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.
Air Duct Cleaning in Ashburn, VA
HVAC cleaning in Ashburn typically runs $400-$850 for a whole system, while air quality and sanitizing work ranges from $150-$600 depending on scope. We’re CleanRun, and we’ve documented the inside of ductwork in thousands of Ashburn homes since 2013 - every job starts with a written price and ends with before-and-after photos of every run. Call (571) 526-0015 for a free estimate.
Why Ashburn Homes Are Different
Ashburn is almost entirely a product of the 1995-2015 planned-community building boom. Communities like Broadlands, Brambleton, Ashburn Farm, and One Loudoun mean a massive, uniform cohort of large tract homes is now hitting the 20-to-25-year mark simultaneously. That’s the age at which construction debris, accumulated dust, and original flex ductwork installed during rapid build-out most urgently need a first professional cleaning.
This concentrated generational wave of first-time duct cleaning need is unique to Ashburn’s development history and does not apply to neighboring Leesburg or Sterling, which have more varied housing vintages. Northern Virginia’s humid summers - dew points regularly hitting the low-to-mid 70s°F from July through August - create condensation risk inside flex ducts routed through hot attic spaces, accelerating mold and microbial growth. Heavy spring pollen from the extensive oak and mixed hardwood plantings throughout Loudoun County’s master-planned communities adds significant seasonal particulate load to systems that run almost year-round.
In Ashburn’s large planned subdivisions, flex duct was installed in long, often poorly supported runs through unconditioned attic spaces during rapid tract construction. After 15-20 years, technicians routinely find collapsed or kinked sections that act as dust traps and, when combined with summer humidity, show moisture staining or microbial growth invisible to the homeowner without a camera. This pattern is so consistent across Broadlands and Brambleton that experienced local techs often quote it as a near-certainty before even opening a register.
Our Main Ashburn Services
These are the three services Ashburn homeowners call about most. Each has its own detailed page with full pricing and scope.
Air Duct Cleaning in Ashburn
We clean the full supply and return network with negative-pressure extraction - a vacuum system that pulls debris out while agitation tools loosen buildup from duct walls. In Ashburn’s 20-year-old flex duct systems, we regularly find construction debris still lodged at elbows and collapsed sections in attics that trap dust for years. Every run is photographed before and after, and the written price is set before any work begins. Air Duct Cleaning in Ashburn

Dryer Vent Cleaning in Ashburn
Lint accumulation in dryer vents is a leading cause of house fires, and Ashburn’s larger homes often have long vent runs through multiple stories or roof terminations that complicate cleaning. We clear the full line from appliance to termination, test airflow with a manometer, and document the before-and-after condition. Dryer Vent Cleaning in Ashburn

Duct Repair & Sealing in Ashburn
Ashburn’s original flex duct is now old enough to show seam separations, crushed runs from storage activity in attics, and failed tape seals. We repair or replace damaged sections and seal leaks with mastic, then verify with a pressure test. All repair scope and pricing is written before work starts. Duct Repair & Sealing in Ashburn

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.
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AfterHVAC Cleaning in Ashburn

Ashburn’s 1995-2015 housing stock was built with multi-zone forced-air systems featuring extensive flex duct runs through unconditioned attics, and those systems have now accumulated 15-25 years of dust, pet dander, and uncleared construction particulate. HVAC Cleaning addresses the components that move and condition air - not just the ducts - and in Ashburn’s climate, the evaporator coil and blower assembly are particularly prone to microbial growth from summer humidity cycling through attic-plenum temperature differentials.
Evaporator Coil Cleaning
Signs you need it
Ice buildup on refrigerant lines, weak airflow from registers, or musty odors when the AC first cycles on.
What it costs in Ashburn
Evaporator coil cleaning in Ashburn typically ranges from $250-$450.
How we do it
We access the coil through the plenum - the main air distribution box - apply foaming cleaner, rinse with low-pressure water, and photograph the fin surface before and after.
Blower Cleaning
Signs you need it
Vibration noise from the air handler, uneven heating or cooling across zones, or dust puffing from registers at startup.
What it costs in Ashburn
Blower assembly cleaning in Ashburn typically ranges from $200-$350.
How we do it
We remove the blower motor and wheel, clean blades and housing with compressed air and solvent, balance the assembly, and document runout with a photo.
What HVAC Cleaning Costs in Ashburn
| Item | Typical range in Ashburn |
|---|---|
| Evaporator coil cleaning | $250-$450 |
| Blower assembly cleaning | $200-$350 |
| Full HVAC system cleaning (coil + blower + air handler) | $400-$850 |
How do I know my HVAC components are actually dirty?
We show you. Every CleanRun HVAC cleaning includes a Documented Photo Record of the coil, blower, and air handler interior before any work begins - you’ll see the debris buildup yourself before deciding to proceed, and the after photos are delivered as part of your job record.
Can HVAC cleaning fix uneven temperatures between rooms?
Sometimes. Restricted coils or imbalanced blowers reduce airflow to distant duct runs, which is common in Ashburn’s long attic flex layouts. If cleaning doesn’t resolve it, we’ll note duct repair needs in writing with photos. Call (571) 526-0015 for a free estimate.
Air Quality & Sanitizing in Ashburn

