Air Duct Cleaning Cost - One Flat Price, Before-and-After Photos

Every visit starts with

Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents

Worth knowing

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.

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Before & after – our own jobs

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How Much Does Air Duct Cleaning Cost in Leesburg?

Air Duct Cleaning in Leesburg, VA typically costs between $300 and $650 for a single-family home, with most jobs landing around $400 to $500 when the system is in reasonable condition. Older homes in neighborhoods like Lansdowne or Sycolin Road corridor often run toward the higher end of that range due to longer duct runs and more complex return configurations. At CleanRun, every price is written before work starts – no “we’ll let you know when we’re done.”

Air Duct Cleaning Cost Breakdown (2026)

Most Leesburg homeowners are quoted somewhere in the $300-$650 window, but that number moves based on what the camera actually finds inside the system. Here is how the line items typically stack up:

The single biggest variable is system size. A 1,400-square-foot townhouse in the Village at Leesburg typically has 8 to 12 supply vents and a single air handler – that is a straightforward job. A 3,800-square-foot colonial off Battlefield Parkway with a dual-zone system and finished basement can have 28 or more duct runs, two air handlers, and a return network that takes considerably longer to access and photograph. Those two homes will not carry the same price, and any company quoting them the same flat rate over the phone is not quoting them accurately.

What makes CleanRun different from the $79-coupon operations that show up in Leesburg search results is the written price before any panel comes off, and the photo record when the crew leaves. The inside of every duct run is photographed before and after using a Rotobrush inspection camera, so you can see what was found and confirm it was cleared – not just take someone’s word for it. That practice has been standard on every job since 2013.

What Affects Air Duct Cleaning Pricing in Leesburg

• System size and vent count: This is the primary driver. Each additional supply vent, return box, or branch line adds time and labor. Leesburg’s newer construction in areas like Potomac Station and River Creek tends to have larger floor plans with more complex duct layouts than older in-town properties, so don’t assume square footage alone tells the story.
• Debris load and build-up: A system that has never been cleaned accumulates more than dust – the camera often shows a layer of construction drywall dust in homes built between 2005 and 2015 that was never flushed after the build. In those cases, the negative-pressure extraction (the process of creating a controlled vacuum inside the duct system to pull debris toward a collection point, rather than just dislodging it into the room) takes significantly longer. Jobs with heavy build-up take more time and sometimes require a second pass on the trunk line.
• Duct material and configuration: Flex duct – the corrugated tubing common in many Leesburg townhomes and attached garages – holds debris in its ridges differently than rigid sheet-metal ductwork. A Rotobrush cleaning on a flex system requires slower rotation to avoid damaging the inner liner, which adds time. Hard duct with sheet metal can typically be brushed at higher speed.
• Accessibility of air handlers and plenums: A plenum (the main distribution box that connects the air handler to the duct branches) located in a crawl space, a low attic above a finished third floor, or a utility room with limited clearance costs more to access and document. Several homes in the Lees Corner Road area have air handlers in attic spaces that require extension ladders and careful maneuvering just to reach the first branch point.
• Age of the home and duct system: Homes built before 1990 in older Leesburg neighborhoods sometimes have ductwork installed without modern sealing standards. Those systems can have disconnected joints, gaps where duct tape (not mastic sealant) has dried and failed, and debris pockets that are only visible with a camera. Cleaning those systems sometimes surfaces a repair conversation that changes the scope of the job – which is another reason the written price and photo record matter.
• Add-on services during the same visit: Booking dryer vent cleaning or a sanitizing treatment at the same time as duct cleaning is always less expensive than scheduling separate visits. The crew is already on site, equipment is already running, and the mobilization cost is shared. In Leesburg’s market as of 2026, adding dryer vent cleaning to a duct cleaning visit typically adds $99 to $130 rather than the $149 it would cost as a standalone job.

