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 Mukilteo
Air duct cleaning in Mukilteo typically runs $350 – $650 for a full residential system, and most jobs are scheduled within a week of your call. Our dispatch team coordinates from our Seattle office, with crews serving Mukilteo directly – no out-of-state call center, no third-party scheduling. If you live near the ferry terminal, Harbour Pointe, or up in the Olympus Terrace area, we know the route and we know what your ducts are up against.
Call (361) 326-5060 to book a free estimate. We’ll show up in the window we promised, put the full price in writing before touching your system, and back the work with our 365-Day Done Right Promise.
Why Hollis Air Duct Cleaning Is Mukilteo’s Preferred Air Duct Cleaning Company
We’ve been cleaning ducts in Snohomish County since 2004, and Mukilteo is one of our most frequent stops. The Garrison Standard means something specific here: arrive inside the quoted window, price it in writing, complete the job by the book, and leave the site clean. No exceptions.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. Phones are answered by a live person 24 hours a day, 7 days a week – no voicemail loops, no callback queues, no waiting until Monday for a human voice.
We’ve built our reputation in Mukilteo on one thing that matters to homeowners who’ve been burned before: the price doesn’t move at the door. What we write down is what you pay. If the work fails within a year, we return and make it right at no charge, including a free second visit. That’s the 365-Day Done Right Promise, and it’s in writing on every job.
Air Duct Cleaning Services in Mukilteo
Air Duct Cleaning Services in Mukilteo start with understanding what your system is actually dealing with. In this town, that means moisture. The marine layer rolls in thick off Puget Sound, and ducts in waterfront homes, mid-century ranches, and hillside builds with crawl-space runs all absorb that damp. We use Rotobrush rotary brush systems and Nikro negative-air machines with HEPA filtration to remove the source – the actual debris, mold spores, and microbial growth – rather than masking it with a spray.
A typical residential Air Duct Cleaning Services job in Mukilteo runs $350 – $550 for a standard single-system home. Larger homes with multiple zones, extensive flexible ductwork, or severe contamination can reach $650. Commercial systems are priced by square footage and HVAC complexity.
Video Inspection Before We Touch Anything
We run a camera through your supply and return runs before we quote. In Mukilteo’s older homes – especially the 1950s-1970s ranches near the water – we often find galvanized ductwork with salt corrosion, pinhole leaks, or standing moisture in low spots. You see what we see. No guesswork, no bait-and-switch.
Full System Cleaning, Not Just the Vents You Can Reach
We clean the full airway: supply ducts, return ducts, trunk lines, branch runs, air handler, blower motor, and evaporator coil. The musty smell that hits on foggy mornings? It usually lives in the coil and the first few feet of each branch. Surface-wiping the vent covers won’t touch it.
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.
HVAC Duct Cleaning in Mukilteo
HVAC Duct Cleaning in Mukilteo is a moisture-control job disguised as a dust-removal job. The average 38 inches of annual rainfall and persistent marine humidity create conditions where mold and mildew colonize duct interiors year-round. Salt air from Puget Sound accelerates corrosion in metal components. Proximity to Paine Field and Boeing’s Everett facility adds fine particulate – aviation exhaust and industrial dust – that settles into ductwork and combines with dampness to form a breeding ground.
HVAC Duct Cleaning in Mukilteo typically costs $400 – $650 for residential systems with significant contamination or older ductwork. The price reflects the additional time needed for source removal in corroded or heavily soiled systems, plus HEPA containment to prevent cross-contamination during the job.
Negative-Air Method with HEPA Filtration
Our Nikro negative-air machines create suction throughout the duct system while Rotobrush agitation tools knock debris loose. HEPA filtration captures particles down to 0.3 microns. This matters in Mukilteo because the particulate load here includes salt crystals, mold spores, and fine industrial dust – none of which you want recirculated.
Duct Sealing for Moisture Control
After cleaning, we inspect for leaks that draw in crawl-space or attic air. In Mukilteo’s damp climate, unsealed return leaks pull in musty, humid air that recontaminates the system within months. We seal with mastic, not tape, at joints and connections. It’s a permanent fix, not a temporary patch.
Trusted Brands We Service in Mukilteo
We carry professional-grade equipment and filtration products from Rotobrush, Nikro, Honeywell, Aprilaire, and Guardsman. These are the same tools commercial crews use – rotary brush systems for agitation, negative-air machines for containment, and MERV-rated filtration to protect your system after we’re gone. For Mukilteo homeowners dealing with salt air and high humidity, we typically recommend MERV 11 filters as a baseline. They catch the fine particulate from Paine Field activity and marine aerosols without choking airflow in residential systems. We stock common sizes locally, so if your system needs a filter upgrade after cleaning, we handle it on the spot.
