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 Ashburn
Air duct cleaning in Ashburn, VA typically runs $450-$850 for a full residential system, with most jobs completed in a single visit. CleanRun crews serve Ashburn from our Washington, DC dispatch office, and we’ve been documenting every duct run with before-and-after photos since 2013. Call (240) 255-4519 for a written price before any work starts.
Ashburn’s master-planned communities - Ashburn Village, Ashburn Farm, Broadlands, Brambleton - hold a specific problem most homeowners don’t discover until years after closing. The mid-1990s through late-2000s building boom here produced thousands of large-footprint colonials and transitional homes with multi-zone forced-air systems and extensive flex ductwork. Those homes are now 15-25 years old. That’s the exact window when construction debris left behind by tract builders has compounded with normal accumulation, and when flex duct starts sagging at joints. In Loudoun County’s humid summers, those conditions become a problem you can smell.
We don’t guess at what’s inside your plenum. Our Air Duct Cleaning team photographs every duct run before touching equipment, delivers a written scope with a fixed price, and documents the results. Haven Standard Clause 1: written price before any work starts. No exceptions.
Why CleanRun Air Duct Cleaning Rockville Is Ashburn’s Preferred Air Duct Cleaning Company
We’ve served Ashburn homeowners since our founding in 2013, with 52,000+ documented jobs across the region. Our reputation here is built on what we can show, not what we claim. Every Ashburn customer receives a photo record of every duct run, a written scope of work, and a 365-Day Done Right Promise backed in writing - not a policy subject to manager approval.
Ashburn customers specifically mention the photo documentation in reviews. They expected a vacuum truck and a bill. Instead they received timestamped images of a 3-inch debris build-up at a first elbow, or mold staining inside a knee-wall flex run they didn’t know existed. That evidence-first approach is why our Air Duct Cleaning in Ashburn schedule fills through referral.
Dispatch and scheduling are coordinated from our Washington, DC office, with crews serving Ashburn locally. Response to Ashburn addresses typically falls within our standard Northern Virginia routing window. Calls are answered by a live person, 24/7, and technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews.
Our Free Second Opinion applies to any written estimate from a competitor serving Loudoun County. Bring us their number. We’ll put ours next to it, in writing, with line-item detail.
Our Air Duct Cleaning Services in Ashburn

Residential Duct Cleaning
Ashburn’s 3,000-5,000+ square foot colonials contain more linear feet of ductwork than typical Northern Virginia homes, with multi-zone complexity that multiplies the number of branch lines, trunk connections, and potential failure points. Our residential cleaning addresses the full system: supply ducts (the branches that push conditioned air to your rooms), return ducts (the larger channels that pull air back to the air handler), and the plenum - the central distribution box where debris concentrates. We use negative-pressure extraction with HEPA-filtered exhaust, so nothing we remove re-enters your Ashburn home.

Commercial Duct Cleaning
Ashburn’s commercial base along the Dulles corridor - medical offices, professional services, retail with overhead HVAC - faces the same pollen and humidity load as residential systems, often with longer runtime hours. We scale our equipment to commercial plenum sizes and schedule around business hours. Documentation standards remain identical: photo record, written scope, fixed price before work begins.

Supply Duct Cleaning
Supply branches in Ashburn’s tract-built homes often show the heaviest construction debris load. Drywall dust, wood particulate, and insulation fragments left by builders settle at low points and elbows. Our supply cleaning runs agitation tools - brushes, whips, compressed-air nozzles - through each branch while negative pressure pulls loosened material to a collection unit. In Brambleton and Broadlands homes, we pay particular attention to the short, tightly-bent flex runs feeding upstairs bedrooms from knee-wall air handlers. Those runs are almost never cleaned by standard services, and they collect the densest debris in the system.

Return Duct Cleaning
Return ducts pull unfiltered air from your rooms back to the air handler, meaning every particle your filter missed - Ashburn’s spring pollen, dust-mite debris, pet dander - passes through before reaching the blower. In Ashburn’s large-footprint homes, return trunks are long and often routed through humid crawl spaces or attic plenums where condensation accelerates accumulation. We clean the full return path, including the return grille, filter rack, and blower cabinet.

Full System Cleaning
This is our recommended service for Ashburn’s 1995-2010 housing stock. Full System Cleaning covers supply branches, return branches, trunk lines, plenums, and both air handlers in multi-zone configurations. It includes the knee-wall units hidden in finished attic spaces - the ones Broadlands and Brambleton homeowners typically don’t know exist. We include a Video Inspection of every branch, with footage delivered as part of your documented photo record. For homes with the construction debris profile common here, this is the only service that addresses what the builder left behind.