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The $79 Coupon Problem – and Why It Affects Leesburg Homeowners Specifically

Leesburg shows up repeatedly in bait-and-switch complaints filed with consumer protection bodies in Loudoun County. The pattern is consistent: a company advertises a flat $79 or $99 “whole-house” duct cleaning, arrives, and then adds line items for each return vent, each supply vent, the main trunk, a “sanitizing fee,” and often a vague “contamination surcharge” once the technician is already inside. A homeowner in the Lansdowne on the Potomac neighborhood reported a written final invoice of $680 after a $79 door hanger quote – with no before photos and a shop-vac as the primary equipment.

CleanRun’s position is straightforward: the written price is the price, delivered before any work starts on every job, under Haven Standard Clause 1. That is not a marketing phrase – it is the operating rule. If the scope changes because the camera finds something unexpected (disconnected duct runs, active moisture, visible mold growth), you see the photo before we discuss a revised price. The 365-Day Done Right Promise backs every job in writing: if something is not right, CleanRun makes it right, no manager approval required.

How to Save on Air Duct Cleaning in Leesburg

The most reliable way to spend less on Air Duct Cleaning Near Me in Leesburg, VA is to get a written, itemized quote before you agree to anything – then compare it line by line against a competitor’s written quote. A Free Second Opinion on any written estimate is available from CleanRun at no cost. Bring the other company’s written number; CleanRun will put its own number next to it in writing. That comparison has resolved a lot of confusion for Leesburg homeowners who received wildly different verbal estimates from different companies.

A few other approaches that reliably reduce costs:

• Bundle services on a single visit. Combining Air Duct Cleaning in Leesburg with dryer vent cleaning or a sanitizing treatment during the same appointment saves the mobilization cost and typically reduces the combined total by $50 to $100 compared to booking separately.
• Clean on a maintenance schedule, not a crisis schedule. A system cleaned every three to five years in a home without pets or recent renovation rarely needs the extended extraction time that a neglected system requires. The per-cleaning cost is lower because the debris load is manageable. A system that has not been touched in 12 years takes longer, costs more, and sometimes surfaces repair needs that would not have developed on a regular schedule.
• Avoid the post-renovation window. In Leesburg’s active renovation market – particularly in the older neighborhoods around King Street and Market Station – homeowners who book duct cleaning immediately after a kitchen or bathroom renovation get hit with a maximum-debris job. Drywall dust, joint compound particles, and insulation fibers settle into duct runs during construction. If you can, have the contractor seal registers during the work, or expect a heavier clean afterward.
• Get a free estimate before scheduling. CleanRun provides written estimates before any work begins – that is how every job starts. Call (571) 487-7204 and a live person will take the details of your home and system, then put a price in writing. You will know the number before a technician arrives.
• Ask what equipment is being used. A company using professional-grade equipment – Rotobrush for brushing and inspection, Nikro or Abatement Technologies for negative-pressure extraction – is doing a different job than one using a consumer shop-vac and compressed air. The price difference is usually modest; the results difference is documented in the before-and-after photos.

What Is Actually Included in a CleanRun Duct Cleaning Job

Because written pricing and documented results are the whole point, here is exactly what a standard CleanRun job in Leesburg includes:

• Pre-job inspection using a Rotobrush camera with documentation of conditions inside every accessible duct run
• Negative-pressure extraction applied to the full duct system, creating a controlled vacuum that draws debris toward a HEPA-filtered collection unit rather than dislodging it back into the living space
• Rotary brush agitation on every supply and return run using Rotobrush equipment – brush size matched to the duct diameter
• Main trunk line and plenum cleaning on both the supply side and return side
• Post-cleaning camera pass on every run with photos that show the cleared duct interior
• Documented Photo Record delivered to the customer as part of the standard job record – not an upsell, not a premium add-on
• Written scope of work and written price before work starts, under Haven Standard Clause 1
• 365-Day Done Right Promise in writing, included on every job
• Background-checked, uniformed technician identified by name before arrival, under Haven Standard Clause 3: Verified Crews

Leesburg-Specific Duct Conditions Worth Knowing About

Leesburg’s housing stock spans a wide range – from 1970s split-levels in the older town sections near Market Street to large new-construction colonials in Lansdowne and the Potomac Crossing area. That range creates some patterns we see consistently in Leesburg work that are worth understanding before you book.

