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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Before
AfterAir Duct Cleaning Company in Kentfield, CA
Air duct cleaning in Kentfield means working inside homes where decades of damp, shaded air have been moving through metal that’s been there since the late 1940s. Most houses up here are mid-century custom builds on wooded hillside lots, with original sheet-metal or early flex-duct systems running through crawl spaces that never really dry out. We’re a local air duct cleaning company, and we handle the mold, pollen, and fine redwood debris that Kentfield’s specific geography pushes into ductwork. If you’re noticing stale air or visible grille buildup, call (469) 972-3151 for a straight answer and a written price before anything gets touched.
Why Kentfield Homes Are Different
Kentfield sits at the base of Mt. Tamalpais, in one of the wetter microclimates in Marin County. Orographic uplift means this community receives noticeably more annual rainfall than places like Corte Madera or San Rafael just a few miles east. That’s not small talk; it’s the reason your ducts behave differently. Combined with the dense redwood and bay laurel canopy that keeps most homes shaded and humid well into summer, the persistent moisture creates near-ideal conditions for mold and mildew colonization inside ductwork. Air duct cleaning in Kentfield, in other words, addresses a biological health risk, not just routine dust.
The Ross Valley’s topography traps morning fog and marine moisture for hours longer than exposed Bay Area communities, keeping indoor humidity high even without rain. Homes that rely on natural ventilation rather than mechanical cooling can sit stagnant and damp for months at a stretch. On heavily canopied streets above Sir Francis Drake Boulevard, we consistently find return-air grilles packed with bay laurel pollen and fine redwood debris, a profile almost never seen in sunnier communities a few miles east. That organic particulate load is driven by Kentfield’s specific tree cover as much as anything inside the house. The systems themselves compound the problem: many are original to homes built from the late 1940s through the 1970s, and they run through crawl spaces subject to year-round ground moisture. Unchecked for decades in a mild climate with infrequent HVAC use, ducts here accumulate what ducts elsewhere simply don’t.
Our Main Kentfield Services
Kentfield homeowners most often call us for two specific jobs, each with its own dedicated page so you can read the full detail before picking up the phone.
Air Duct Cleaning in Kentfield
We clean the full duct system using professional-grade equipment, not a shop vac with a long hose. Rotobrush rotary brush agitation loosens debris at the duct wall. Nikro negative-air extraction pulls the loosened material out of the system and into containment. An Abatement Technologies HEPA filter keeps those particles out of your living space while we work. In Kentfield specifically, this means removing the bay laurel pollen and redwood debris that build up in return-air grilles, plus any mold or mildew that’s taken hold in damp crawl spaces. See Air Duct Cleaning in Kentfield for full pricing and process.
Dryer Vent Cleaning in Kentfield
Dryer vents in Kentfield run through the same damp, shaded conditions as the ducts, and lint plus moisture makes for a fast clog. We clean the entire vent run from the dryer connection to the exterior termination, using a rotary brush to break up compacted lint and a negative-air unit to pull it out. Shaded, older homes here often have long vent runs with multiple bends, and a damp crawl space makes lint stick harder. If your dryer takes two cycles to dry a load or the vent hood flap barely opens, that’s the signal. Read Dryer Vent Cleaning in Kentfield for the full breakdown.
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.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Kentfield
Our technicians work on duct systems from every major manufacturer, and we stock common replacement parts locally. For filtration and indoor-air-quality upgrades between cleanings, we install Honeywell, Aprilaire, and Guardsman products. Need a specific filter or media cabinet? Ask us on the phone; we’ll tell you exactly what’s available and how long the order takes. See our brands for the full list.
Pricing for Air Duct Cleaning Company in Kentfield, CA
| Service | Typical range in Kentfield |
|---|---|
| Whole-home air duct cleaning (average 2,000 sq ft home) | $450 - $750 |
| Smaller home / condo system | $325 - $450 |
| Larger or multi-zone system | $750 - $1,100 |
| Return-air grille cleaning (included in full service) | $0 with whole-home cleaning |
| Supply register cleaning (included in full service) | $0 with whole-home cleaning |
| Crawl space duct inspection | $95 - $150 |
| Furnace / air handler coil cleaning | $150 - $300 |
| Duct sanitizing treatment (post-clean, optional) | $150 - $250 |
| Dryer vent cleaning | $139 - $229 |
| Re-cleaning within 365 days if work falls short | $0 under the 365-Day Done Right Promise |
What pushes price up in Kentfield is the age of the house and the condition of the crawl space. Original flex duct that’s disintegrating takes longer to clean correctly, and heavily contaminated systems need more filter changes and more time. The written price in your hand covers the whole job before we start; it doesn’t change when the technician arrives, because the Kingswell Guarantee doesn’t work that way.
Neighborhoods We Serve in Kentfield
We work throughout Kentfield, from the hillside streets above Sir Francis Drake Boulevard down to the flatter lots near the Ross Valley. Our crews know the older homes near Woodlands, the larger properties up in the hills, and the mid-century builds around the College of Marin. When you call us, we’ll schedule you in one of our defined arrival windows and show up inside it, clean-shoed and ready to work.
- Kent Woodlands
- Hillside streets above Sir Francis Drake Boulevard
- Areas near the College of Marin
- Ross Valley side of Kentfield
- Corte Madera Creek corridor
Service Area – Cities Near Kentfield
While this page is focused on Kentfield, our crews also serve the surrounding Marin communities on a regular basis. If you’re in Larkspur, CA, San Anselmo, CA, San Rafael, CA, or Corte Madera, CA, we can bring the same written-price guarantee and the same 365-Day Done Right Promise to your door. Call (469) 972-3151 and tell us the city; we’ll confirm coverage and the next open arrival window.
Serving Kentfield, CA - Our Local Coverage Area
We’re based in the Kentfield 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 Kentfield
Most Kentfield jobs can be scheduled within a week, sometimes sooner depending on the calendar. When you call (469) 972-3151, a live person answers and gives you a defined arrival window, not a four-hour maybe. We commit to that window in writing.
Duct and dryer-vent cleaning is work that happens inside your own system and doesn’t affect building exteriors, so HOAs rarely require approval. If your HOA has specific rules about exterior vent terminations or roof access, let us know on the call and we’ll work within them.
It’s the moisture-plus-canopy combination. Kentfield’s orographic rainfall, morning fog, and heavy redwood and bay laurel cover produce a biological load, pollen, mold, and fine organic debris, that you don’t see in drier, more open communities. That’s why the job here is a mold-remediation-grade cleaning, not a routine dust pass. Call (469) 972-3151 and we’ll explain exactly what your home’s conditions mean for the price.
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 Kentfield Customers Say
"Set up an appointment for the whole house plus the dryer line. They called the morning of to confirm, showed up in the window, and showed me pictures of the gunk they pulled out. Worth it."
- Terrence Boyd"My wife's allergies were awful every morning. Had the ducts done and it's made a real difference. Tech was on time and wore booties in the house without me asking."
- Rob Pendergast"Bought an older home and the previous owners had pets everywhere. After Kestrel did the ducts the stale smell was just gone. On time, quick, and they showed me the filter they pulled."
- Preston Ngata