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 Gig Harbor
Air duct cleaning in Gig Harbor typically runs $350 – $650 for a full residential system, with most jobs completed in a single visit. Our crews serve Gig Harbor from our Seattle dispatch office, and we schedule with arrival windows we actually keep. Call (361) 326-5060 for a written estimate before any work starts.
We’ve worked in Gig Harbor homes long enough to know the local pattern. The marine layer off Puget Sound keeps duct interiors damp, heat pumps run through long shoulder seasons without the drying blast of a gas furnace, and the 1980s – 2000s suburban stock in neighborhoods like Canterwood and Harbor Hill still has original flex duct that has never been opened. That combination means Gig Harbor duct cleaning is fundamentally a moisture and mildew job, not a dust removal job. A crew that treats it like inland Tacoma or Puyallup work will leave the real problem behind.
Why Hollis Air Duct Cleaning Is Gig Harbor’s Preferred Air Duct Cleaning Company
Hollis Air Duct Cleaning has been part of the Garrison Partners family since 2004. Our Air Duct Cleaning in Gig Harbor follows The Garrison Standard: written price before work starts, background-checked uniformed technicians, and a 365-Day Done Right Promise backed in writing on every job. If the work fails within a year, we return and make it right at no charge, including a free second visit.
Our phones are answered by a live person 24 hours a day, seven days a week. No voicemail loops, no callback queues. When you schedule, you get an arrival window and a technician who shows up inside it, in uniform, with equipment from Rotobrush, Nikro, and Abatement Technologies, not hardware-store gear. We carry Aprilaire filtration products and Guardsman supplies on our vans, so replacement filters and upgraded cabinets happen same-day when needed.
Roy Castellanos leads our operation, and every crew member is accountable to The Garrison Code: arrive inside the window, price in writing, complete the job by the book, leave the site clean. That discipline is why homeowners in Gig Harbor call us back and refer their neighbors.
Air Duct Repair in Gig Harbor
Air Duct Repair in Gig Harbor means fixing the physical failures that let moisture, unfiltered crawlspace air, or attic air into your system. We see separated flex duct at the plenum, rusted metal trunks in waterfront crawlspaces, and crushed return runs from decades of storage stacking in Harbor Hill attics. Typical repairs in Gig Harbor run $180 – $420 for a single run replacement or seal, and $550 – $1,200 for full trunk repair or custom metal fabrication.
Separated or Torn Flex Duct
The original flex runs in 1990s Gig Harbor homes have reached end of life. The inner liner cracks, the insulation gets wet from crawlspace vapor, and the tape fails. We cut out the damaged section, install new insulated flex with mechanical fasteners and mastic sealant, and test static pressure before we leave. A proper repair lasts decades; tape alone fails in a season.
Corroded Metal Trunks and Water Intrusion
Waterfront homes on pilings or with crawlspace intakes near the shoreline see salt air corrosion on galvanized metal trunks. We replace with coated metal or switch to insulated flex where code allows, and we seal the intake location so marine air stops entering the system. This is not cosmetic. Rust flakes travel straight to your heat pump coil.
Ductwork Cleaning in Gig Harbor
Ductwork Cleaning in Gig Harbor requires a different protocol than inland cities because the contamination is biological, not mineral. A typical full-system cleaning here runs $350 – $650 for residential, and $800 – $1,400 for commercial systems in local retail or medical spaces. We use negative-air machines from Nikro and rotary brush systems from Rotobrush, with HEPA filtration on the exhaust so nothing recirculates into your home.
Negative-Air Method with Agitation
We seal each vent, create suction at the trunk, and run mechanical brushes through every run. The negative pressure keeps dislodged material from escaping into your living space. In Gig Harbor’s humid ducts, this matters more than in dry climates because wet debris clings to flex duct walls and needs physical agitation, not just vacuum pull.
Camera Inspection Before and After
We show you the interior before we start and after we finish. In Gig Harbor, we often find mildew colonies on the return side that homeowners never suspected, especially in homes with crawlspace intakes near Canterwood or older waterfront properties. The camera does not lie, and it lets you verify the work was real.
Trusted Brands We Service in Gig Harbor
Our vans carry professional-grade equipment and parts from Rotobrush, Nikro, Abatement Technologies, and Aprilaire. We stock MERV 11 and MERV 13 filters, Aprilaire media cabinets, and Guardsman filtration products so Gig Harbor homeowners get same-day upgrades without waiting for a parts run to Seattle. If your system uses Honeywell electronic air cleaners or legacy Aprilaire humidifier pads, we have those on hand too. The goal is one visit, finished, with written documentation of what was done and what filter size to order next time.
