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 Shoreline
Most full-system air duct cleaning jobs in Shoreline run $450-$850 for a typical single-family home, and our crew can usually schedule within a week of your call. We dispatch from our Seattle office and serve Shoreline neighborhoods directly, so we’re familiar with the crawl-space foundations, shared vent stacks, and tight parking that define jobs here.
We’ve worked the length of Shoreline’s mid-century residential core, from Richmond Beach down through Ridgecrest and the blocks around the 185th and 148th light rail stations. That local knowledge matters when we’re planning truck placement on narrow North Shoreline alleys or coordinating access with a condo HOA. If you’re noticing musty airflow, uneven heating, or visible debris around your registers, call us at (469) 972-3151. We’ll give you a written price before any work begins, and we back every job with our 365-Day Done Right Promise.
Why Kestrel Air Duct Cleaning Is Shoreline’s Preferred Air Duct Cleaning Company
Shoreline homeowners call us back because we show up in the window we gave, say the price in writing before touching a vent, and leave the job site cleaner than we found it. That’s The Kingswell Way, and it’s how we’ve operated since 2004.
Our technicians are background-checked, uniformed, and trained on Rotobrush rotary brush systems, Nikro negative-pressure units, and Abatement Technologies HEPA filtration. These aren’t box-store shop vacs. The Rotobrush agitates debris at the duct wall so it can be extracted. The Nikro pulls that loosened material out under controlled negative pressure. The Abatement HEPA system keeps particles from re-entering your living space during cleaning. We explain each step as we go.
Calls are answered by a live person, 24/7. No voicemail queue. No automated system. When you reach out about Air Duct Cleaning, you’ll talk to someone who can schedule your visit and answer questions about what to expect.
Every job carries the Kingswell Guarantee: written price before work begins, defined arrival window, clean job site, and written guarantee with a free return visit if anything fails within the guarantee period. No exceptions. No doorstep revisions.
Residential Air Duct Cleaning in Shoreline
Residential Air Duct Cleaning in Shoreline means addressing a housing stock built almost entirely on post-WWII ranch and split-level homes from the late 1940s through the 1970s, most with original sheet-metal or early fiberglass flex ductwork routed through unventilated crawl-space foundations. In Puget Sound’s sustained maritime moisture, those crawl spaces routinely accumulate standing water and mold that migrates directly into the duct system. The combination of 50-70-year-old ductwork and chronically damp crawl spaces makes Shoreline’s residential duct cleaning needs distinct from newer suburbs to the north or the condo-heavy urban core to the south.
A typical residential cleaning in Shoreline runs $450-$750 for a full system on a standard ranch or split-level. Homes with extensive flex duct damage, rodent breaches, or collapsed sections requiring repair work can run higher. We always inspect with a camera first and give you the written price before any cleaning begins.
Supply and Return Duct Cleaning
Supply ducts push conditioned air into your rooms; return ducts pull it back to the air handler. In Shoreline’s older homes, both are vulnerable. Supply runs often sag from compromised hangers in damp crawl spaces. Return trunks collect decades of settled debris where they sit low to the ground. We clean both sides of the loop, not just the supplies, because a dirty return undoes the work on the supply side.
Full System Cleaning with Video Inspection
We start with a camera run so you see what we see. Collapsed flex, standing water, rodent activity, mold staining. Then we perform source removal under negative-air extraction with HEPA filtration, brushing the full length of accessible ductwork. You get before-and-after footage. The price we quote is the price you pay.
Commercial Air Duct Cleaning in Shoreline
Commercial Air Duct Cleaning in Shoreline covers the retail strips along Aurora Avenue North, medical offices near the hospital district, and the multi-family buildings concentrated near the light rail corridor. These systems are larger, often serve multiple tenants or units from a single air handler, and must meet stricter standards for occupant safety and fire code compliance.
Commercial pricing in Shoreline typically starts around $800 for smaller retail or office systems and scales with square footage, number of air handlers, and access complexity. Multi-family buildings with shared dryer vent stacks require additional coordination with property management and often need stack cleaning rather than individual unit brush-outs to meet NADCA standards.
NADCA-Compliant Multi-Family Work
Shoreline’s apartment and condo buildings, especially the denser developments near 185th and 148th, often share dryer vent stacks that pack lint past the reachable trap. A single-unit brush-out won’t clear the full stack and may violate fire safety standards. We assess the stack configuration, coordinate with building management, and clean to NADCA ACR standards with documented completion.
Minimizing Tenant Disruption
Commercial work means working around operating businesses and occupied units. We schedule during off-hours when possible, contain our work areas, and run HEPA filtration so neighboring spaces aren’t affected. The Kingswell Guarantee applies to commercial jobs too: written price, defined window, clean site, written promise.
