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.
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Before
AfterFast, Reliable Air Duct Cleaning Across Sterling
Air duct cleaning in Sterling typically runs $380-$680 for a full residential system, with new-construction cleanings starting around $320 and older homes with galvanized steel trunks reaching $720 or more. Most Sterling appointments are scheduled within 3-5 business days, and every job starts with a written price before a single panel comes off. Call (571) 487-7204 for a free estimate.
We’ve been dispatching crews to Sterling from our Washington, DC office since 2013, and the work here is different from what we see in Herndon or Reston. Sterling’s housing stock is split between two distinct eras - the original Sterling Park subdivision built 1967-1975 and the massive Cascades-era developments from 1985-2000 - and now a third wave of new construction along Route 7 and near Dulles. That collision of old, aging, and brand-new ductwork means we approach every Sterling home with a specific inspection protocol, not a one-size-fits-all vacuum pass.
Why CleanRun Air Duct Cleaning Leesburg Is Sterling’s Preferred Air Duct Cleaning Company
Sterling homeowners research before they call. We built our Air Duct Cleaning service around that fact.
Our reputation in Sterling comes from documentation, not slogans. Every job delivers a written price before work starts - Haven Standard Clause 1 - and concludes with a Documented Photo Record of every duct run, before and after, included as standard. Customers in the Dominion Ridge section and throughout the Cascades have that record to verify what was actually removed. The 365-Day Done Right Promise backs it in writing: if the work is not right, we make it right.
Response time to Sterling is typically 3-5 business days for standard scheduling. We do not manufacture urgency. What we do provide is a Free Second Opinion on any written estimate - bring a competitor’s quote and we will put our number next to it, line by line.
Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. They carry professional-grade equipment from Rotobrush, Nikro, and Honeywell, brands customers can verify independently. All calls are answered by a live person, 24/7.
Our Air Duct Cleaning Services in Sterling
Residential Duct Cleaning
Sterling’s residential landscape is dominated by large planned communities - Sterling Park’s two-story colonials and split-foyers from the late 1960s to mid-1970s, and the Cascades-era townhomes and colonials from the late 1980s through late 1990s. Virtually all rely on central forced-air HVAC systems that have accumulated decades of Northern Virginia clay dust, pollen, and humidity without major duct servicing. In newer sections like Dominion Ridge off Route 7, we’re seeing a different problem entirely: construction dust and drywall debris left in the ducts at handover. Our residential cleaning addresses both - negative-pressure extraction with HEPA filtration, agitation tools sized to the duct type, and a full photo record of every run.
Commercial Duct Cleaning
Sterling’s commercial base along Route 7 and near Dulles Airport includes office parks, retail, and light industrial with rooftop units and extensive flex-duct distribution. Northern Virginia’s humid subtropical summers push attic temperatures well above 130°F, and in Sterling’s prevalent two-story buildings where supply trunks run through unconditioned attic spaces, repeated heat and condensation cycles cause flex duct liners to sweat and sag. We clean these systems with source-removal methods that match the commercial HVAC configuration, documenting the condition of dampers, mixing boxes, and fire/smoke dampers as part of the standard scope.
Supply Duct Cleaning
Supply ducts carry conditioned air to your registers. In Sterling Park’s original late-1960s and early-1970s homes, technicians regularly find rigid galvanized steel trunks wrapped in early-generation fiberglass batt insulation that has compressed or crumbled over five decades, actively shedding fibers into the air stream. This condition is essentially absent in the Cascades-era flex-duct systems just a mile away. Cleaning supply trunks here requires different tooling - rotary brushes for rigid metal, controlled-agitation whips for flex - and our crews carry both. The photo record shows which type you have and what was removed.
Return Duct Cleaning
Return ducts pull air back to the air handler, and in Sterling they often collect the most debris. In new construction, return plenums (the large chamber where return air collects before entering the air handler) frequently contain drywall fines, wood shavings, and discarded construction materials that the builder never removed. In older Sterling Park homes, returns may be built from wall cavities and floor joist bays - unlined channels that accumulate settled dust over 50+ years. We inspect with a video camera first, then clean with negative-pressure extraction sized to the return’s volume and construction type.
Full System Cleaning
A full system cleaning in Sterling addresses every component: supply trunks, supply branches, return trunks, return drops, the plenum, and the air handler cabinet. This is what we recommend for new-construction homes where construction debris has distributed throughout, and for any Sterling home that has not had documented cleaning in 7-10 years. The price is flat per system, agreed in writing before work starts - no per-vent add-ons, no surprises.
Video Inspection
Every Sterling job starts with a video inspection of representative duct runs. You see what the camera sees: construction debris, insulation degradation, standing water from condensation, or a clean system that doesn’t need service. In the Dominion Ridge section off Route 7, we took a call from owners who had been in their newly built colonial less than a year and were already vacuuming drywall dust off every register filter; a camera inspection showed heavy construction debris and drywall fines coating the supply trunk and piling up around the air handler, so we set up negative pressure with HEPA filtration and ran agitation tools through the full system to pull it out. The owners were surprised it was needed so soon, but the difference after was obvious - cleaner air, better airflow, and a system that wasn’t breathing construction dust.