Common Air Duct Cleaning Problems We See in Gig Harbor Homes
- Musty return-side trunks in crawlspace homes. The worst contamination we find in Gig Harbor is usually the return trunk pulling ground moisture and marine air directly from a dirt or vented crawlspace. Cleaning only the supply vents leaves this source untouched, so the smell returns within weeks.
- Biologically active dust on heat-pump coils and flex walls. Because Gig Harbor heat pumps run in mild mode for months without the drying cycle of a gas furnace, dust on duct interiors stays damp enough to support mold and mildew. A brush pass alone does not remove the moisture film; negative-air extraction with proper agitation does.
- Failed flex duct at plenum connections in 1980s – 2000s builds. Neighborhoods like Harbor Hill and Canterwood have thousands of homes with original flex that has never been inspected. The inner liner separates from the collar, the insulation gets wet, and the system pulls attic or crawlspace air past the filter.
- Fogging upsells that do not reach the problem. We have been behind other companies in Gig Harbor who sold a “sanitizing fog” as mold remediation. A fogger cannot penetrate the interstitial damp in original flex runs, and it gives false confidence while the actual moisture source continues. We do not sell fogs as remediation.
Pricing for Air Duct Cleaning in Gig Harbor, WA
Residential full-system duct cleaning in Gig Harbor runs $350 – $650, depending on system size, access difficulty, and whether we find damage requiring repair. Commercial systems start at $800 and range to $1,400 for larger retail or medical layouts. Dryer vent cleaning, often scheduled together, adds $120 – $180.
What moves the price: homes with crawlspace returns take longer to seal and extract; systems with extensive flex damage need repair before cleaning is worthwhile; and homes with multiple HVAC zones require additional setup time. We give one flat price per system, agreed in writing before work starts. No per-vent pricing, no add-ons at the door, no teaser coupon that balloons once the van is on your drive.
Every estimate is free. We inspect with a camera, explain what we see, and write the price down. You decide before we touch anything.
We Also Serve Cities Near Gig Harbor
Our crews work throughout the Gig Harbor area and nearby communities including Gig Harbor, Wauna, Vashon, Port Orchard, and University Place. Scheduling and dispatch are coordinated from our Seattle office, with local crews serving each area. The same written pricing, same 365-Day Done Right Promise, same uniformed technicians apply in every community we cover.
Serving Gig Harbor, WA - Our Local Coverage Area
We’re based in the Gig Harbor 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 Gig Harbor
The musty smell comes from mildew and mold growing on damp duct walls, usually on the return side or in crawlspace trunks, and a standard filter change does not reach those surfaces. In Gig Harbor’s humid marine climate, heat pumps run in mild mode for months without drying the system the way a furnace would, so biological growth stays active on flex duct interiors. Call (361) 326-5060 and we will camera-inspect to locate the source before quoting any work.
No. A fogger deposits chemical on surfaces it can reach, but it cannot penetrate the interstitial damp inside original 1980s – 2000s flex duct or eliminate the moisture source that causes Gig Harbor’s mildew problems. We have inspected ducts after fogging treatments and found active growth still present. We do not sell fogs as remediation because they give false confidence while the actual problem continues. Physical agitation, negative-air extraction, and fixing the moisture source are what work here.
Yes. Canterwood and Harbor Hill homes from the 1980s – 2000s typically have original flex duct in attics and crawlspaces with plenum separation and attic dust as the main issues. Older waterfront homes on pilings or with crawlspace intakes face salt air corrosion, ground moisture intrusion, and return trunks that pull marine air directly into the system. The inspection protocol and repair approach differ, and our crews know which Gig Harbor neighborhood patterns to look for.
Camera inspection is the only reliable method. We offer free estimates that include before-and-after camera documentation. If the interior shows only dry, inert dust, we will tell you cleaning is not urgent. If we find the damp, biologically active film typical of Gig Harbor’s humid duct systems, we will show you and explain why it matters. Call (361) 326-5060 to schedule a look.
Cleaning fixes the smell permanently only if the moisture source is also addressed. If your return trunk pulls from a wet crawlspace or a corroded intake, cleaning alone leaves that source active and the smell returns. Our protocol includes identifying and quoting any necessary repairs, not just running brushes through the vents. The 365-Day Done Right Promise covers our work for a full year if the repair fails.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Gig Harbor and the surrounding communities.




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