Homes built in the 1980s and early 1990s around Leesburg’s historic district often have original sheet-metal ductwork that runs through unconditioned spaces – crawl spaces, unfinished basement ceilings, and exterior wall cavities. Those runs accumulate significantly more particulate matter than systems in conditioned mechanical rooms, and they are also more prone to joint separation over time. When the camera goes into a 35-year-old system in that part of Leesburg, we regularly find debris build-up at the first and second elbows that reflects decades of uncleaned air handler output. That is not a scare tactic – it is what the photo record shows, and it is why the cleaning time on those systems is longer.

Homes in Lansdowne on the Potomac and the Potomac Station communities built between 2000 and 2010 commonly have dual-zone HVAC systems with two air handlers – one for the main level and one for the upper floor. Both systems need to be cleaned as part of a Full System Cleaning, both plenums need to be accessed, and both duct networks need to be photographed. A company quoting a single-system price for a two-system home is not quoting the actual job.

Townhomes in the Village at Leesburg and the Compass Creek area are frequently served by a single air handler with a short, efficient duct run – which is why duct cleaning on those properties is usually at the lower end of the price range. The trade-off is that many of those systems rely on flex duct throughout, which holds debris differently and is cleaned at a slower brush speed to protect the inner liner.

Finally, Leesburg’s location in Loudoun County means the area sees real humidity variation – hot, humid summers with extended periods above 70% relative humidity followed by dry winters when the heat runs hard. That cycling creates conditions where any moisture intrusion in a duct system (a condensation line backed up, a supply vent too close to an exterior wall, a return drawing from a damp basement) can progress to mold growth faster than in more stable climates. The camera record on entry is the only reliable way to know whether moisture is affecting the duct interior before the cleaning crew starts.

How Often Should Leesburg Homes Have Ducts Cleaned?

The EPA’s general guidance is every three to five years under normal conditions – but “normal” has meaningful exceptions in Leesburg specifically. A home with one or more pets, a recent renovation, a new baby, or anyone with asthma or significant dust allergies is not a normal-condition home for duct cleaning purposes. In those situations, a three-year cycle is more appropriate than five.

Homes that went through construction – full kitchen remodels, additions, finished basements – should have ducts cleaned after the project, not on the standard schedule. The volume of drywall dust and insulation fibers that settles into duct runs during a major renovation is enough to change the debris baseline of the whole system.

For Leesburg homes that were vacant or had reduced HVAC use during an extended period – a property sitting between sales, a second home used seasonally, a rental between tenants – a cleaning before the system runs continuously again is worth scheduling. Stagnant air in ducts with ambient humidity produces a different kind of build-up than normal continuous-use systems.

FAQs – Air Duct Cleaning Cost in Leesburg

How much does air duct cleaning cost in Leesburg, VA in 2026?

Air duct cleaning in Leesburg costs between $300 and $650 for most single-family homes, with the average job landing around $400 to $500. Townhomes in the Village at Leesburg or Compass Creek typically fall in the $300-$380 range due to smaller systems; larger colonials in Lansdowne or Battlefield Parkway neighborhoods with dual-zone HVAC can reach $650 to $900 or more for Commercial Duct Cleaning-scale systems. Every CleanRun quote is written before work starts – call (571) 487-7204 and we’ll put a number in writing for your specific home.

Is $79 or $99 air duct cleaning legitimate?

