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.
Fast, Reliable Air Duct Cleaning Across San Bruno
Air duct cleaning in San Bruno typically runs $380 – $620 for a full residential system, depending on home size and duct condition. We know the houses here. We’ve worked the 1950s ranchers off San Bruno Avenue, the Crestmoor rebuilds, the streets tucked under the flight path. Our crews understand what the marine layer does to sheet metal and why your musty smell might not be dust at all. If you’re wondering what a job should cost before anyone steps through your door, call (980) 447-2498 and we’ll walk you through it plainly.
Why Linden Air Duct Cleaning Is San Bruno’s Preferred Air Duct Cleaning Company
Homeowners in San Bruno open the door to a stranger when they book duct work. We don’t take that lightly. Every technician we send meets the Threshold Standard: background-checked, identity-verified, photo-badged. Before the visit, you receive the tech’s name and photo. At the door, they show a photo ID badge. It’s a small thing that matters a lot when you’re home alone or your kids are watching the van pull up.
Since 2004, Linden has operated as part of the Threshold Group family, and our Air Duct Cleaning work in San Bruno follows the same rule every job: a written price before any work begins. Not a rough guess. A price in writing. Marcus Veale, who leads our team, holds every technician to that standard. The 365-Day Done Right Promise backs the work: if something isn’t right, we make it right, in writing, for a full year.
We answer the phone. A live person, 24/7. No voicemail loops when you call about a vent blowing fiberglass particles into your living room. You get a real conversation, a straight answer, and a scheduled visit without the runaround.
Commercial Air Duct Cleaning in San Bruno
Commercial Air Duct Cleaning in San Bruno means something different than residential work. Restaurants near Tanforan, medical offices along El Camino Real, and the retail spaces around the Shops at Tanforan deal with heavy daily foot traffic, grease aerosols, and the same Gap-driven particulate load as every other building in the city. Kitchen exhaust, bathroom fans, and constant HVAC runtime pack duct interiors faster than any home system. A commercial clean here runs $900 – $2,400 depending on square footage, duct complexity, and access constraints.
What Commercial Jobs Involve
We run negative-pressure extraction with Rotobrush and Nikro equipment through supply and return runs, agitate accumulated debris, and HEPA-filter the exhaust so contaminants don’t recirculate into occupied spaces. We schedule work around business hours, including early mornings or weekends, so operations don’t stall. Every commercial job gets the same written price and written guarantee as a residential clean.
When San Bruno Businesses Call Us
Most commercial calls start with a complaint: staff reporting stale air, tenants noticing dust on merchandise, or a property manager seeing elevated filter replacement costs. Those are duct problems, not filter problems. We inspect first, show you the camera footage, then quote the clean.
Air Duct Cleaning Services in San Bruno
Air Duct Cleaning Services in San Bruno cover the full path air travels: supply ducts, return ducts, plenums, boots, and registers. A standard residential clean here runs $380 – $620. Homes with original 1945 – 1965 sheet-metal ductwork often need additional sealing or insulation wrap replacement, which we quote separately before touching anything. You’ll know the total before we start.
Supply and Return Duct Cleaning
Supply ducts carry conditioned air to rooms; return ducts pull air back to the furnace. Both collect debris, but in San Bruno’s older homes, return ducts often run through unconditioned attics and crawlspaces, making them prime spots for dust, mouse droppings, and torn insulation to accumulate. We clean both, then seal accessible joints so the system stops pulling attic air into your living space.

Video Inspection
We don’t guess. We run a camera through your ducts before and after the clean. In San Bruno specifically, camera inspection catches what a visual check misses: disconnected runs in the attic from decades of shifting, crushed flex under crawlspace floor joists, and delaminated 1950s fiberglass duct board shedding into the airstream. The camera shows you exactly what we saw. You’ll see the before and after.

