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 Chantilly
Air duct cleaning in Chantilly, VA typically costs $380-$780 for a full residential system, with most jobs scheduled within 3-5 business days and completed in a single visit. We’re CleanRun Duct Repair & Cleaning, and our crews serve Chantilly from our Washington, DC dispatch office, carrying Rotobrush and Nikro equipment to homes from the Westfields communities to the subdivisions along Stringfellow Road. Call (571) 520-6317 for a written estimate before any work starts.
Chantilly isn’t a generic suburb. The homes here are large, the duct systems are complex, and the problems we find are specific to this stretch of western Fairfax County. We’ve been documenting them since 2013.
Why CleanRun Air Duct Cleaning Herndon Is Chantilly’s Preferred Air Duct Cleaning Company
Chantilly homeowners research before they call. We built our company for exactly that customer.
Our reputation here rests on documentation, not claims. Every job receives a written price before a single panel comes off, per Haven Standard Clause 1. Every duct run is photographed before and after, so you see the difference between actual negative-pressure extraction and vacuum noise. The 365-Day Done Right Promise is backed in writing on every job, not buried in a policy manual. And if you’ve already received a competitor’s estimate, we offer a Free Second Opinion at no cost, with our number written next to theirs.
Our technicians are background-checked, uniformed, and identified by name before arrival, operating under Haven Standard Clause 3: Verified Crews. All calls are answered by a live person. No exceptions.
We’ve served 52,000+ homes since 2013. Every one with a written price first, a documented photo record at completion, and accountability that outlasts the truck in your driveway.
Our Air Duct Cleaning Services in Chantilly

Residential Duct Cleaning
Chantilly’s 1988-2005 Dulles-corridor colonials were built by a handful of regional production builders, so entire subdivisions along Stringfellow Road share the same failing duct-board plenums and mylar flex joints at the same age. This is a neighborhood-wide pattern, not a one-house problem. Our residential cleans start with a full video inspection because we’ve learned that “cleaning” these systems often reveals delamination, crushed runs, or disconnected boots that need addressing first. A typical Chantilly residential job runs $380-$620 for a standard 3-zone colonial, with full-system work on 4,000+ sq ft homes reaching $680-$780.

Commercial Duct Cleaning
The relentless data-center construction throughout the Route 28/Route 50 corridor generates fine particulate that infiltrates nearby commercial HVAC systems as readily as residential ones. Office parks and retail spaces near Chantilly’s commercial core face accelerated debris buildup and filter loading that smaller suburban markets don’t match. Our commercial crews use Abatement Technologies negative-pressure equipment sized for larger plenum volumes, with photo documentation of every main trunk and branch. Commercial quotes are delivered in writing on-site after inspection, not estimated over the phone.

Supply Duct Cleaning
Supply ducts carry conditioned air to your registers, but in Chantilly’s aging production-builder homes, they also reveal where the system is failing. We regularly find supply boots disconnected from joist bays in attics, bleeding cooled air into the framing cavity instead of the bedroom below. Our supply cleaning includes full video inspection of each run, agitation with Rotobrush tools, and negative-pressure extraction. If the camera shows delamination or disconnection, we quote the repair in writing before proceeding.

Return Duct Cleaning
Return ducts pull air back to the handler, and in Chantilly’s high-pollen corridor for oak, cedar, and bluegrass, they load up fast. Western Fairfax County’s humidity keeps summer relative humidity above 65-75%, creating ideal conditions for mold and mildew colonization on deteriorating duct board inside return plenums. Return cleaning is where we most often find the delaminating fiberglass facing that turns a routine service call into a repair conversation. We photograph everything. You see what we see.

Full System Cleaning
This is our most common Chantilly request, and for good reason. A full system clean covers supply and return ductwork, the plenum (the central distribution box where air divides to each run), registers, and the air handler cabinet. Given the complexity of Chantilly’s multi-zone systems and the age of their components, partial cleaning often misses the real problem. Full system work runs $520-$780 in this market, depending on zone count and accessibility.

Video Inspection
Every significant job starts here. We run a camera through your ductwork before quoting, so the price reflects what we actually find, not what we guess from square footage. In Chantilly, this step is non-negotiable. The camera shows delamination, crushed flex, mold growth, and disconnection that a simple register peek would miss. The inspection itself is $120-$180 if done as a standalone service, but we waive it when you proceed with the recommended work.

