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 Rockville
Air duct cleaning in Rockville, MD typically runs $380-$720 for a full residential system and $180-$340 for supply or return duct cleaning alone. Most Rockville homes we see need the full treatment, especially the post-war stock in Twinbrook and Rockcrest where decades of accumulation sit in original sheet-metal trunk lines. We dispatch crews to Rockville from our Washington, DC coordination office, and we carry the Montgomery County work licenses required for every job. Call (571) 487-7204 for a written estimate before any work starts.
Rockville’s housing tells a specific story. The Twinbrook neighborhood holds one of the largest concentrations of 1950s-60s Cape Cods, ramblers, and split-levels in Montgomery County. Tens of thousands of these homes still run on original sheet-metal ductwork that has never been professionally cleaned. Many received DIY room additions in the 1970s and 1980s that left poorly sealed or partially disconnected duct runs. Our crews know these systems because we’ve documented them, photographed them, and repaired them across Rockville since 2013.
Why CleanRun Air Duct Cleaning Leesburg Is Rockville’s Preferred Air Duct Cleaning Company
We are independently owned and operated under the Haven Standard, not a franchise operation, and our Air Duct Cleaning team has served more than 52,000 homes since 2013. Every single job started with a written price agreed before work began. That includes every Rockville home from the townhomes along MD-355 to the ramblers in Rockcrest.
Our technicians are background-checked, uniformed, and identified by name before arrival, per Haven Standard Clause 3: Verified Crews. We publish our license number on every page because credentials should be verifiable, not buried. Rockville customers receive a Documented Photo Record of every duct run, before and after, as a standard deliverable. Not a courtesy. A clause in the written scope.
The 365-Day Done Right Promise backs every job in writing. If the work is not right, we make it right. Not subject to manager approval. Backed in writing on the invoice.
We also offer a Free Second Opinion on any written estimate from a competitor. Bring us the quote. We put our number next to it, in writing, with no charge to compare.
Our Air Duct Cleaning Services in Rockville
Residential Duct Cleaning
Rockville’s residential stock demands more than a brush-and-vacuum routine. In Twinbrook, we regularly find original 1950s octopus-style trunk-and-branch sheet-metal systems where the main plenum is packed with decades of fiberglass insulation shed from deteriorating internal lining. This contamination sits in the trunk line, not the branch runs, so standard brush cleaning pushes it deeper or leaves it to recirculate the moment the blower restarts. We use negative-pressure source removal equipment from Nikro and Rotobrush, paired with HEPA filtration, to extract the debris at its source. A typical residential full system cleaning in Rockville runs $450-$720 depending on the number of duct runs and the condition of the main plenum.
Commercial Duct Cleaning
Rockville’s commercial base includes federal contractors, NIH satellite offices, and medical practices along Rockville Pike where indoor air quality standards are enforced, not preferred. We clean commercial systems with the same documented photo protocol, scaled to larger plenums and rooftop units. Written price before work starts, per Haven Standard Clause 1. Commercial duct cleaning in Rockville typically starts at $680 for smaller office suites and scales based on system complexity and access.
Supply Duct Cleaning
Supply ducts push conditioned air into your rooms. In Rockville’s older homes, we often find supply runs crushed by decades of basement storage, blocked by failed dampers, or contaminated by backdraft from disconnected returns. We camera-inspect every supply run before quoting, so the price reflects actual condition. Supply duct cleaning alone in Rockville runs $180-$280 for a typical three-bedroom home.
Return Duct Cleaning
Return ducts pull air back to the air handler, and in Rockville they work hardest during spring pollen season. Oak, maple, and grass pollen peak April through June in Montgomery County, loading return-air grilles and duct interiors rapidly. We see the buildup in post-spring inspections every year. Return duct cleaning in Rockville runs $180-$280, though we typically bundle it with supply cleaning and the main plenum for the full system price.
Full System Cleaning
This is what most Rockville homes actually need. Full system cleaning covers the main plenum, all supply and return duct runs, registers, grilles, and the air handler cabinet. We emphasize this service on Rockville pages because the main plenum is where the real problem lives in Twinbrook’s aging systems. Full system cleaning in Rockville runs $380-$720.
Video Inspection
We camera-inspect every duct run before quoting and after cleaning to verify results. The video record becomes part of your Documented Photo Record. In Rockville, this has revealed disconnected flex runs from 1970s additions, standing water in crawl-space ducts, and crushed trunk lines that homeowners had no way to detect. Video inspection is included in full system cleaning or available standalone for $150-$220.
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 Rockville
Our equipment roster includes Rotobrush, Nikro, Abatement Technologies, Honeywell, and Aprilaire. These are trade-recognized brands customers can look up independently. We stock filters and replacement components sized for the systems common in Rockville’s housing stock, including the shorter pleated filters that fit the return grilles typical in 1950s-60s construction. Our technicians carry the agitation tools and negative-pressure rigs needed for sheet-metal trunk lines, not just the flexible whip systems designed for modern flex duct. Parts availability means we can complete sealing and reconnection work on the same visit when we find disconnected runs or failed plenum seams.
Common Air Duct Cleaning Problems We See in Rockville Homes
- Shed fiberglass lining in original plenums. In Twinbrook’s octopus-style trunk-and-branch systems, the main plenum is often packed with decades of shed fiberglass insulation from the original internal lining. This requires negative-pressure source removal, not brush cleaning, because the contamination sits in the trunk line rather than the branch runs. Skip this step and the debris recirculates the moment the blower starts.
