleaning in San Marino, CA
A full residential air duct cleaning in San Marino runs $450 – $1,200 depending on the number of systems, home size, and how much access the original retrofit allows. Supply duct cleaning alone is $200 – $500; return duct cleaning is $150 – $400; full system cleaning including both sides, plenum, and blower compartment is $500 – $1,200. Commercial jobs range $1,200 – $4,500. For homes with three HVAC units, you’ll see three separate line items, each priced per system before any work begins. We never quote per vent. You get one flat price per system, in writing, no exceptions. Call (980) 447-2498 for a free estimate tailored to your specific house.
We Also Serve Cities Near San Marino
Our Air Duct Cleaning crews work throughout the San Gabriel Valley. When we’re not in San Marino, we’re serving homeowners in San Marino‘s neighboring communities: San Gabriel, Alhambra, Pasadena, and South Pasadena. Each of those cities has its own housing quirks, but San Marino’s retrofit history remains the most unusual we see.
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
We don’t rely on standard routing assumptions. Our technicians use camera inspection to map the actual duct path, including segments hidden inside chimney chases or closed-off servants’ stairwells. We then run agitation tools and negative-pressure extraction through those segments using whatever access points exist, and if access is truly impossible, we’ll tell you honestly what can and can’t be reached before we quote the job. Call (980) 447-2498 and describe your home’s layout; we’ll give you a realistic assessment, not a promise we can’t keep.
Because most San Marino estate homes have two or three separate HVAC systems, each with its own duct network, and a single flat price would hide what you’re actually paying for. We quote one written price per system before any work begins. If your house has three units, you’ll see three line items, each covering that system’s supply, return, plenum, and blower compartment. No per-vent math, no surprise invoices. Every repair also comes with a written guarantee, and if a covered repair fails within 365 days, we return at no charge.
Most San Marino homes need air duct cleaning every 3 – 5 years, though homes closest to the foothills or with leaky older systems often benefit from every 2 – 3 years. The San Gabriel Valley air basin consistently ranks among Southern California’s highest for PM2.5 particulate accumulation, and wildfire smoke from the Angeles National Forest adds ash deposits to return plenums each fire season. If you notice visible dust settling within days of cleaning surfaces, or allergy symptoms worsen indoors, it’s time. Call (980) 447-2498 for an honest recommendation based on your specific house.
You should expect a written price before any work begins, a verified technician who arrives with name and photo provided ahead of time, and photo ID shown at the door. The job itself involves camera inspection, agitation of duct walls, negative-pressure extraction to remove loosened debris, and post-cleaning documentation. In San Marino, the tech will spend extra time verifying the integrity of aging duct board and flex connections before agitating anything, because disintegrating material in these older systems can worsen air quality if handled carelessly. We’ll show you before-and-after footage of your own ducts.
Yes. We handle residential estate homes throughout San Marino and commercial properties along Huntington Drive, including schools, churches, and medical offices. The equipment and process are the same: camera inspection, source removal, negative-pressure extraction, and written documentation. Commercial pricing runs $1,200 – $4,500 depending on square footage and unit count. Call (980) 447-2498 and tell us about your building; we’ll schedule a walk-through and give you a firm written quote.
Get Your Written Quote Before Any Work Starts
San Marino homeowners deserve to know exactly who’s coming to the door and exactly what the job will cost, before anyone sets foot inside. That’s how we’ve operated since 2004. Call (980) 447-2498 and a live person will answer, 24 hours a day. We’ll talk through your home’s layout, give you an honest range for per-system pricing, and put the final number in writing with the 365-Day Done Right Promise behind it. If the work isn’t right, we make it right. Free estimates, no obligation.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving San Marino since 2004.