Common Air Duct Cleaning Problems We See in Mukilteo Homes
- Marine-layer mold in mid-century galvanized ducts. The 1950s-1970s ranches near Harbour Pointe and the waterfront often have original galvanized trunk lines that sweat through summer fog. Mildew stains the first few feet of every branch run, and the musty smell peaks on damp mornings.
- Salt corrosion in waterfront and ferry-terminal homes. Ducts on the Puget Sound side of Mukilteo draw in salt-laden air that corrodes metal components years earlier than in inland Snohomish County homes at the same age. Pinhole leaks in the duct wall reduce system pressure and pull in unconditioned crawl-space air.
- Standing moisture in flexible ductwork from the 1980s-2000s building boom. The tract houses east of I-5 often have original flexible duct with sagging low spots where condensation pools. Mold colonies form in the liner, and the homeowner smells it before they see it.
- Fine particulate buildup from Paine Field and Boeing activity. Aviation exhaust and industrial dust settle in ductwork across Mukilteo, combining with humidity to form a sticky, microbial-friendly film that standard vacuuming won’t remove.
Pricing for Air Duct Cleaning in Mukilteo, WA
Here’s what air duct cleaning actually costs in Mukilteo’s market:
| Service | Typical Range in Mukilteo |
|---|---|
| Standard residential full-system cleaning | $350 – $550 |
| Large home or multi-zone system | $500 – $650 |
| Heavy contamination / visible mold | $550 – $800 |
| Video inspection only | $150 – $250 (credited toward cleaning if hired) |
| Dryer vent cleaning (add-on) | $125 – $175 |
| Duct sealing (per system, post-cleaning) | $300 – $500 |
What moves the price: system size, duct material (galvanized takes longer than flexible), contamination level, accessibility (crawl-space work adds time), and whether we find corrosion or leaks that need addressing. We put the full price in writing before any work starts. One flat price per system. No per-vent pricing, no add-ons at the door, no fogging upsells.
Call (361) 326-5060 for a free estimate. We’ll inspect, quote, and let you decide – no pressure, no deposit required.
We Also Serve Cities Near Mukilteo
Our crews cover the full Snohomish County corridor, including Mukilteo, Mill Creek, Everett, Lynnwood, and Edmonds. Scheduling is coordinated from our Seattle office for efficient routing and on-time arrival. Whether you’re in Harbour Pointe or up toward Olympus Terrace, our Air Duct Cleaning team serves your neighborhood directly.
Serving Mukilteo, WA - Our Local Coverage Area
We’re based in the Mukilteo 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 Mukilteo
Salt-laden, damp air from Puget Sound corrodes duct components and feeds microbial growth years earlier than in drier inland locations. The marine layer sits heaviest on the waterfront side of town, and ducts that draw in this air – especially older galvanized runs with pinhole leaks – become mold-friendly environments within a single wet season. Call (361) 326-5060 if you smell mustiness on foggy mornings; we’ll run a camera and show you exactly what’s happening.
No. Fogging wets the existing growth and leaves it in place; in Mukilteo’s humid climate, it regrows within weeks. Genuine source removal – mechanical agitation with rotary brushes under negative pressure, followed by HEPA filtration – physically removes the contamination. We don’t sell fogging. We clean ducts. The 365-Day Done Right Promise covers our source-removal work; it wouldn’t cover a spray-and-pray method because it doesn’t work.
Aviation exhaust and industrial particulate from Paine Field and the Boeing plant add a fine dust load that combines with marine humidity to form a sticky film inside ductwork. Standard household dust is dry and flaky; this particulate is oily and adherent, requiring professional-grade agitation to remove. We see it in camera inspections across Mukilteo, not just in flight paths. MERV 11 filtration helps keep it from re-establishing after cleaning.
Yes. Salt air accelerates corrosion in galvanized steel and can degrade flexible duct liners over time. In waterfront Mukilteo homes, we’ve found pinhole leaks and rust-through in duct walls that inland homes of the same age don’t show. Corroded ducts lose pressure, pull in unconditioned air, and become entry points for crawl-space moisture. Camera inspection finds it before it becomes a full replacement job.
Ask four things: Do you use rotary brush agitation with negative-air containment, or just a vacuum and fogger? Will you show me camera footage of my ducts before quoting? Is the full price written down before work starts? What happens if the problem returns in six months? At Hollis, the answers are source removal, yes, yes, and our 365-Day Done Right Promise with a free return visit. Call (361) 326-5060 and we’ll walk through it.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Mukilteo since 2004.