A $79 flat-rate duct cleaning is almost never the final price. The standard bait-and-switch adds per-vent fees, return duct charges, trunk-line surcharges, and “contamination fees” after the technician is inside your home. In Leesburg, this is a documented pattern – the starting number is used to get a foot in the door, and the actual invoice is typically three to eight times higher. A legitimate written price for a Leesburg single-family home starts at $300 and goes up from there based on real system size. If a company won’t give you a written price before arriving, that tells you something. Call (571) 487-7204 for a written estimate from CleanRun before any technician comes out.

Does air duct cleaning actually make a difference?

It does when it is done correctly – and “correctly” is specific: negative-pressure extraction (vacuum applied at the air handler while a rotary brush works through every duct run), not a shop-vac and compressed air at the register covers. The before-and-after camera record is the only way to confirm the difference. CleanRun photographs every duct run before and after using Rotobrush inspection equipment – customers receive that photo record as part of the standard job, not as an optional extra. You can see what was there and what is gone.

Can you clean air ducts the same day in Leesburg?

Yes. CleanRun answers calls 24/7 with a live person, and same-day scheduling is available depending on the day’s availability. A written price is provided before the crew arrives – you won’t get to the end of the job and then find out what it costs. Call (571) 487-7204 to check current same-day availability and get a written estimate for your Leesburg home.

Is it cheaper to repair or replace old ductwork in Leesburg?

For most Leesburg homes, repair and sealing is significantly less expensive than replacement and is the right call unless the duct system is structurally compromised – active collapse, severely corroded sheet metal, or flex duct that has degraded past the point of cleaning. Duct sealing with mastic or UL-181-rated tape typically runs $3 to $8 per linear foot, and a partial repair on a specific failing section is usually in the $200 to $500 range for a typical Leesburg home. Full duct replacement is a different order of magnitude – $2,000 to $6,000 or more depending on system size and accessibility. If you have a written scope from another company recommending full replacement, CleanRun offers a Free Second Opinion on that estimate at no cost. Call (571) 487-7204.

What happens if I’m not satisfied with the cleaning?

Every CleanRun job is backed by the 365-Day Done Right Promise: if the work is not right, we make it right, in writing, with no manager-approval process. That is not a customer-service policy subject to interpretation – it is a written commitment delivered on every job. The before-and-after photo record is also your documentation that the work was done as scoped. If the post-cleaning photos do not show a clear duct interior, the job is not finished.

Key Takeaways

• Air duct cleaning in Leesburg, VA costs $300 to $650 for most homes in 2026, with the average around $400 to $500
• Dual-zone systems, older homes with unconditioned duct runs, and heavy build-up from renovation work all push costs toward the higher end
• $79 flat-rate coupons are consistently a starting number, not a final price – get the written total before agreeing to anything
• The Documented Photo Record (before and after every duct run) is the only way to verify that cleaning actually happened and actually worked
• Bundling dryer vent cleaning or sanitizing treatment on the same visit saves $50-$100 compared to separate appointments
• Every CleanRun job comes with a written price before work starts and a 365-Day Done Right Promise in writing when the crew leaves
• A Free Second Opinion on any written estimate is available at no cost – call (571) 487-7204

Get a Written Price for Your Leesburg Home

If you’re trying to figure out what air duct cleaning should actually cost for your specific home in Leesburg, the fastest way to get a real number is to call (571) 487-7204. A live person answers – not a form submission that goes into a queue. Tomas Reyes and the CleanRun team have been putting written prices in front of homeowners before starting work since 2013, and that’s not changing. You’ll have a written estimate for your system before a technician arrives, and a documented photo record of every duct run when the crew leaves.

If you’ve already gotten a written quote from another company and want a second opinion on whether it’s accurate for the Leesburg market, bring it. CleanRun will put its own number next to it in writing – no charge for that comparison.

For more about what the full service includes, visit our home page or see the complete overview of what we do on every visit.

Pricing reflects the Leesburg market as of 2026. CleanRun Air Duct Cleaning Leesburg offers free estimates – call (571) 487-7204.

Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Leesburg, VA since 2013.