Ashburn’s humid summers and 20-year-old flex duct systems create conditions where microbial growth thrives in hidden attic runs - we regularly find moisture staining and mold at kinked sections in Broadlands and Brambleton homes. Air Quality & Sanitizing treats biological contamination and installs preventive measures, with every treatment photographed and the written scope delivered before work starts.
Mold Treatment
Signs you need it
Musty odors when the system cycles, visible dark staining around ceiling registers, or allergy symptoms that worsen at home.
What it costs in Ashburn
Mold treatment in Ashburn typically ranges from $300-$600 depending on affected duct length and accessibility.
How we do it
We apply EPA-registered antimicrobial through the duct network using a fogging system, treat the plenum and accessible trunk lines, and verify with post-treatment photos.
UV Light Installation
Signs you need it
Recurring microbial growth after cleaning, chronic musty odors, or family members with mold-sensitive respiratory conditions.
What it costs in Ashburn
UV light installation in Ashburn typically ranges from $400-$800 including the lamp and electrical connection.
How we do it
We mount a UV-C lamp in the supply plenum near the coil, wire to the air handler’s 24V circuit, and show you the installed position in your photo record.
What Air Quality & Sanitizing Costs in Ashburn
| Item | Typical range in Ashburn |
|---|---|
| Mold treatment (duct system) | $300-$600 |
| UV light installation | $400-$800 |
| Bacteria sanitizing (whole system) | $150-$350 |
Is mold in ducts common in Ashburn?
Yes, particularly in homes built 1995-2010 with flex duct through unconditioned attics - summer humidity condenses at kinked or poorly insulated sections, and we find active growth in roughly half the Ashburn systems we inspect that have never been treated. A camera inspection confirms it before any treatment is proposed.
Will UV lights eliminate all mold spores?
No - UV-C lamps inhibit growth on the coil and in the plenum where they’re installed, but they don’t scrub spores from moving air. We recommend UV as part of a maintenance plan, not a standalone fix, and we write the expected scope clearly before installation. Call (571) 526-0015 for a free estimate.
Brands We Service in Ashburn
We carry parts and service equipment from Honeywell, Aprilaire, and Guardsman, with Rotobrush and Nikro cleaning systems on every truck. Most common filter and media replacements are stocked for same-visit completion. See our brands for the full roster.
Pricing for Air Duct Cleaning in Ashburn, VA

| Service | Typical range in Ashburn |
|---|---|
| Whole-system air duct cleaning | $350-$650 |
| Dryer vent cleaning | $120-$250 |
| Evaporator coil cleaning | $250-$450 |
| Blower assembly cleaning | $200-$350 |
| Full HVAC system cleaning | $400-$850 |
| Duct repair & sealing (per run) | $150-$400 |
| Mold treatment | $300-$600 |
| UV light installation | $400-$800 |
| Bacteria sanitizing | $150-$350 |
| Odor removal treatment | $200-$400 |
Prices increase with system size, attic accessibility difficulty, and contamination severity - a 5-zone home in Brambleton with collapsed flex runs takes longer than a compact townhouse. Every price is written and agreed before work starts, per Haven Standard Clause 1.
Neighborhoods We Serve in Ashburn
We schedule Ashburn appointments with routing optimized across Loudoun County, typically offering next-day or two-day availability. Crews are dispatched from our Washington, DC coordination office and carry Ashburn-specific parts and equipment profiles.
- Broadlands
- Brambleton
- Ashburn Farm
- One Loudoun
- Ashburn Village
Service Area - Cities Near Ashburn

CleanRun crews work throughout Loudoun and Fairfax counties from our metro coordination office. We regularly schedule alongside Ashburn appointments in Sterling, VA, Herndon, VA, Reston, VA, and Centreville, VA - same equipment, same written pricing, same photo documentation standard.
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 About Air Duct Cleaning in Ashburn

No permit is required for standard cleaning or sealing in Ashburn, though extensive duct replacement that modifies the HVAC footprint may need Loudoun County review. We handle any permit determination as part of our written scope - if it’s needed, we note it; if not, we proceed without delay.
We typically offer next-day or two-day availability for Ashburn appointments, with routing optimized across Loudoun County. All calls are answered by a live person, 24/7, and you’ll receive your technician’s name and photo before arrival per Haven Standard Clause 3.
Yes - we’re familiar with access and parking requirements in master-planned communities like Broadlands and Brambleton, and we carry proof of insurance and background-check documentation that most Ashburn HOAs require. We provide these on request with your written estimate.
Ready to see inside your ducts? Call (571) 526-0015 for a free estimate. We’ll deliver a written price before any work starts, document every run with before-and-after photos, and back the job with our 365-Day Done Right Promise.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Ashburn Customers Say
"The dryer vent was almost completely blocked with lint. They showed me the photograph and I understood immediately why the dryer had been running twice."
- Lucia M."My allergies genuinely improved. They also told me the ducts did not need sealing, which I had been quoted for elsewhere."
- Petra K."Thorough job on the ducts and the dryer vent. Left the house clean and the paperwork was clear."
- Rafael I.




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