What happens when you call
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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 Sterling
CleanRun technicians service and clean ductwork connected to all major HVAC brands, and we stock common components for faster turnaround on Sterling jobs. Our equipment roster includes Rotobrush agitation systems, Nikro negative-pressure extractors, and Honeywell media filters - professional-grade tools from trade-recognized brands that customers can look up independently. We do not sell equipment on brand loyalty; we document what is installed, what condition it is in, and what the photo record shows.
Common Air Duct Cleaning Problems We See in Sterling Homes
- Construction debris in new builds. Builders routinely hand over new Sterling houses with drywall dust and construction debris still sitting in the supply and return ducts. Because the dust is fine and powdery, it slips past standard filters and travels through the air handler and blower motor. Only proper source removal with negative pressure gets it out.
- Failed flex-duct liners in Cascades-era homes. The 1985-2000 subdivisions are hitting the 25-35-year threshold where flexible duct liners crack, delaminate, and mastic seals fail. Northern Virginia’s high summer humidity accelerates this, and attic temperatures above 130°F break down the adhesive bonds.
- Compressed fiberglass insulation in Sterling Park steel trunks. The original 1967-1975 homes have rigid galvanized steel wrapped in early-generation fiberglass batt that has compressed or crumbled over five decades. This sheds fibers into the air stream and requires a different cleaning approach than flex-duct systems.
- Low spots and standing water in attic runs. In Sterling’s two-story colonials, supply trunks through unconditioned attics develop sags where condensation collects. These low spots trap debris and promote mold growth, visible on camera as dark staining at the duct’s belly.
Pricing for Air Duct Cleaning in Sterling, VA
| Service | Typical Range in Sterling |
|---|---|
| New-construction full system cleaning | $320-$480 |
| Standard residential full system (Cascades-era, flex duct) | $380-$580 |
| Sterling Park-era rigid steel with insulation remediation | $520-$720 |
| Commercial per-system base | $680-$1,200 |
| Video inspection only (credited toward cleaning if booked) | $95-$145 |
What moves a Sterling job higher in the range: multiple HVAC systems, rigid steel trunks requiring insulation remediation, documented mold or standing water, or accessibility issues in finished basements or sealed attics. What does not affect price: number of vents. We price per system, not per register - Haven Standard Clause 1.
Every estimate is free and written. Call (571) 487-7204 to schedule.
We Also Serve Cities Near Sterling
Our crews work throughout Loudoun and Fairfax counties. If you’re in Sterling or nearby Herndon, Reston, Great Falls, or Chantilly, the same scheduling, pricing structure, and documentation standards apply. Dispatch and scheduling are coordinated from our Washington, DC office; crews serve all listed cities locally.
Serving Sterling, VA - Our Local Coverage Area
We’re based in the Sterling 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 Sterling
Yes. In Sterling’s new construction, particularly along Route 7 and in developments like Dominion Ridge, builders routinely leave drywall dust, wood shavings, and construction debris in the supply and return ducts at handover. Most builders do not clean ducts after construction. We’ve cleaned Sterling homes less than six months old with visible debris piles at the air handler. Call (571) 487-7204 for a free video inspection - we’ll show you what the camera sees, and the inspection fee is credited toward cleaning if you book.
New-construction dust is fine, powdery, and unbound - drywall gypsum, joint compound, sawdust, and insulation fragments that have not yet been cycled through a filter. Regular household dust is larger, heavier, and tends to settle. Construction dust slips past standard 1-inch filters, travels through the air handler, and embeds in the blower motor and evaporator coil. In Sterling’s hard-water areas, that dust combines with condensate to form a paste on the coil that restricts airflow and drives up energy use.
We use lower-pressure negative extraction and softer agitation tools on new flex-duct systems - the ductwork is new, so the concern is debris removal, not mechanical restoration. The video inspection identifies duct type first. Our crews adjust pressure and tool selection accordingly, and the photo record documents condition before and after. Haven Standard Clause 2: Documented Process.
No. Vacuuming registers removes visible surface dust but does not address the supply trunk, return plenum, or air handler - where the bulk of construction debris collects. In the Sterling home we described from Dominion Ridge, the register filters looked bad, but the real problem was a half-inch layer of drywall fines coating the supply trunk and packed around the blower. Source removal requires negative-pressure extraction at the duct level, not surface cleaning.
For a Sterling home that started with construction debris, we recommend a follow-up inspection at 3 years, then every 5-7 years if the system is running clean with standard filter changes. Homes with pets, allergies, or finished basements with extended duct runs may need more frequent attention. The photo record from your first cleaning gives us a baseline to compare against. Call (571) 487-7204 to schedule or to review your existing documentation.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Sterling and Loudoun County since 2013.