Trusted Brands We Service in Shoreline
Our technicians arrive with parts and products from Honeywell, Aprilaire, and Abatement Technologies on the van. Honeywell and Aprilaire filtration systems can be integrated into existing ductwork to maintain cleaner air between service visits. Abatement Technologies HEPA filtration is deployed during every cleaning to protect your indoor air quality while we work. We don’t upsell equipment you don’t need, but if your 1960s ranch near Ridgecrest is running a basic fiberglass filter that hasn’t been upgraded in decades, we’ll show you what a properly sized media filter or electronic air cleaner would do for your system.
Common Air Duct Cleaning Problems We See in Shoreline Homes
- Collapsed flex duct in standing crawl-space water. We open access panels in Shoreline’s older neighborhoods to find early fiberglass flex runs that have lost their structural integrity after years of moisture exposure. The insulation jacket degrades, the wire helix rusts, and the duct collapses or tears. This turns a standard cleaning into a repair job at a rate higher than nearly any comparable suburb.
- Rodent breaches in degraded insulation. Damp crawl spaces attract nesting. Rodents tunnel through compromised flex duct jackets and build nests in the thermal envelope. We remove the contamination, seal the breach, and replace damaged sections so the system doesn’t recontaminate within months.
- Condensation on uninsulated sheet-metal trunks. Shoreline’s cool, wet maritime climate keeps crawl spaces damp from October through May. Uninsulated or poorly insulated metal ductwork sweats continuously, creating a mold-friendly environment inside the system. We find this more persistently here than in slightly drier inland markets like Kenmore or Bothell.
- Shared dryer vent stack blockages in multi-family buildings. Lint accumulates beyond the individual unit’s reach and packs the vertical stack. A single-unit cleaning won’t address it, and the fire risk increases as the blockage grows. We clean the full stack from roof or basement access points with rotary brush and negative-air extraction.
Pricing for Air Duct Cleaning in Shoreline, WA
Here’s what most Shoreline homeowners can expect:
| Service | Typical Range |
|---|---|
| Residential full-system cleaning (standard ranch/split-level) | $450 - $750 |
| Residential with duct repair/replacement (collapsed flex, rodent damage) | $750 - $1,400 |
| Commercial small retail/office system | $800 - $1,500 |
| Multi-family shared dryer vent stack cleaning | $600 - $1,200 |
| Camera inspection (standalone or bundled) | $150 - $250 |
What moves you within these ranges? System size, number of air handlers, access difficulty, and whether we find damage that needs repair before cleaning can be effective. We don’t quote per-vent pricing that balloons at the door. We inspect, we write the full price, and that’s what you pay. Estimates are free. Call (469) 972-3151 to schedule yours.
We Also Serve Cities Near Shoreline
Our crews work throughout the metro area. If you’re just outside city limits, we likely still cover you. We regularly dispatch to Shoreline as well as Seattle, Spokane, Tacoma, and Vancouver. Scheduling is coordinated from our Seattle office, and we route crews to minimize wait times across the service area.
Serving Shoreline, WA - Our Local Coverage Area
We’re based in the Shoreline 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 Shoreline
Shoreline’s post-WWII housing stock sits on unventilated crawl-space foundations in a cool, wet maritime climate that keeps those spaces damp eight months of the year. Original sheet-metal and early fiberglass flex ductwork absorbs that moisture, degrades, and grows mold at rates we don’t see in newer construction or drier inland lots. Most Shoreline homeowners with mid-century homes benefit from inspection every 3-5 years, sooner if they notice musty airflow or uneven heating. Call (469) 972-3151 and we’ll assess your specific system.
Yes, and shared stacks require a different approach than single-unit cleaning. We coordinate with your building management, assess the stack configuration from roof or basement access, and clean the full vertical run to NADCA standards. A brush-out of just your unit’s connection won’t clear packed lint above or below you and may leave fire code violations unaddressed. We document completion for your HOA or property manager.
We plan truck placement before we arrive. In dense North Shoreline blocks with restricted parking or narrow alley access, long hose runs can reduce negative pressure at the farthest supply and return ducts. Our techs scout the site, position the Nikro unit for shortest effective runs, and use auxiliary blowers when needed to maintain extraction power throughout the system. We solve access problems; we don’t shortcut the cleaning.
Standing water, collapsed flex runs, rodent breaches, and mold staining on duct walls. In one recent job off North 175th Street near the 185th light rail station, we found several inches of standing water in the crawl space, collapsed early fiberglass flex with rodent-breached insulation, and sheet-metal trunks sweating condensation directly into the damp air. The camera lets us show you exactly what’s there and quote repair work accurately before we begin cleaning.
Yes. NADCA ACR standards govern our commercial and multi-family work, including assessment, cleaning methodology, and post-job documentation. For Shoreline properties with shared systems or stack configurations, this matters for insurance compliance, fire safety inspections, and tenant health concerns. We provide written completion documentation on every job. Call (469) 972-3151 to discuss your building’s specific requirements.
Written by Dale Whitmore, Owner at Kestrel Air Duct Cleaning, serving Shoreline since 2004 under the Kingswell Guarantee.




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