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 Bruno
We run professional-grade equipment, mostly Rotobrush and Nikro, because trade-trusted gear produces measurable results on San Bruno’s dust and microbial loads. Our crews stock common replacement parts locally, so a torn flex section or a failed duct collar doesn’t turn into a two-week wait. For air quality, we work with Aprilaire, Abatement Technologies, and Guardsman products when a home needs filtration or source control beyond the clean itself. We stock parts for San Bruno customers, which means shorter turnaround on sealing and minor repairs during a scheduled visit.
Common Air Duct Cleaning Problems We See in San Bruno Homes
- Chronically elevated humidity from the San Bruno Gap. The persistent marine layer keeps damp Pacific air cycling through building envelopes. Inside ductwork, that means mold and mildew grow more aggressively than in drier South Bay cities, and a standard dust-only clean misses the actual contaminant. The musty smell returns within weeks.
- Original 1945 – 1965 sheet-metal ducts with deteriorated insulation wrap. The wrap breaks down, fibers enter the airstream, and unsealed joints let Gap-wind pressurization push debris through the system. These ducts trap decades of accumulation and need source removal, not just vacuuming.
- Disconnected or crushed runs in attics and crawlspaces. Older San Bruno homes settle. Duct runs separate at the joints, or flex lines get crushed under storage boxes and floor joists. You can’t see it from the registers. Skipping camera inspection means the real air-loss and contamination source never gets addressed.
- Delaminated fiberglass duct board shedding into living spaces. Homes near the El Camino Real corridor regularly have original 1950s fiberglass duct board. The relentless Gap winds pressurize ducts with each storm system that pushes through the pass, and delaminated board actively sheds fibers. That’s not ordinary dust on your registers.
Pricing for Air Duct Cleaning in San Bruno, CA
A typical residential air duct cleaning in San Bruno costs $380 – $620 for a full system. Smaller homes or condos near downtown may run closer to $320. Larger two-story homes in Crestmoor with extensive duct runs can reach $700. Duct sealing, insulation wrap replacement, or reconnecting displaced runs are quoted separately, and you’ll see those numbers in writing before any work starts. Commercial jobs range $900 – $2,400 based on square footage and access. No per-vent pricing. No bait-and-switch coupons. One flat price per system, agreed before we touch anything. Call (980) 447-2498 for a free estimate.
We Also Serve Cities Near San Bruno
Our crews work throughout the northern Peninsula. If you’re in San Bruno, Millbrae, South San Francisco, Pacifica, or Brisbane, we schedule visits from our San Francisco Bay Area office with crews serving each city locally. Same Threshold Standard, same written pricing, regardless of which Peninsula city you call home.
Serving San Bruno, CA - Our Local Coverage Area
We’re based in the San Bruno 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 Bruno
Because the smell is usually microbial growth, not dust. San Bruno sits in the San Bruno Gap, a natural break in the coastal hills that funnels marine fog and damp air through residential neighborhoods at rates higher than Millbrae or South San Francisco. That chronically elevated humidity inside ductwork promotes mold and mildew, which a dust-only clean doesn’t remove. The smell returns because the contaminant was never addressed. We clean with source removal under negative pressure and HEPA filtration, then identify where moisture is entering the duct system. Call (980) 447-2498 and we’ll inspect before recommending anything.
Frequently, yes. The post-WWII tract homes built roughly 1945 – 1965 often still have original sheet-metal ducts with unsealed joints and deteriorated insulation wrap. Cleaning removes the debris, but if joints stay open, the system keeps pulling attic air, crawlspace dust, and Gap-wind particulates into your living space. We quote sealing separately, in writing, before any work begins. You decide what’s worth doing. The 365-Day Done Right Promise backs any repair or sealing we perform.
Homes under SFO’s approach and departure corridors absorb persistent low-altitude aviation exhaust particulates that infiltrate HVAC systems daily. Combined with the salt-laden marine fog from the San Bruno Gap, this creates a contaminant profile that doesn’t exist in neighboring Peninsula cities. We find higher concentrations of fine black particulate in returns, heavier filter loading, and more frequent microbial growth than in Millbrae or Brisbane homes. San Bruno’s exposure is essentially unique on the Peninsula, and it changes how often ducts actually need attention.
Disconnected runs, crushed flex, and delaminated fiberglass. We were called to a 1952 ranch house near the El Camino Real corridor where the homeowner described a musty smell every time the furnace kicked on. Our tech ran camera inspection through the supply and return ducts and found original 1950s fiberglass duct board delaminated and shedding fibers, plus two disconnected runs in the attic dumping conditioned air into the crawlspace. After source removal with agitation tools under negative pressure and HEPA filtration, we reconnected the runs and sealed the remaining accessible joints. The musty odor cleared within a day. A visual register check would have missed both problems. Call us for a camera inspection before you spend money on a clean that won’t fix the real issue.
Yes. Commercial systems carry more daily particulate load, run longer hours, and face code compliance demands that residential systems don’t. Restaurants, medical offices, and retail spaces near Tanforan or El Camino Real need negative-pressure extraction, HEPA filtration during the clean, and careful scheduling around business operations. Commercial jobs in San Bruno run $900 – $2,400 depending on square footage and access. Every commercial clean gets the same written price and written guarantee as our residential work. Call (980) 447-2498 and ask to speak with someone who handles Peninsula commercial accounts.
Get a Written Quote Before You Commit
You should know exactly what the job costs before a van pulls up to your San Bruno home. That’s how we work. Call (980) 447-2498, tell us about your ducts, and we’ll give you a straight answer and a written price before any work begins. The tech’s name and photo arrive before the visit. A photo ID badge is shown at the door. And if anything isn’t right within 365 days, we make it right. That’s the deal, every time.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving San Bruno as part of the Threshold Group family since 2004.




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