- Disconnected flex runs from DIY additions. Room additions from the 1970s and 1980s frequently left partially disconnected flex runs that standard brush-and-vacuum cleaning misses. Without camera inspection, these hidden breaks keep pulling crawl-space moisture and pollen into the living space. We find these regularly in Rockcrest and along the MD-355 corridor.
- Moisture intrusion in crawl-space ducts. Rockville’s humid subtropical climate produces summers regularly hitting 90°F with dew points above 70°F. Crawl-space ducts in slab-on-grade and crawl-space homes wick ground moisture, creating ideal conditions for mold colonization. Cleaning without addressing the moisture source just resets the mold clock. We see this repeatedly in post-spring cleanings.
- Pollen loading after spring season. Montgomery County ranks among the worst jurisdictions in the mid-Atlantic for seasonal tree and grass pollen. Spring peaks April through June, and the load on return-air systems is visible in the first camera pull. Post-spring cleaning is a locally identifiable annual demand spike for Rockville homeowners, particularly the NIH researchers and federal contractors who track indoor air quality metrics closely.
Pricing for Air Duct Cleaning in Rockville, MD
A full residential system cleaning in Rockville runs $380-$720. Supply or return duct cleaning alone runs $180-$340. Commercial systems start at $680. Video inspection standalone runs $150-$220, though it is included in full system cleaning.
What moves the price: the number of duct runs, accessibility of the main plenum, presence of shed fiberglass lining requiring negative-pressure source removal, and any sealing or reconnection work found during camera inspection. We do not quote per-vent pricing. Haven Standard Clause 1 requires one flat price per system, agreed in writing before any panel comes off.
Every estimate is free. We deliver a written scope and price on site before work begins. No exceptions. Bring a competitor’s written quote and we will provide a Free Second Opinion at no charge.
| Service | Rockville Price Range |
|---|---|
| Full residential system cleaning | $380-$720 |
| Supply duct cleaning only | $180-$280 |
| Return duct cleaning only | $180-$280 |
| Commercial duct cleaning | $680+ |
| Video inspection (standalone) | $150-$220 |
We Also Serve Cities Near Rockville
Our crews work throughout Montgomery County and the surrounding area. We regularly dispatch to Rockville neighbors including Potomac, Gaithersburg, Montgomery Village, and Germantown. Scheduling is coordinated from our Washington, DC office, with local crews serving each area. The same Haven Standard, written pricing, and Documented Photo Record apply in every jurisdiction.
Serving Rockville, MD - Our Local Coverage Area
We’re based in the Rockville 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 Rockville
Yes. Original octopus-style trunk-and-branch systems in Twinbrook typically contain decades of shed fiberglass lining packed in the main plenum, which requires negative-pressure source removal equipment, not just brush cleaning. We were called to a 1955 Cape Cod in Twinbrook where the homeowner reported a musty odor and visible dust streaking from the registers whenever the air handler kicked on. Our tech pulled the main plenum cover and found the original sheet-metal trunk packed with gray fiberglass debris, so we set up HEPA filtration and negative pressure, then used agitation tools to break the matted lining loose before it could travel back through the supply and return ducts. After the source removal, we camera-inspected the branch runs and found two disconnected flex runs in a 1970s room addition; we reconnected and sealed them, and the static pressure at the air handler dropped enough that the blower motor no longer cycled on high limit. Call (571) 487-7204 for a written estimate on your system.
Montgomery County ranks among the worst mid-Atlantic jurisdictions for seasonal tree and grass pollen, with oak, maple, and grass peaking April through June. Rockville’s concentration of older, leak-prone ductwork pulls that pollen deep into the system, where it accumulates on damp interior surfaces and becomes a year-round source of recirculation. Post-spring cleaning is our busiest seasonal window for Rockville. Call (571) 487-7204 to schedule camera inspection and see what your returns pulled in this spring.
Only if the moisture source is identified first. Rockville’s humid subtropical climate and crawl-space construction create conditions where cleaning without addressing ground moisture wicking just resets the mold clock. Our protocol includes moisture assessment, documentation of standing water or condensation points, and recommendations for sealing or dehumidification before we complete the cleaning. The written scope includes what we found and what we did about it. Call (571) 487-7204 for an estimate that includes moisture evaluation.
You probably cannot tell without a camera. DIY room additions from the 1970s and 1980s frequently left partially disconnected flex runs that homeowners have no way to detect. Signs include uneven heating or cooling in the addition, musty odors, or higher than expected energy bills. We camera-inspect every duct run before quoting, and the video becomes part of your Documented Photo Record. Call (571) 487-7204 to schedule inspection.
Full system cleaning covers the main plenum, all supply and return duct runs, registers, grilles, and the air handler cabinet. For original Rockville ductwork, it specifically includes negative-pressure source removal of shed fiberglass lining from the trunk line, HEPA-filtered extraction, camera verification of every run, and documentation of any disconnected or crushed ducts found during inspection. The price is one flat fee per system, agreed in writing before work starts, with before-and-after photos of every run delivered as standard. Call (571) 487-7204 for a written estimate on your home.
Ready to see what is actually inside your ducts? Call (571) 487-7204 for a free written estimate. Our technician will camera-inspect your system, explain what the images show, and deliver a flat price before any work begins. Every job is backed by the 365-Day Done Right Promise and the full H.A.V.E.N. Standard.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Rockville since 2013.