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 Kent
Most homeowners in Kent pay between $380 and $650 for a complete residential air duct cleaning, with jobs typically scheduled within a few days and completed in a single visit. We dispatch crews to Kent from our Seattle office, so we’re familiar with the East Hill plateau neighborhoods, the valley-floor subdivisions near the Green River, and the rural properties out toward Auburn-Black Diamond Road. Call (469) 972-3151 and you’ll reach a live person, any time of day, who can give you a written estimate before a single vent is touched.
Kent’s position on the Green River Valley floor creates a unique set of problems for duct systems that we see nowhere else in our service area. The persistent marine moisture, the aging 1980s flex duct in East Hill tract homes, and the wood-heat culture in rural pockets near the city limits all mean that a standard dust-and-debris cleaning often isn’t enough. Our Air Duct Cleaning team has learned to treat Kent calls as potential mold-remediation jobs until proven otherwise. That’s the difference between a company that drives through Kent and one that actually understands it.
Why Kestrel Air Duct Cleaning Is Kent’s Preferred Air Duct Cleaning Company
We’ve been serving Kent homeowners under the Kingswell Guarantee since 2004. The same four promises apply to every job here: a written price before work begins, a defined arrival window, a clean job site, and a written guarantee with a free return visit if anything fails within the guarantee period. No exceptions.
Our technicians are background-checked, uniformed, and trained on professional-grade equipment. We use Rotobrush rotary brush systems to physically agitate debris off duct walls, Nikro negative-pressure units to pull contaminants out of the system, and Abatement Technologies HEPA filtration to keep loosened particles from circulating through your living space during cleaning. These aren’t box-store shop vacs. They’re purpose-built tools that make the difference between a surface wipe and a true source removal.
Calls are answered by a live person 24/7. Not a voicemail queue. Not an automated system that makes you press buttons for ten minutes. A real conversation, any time of day, with someone who can schedule your Kent appointment, explain pricing, or dispatch a technician if you’ve got an urgent situation.
Our 365-Day Done Right Promise is documented in writing on every single job. If the work falls short within that year, we return and make it right at no charge. That’s not a courtesy we extend when we feel like it. It’s a binding commitment that comes with the invoice.
Commercial Air Duct Cleaning in Kent
Commercial Air Duct Cleaning in Kent covers office buildings, retail spaces, warehouses, and light industrial facilities from the valley floor up to the East Hill commercial corridors. These systems run harder and longer than residential units, often pulling in particulate from loading docks, manufacturing areas, and heavy traffic on routes like State Route 516 and Central Avenue. A typical commercial cleaning in Kent runs $800-$2,400 depending on system size and contamination level, with larger facilities or those requiring after-hours service at the higher end.
System Assessment and Access Planning
Commercial duct networks in Kent’s older business parks often have limited access panels installed during original construction. We map the system first, identify where to cut temporary access if needed, and contain the work area so your operations aren’t disrupted. The written price covers this planning time, not just the cleaning itself.
Negative-Air Extraction with HEPA Containment
We put the commercial system under controlled negative pressure using Nikro equipment, so dislodged debris moves in one direction only: out of your building, not into occupied spaces. Abatement Technologies HEPA filtration captures particles down to 0.3 microns. For Kent facilities near major roads or industrial zones, this containment step is what separates a real cleaning from a dust redistribution.
Air Duct Cleaning Services in Kent
Air Duct Cleaning Services in Kent address the specific failure modes this valley environment creates. The damp crawl spaces, the aging flex duct with sharp attic bends, the wood stoves that pull make-up air through every crack in the envelope, these all load debris and microbial growth into ductwork faster than in drier, newer markets nearby. A typical residential full-system cleaning in Kent runs $380-$650, with mold remediation adding $200-$450 when we find colonized sections that need more than agitation and extraction.
Supply and Return Duct Cleaning
Supply runs push conditioned air to your rooms. Returns pull it back. In Kent’s 1980s-era homes, both are often original flex duct that’s partially collapsed, disconnected at joints, or lined with degraded fiberglass holding moisture like a sponge. We clean both sides of the loop, inspect every accessible joint, and document what we find so you know whether cleaning is enough or whether sections need replacement.

Video Inspection and Documentation
Before we start and after we finish, we run a camera through the system. You see what we see: the packed debris, the mold growth, the collapsed section that was choking airflow to your bedroom. After cleaning, you see the difference. These images go on the invoice alongside the 365-Day Done Right Promise, so there’s no question about what was done.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Kent
We clean ductwork connected to every major HVAC brand installed in Kent homes over the past four decades, from original 1970s Carrier and Trane systems still running in East Hill ranches to newer Lennox and Rheem units in valley subdivisions. For homeowners who want to maintain clean air between professional cleanings, we stock and install Aprilaire media air cleaners, Guardsman UV germicidal lamps, and Honeywell electronic air cleaners. These aren’t afterthought add-ons. They’re integrated into your return ductwork where they can actually intercept particles before they reach your air handler. Parts are on our trucks, so most Kent installations happen same-visit, not two weeks later after a parts order comes in.
Common Air Duct Cleaning Problems We See in Kent Homes
- Mold colonization in damp crawl-space flex duct. Kent’s valley-floor humidity keeps unconditioned crawl spaces damp year-round. Original 1980s flex duct with fiberglass liner absorbs that moisture, and mold establishes itself even without a plumbing leak. We find this on East Hill calls so routinely that we bring remediation capability to every Kent job.
