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.
Air Duct Cleaning Company in Vashon, WA
Air duct cleaning in Vashon typically runs $350 – $650 for a whole-home system, with most jobs scheduled as full-day appointments because crews arrive by ferry from our Seattle office. We’re Hollis Air Duct Cleaning, and we’ve learned that Vashon homes present a different set of problems than mainland properties: original ductwork in century-old farmhouses, creosote and ash from wood stoves back-drafting into vents, and the persistent humidity that breeds mold in poorly ventilated crawl spaces. If you’re seeing dust clouds when the blower kicks on, or catching musty smells after a rainy stretch, call us at (361) 326-5060 for a free written estimate.
Why Vashon Homes Are Different
Vashon’s housing stock is older and more varied than what we see across the Puget Sound. You’ll find early 1900s farmhouses along Cemetery Road, 1970s cabins tucked into the trees near Maury Island, and custom homes built before modern duct standards existed. Much of this ductwork is original, undersized, or retrofitted piecemeal, which means we often find rodent droppings, mildew colonies, and layers of wood smoke residue that mainland crews rarely encounter.
The maritime climate here works against clean ducts too. Mild, wet winters keep indoor humidity high for months, and when that moisture meets dust and organic material inside old galvanized ducting, mold and dust mites follow. Summer brings a different problem: dry conditions that loosen accumulated debris, so the first furnace cycle in October can fill a room with particulates. Many Vashon properties also rely on well water and septic systems, which means crawl spaces stay damp year-round and basement mechanical rooms lack the drainage upgrades that newer mainland homes have.
Then there’s the ferry. Every job requires scheduling around the Tahlequah or Southworth run, and we build that time into our arrival windows. Our technicians travel with full equipment loads, including backup HEPA filters and extra hose lengths, because returning to the warehouse for a forgotten part isn’t practical. This is why we typically bundle visits, combining duct cleaning with dryer vent or chimney work when a homeowner needs both.
Our Main Vashon Services
Most Vashon homeowners call us for one of three jobs. Each has its own page with detailed pricing and process information.
Air Duct Cleaning in Vashon
We clean supply and return ducts with a Rotobrush rotary brush system that scrubs the interior walls, followed by negative-air extraction with our Nikro equipment to pull loosened debris out of the house entirely. In Vashon, we pay special attention to wood stove back-drafting, which deposits creosote and fine ash in ductwork that standard mainland cleanings miss. We’ll also inspect for rodent entry points common in older rural foundations. Air Duct Cleaning in Vashon has full pricing and scheduling details.

Dryer Vent Cleaning in Vashon
Dryer vent blockages are a leading cause of house fires, and Vashon’s long vent runs through unconditioned crawl spaces or exterior walls create extra lint accumulation points. We use rotary brushes and high-velocity air tools to clear the full run from appliance to termination, then verify airflow with a meter. Because many island homes have propane or oil-heated dryers, we also check for combustion back-drafting during the same visit. Dryer Vent Cleaning in Vashon covers what’s included and what it costs.

Duct Sealing in Vashon
Leaky ductwork in Vashon’s older homes can lose 20 – 30% of conditioned air into attics and crawl spaces before it reaches the rooms. We apply mastic sealant and mechanical fasteners at joints and seams, then pressure-test the system to verify results. This is especially valuable for homes with retrofitted HVAC where original ducts were never sized properly for the new load. Duct Sealing in Vashon explains the process and expected savings.

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 Vashon
We carry parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies, and our rotary brush systems and negative-air machines come from Rotobrush and Nikro. Most replacement components are stocked on our service vans, so we’re not waiting on a ferry for a filter or gasket. our brands
Pricing for Air Duct Cleaning Company in Vashon, WA
| Service | Typical range in Vashon |
|---|---|
| Whole-home air duct cleaning (single system) | $350 – $650 |
| Whole-home air duct cleaning (dual system) | $550 – $950 |
| Dryer vent cleaning (standard run) | $120 – $220 |
| Dryer vent cleaning (long run or roof termination) | $180 – $280 |
| Duct sealing (single system, mastic application) | $400 – $800 |
| Duct sealing (dual system) | $650 – $1,200 |
| Chimney/duct bundle (cleaning + inspection) | $500 – $850 |
| Mold remediation prep (antimicrobial treatment) | $150 – $300 |
| Rodent debris removal and sanitizing | $200 – $400 |
| Additional return or trunk line cleaning | $75 – $150 per line |
Prices run toward the higher end when we find collapsed flexible ducting, heavy rodent contamination, or creosote deposits requiring extra agitation time. We write the full price on our estimate before any work starts, and that number does not change at your door.
Neighborhoods We Serve in Vashon
We schedule Vashon jobs as full-day appointments to account for ferry transit, and we cover the island’s full length from Dockton to Point Robinson. Whether you’re in a waterfront property or an inland farmhouse, arrival windows are confirmed the day before.
- Dockton
- Maury Island
- Burton
- Vashon Heights
- Colvos
Service Area – Cities Near Vashon
Our Seattle office dispatches crews throughout the central Puget Sound region. Beyond Vashon itself, we regularly serve Wauna, WA across the Tacoma Narrows, Port Orchard, WA via the Southworth ferry, Federal Way, WA to the northeast, and Gig Harbor, WA on the Kitsap Peninsula. Each location gets the same written pricing and 365-Day Done Right Promise.
Serving Vashon, WA - Our Local Coverage Area
We’re based in the Vashon 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 Vashon
No. Ferry costs and transit time are built into our standard Vashon pricing, not added as a surcharge on your invoice. We schedule island jobs as full-day commitments to make the trip efficient.
Standard residential duct cleaning and sealing do not require permits in King County. If we discover ductwork modifications needed during service, we’ll note them and advise whether a permit applies before any additional work proceeds.
Most Vashon homeowners book 7 – 10 days out, though we maintain flexibility for urgent situations like post-renovation cleanouts or real estate transactions. Call (361) 326-5060 and we’ll confirm the next available ferry-aligned window.
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 Vashon Customers Say
"Dryer vent was packed with lint and took two hours to dry a load. Cleaned it out from the roof cap down. One cycle again."
- Paula Q."No sales pitch. Told me which parts of the system were fine and only cleaned what needed it."
- Ted L."They checked each section with a camera and showed me the dust before and after. Thorough and honest."
- Nicole H.




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