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 SeaTac, WA
Air duct cleaning in SeaTac typically runs $350 – $650 for a whole-home system, with most jobs completed in a single visit. SeaTac’s unique location beneath the flight path of Sea-Tac International Airport and its heavy industrial corridor means local ductwork collects a distinctive gray-black particulate blend of aviation exhaust, tire dust from I-5 and SR-518, and warehouse emissions that standard suburban systems rarely see. We’re Hollis Air Duct Cleaning, part of the Garrison Partners family, and our crews clean, seal, and restore duct systems across SeaTac with the same Rotobrush and Nikro equipment commercial operators use. Call (361) 326-5060 for a free written estimate.
Why SeaTac Homes Are Different
SeaTac sits in a geographic pocket few other Puget Sound cities replicate. The constant overflight of Sea-Tac International Airport and the adjacent industrial corridor loads ductwork with a mix of aviation particulate, rubber tire dust from I-5 and SR-518, and warehouse exhaust. Technicians working near the airport regularly pull out ducts clogged with a gray-black fuzz from jet exhaust and road grit, a local signature that customers in nearby cities like Tukwila or Des Moines simply don’t see.
The housing stock splits the workload. On the west side and around Angle Lake, 1960s-1980s ramblers and split-levels often have original metal ducting in damp crawlspaces where mold spores colonize each fall. Along International Boulevard, dense 1990s-2000s apartment and townhome complexes rely on flex duct and undersized returns that collect debris and need mechanical cleaning rather than simple vacuuming. The cool, wet marine climate keeps HVAC systems in heating mode for much of the year, so ducts develop musty odors that require sanitizing after cleaning, especially in fall and winter.
Our Main SeaTac Services
SeaTac homeowners call us for three core jobs, each shaped by the local environment.
Air Duct Cleaning in SeaTac
We clean supply and return ductwork with rotary brush systems and negative-air machines that agitate and extract the aviation particulate and road grit that settles in SeaTac systems. In the older homes near Angle Lake, we often find decades of accumulated debris in galvanized steel trunk lines; in the International Boulevard complexes, collapsed flex duct and clogged returns are the usual culprits. Every job gets a written price before we start and a 365-Day Done Right Promise in writing. Air Duct Cleaning in SeaTac

Dryer Vent Cleaning in SeaTac
Dryer vent blockages in SeaTac combine standard lint buildup with the same fine particulate that coats outdoor surfaces near the airport. We run professional-grade augers and high-velocity blowers through the full vent run, including rooftop terminations common in the townhome complexes along International Boulevard. Blocked vents are a genuine fire hazard; we inspect the termination point and airflow rate before we leave. Dryer Vent Cleaning in SeaTac

Duct Sealing in SeaTac
SeaTac’s older homes lose conditioned air through gaps at plenum connections and crawlspace penetrations that have shaken loose over decades. We seal accessible ductwork with mastic and mechanical fasteners, then pressure-test to verify the seal. In the damp crawlspaces west of the airport, sealing also reduces the musty air infiltration that plagues heating-season comfort. Duct Sealing in SeaTac

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 SeaTac
We stock parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies, and our crews carry Nikro negative-air machines and Rotobrush rotary systems on every truck. Most SeaTac jobs need no return visit for parts; when a specialty filter or adapter is required, our Seattle office coordinates next-day delivery. our brands
Pricing for Air Duct Cleaning Company in SeaTac, WA
| Service | Typical range in SeaTac |
|---|---|
| Whole-home air duct cleaning (single system) | $350 – $650 |
| Whole-home air duct cleaning (two systems) | $550 – $950 |
| Dryer vent cleaning (ground-floor termination) | $120 – $180 |
| Dryer vent cleaning (rooftop or extended run) | $180 – $280 |
| Duct sealing (partial, accessible trunk lines) | $400 – $700 |
| Duct sealing (whole-home, including returns) | $800 – $1,400 |
| Sanitizing treatment (mold/odor, post-cleaning) | $150 – $250 |
| Return duct repair or replacement (per run) | $200 – $450 |
Prices in SeaTac run toward the higher end when crawlspaces are flooded or access panels must be cut into finished drywall, common in the 1990s townhomes along International Boulevard. We write the price down before any work starts, and that number does not move at the door.
Neighborhoods We Serve in SeaTac
Our crews work across SeaTac from the airport perimeter to the Angle Lake shore. Most SeaTac appointments are scheduled within a 90-minute arrival window, with dispatch coordinated from our Seattle office.
- Angle Lake
- McMicken Heights
- Sunnydale
- Bow Lake
- SeaTac International Boulevard corridor
Service Area – Cities Near SeaTac
We serve SeaTac directly and schedule work in surrounding markets through our Puget Sound operation. Homeowners in Seattle, WA, Tacoma, WA, Spokane, WA, and Vancouver, WA can call for availability and written estimates on the same equipment and guarantee terms.
Serving SeaTac, WA - Our Local Coverage Area
We’re based in the SeaTac 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 SeaTac
No permit is required for standard residential duct cleaning or dryer vent cleaning in SeaTac. Duct sealing that involves modifying or extending existing ductwork may require a permit from the city; we flag this during the estimate and handle the paperwork if needed. Call (361) 326-5060 to discuss your specific job.
Most SeaTac homeowners book within 3 – 5 business days, with dispatch coordinated from our Seattle office. We do not promise same-day service; duct cleaning is a scheduled job that requires a written price agreement and a confirmed arrival window. Call (361) 326-5060 to check current availability.
Yes. We clean ducts in multi-unit buildings throughout the International Boulevard corridor, including complexes with limited parking and rooftop mechanical access. We coordinate with building management when needed and carry equipment sized for tight utility closets and crawlspace hatches. Call (361) 326-5060 for a free estimate.
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 SeaTac Customers Say
"Sealed some leaking duct joints in the crawl space with mastic. Rooms that were always cold now get air."
- Ronald W."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.




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