Video Inspection
Our camera system enters the ductwork before cleaning to establish baseline conditions and after cleaning to verify source removal. In Ashburn homes, this often reveals construction debris the builder’s “duct cleaning” subcontractor missed - drywall dust caked across trunk lines, insulation fragments blocking flex branches, or the first stages of mold staining inside humid knee-wall runs. The footage becomes part of your permanent job record.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Ashburn
CleanRun crews operate professional-grade equipment from trade-recognized manufacturers: Rotobrush agitation systems, Nikro and Abatement Technologies negative-pressure collection units, and Honeywell, Aprilaire, and Guardsman air quality components. We stock common Honeywell media filters and Aprilaire cabinet assemblies for Ashburn customers, so filter upgrades or component replacements don’t require a second visit. Equipment is maintained to manufacturer specification, and customers are welcome to verify make and model before work begins.
Common Air Duct Cleaning Problems We See in Ashburn Homes

- Construction debris circulating years after closing. Ashburn’s tract builders routinely commissioned duct cleaning that removed visible register dust but left drywall particulate and wood fragments inside trunk lines and flex branches. We’ve photographed 15-year-old construction debris still lodged at first elbows in Ashburn Farm and Ashburn Village homes.
- Mold in knee-wall air handlers after humid summers. Broadlands and Brambleton homes commonly hide secondary air handlers in finished attic knee-wall spaces with short, sharply bent flex runs. Those runs see heavy condensation during Loudoun County’s humid July-August periods, and they’re almost never inspected because homeowners don’t know the unit exists. The first sign is often a musty smell from upstairs registers in September.
- Sagging flex-duct joints reducing airflow. Ashburn’s 15-25-year-old flex duct, routed through hot attic plenums and humid crawl spaces, has begun separating at connection points. The gap pulls unconditioned attic air into the system and blows conditioned air into the plenum - both documented with our camera before any repair recommendation.
- Spring pollen overwhelming standard filtration. Ashburn’s master-planned landscaping - tens of thousands of ornamental trees across community common areas - produces pollen loads that standard 1-inch fiberglass filters cannot capture. That particulate enters return registers, embeds in duct lining, and recirculates until source-removed.
Pricing for Air Duct Cleaning in Ashburn, VA
A typical Full System Cleaning in Ashburn runs $650-$850 for homes in the 3,000-4,500 square foot range, with larger or more complex multi-zone systems reaching $950-$1,200. Residential duct cleaning for a single-zone system starts around $450. Commercial quotes depend on plenum access and runtime scheduling, with most Ashburn professional offices falling between $800-$1,500.
What moves the number: system size (more zones, more branches), accessibility (crawl-space routing versus basement plenum), and documented debris load. Construction-heavy systems require longer agitation time. We establish the scope with a camera inspection, deliver a written price, and that’s the price. Haven Standard Clause 1. No per-vent add-ons, no trip charges, no equipment fees surfaced after arrival.
Every estimate is free. Call (240) 255-4519.
We Also Serve Cities Near Ashburn

CleanRun crews work across Loudoun and Fairfax counties, with regular routes to Leesburg, Sterling, Herndon, and Reston. The same documentation standards, fixed pricing, and equipment roster apply. If you’re outside Ashburn city limits but within the broader Loudoun corridor, call for routing availability.
Serving Ashburn, VA - Our Local Coverage Area
We’re based in the Ashburn 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 - Air Duct Cleaning in Ashburn

Yes, and possibly more urgently than a 1980s home with metal ductwork. Ashburn’s 2005-era tract builders used extensive flex duct with joints sealed by tape that degrades, and “duct cleaning” at closing often meant wiping registers, not source-removing construction debris from trunk lines. We regularly find drywall dust and insulation fragments still lodged at first elbows in 15-20-year-old Ashburn systems. Call (240) 255-4519 for a camera inspection and written estimate.
A knee-wall air handler is a secondary HVAC unit tucked into the short, sloped wall space beneath a finished attic roofline - common in two-story Ashburn homes where a single air handler cannot push sufficient airflow to upstairs bedrooms. In Broadlands and Brambleton, these units connect through short, tightly-bent flex-duct runs that are the dirtiest ducts in the house and the first place mold blooms after a humid Loudoun County summer. Most homeowners don’t know the unit exists until we show them the camera footage. Full System Cleaning includes these runs; standard register-level cleaning misses them entirely.
We seal the system at the air handler and establish negative pressure before any agitation begins - meaning air flows into the ductwork, not out of it. A HEPA filtration unit scrubs all exhaust air. Registers are sealed during branch isolation, and we run pre-cleaning and post-cleaning particle counts in the living space. The documented photo record shows the seal points and the particle readings. Haven Standard Clause 4: Containment Protocol.
Yes. Ashburn’s ornamental tree canopy - planted across master-planned common areas - produces pollen loads that exceed standard 1-inch filter capacity every April-May. Even MERV 11-13 media filters load quickly and allow bypass. That pollen embeds in duct lining, feeds dust-mite populations, and recirculates when the blower cycles. Source removal is the only way to address accumulation behind the filter. We document pollen staining versus construction debris with our camera, so you know what you’re looking at.
Rotobrush brush-and-vacuum systems for the main trunk and larger branches, with Nikro and Abatement Technologies negative-pressure collection units providing the primary suction. For the short, tight flex runs from knee-wall air handlers, we use smaller-diameter agitation tools with controlled torque to avoid damaging the flex lining. All exhaust passes through HEPA filtration before leaving the machine. Equipment makes and models are available for verification before work begins.
Contact CleanRun for Air Duct Cleaning in Ashburn
Call (240) 255-4519 to schedule a free estimate. A live person answers, 24/7. We’ll send a background-checked, uniformed technician identified by name, establish a written scope with a fixed price before any work starts, and deliver a Documented Photo Record of every duct run when the job is complete. The 365-Day Done Right Promise applies to every Ashburn home we serve.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Ashburn since 2013.




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