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 Port Orchard
Air duct cleaning in Port Orchard typically runs $350 – $650 for a full residential system and $800 – $2,400 for commercial jobs, with most homes completed in a single visit. Our crews serve Port Orchard from our Seattle office, dispatching background-checked, uniformed techs with Rotobrush rotary systems and Nikro negative-air machines to homes from South Kitsap to Sinclair Inlet. We know the local housing stock, the marine humidity that drives mildew inside ducts, and the difference between a genuine source-removal clean and a fogging upsell that leaves the problem untouched. Call (361) 326-5060 for a free written estimate before any work starts.
Why Hollis Air Duct Cleaning Is Port Orchard’s Preferred Air Duct Cleaning Company
We’ve been part of the Garrison Partners family since 2004, and our Air Duct Cleaning team has built a reputation in Port Orchard by showing up inside the window, pricing in writing, and leaving the site clean. Roy Castellanos leads our operation, and The Garrison Standard he enforces means no estimate balloons once the technician is inside your home.
Port Orchard homeowners call us back because we answer the phone live, 24 hours a day, 7 days a week. No voicemail loops. No callback queues. When a musty odor hits after the first warm spring day, you get a person who can schedule you, not a recording.
Our technicians arrive uniformed and background-checked. You know who’s walking into your home before they arrive. That’s The Garrison Code, and it’s how we operate on every job, whether it’s a 1970s tract home off Sedgwick Road or a new build overlooking Sinclair Inlet.
Every job carries our 365-Day Done Right Promise in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. No negotiation. No runaround.
Residential Air Duct Cleaning in Port Orchard
Residential Air Duct Cleaning in Port Orchard means source removal of dust, debris, and microbial growth from your entire forced-air system, not just vacuuming the registers. A typical home in Port Orchard runs $350 – $650 for a full system clean, depending on duct length, accessibility, and whether the air handler and blower motor need attention. Most South Kitsap homes with original gray flex duct fall in the $400 – $550 range; newer Sinclair Inlet builds with tighter duct runs and heat pumps often run $500 – $650 because the cleaning includes the more complex air handler assembly.
Supply and Return Duct Cleaning
We clean both sides of the system. Supply ducts push conditioned air into your rooms; return ducts pull air back to the air handler. In Port Orchard’s humid climate, returns often harbor the worst mildew because they draw moist air through crawlspaces and wall cavities. Our Rotobrush rotary brush system agitates the interior walls while Nikro negative-air machines maintain suction, capturing debris at the source rather than redistributing it through your home.
Video Inspection and Air Handler Service
We cut in camera access points to show you the interior condition before and after. On older Port Orchard homes, we frequently find condensation staining at low points in flex duct runs. On newer heat-pump systems, we inspect the air handler cabinet and blower motor for microbial growth, the moisture source that keeps musty odors returning even after ducts look clean.
Commercial Air Duct Cleaning in Port Orchard
Commercial Air Duct Cleaning in Port Orchard covers office buildings, retail spaces, medical clinics, and multi-family properties from downtown to the Bremerton National Airport corridor. Commercial jobs typically range from $800 for small retail suites to $2,400 for larger multi-zone systems, priced by the number of air handlers and total duct linear footage. We schedule around your hours to minimize disruption, and every commercial job receives the same written price guarantee and 365-Day Done Right Promise as our residential work.
Multi-Zone and VAV Systems
Port Orchard’s newer commercial builds near Highway 16 often use variable air volume (VAV) systems with multiple zones and reheat coils. These systems collect debris at damper locations and reheat boxes, restricting airflow and forcing equipment to run longer. We clean each zone independently, verify damper operation, and document before-and-after conditions for your maintenance records.
Kitchen Exhaust and Make-Up Air
Restaurants and food service operations in Port Orchard face grease accumulation in exhaust ducts and make-up air units, a fire hazard and airflow restriction. We coordinate hood cleaning with duct cleaning where needed, using Abatement Technologies HEPA containment to protect dining areas during service.
Trusted Brands We Service in Port Orchard
We clean and maintain systems using equipment from Rotobrush, Nikro, and Abatement Technologies, and we install and service filtration products from Honeywell, Aprilaire, and Guardsman. For Port Orchard homeowners, this means we stock the filters, media, and replacement parts your system actually uses, not generic substitutes. A Guardsman UV light installation or Aprilaire media upgrade ordered during your cleaning typically ships to our Seattle office within 24 hours and installs on the return visit. No waiting two weeks for a part that doesn’t quite fit.