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 Chantilly
Our equipment roster includes Rotobrush agitation systems, Nikro and Abatement Technologies negative-pressure extractors, and Honeywell and Aprilaire air quality components. These are trade-recognized brands you can look up independently, not proprietary labels designed to obscure what’s actually being used. We stock Guardsman sanitizing products for Chantilly customers whose video inspections show microbial growth requiring treatment. Parts and consumables are carried on every truck, so most jobs don’t require a return visit.
Common Air Duct Cleaning Problems We See in Chantilly Homes

- Delaminating duct board in 1990s colonials. The inner fiberglass facing separates from the board after two-plus decades of humid cycling. We find this regularly in Westfields-area homes and along Stringfellow Road. Cleaning alone won’t fix it; encapsulation or liner replacement is required to prevent fibers from circulating.
- Crushed or disconnected flex runs in attics and basements. Production-builder mylar flex joints get kinked by storage, pests, or simple gravity over time. Conditioned air dumps into joist bays instead of reaching registers. Our camera catches this; our crews reconnect and seal before the job is quoted as complete.
- Mold and mildew colonization from short-cycling systems. Oversized multi-zone HVAC units in Chantilly’s large homes cool too fast, shut off, and leave ducts damp in 65-75% summer humidity. The result is active microbial growth inside plenums and returns, visible on camera as dark staining or fuzzy colonies.
- Accelerated debris loading from construction particulate. Data-center and commercial development along Route 28 and Route 50 generates fine dust that infiltrates residential returns. Chantilly systems load up faster than comparable suburbs. Filters clog sooner. Duct interiors cake with material that isn’t just household dust.
Pricing for Air Duct Cleaning in Chantilly, VA
We publish ranges because Haven Standard Clause 1 requires a written price before work starts, every time. Here is what air duct cleaning costs in the Chantilly market:
| Service | Typical Range in Chantilly |
|---|---|
| Video Inspection (standalone) | $120-$180 |
| Residential Duct Cleaning (2-3 zone colonial) | $380-$620 |
| Full System Cleaning (4+ zone, 4,000+ sq ft) | $680-$780 |
| Commercial Duct Cleaning (per system) | $850-$1,400 |
| Duct Repair/Sealing (per run, when found) | $180-$340 |
| Encapsulation/Liner Replacement (delaminated board) | $420-$680 per plenum |
What moves a job within these ranges: zone count, attic versus basement accessibility, the degree of contamination visible on camera, and whether repair work is needed before cleaning can proceed safely. We do not quote per-vent pricing. One flat price per system, agreed in writing, before any work begins. Call (571) 520-6317 for an exact quote; estimates are free.
We Also Serve Cities Near Chantilly

Our crews work throughout western Fairfax and eastern Loudoun counties, including Chantilly, Centreville, Fairfax, Reston, and Herndon. Dispatch and scheduling are coordinated from our Washington, DC office. If you’re searching for Air Duct Cleaning in any of these communities, the same Haven Standard applies: written price first, photo record at completion, 365-day accountability.
Serving Chantilly, VA - Our Local Coverage Area
We’re based in the Chantilly 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 Chantilly

Chantilly homes average 3,000-5,000 square feet with three-to-four zone HVAC systems, extensive attic and basement flex-duct runs, and aging components that require repair before cleaning can proceed safely. The sheer square footage and complexity make these jobs significantly more labor-intensive than DC’s smaller, simpler rowhouse systems or the newer, intact ductwork in Loudoun’s recent construction. Call (571) 520-6317 for an exact quote; estimates are free.
Delaminating duct board occurs when the inner fiberglass facing separates from the rigid board beneath it, typically after 20-35 years of humid cycling. Westfields-area homes built in the late 1990s and early 2000s are hitting this window now, and western Fairfax County’s 65-75% summer humidity accelerates the failure. Once delaminated, the board sheds fibers into airflow and cannot be safely cleaned without encapsulation or replacement. Our camera inspection identifies this before any work is quoted.
Yes. The ongoing commercial and data-center development throughout the Route 28/Route 50 corridor generates fine construction particulate that infiltrates nearby residential HVAC systems through outdoor air intakes and imperfect building envelopes. Chantilly’s high concentration of this development means local systems load up faster with non-household debris than comparable suburban markets. We document this material in our before photos; it looks different from typical household dust under camera light.
We clean both, and in Chantilly’s climate, the returns often need more attention. Supply ducts push conditioned air to your rooms; returns pull air back through the handler. Returns are where we most often find delaminating board, mold colonization, and the heaviest debris loading from pollen and construction particulate. A supply-only clean misses half the system and most of the problems. Full system cleaning is our standard recommendation for Chantilly homes.
The video inspection tells us, and you’ll see what we see. If the camera shows intact ductwork with normal debris accumulation, we proceed with cleaning. If it shows delaminated board, crushed flex, disconnected boots, or active mold, we quote the repair in writing before any cleaning begins. Haven Standard Clause 1 requires this sequence; we don’t clean damaged ducts because that would aerosolize fiberglass fibers or microbial contamination. Call (571) 520-6317 to schedule an inspection; estimates are free.
Ready to see what’s actually inside your ductwork? Call CleanRun Duct Repair & Cleaning at (571) 520-6317 for a free written estimate. We’ll show you the camera footage, name the exact price before any work starts, and leave you with a documented photo record of every run we touched. The 365-Day Done Right Promise applies to every job we do in Chantilly.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Chantilly since 2013.




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