Air Duct Cleaning Services in Denver, CO
Denver homeowners can expect air duct cleaning to run $350-$650 for a typical single-family home, with most appointments completed in one visit. Bellows Air Duct & Vent Co. has worked in Denver since 2012, and our technicians know the difference between a post-war ranch in East Colfax and a Victorian Denver Square in Capitol Hill. We’re licensed and insured, our pricing is set before we start, and you can reach a live person at our office any hour of the day at (844) 685-6342.
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.
Why Denver Homeowners Choose Bellows Air Duct & Vent Co.
We’ve been driving to Denver jobs from our home office for over twelve years now. In that time we’ve cleaned ductwork in the cramped basements of Five Points bungalows, pulled decades of compacted lint from dryer vents in Park Hill ranches, and traced airflow problems through the irregular plenums of Curtis Park Victorians. Denver homeowners call us back because we show up when we say we will, in uniform, with background-checked technicians who answer to a real supervisor.
Our phone rings at all hours, and a live person picks up. Not an app, not a queue that dumps you to voicemail. That’s been our way since 1984, and it’s not changing. We bring Nikro and Abatement Technologies equipment to every job, camera-inspect every system before and after, and put our 90-Day Done Right Promise in writing. If something’s not right, we make it right. No paperwork to file, no argument to have.
Denver’s semi-arid climate and 5,280-foot elevation create conditions we account for on every job. The temperature swings here, sometimes 40 degrees in a single day, work sheet-metal seams loose over time. We see it constantly. We also see what happens when national franchises send crews who don’t know to check for original octopus-furnace plenums wrapped in deteriorating insulation in the older central ZIPs. We know to look, and we know what to do when we find it.
Air Duct Cleaning Services We Offer in Denver
Air Duct Cleaning
We remove built-up dust, debris, and particulate matter from your supply and return ductwork using professional-grade Rotobrush and Nikro equipment. Every job starts and ends with a camera inspection so you see what came out and what condition your system is in now. Learn more about our Air Duct Cleaning in Denver.

Dryer Vent Cleaning
Clogged dryer vents are a leading cause of house fires, and Denver’s dry climate means lint buildup happens faster than homeowners expect. We clear the full run from appliance to exterior termination, test airflow, and verify with a camera when the configuration allows. Learn more about our Dryer Vent Cleaning in Denver.

HVAC Cleaning
Your furnace, air handler, and evaporator coil collect the same debris your ducts do, and cleaning one without the other leaves half the problem in place. We clean the full air path so your system isn’t circulating through dirty components the moment we leave. Learn more about our HVAC Cleaning in Denver.

Duct Repair & Sealing
Denver’s daily temperature swings stress sheet-metal seams year after year, and the galvanized ducts common in 1950s and 1960s ranch homes are especially prone to gap failure. We seal with proper mastic and mechanical fasteners, not duct tape, and we replace damaged sections when patching won’t hold.

Air Quality & Sanitizing
For households with allergy sufferers, recent water intrusion, or concerns about microbial growth, we apply EPA-registered sanitizers after mechanical cleaning. We use Honeywell and Aprilaire products specified by serious HVAC contractors, and we never sell sanitizing as a substitute for proper debris removal.

