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.
Before
After
Before
After
Before
AfterAir Duct Cleaning in Denver, CO
HVAC cleaning in Denver typically addresses a whole-home system for $450-$850, with most jobs completed in a single visit. The city’s 5,280-foot elevation, extreme temperature swings, and winter temperature inversions that trap Front Range particulates create unique buildup patterns inside ductwork. CleanRun crews coordinate dispatch from our Denver office and serve homeowners across the metro with written prices delivered before any work begins. Call (720) 315-7291 for a free estimate.
Why Denver Homes Are Different
Denver’s semi-arid climate keeps indoor humidity around 25-35% year-round, which means fine particulates stay airborne longer before settling into ducts rather than clumping and dropping early. The city’s dramatic single-day temperature swings, sometimes exceeding 50°F, repeatedly expand and contract sheet-metal ducts, progressively loosening joints and allowing unconditioned attic air to infiltrate supply systems.
Winter temperature inversions trap the Front Range “brown cloud” of fine combustion particulates in the South Platte River basin, while increasingly frequent Colorado wildfire smoke events drive residents to seal homes and run HVAC continuously. This dual burden means Denver ductwork accumulates ultra-fine smoke and soot particles at a rate unlike most U.S. cities. In neighborhoods like Harvey Park and Montbello, we regularly encounter 1950s-1970s ranch homes with original sheet-metal ductwork that has never been professionally cleaned, often showing joint separation from decades of thermal cycling. Capitol Hill and Park Hill “Denver Square” homes frequently have retrofitted forced-air systems with improvised duct runs squeezed through tight cavities, creating irregular geometries that are difficult to clean thoroughly.
Our Main Denver Services
Denver homeowners contact CleanRun most often for these three services, each with its own dedicated Denver page:
Air Duct Cleaning in Denver
Whole-system negative-pressure extraction for supply and return ductwork, register to plenum. In Denver’s older neighborhoods, we frequently find flex duct installed without adequate hangers, sagging into low-point debris traps. Every job includes a Documented Photo Record of every duct run, before and after. Read more about Air Duct Cleaning in Denver.
Dryer Vent Cleaning in Denver
Full-length vent line cleaning from appliance to exterior termination, with airflow verification. Denver’s lint accumulation rates increase in winter when heavier clothing extends drying cycles. We remove blockages and verify proper termination clearance. Read more about Dryer Vent Cleaning in Denver.
Duct Repair & Sealing in Denver
Joint resealing, section replacement, and mastic application for compromised ductwork. Thermal cycling in Denver loosens connections over decades; we photograph damage and quote repairs in writing before starting. Read more about Duct Repair & Sealing in Denver.
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.
BeforeAfterHVAC Cleaning in Denver
Denver’s combination of wildfire smoke events, winter inversions, and low humidity creates a particulate load that standard filter changes cannot address. HVAC cleaning targets the components that move and condition air throughout your home, not just the ducts that distribute it. CleanRun’s HVAC Cleaning service is built for this environment, with equipment from Nikro and Abatement Technologies designed for fine-particle removal at altitude.
Evaporator Coil Cleaning
Signs you need it
Ice formation on coils, reduced airflow from registers, or cooling bills rising despite unchanged thermostat settings.
What it costs in Denver
Evaporator coil cleaning in Denver typically runs $280-$450.
How we do it
We access the coil through the plenum, apply foaming cleaner, rinse with low-pressure water, and photograph the before and after condition for your job record.
Blower Cleaning
Signs you need it
Vibration or noise from the air handler, uneven airflow room to room, or dust recirculating immediately after filter replacement.
What it costs in Denver
Blower assembly cleaning in Denver typically runs $240-$380.
How we do it
We remove the blower housing, clean fan blades and motor housing with compressed air and contact cleaner, balance the assembly, and document with photos.
What HVAC Cleaning Costs in Denver
| Item | Typical range in Denver |
|---|---|
| Evaporator coil cleaning | $280-$450 |
| Blower assembly cleaning | $240-$380 |
| Full HVAC system cleaning (coil, blower, plenum) | $450-$850 |
How often should HVAC cleaning be done in Denver?
Every 3-5 years for typical Denver homes, or sooner after major wildfire smoke events or visible dust recirculation. Homes near I-25 or in inversion-prone areas may need more frequent service. Call (720) 315-7291 to schedule an inspection.
Does HVAC cleaning help with wildfire smoke residue?
