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 Newcastle
Air duct cleaning in Newcastle, WA typically runs $450 – $850 for a full residential system, with most jobs completed in a single visit. Our crews serve Newcastle from our Seattle office, carrying Rotobrush rotary systems and Nikro negative-air machines up the I-405 corridor to reach hillside neighborhoods from Coal Creek to Lake Boren. We know the area’s homes: the 1960s split-levels with original galvanized steel, the 1990s subdivisions with flex duct snaking through vaulted ceilings over garages, and the persistent damp that settles into ductwork on Cougar Mountain’s western slope. Call us at (361) 326-5060 for a free estimate with a written price before any work starts.
Why Hollis Air Duct Cleaning Is Newcastle’s Preferred Air Duct Cleaning Company
We’ve been doing this since 2004 as part of the Garrison Partners family, and our Newcastle customers return because we show them what we found. Background-checked, uniformed technicians arrive inside the quoted window. The price is written down before we touch anything. Every job carries our 365-Day Done Right Promise: if the work fails within a year, we come back and make it right at no charge, including a free second visit.
Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues. When you schedule Air Duct Cleaning with Hollis, you know who is walking into your home before they arrive.
We coordinate dispatch from our Seattle office, but our crews live and work in the Eastside corridor. They know that Newcastle’s Lake Borden and Newport Woods subdivisions have different duct configurations than the older homes tucked along Coal Creek Parkway. That local familiarity means faster diagnosis and less time spent figuring out your system.
Ductwork Cleaning in Newcastle
Ductwork Cleaning in Newcastle is rarely a simple vacuum job, especially in the Coal Creek-area homes built during the 1960s and 1970s. These houses often still run original galvanized steel supply and return ducts that corrode internally and shed debris differently than modern flex duct. A clean here is usually a sealing-and-repair project. We price the full scope in writing before we start.
A typical residential Ductwork Cleaning in Newcastle runs $450 – $750 for a single-zone system, $650 – $850 for multi-zone homes with complex runs. Commercial systems start around $900 and scale with square footage and access difficulty.
Rotary Brush Agitation
Our Rotobrush system sends a rotating brush through each supply and return line, loosening debris that has adhered to duct walls over decades. In Newcastle’s older galvanized systems, this agitation is critical: corrosion scale and rust particles don’t move with suction alone. We follow with negative-air extraction so nothing resetstles in your home.
Negative-Air HEPA Extraction
We seal the system and pull continuous negative pressure using Nikro equipment, exhausting through HEPA filtration. This matters in Newcastle’s tight hillside homes where a standard shop vac would blow fine particulate back into living spaces. The process captures particles down to 0.3 microns.
Air Duct Inspection in Newcastle
Air Duct Inspection in Newcastle should always include video, especially given the area’s complex duct layouts and older housing stock. We run a camera from the air handler through each trunk and branch, documenting corrosion, disconnections, crushed flex, and debris accumulation. An inspection typically costs $150 – $250 when performed as a standalone service, or it is bundled into full cleaning at no additional charge.
On a 1972 split-level off Coal Creek Parkway, our tech pulled a camera inspection through the main supply trunk and found the original galvanized run corroded and disconnected at a collar above the bonus room, dumping conditioned air into the joist bay. We cut in a new sealed transition, re-suspended the flex branch runs to damp vibration from settling, and ran negative pressure with HEPA filtration and agitation tools from the air handler to the registers – airflow at the far bedroom came back to spec the same visit.
Multi-Zone System Mapping
Newcastle’s 1980s – 2000s subdivisions often have three or four zones with dampers, long flex runs through vaulted ceiling chases, and takeoffs over garages that settle independently from the main structure. Our inspection maps every branch so we know exactly where airflow is being lost before we quote any repair.
Post-Clean Verification
After cleaning and sealing, we re-run the camera and take static pressure readings at the air handler and key registers. You see the before and after. No guesswork about whether the job worked.
Trusted Brands We Service in Newcastle
We carry filtration and sealing products from Honeywell, Aprilaire, and Abatement Technologies on every Newcastle job. These are the same brands commercial crews use, not hardware-store substitutes. If your system needs a new media filter housing, a UV light retrofit, or duct sealing with mastic and mesh reinforcement, we stock the parts and install them during the same visit. Fast turnaround matters when you’re already scheduling around work and family in Newcastle’s hillside neighborhoods.
