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 Centennial
Air duct cleaning in Centennial, CO typically runs $380-$620 for a full residential system, with most jobs completed in a single visit and a written price delivered before any work starts. We’re CleanRun Duct Repair & Cleaning, and our crews serve Centennial from our Denver office, carrying Rotobrush and Nikro equipment through neighborhoods from Willow Creek to Piney Creek to the ranch subdivisions along Smoky Hill Road. Call (720) 315-7291 for a free estimate with a written price - no “call for a quote” runaround, ever.
Why CleanRun Air Duct Cleaning Littleton Is Centennial’s Preferred Air Duct Cleaning Company
We’ve been in Centennial homes since 2013, and the pattern is consistent: fiberglass duct board installed in the 1980s and 90s is delaminating internally, and flex-duct runs in attic spaces are sagging where support hangers failed decades ago. Our Air Duct Cleaning team documents every run with before-and-after photos, so Centennial homeowners see exactly what was in their system and what changed.
Our 365-Day Done Right Promise is backed in writing on every job, not buried in a policy manual. Technicians are background-checked and uniformed under Haven Standard Clause 3: Verified Crews, and we publish our license number so you can verify credentials before we arrive. Scheduling is coordinated from our Denver office, with crews dispatched to Centennial daily.
We offer a Free Second Opinion on any written estimate from a competitor. Bring us the quote; we’ll put our number beside it in writing.
Our Air Duct Cleaning Services in Centennial

Residential Duct Cleaning
Centennial’s housing stock is unique in the metro: built almost entirely during the 1978-1998 suburban boom as unincorporated Arapahoe County, the city has one of the densest concentrations of ranch and two-story tract homes now 25-45 years old. Many still run on original fiberglass duct board systems that are delaminating and shedding fibers internally. Our residential cleaning uses HEPA-filtered negative-pressure extraction with gentle agitation - the only safe approach for aging liner. We recently serviced a ranch home off Smoky Hill Road where the homeowner complained of reduced airflow and a musty odor in the back bedrooms. Our tech found a sagging flex-duct run in the attic acting as a low-point trap, packed with a dense plug of cottonwood fluff and wildfire ash; after source removal with agitation tools under negative pressure and HEPA filtration, airflow at the registers returned to normal and the odor was gone.

Commercial Duct Cleaning
Centennial’s commercial properties along Arapahoe Road and near the Centennial Airport corridor range from 1980s office flex spaces to newer medical and professional buildings. We clean commercial systems with the same documented photo record as residential jobs, using Abatement Technologies and Nikro equipment sized for larger plenum (the main distribution box) and trunk-line configurations. Written scope and price before work starts, every time.

Supply Duct Cleaning
Supply ducts push conditioned air to your registers - the vents you feel blowing. In Centennial ranch homes with slab foundations, supply runs often travel through attic spaces where temperature swings from below-zero nights to 90-degree days stress flex-duct connections. We photograph every supply run before and after, using Rotobrush agitation tools to dislodge debris without damaging aging material.

Return Duct Cleaning
Return ducts pull air back to your furnace - the intake side. In Centennial’s dry climate at 5,700 feet, fine particulate stays suspended longer before getting drawn into returns. Wildfire smoke season, typically July through October, deposits fine ash that accumulates in return plenums. Our return cleaning includes the plenum, filter rack, and all accessible trunk lines, documented with photos.

Full System Cleaning
This is what most Centennial homes actually need: supply and return ductwork, plenum, registers, and the air handler cabinet. For homes near unpaved roads or open land on Centennial’s eastern and southern edges - where dust and pollen loading is significantly higher - we recommend annual full-system cleaning rather than the every-3-5 year interval common in newer, more humid suburbs. The debris load from unpaved road dust, agricultural pollen, and extended wildfire smoke exposure compounds faster here. Our full-system price is one flat rate per system, agreed in writing before we start.

Video Inspection
For Centennial’s 1980s-era homes, we strongly recommend video inspection before cleaning. A camera run reveals delaminating duct board, disconnected flex-duct joints, or sagging runs that a standard cleaning could damage or fail to address. The inspection itself is documented with timestamped footage you keep. If we find damage that requires repair before safe cleaning, we show you the video and quote the repair separately - no bundled mystery pricing.