Yes, professional cleaning removes accumulated fine particulates from coils, blowers, and plenums that standard filters miss. We use HEPA-contained equipment from Nikro to capture particles without redistributing them. Call (720) 315-7291 for a written quote.
Air Quality & Sanitizing in Denver
Denver’s brief summer monsoon humidity spikes, combined with sagging flex duct in older neighborhoods, can seed mold colonies in otherwise bone-dry systems, a failure mode rarely seen in consistently humid or arid markets. Air Quality & Sanitizing addresses biological contamination and persistent odors that mechanical cleaning alone cannot resolve, using application equipment from Honeywell and Aprilaire.
Mold Treatment
Signs you need it
Musty odor when the system starts, visible growth at registers, or recent water intrusion into ductwork.
What it costs in Denver
Mold treatment for a typical Denver system runs $400-$750.
How we do it
We apply EPA-registered antimicrobial through the duct system, treat affected registers and plenum surfaces, and provide lab-verifiable before and after documentation.
UV Light Installation
Signs you need it
Recurring biological growth despite cleaning, household members with respiratory sensitivity, or system located in a damp basement or crawlspace.
What it costs in Denver
UV light installation in Denver typically runs $350-$600.
How we do it
We mount a UV-C lamp in the supply plenum, wire to the blower circuit for automatic operation, and verify irradiance levels with a meter.
What Air Quality & Sanitizing Costs in Denver
| Item | Typical range in Denver |
|---|---|
| Mold treatment | $400-$750 |
| UV light installation | $350-$600 |
| Combined sanitizing package | $600-$1,000 |
Is mold common in Denver’s dry climate?
Yes, in specific failure modes: sagging flex duct traps brief monsoon moisture, and poorly sealed crawlspace returns draw damp soil air. We find active mold in roughly 15% of pre-1980 Denver homes we inspect. Call (720) 315-7291 for testing.
Will UV lights reduce wildfire smoke particles?
No, UV-C targets biological growth, not particulates; for smoke, pair UV with high-MERV filtration and periodic HVAC cleaning. We assess your full system before recommending any solution. Call (720) 315-7291 for a written evaluation.
Brands We Service in Denver
CleanRun stocks parts and maintains equipment compatibility for Honeywell, Aprilaire, and Nikro systems commonly installed in Denver metro homes. Most replacement components are available within 24 hours through our Denver office. See our brands for the full list.
Pricing for Air Duct Cleaning in Denver, CO
| Service | Typical range in Denver |
|---|---|
| Whole-home air duct cleaning | $350-$650 |
| Dryer vent cleaning | $150-$250 |
| Duct repair & sealing (per system) | $400-$900 |
| Evaporator coil cleaning | $280-$450 |
| Blower assembly cleaning | $240-$380 |
| Full HVAC system cleaning | $450-$850 |
| Mold treatment | $400-$750 |
| UV light installation | $350-$600 |
Denver jobs may run higher when accessing retrofitted ductwork in Capitol Hill or Park Hill homes with tight interior cavities, or when removing accumulated wildfire soot requiring extended contact time. Every price is written and agreed before work starts, per Haven Standard Clause 1.
Neighborhoods We Serve in Denver
CleanRun crews serve Denver from our metro office, with scheduling typically available within 3-5 business days. We regularly work in these neighborhoods and surrounding areas:
- Harvey Park
- University Hills
- Montbello
- Capitol Hill
- Park Hill
Service Area - Cities Near Denver
Our Denver office dispatches crews throughout the metro area. We serve homeowners in Aurora, CO, Englewood, CO, Littleton, CO, and Westminster, CO with the same written pricing and documented photo records standard on every job.
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 HOAs require 24-48 hour notice for any service vehicle parking or exterior access, but duct cleaning is typically classified as routine interior maintenance without permit requirements. We provide written scope descriptions on request for HOA submission.
Lower air density at 5,280 feet reduces natural filtration efficiency and allows finer particles to remain suspended longer, meaning our negative-pressure extraction systems must run at adjusted flow rates to achieve equivalent capture compared to sea-level operations.
Yes, our contained extraction systems do not introduce outdoor air; however, we may reschedule if driving conditions become unsafe for crew transport. We monitor CDOT and NWS alerts and contact scheduled customers proactively.
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.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Denver Customers Say
"Flat price agreed up front, no per-vent add-ons at the end. That was the whole reason I did not call the coupon company."
- Suzanne B."Thorough job on the ducts and the dryer vent. Left the house clean and the paperwork was clear."
- Rafael I."The before and after photographs of each run are the reason I used them. You cannot argue with what came out of the return."
- Marguerite O.