Common Air Duct Cleaning Problems We See in Newcastle Homes
- Corroded galvanized trunks in Coal Creek-area homes. The original steel ducts from the 1960s – 70s rust from the inside out, shedding flakes that clog registers and strain blower motors. A vacuum-only cleaning misses the corrosion; we cut in sealed transitions where needed.
- Crushed or disconnected flex in vaulted ceiling chases. Newcastle’s 1990s and 2000s subdivisions often run flex duct through tight spaces over garages and bonus rooms. Settling, vibration, and occasional rodent activity collapse these runs. Camera inspection finds them; reconnection and proper support fixes them.
- Pine needle and cedar debris after fall windstorms. The forest surrounding Newcastle’s neighborhoods fills exterior HVAC intakes with organic matter. This debris works deep into ductwork, restricting airflow and loading blower motors. Immediate cleaning prevents costly motor replacement.
- Mold and dust mite accumulation from Cougar Mountain dampness. Newcastle’s persistent moisture and temperature inversions create conditions inside ductwork that foster biological growth. We treat affected runs with EPA-registered products and recommend filtration upgrades to prevent recurrence.
Pricing for Air Duct Cleaning in Newcastle, WA
Most Newcastle homeowners pay between $450 and $850 for complete residential air duct cleaning, depending on system size, access difficulty, and whether we find disconnected or corroded ductwork that needs repair during the visit. A single-zone home with straightforward basement access sits at the lower end. A multi-zone hillside home with crawlspace runs, vaulted ceiling chases, and corroded galvanized trunks requiring sealing and re-support lands at the higher end.
We do not quote per-vent pricing. We do not bait with a low coupon and add charges at the door. One flat price per system, agreed in writing before we start. Commercial systems and large residential properties with four or more zones may exceed this range; we price those after inspection. Every estimate is free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Newcastle
Hollis technicians regularly travel from our Seattle office to serve Air Duct Cleaning in Newcastle and surrounding communities. We also work in Seattle, Spokane, Tacoma, and Vancouver. Each location operates independently under The Garrison Standard, with the same written pricing, background-checked crews, and 365-Day Done Right Promise.
Serving Newcastle, WA - Our Local Coverage Area
We’re based in the Newcastle 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 Newcastle
The original galvanized steel ducts from the 1960s and 1970s corrode internally and disconnect at collars, especially where runs pass through settling crawlspaces. Cleaning alone leaves these leaks active, so conditioned air dumps into joist bays and wall cavities. We seal with mastic and mesh reinforcement, re-suspend flex branches, and verify airflow at each register. Call (361) 326-5060 for a free inspection.
The western slope sits over coal-era mining tunnels and unstable glacial soils that shift with seasonal moisture changes. This settling vibrates and distorts duct runs, particularly unsupported flex branches. We re-support with vibration-dampening hangers and inspect for stress cracks at transitions. Homes on steeper lots near Lake Boren see this more than flatter areas.
Yes. Summer temperature inversions pull fine particulate from wildfire plumes into the Puget Sound basin, and your HVAC system draws that air through exterior intakes. The particles are small enough to pass standard filters and accumulate in ductwork. Cleaning removes this residue; upgrading to MERV 13 or better filtration with Honeywell or Aprilaire media helps block future intrusion.
Crushed flex runs, disconnected takeoffs, and debris accumulation at low points where long horizontal runs sag. These homes were built with multiple zones and complex routing through tight chases. Without camera inspection, homeowners often never know that 30% of their airflow is lost above the garage. We map, repair, and verify every branch.
The surrounding evergreen forest sheds pine needles and cedar debris that clog exterior HVAC intakes and work deep into ductwork. This organic load restricts airflow, strains blower motors, and can create musty odors as it decomposes. Cleaning immediately after major wind events prevents equipment damage and restores proper airflow. Call (361) 326-5060 to schedule post-storm service.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Newcastle and the greater Seattle area since 2004.




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