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.
Before
AfterTrusted Brands We Service in Centennial
Our equipment roster includes Honeywell, Aprilaire, and Abatement Technologies - brands you can look up independently before agreeing to any work. We stock common filters, UV lamp components, and media for Honeywell and Aprilaire whole-house systems installed in many Centennial tract homes of the 1990s. If your system uses a brand we don’t carry, we tell you before scheduling so you’re not waiting on parts.
Common Air Duct Cleaning Problems We See in Centennial Homes

- Sagging flex-duct traps in 1980s subdivisions. In the ranch neighborhoods along Smoky Hill Road and Arapahoe Road, attic flex-duct runs were installed with minimal support hangers. After 35-40 years, those runs sag at mid-span, creating low-point traps where cottonwood fluff, wildfire ash, and construction debris compact into dense plugs. We find this failure mode far more often in Centennial than in newer Highlands Ranch or Castle Rock homes.
- Delaminating fiberglass duct board. Original duct board in Centennial’s 25-45 year old homes is shedding fibers internally. A careless cleaning with high-pressure tools or no HEPA containment can release more particles into your air than were there before. Our approach: gentle agitation, negative-pressure containment, and HEPA filtration on every job.
- Wildfire smoke ash accumulation. Colorado’s lengthening wildfire smoke windows - now typically July through October - send repeated waves of fine particulate through Front Range HVAC systems. Centennial’s elevation and dry air keep those particles suspended longer before they settle in ductwork, but once inside, they layer onto existing dust and debris.
- Higher debris loading on rural-edge properties. Homes near unpaved roads or open land in Centennial experience dust and pollen volumes that can justify annual cleaning rather than the standard 3-5 year interval. The realistic schedule depends on your specific exposure, not a calendar template.
Pricing for Air Duct Cleaning in Centennial, CO
Here are the ranges we quote in writing for Centennial homes, based on system size and accessibility:
| Service | Typical Range in Centennial |
|---|---|
| Full residential system cleaning (single system) | $380-$620 |
| Video inspection only | $180-$260 |
| Video inspection + full cleaning | $480-$760 |
| Additional HVAC system (same visit) | $280-$420 |
| Detached garage or outbuilding ductwork | $220-$380 |
What moves a Centennial job toward the higher end: multiple attic access points, known sagging or damaged ductwork requiring repair before cleaning, and homes on rural-edge lots with heavy debris loading from unpaved road exposure. What keeps it lower: straightforward ranch layouts with good attic access and maintained systems. Every quote is a written price, delivered before work starts, under Haven Standard Clause 1. No per-vent pricing. No coupon that balloons once the truck arrives. Call (720) 315-7291 for your exact number - estimates are free.
We Also Serve Cities Near Centennial

Our crews work throughout the south metro, including Centennial, Littleton, Englewood, Highlands Ranch, and Cherry Hills Village. Dispatch and scheduling are coordinated from our Denver office. Each city gets the same written-price-first protocol and documented photo record, though the specific failure modes and recommended cleaning intervals vary with local housing stock and conditions.
Serving Centennial, CO - Our Local Coverage Area
We’re based in the Centennial 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 Centennial

Annual full-system cleaning is realistic for Centennial properties with unpaved road exposure or open land on the rural edge, compared to the 3-5 year interval common in newer, more humid suburbs. Dust and pollen loading is measurably higher, and Colorado’s dry air keeps that particulate circulating through your system longer before it settles. Call (720) 315-7291 and we’ll assess your specific debris load with a free estimate.
Yes. Homes from that era in Centennial frequently have original fiberglass duct board or early flex-duct that is now delaminating or sagging. A video inspection identifies these conditions so cleaning doesn’t damage your system or release more fibers into your air. The inspection is documented with footage you keep, and the price is quoted in writing before we start. Call (720) 315-7291 to schedule.
Supply ducts push conditioned air to your rooms; return ducts pull air back to the furnace. In Centennial ranch homes, supply runs often travel through hot attic spaces where aging flex-duct sags, while returns draw in the fine particulate that stays suspended in our dry, high-elevation air. We clean both sides with different tool configurations and photograph every run, but the failure patterns we find differ: supplies show physical damage from temperature stress, returns show heavy particulate loading from wildfire smoke and road dust. Call (720) 315-7291 for a full-system quote.
Yes. We clean ductwork in detached garages, workshops, and outbuildings that are part of your property’s HVAC or ventilation system. These systems often have heavier debris loading from vehicle exhaust, shop activity, or less frequent filter changes. Pricing runs $220-$380 depending on duct length and access, with the same written price and photo documentation as your main house. Call (720) 315-7291 to include an outbuilding in your estimate.
Centennial’s housing stock is 25-45 years old with original ductwork, while Highlands Ranch built out mainly in the 1990s and 2000s with newer materials and better installation standards. We frequently find sagging flex-duct, delaminating duct board, and dense debris plugs in Centennial homes that require careful, time-consuming work with HEPA containment and gentle agitation. A Highlands Ranch job might be straightforward; your Centennial home may need repair prep or multiple access points to do the work safely. The time difference reflects the condition of your specific system, not crew speed. Call (720) 315-7291 and we’ll scope the job in writing before we start.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Centennial since 2013.




Before
After
Before
After