- Collapsed sections at sharp attic bends. The rapid tract-home construction on Kent’s East Hill routed flex duct with tight radius turns that kinked during installation. Thirty years of thermal cycling and condensation have left many of these sections partially or fully collapsed, choking airflow and creating debris traps that standard register vacuuming can’t reach.
- Heavy dust and pollen loading in rural properties. Homes on well water near Auburn-Black Diamond Road or out toward Maple Valley deal with unpaved road dust, agricultural pollen, and wood-heat combustion particulate that loads ductwork faster than in filtered suburban environments. These properties need shorter cleaning intervals and more thorough source removal.
- Disconnected joints in crawl spaces. The same damp conditions that grow mold also corrode mechanical fasteners and degrade duct tape used on original Kent installations. We regularly find supply runs blowing conditioned air into crawl spaces instead of living spaces, which homeowners discover only when their energy bills spike or a room stays cold.
Pricing for Air Duct Cleaning in Kent, WA
Most Kent homes fall in the $380-$650 range for a complete residential cleaning. Commercial systems start around $800 and run to $2,400 for larger facilities. Mold remediation, when we find colonized sections in damp East Hill ductwork, adds $200-$450. Dryer vent cleaning, which we often pair with duct cleaning in Kent homes, runs $120-$220.
What moves you within these ranges? System size matters: a 1,200-square-foot ranch with eight vents sits at the lower end; a 3,500-square-foot two-story with twenty-plus vents and multiple returns trends higher. Accessibility counts too: crawl spaces with standing water or collapsed access hatches take more time. And contamination level: a routine dust-and-debris cleaning costs less than a job requiring HEPA-contained mold remediation with section replacement.
We give you one flat price per system, agreed in writing, before any work begins. No per-vent pricing that balloons at the door. No “additional contamination fee” discovered halfway through. The price on the paper is the price on the invoice. Call (469) 972-3151 for a free estimate.
We Also Serve Cities Near Kent
Our crews work throughout the south Sound, including Kent, Renton, Auburn, Federal Way, and Maple Valley. Each community gets the same Kingswell Guarantee, but the work looks different depending on local conditions. Renton’s hillside elevation means drier crawl spaces and less mold. Auburn’s mix of older and newer stock changes the duct profiles we encounter. Federal Way’s density creates different access challenges. We adjust our approach to what each city’s housing stock and climate actually present, rather than running the same playbook everywhere.
Serving Kent, WA - Our Local Coverage Area
We’re based in the Kent 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 Kent
Every two to three years for wood-heated homes in Kent, versus three to five years for homes on standard forced-air heat. Wood combustion produces fine particulate that loads supply and return ducts faster than gas or electric systems, and rural Kent properties on unpaved roads deal with additional dust infiltration that accelerates buildup. If you’re burning wood regularly through the damp valley winters, schedule an inspection at the two-year mark. Call (469) 972-3151 and we’ll look at your specific setup.
Kent’s position on the Green River Valley floor means marine moisture lingers in unconditioned spaces long after it dissipates in higher cities like Renton or Covington. Your crawl space doesn’t need a plumbing leak to stay damp; the ambient humidity alone is enough to saturate aging fiberglass duct liner and support mold growth. The original 1980s flex duct in East Hill homes was never designed for four decades of this environment. Cleaning alone won’t solve it if sections are colonized; we often need to remove and replace saturated duct while remediating the remaining system. That’s why we treat every Kent call as a potential mold job until we verify otherwise.
Yes. We clean ductwork in main residences, accessory dwelling units, and detached shops with independent HVAC systems throughout the rural Kent area. These properties often have longer drive times and unique access considerations, which we account for in the written estimate, not as a surprise surcharge. Wood-heated shops with dust-laden make-up air are a particular specialty; the same negative-air extraction and HEPA containment we use in residences protects your equipment and inventory during cleaning. Call (469) 972-3151 to discuss your specific buildings.
We arrive in the window we gave you, in uniform, with background-checked technicians who follow The Kingswell Way: say the price, show up when promised, leave the place cleaner, put the guarantee in writing, come back if it fails. We video-inspect the system first, then put it under negative pressure with Abatement Technologies HEPA filtration. Rotobrush tools agitate debris off duct walls while Nikro extraction pulls it out. We inspect every accessible joint, document our findings with before-and-after images, and give you the written 365-Day Done Right Promise before we leave. Most Kent residential jobs take three to five hours.
Moderately, if your system was genuinely restricted. Collapsed flex duct, packed debris, or disconnected joints in Kent’s aging East Hill housing stock can reduce airflow enough that your air handler works harder to maintain temperature. Cleaning and reconnecting those sections restores design airflow, which typically shows up as more even heating and cooling first, with modest energy savings second. Don’t expect a 30% drop; do expect your bedroom to finally reach the thermostat setpoint. For an honest assessment of whether your specific system would benefit, call (469) 972-3151 for a free inspection.
Written by Dale Whitmore, Owner at Kestrel Air Duct Cleaning, serving Kent under the Kingswell Guarantee since 2004.




Before
After
Before
After
Before
After