Neighborhoods We Serve in Denver
We run appointments across the central Denver ZIPs - 80203, 80204, 80205, 80206 - and surrounding areas with same-day or next-day availability for most calls. Typical drive time to Capitol Hill, Five Points, or Curtis Park is under 45 minutes from our dispatch.
- Capitol Hill (80203) - Dense pre-war housing stock, frequent octopus-furnace retrofits
- Five Points (80205) - Late-Victorian Denver Squares and bungalows with irregular ductwork
- Curtis Park - Historic district with original gravity-system remnants and abatement considerations
- Park Hill - Post-war ranches with aging galvanized ducts and seam failures
- East Colfax - Mixed-era housing with varied duct conditions and accessibility challenges
Why Denver’s Climate & Housing Affect Air Duct Cleaning
Denver sits in a geographic bowl at the base of the Rockies that traps Front Range particulate matter and, increasingly, wildfire smoke from Colorado and Western U.S. fires that blanket the city each summer and fall. This drives repeated post-smoke duct cleanings that are essentially unheard-of in flatland metros. Paired with a semi-arid climate averaging under 15 inches of annual rainfall, fine particles stay airborne far longer before settling deep into ductwork, meaning Denver systems accumulate debris measurably faster than comparable cities at lower elevations with higher humidity.
The housing stock compounds this. The central Denver ZIPs are dense with late-Victorian Denver Squares, Craftsman bungalows, and foursquare homes built between the 1890s and 1940s, many of which had original gravity or “octopus” furnace systems crudely retrofitted into forced-air ductwork in the 1950s. The result is oversized, irregular plenums, mismatched trunk lines, and flex-duct patches that trap debris and resist standard cleaning equipment. Post-war ranch homes on the eastern edges frequently have original galvanized sheet-metal ducts with open or mastic-failing seams that pull unfiltered basement or crawl-space air into the supply stream.
In Capitol Hill, Curtis Park, and Five Points, a technician pulling a register in a pre-1960 Denver Square or bungalow will often find the original octopus-furnace plenum still in place with deteriorating asbestos-containing insulation wrap. This is a stop-work condition requiring abatement referral before any duct cleaning can legally proceed, and it’s a conversation that flat-rate national franchise crews routinely miss on the estimate call. We know to ask before we arrive, and we know what we’re looking at when we open the system.
Denver’s 5,280-foot elevation and semi-arid climate also create 40°F+ diurnal temperature swings year-round, causing sheet-metal ductwork to expand and contract aggressively each day. This progressively opens seam gaps and draws in unfiltered air from unconditioned spaces. The low relative humidity means fine dust and allergen particles remain suspended in indoor air far longer before settling into duct interiors, accelerating buildup between cleanings. A three-year cleaning interval that works in St. Louis or Atlanta often leaves a Denver system visibly overloaded.
Pricing for Air Duct Cleaning in Denver
We disclose every price before we lift a single tool. No bait coupons, no add-ons at the door, no “surprise, you need this extra service.” The number we give on the phone is the number on the invoice.
| Service | Typical Range |
|---|---|
| Standard air duct cleaning (single system, up to 12 vents) | $350 - $550 |
| Larger homes or dual-zone systems (13-20 vents) | $500 - $650 |
| Dryer vent cleaning (standard run) | $125 - $225 |
| HVAC cleaning (furnace, coil, blower) | $275 - $425 |
| Duct repair & sealing (per hour, materials included) | $175 - $250 |
| Air quality sanitizing (after mechanical cleaning) | $95 - $175 |
We offer a permanent 5% Senior and Veteran discount, $50 off any repair over $250, and free second opinions on any written estimate you’ve received. Our $89 Seasonal Tune-Up is available year-round. Call (844) 685-6342 for an exact quote on your home - estimates are free, and we’ll ask the right questions about your system type, age, and any prior work so we don’t show up unprepared for what Denver’s housing stock delivers.
Service Area - Cities Near Denver
We run regular appointments throughout the metro area. If you’re in Lakewood, Wheat Ridge, Commerce City, or Englewood, the same technicians, same equipment, and same upfront pricing apply. Call (844) 685-6342 and we’ll confirm availability for your area.
Serving Denver, CO - Our Local Coverage Area
We’re based in the Denver 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 Denver
Most Denver homeowners pay $350-$550 for a standard single-system cleaning with up to 12 vents. Larger homes or properties with dual-zone systems typically run $500-$650. We set the exact price before we start, and it’s the same number on the invoice. Call (844) 685-6342 for a free estimate on your specific home.
Every three to five years is standard guidance, but Denver’s conditions often compress that interval. The semi-arid climate keeps particles airborne longer, wildfire smoke seasons deposit unique residue, and the daily temperature swings stress seams that pull in unfiltered crawl-space or basement air. Homes in 80203, 80205, and other central ZIPs with pre-1960 retrofitted ductwork may need more frequent attention. We inspect with a camera and tell you honestly whether you’re due.
Yes, but we assess first. In Capitol Hill, Curtis Park, and Five Points, we regularly encounter original octopus-furnace plenums with deteriorating asbestos-containing insulation wrap. This requires abatement referral before cleaning can legally proceed. We ask about your home’s age and system history when you call so we arrive prepared, not surprised. Camera inspection before work begins confirms what we’re dealing with.
Repair is usually the better value for isolated seam failures, small section damage, or disconnected flex runs, which we handle for $175-$250 per hour including materials. Full replacement becomes worth considering when galvanized ducts from the 1950s-1960s have systemic corrosion, multiple failed seams, or are pulling significant unfiltered air. We show you the camera footage and explain both options with prices before you decide. Call (844) 685-6342 to schedule an inspection.
Same-day appointments are often available for calls placed before noon, and next-day service is standard for most Denver ZIPs including 80203, 80204, 80205, and 80206. A live person answers our phone 24 hours a day, so you can call anytime to check availability. For urgent concerns like post-wildfire smoke residue or a dryer vent blockage, we’ll prioritize getting a technician to you quickly. Call (844) 685-6342 - we’ll tell you honestly what we can do and when.
Written by the team at Bellows Air Duct & Vent Co., serving Denver since 2012.
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.
- 3A background-checked tech heads outLicensed & insured, typically within same-day.
- 4You approve before work beginsNothing starts until you say go.
What Bell Customers Say
"Showed up fast, fixed it right the first time, and the price matched the quote. Couldn't ask for more."
- Verified local homeowner"Professional from the first call. Explained everything clearly and left the area spotless."
- Verified local homeowner"Called in the morning, problem solved by afternoon. Honest, upfront pricing - highly recommend."
- Verified local homeowner