Common Air Duct Cleaning Problems We See in Port Orchard Homes
- Musty odors from mildew in original flex duct. The 1970s-90s South Kitsap tract homes that make up much of Port Orchard’s housing stock still run gray flex duct in crawlspaces and attics. That duct absorbs moisture from our humid marine air, and the inner liner becomes a growth surface for mildew. Fogging doesn’t remove it; source removal with agitation and negative pressure does.
- Condensation staining at duct low points after wet winters. We were called to a 1978 South Kitsap tract home off Sedgwick Road last May where the homeowner described a musty smell that got worse on the first warm day; our techs cut a camera inspection into the original gray flex duct in the crawlspace and found visible mildew on the inner liner and condensation staining at the low points. Using a Rotobrush and agitation tools under negative pressure with HEPA filtration, we performed source removal on the supply and return ducts, cleaned the air handler cabinet and blower motor, and the musty odor was gone at the registers when we buttoned the system back up.
- Leaky retrofit ductwork spreading debris during cleaning. Older downtown and Annapolis-area homes often have ductwork added after original construction, with undersized returns and joints that leak. Crews who skip negative pressure and HEPA filtration dislodge debris that escapes through those leaks and settles in living spaces. We seal accessible joints before agitation and maintain continuous negative pressure throughout.
- Missed air handler maintenance on newer heat-pump builds. The fast-growing Sinclair Inlet waterfront developments use tighter ductwork and heat pumps, but technicians who only clean ducts miss the condensation and microbial growth in the air handler and blower motor. That’s the moisture source. Clean ducts with a dirty air handler means the musty odor returns within weeks in Port Orchard’s humid climate.
Pricing for Air Duct Cleaning in Port Orchard, WA
Here’s what air duct cleaning costs in Port Orchard’s market:
| Service | Typical Range |
|---|---|
| Residential full system cleaning (most homes) | $350 – $650 |
| South Kitsap tract home with original flex duct | $400 – $550 |
| Newer Sinclair Inlet heat-pump build | $500 – $650 |
| Commercial small retail / office | $800 – $1,400 |
| Commercial multi-zone / larger system | $1,600 – $2,400 |
| Video inspection add-on | $75 – $125 |
| Air handler / blower motor cleaning | $150 – $250 |
Your price is written down before any work starts, and it does not move at the door. What affects cost: total duct linear footage, number of registers and returns, accessibility (crawlspace vs. basement), condition of the air handler, and whether repairs or sealing are needed. We do not quote per-vent teaser prices that balloon once we’re inside. One flat price per system, agreed in writing, before we touch your equipment. Call (361) 326-5060 for a free estimate.
We Also Serve Cities Near Port Orchard
Our Air Duct Cleaning in Port Orchard crews also handle jobs in Manchester, Bremerton, Tracyton, and Bainbridge Island. Scheduling is coordinated from our Seattle office, with local technicians dispatched to each community. Same written pricing, same 365-Day Done Right Promise, same live-answer phone support.
Serving Port Orchard, WA - Our Local Coverage Area
We’re based in the Port Orchard 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 Port Orchard
Port Orchard sits in the Puget Sound rain shadow west of Seattle, where cool, damp winters and mild, humid summers keep indoor relative humidity high year-round. That moisture condenses inside duct runs, especially in crawlspaces and attics, creating the conditions for mildew and microbial growth rather than the dry dust accumulation seen east of the Cascades. Call (361) 326-5060 for a free inspection if you’re noticing musty odors at your registers.
No. A fogging spray coats the interior surfaces but leaves the biofilm and dust reservoir intact. In Port Orchard’s humid marine air, that mildew regrows within weeks and the odor returns. Source removal with mechanical agitation and negative-air extraction is the only method that removes the actual contamination. We do not sell fogging upsells as a substitute for proper cleaning.
Original gray flex duct can be cleaned effectively if the inner liner is intact and not brittle. We camera-inspect first. If the liner is degrading or the insulation is water-damaged, we’ll show you and discuss replacement. Most Port Orchard homes we see still have serviceable flex duct; the issue is contamination, not material failure. A written price for cleaning, and an honest assessment of whether replacement makes more sense.
Newer heat-pump systems have tighter ductwork and more complex air handler assemblies that trap condensation. We spend more time on the air handler, blower motor, and drain pan, and we verify that the system’s defrost cycle and drainage are functioning correctly. Older homes need more attention to leaky joints and undersized returns. The equipment differs; the standard doesn’t.
Spring, after the heating season ends and before cooling demand rises. That’s when we see the most musty-odor calls from Port Orchard homeowners, as the first warm day pushes humid air through ducts that have been collecting condensation all winter. Fall is also practical for homes with heavy heating use. We schedule year-round; call (361) 326-5060 to book your preferred window.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Port Orchard since 2004.




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