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 Duct Repair & Sealing Across Brighton
Duct repair and sealing in Brighton, CO typically runs $280-$780 for most residential jobs, with full-system sealing in larger homes reaching $1,200-$1,800. Most Brighton homeowners get a written quote the same day they call, and our Duct Repair & Sealing crews are dispatched from our Denver office with Brighton-specific equipment loads. We serve neighborhoods from the historic downtown core near Bridge Street out to newer tracts along Baseline Road and the eastern growth corridors, where agricultural silt infiltration creates repair needs unlike anywhere else in the metro.
Call (720) 799-2292 for a free written estimate. Every quote comes with a documented photo record of what we find, before any work begins.
Why CleanRun Air Duct Cleaning Denver Is Brighton’s Preferred Duct Repair & Sealing Company
We’ve worked Brighton homes since 2013, and the contamination profile here is unmistakable. Our technicians recognize it immediately: fine agricultural silt packed into return ducts, distinct from the urban dust load we pull in Thornton or Westminster. That local knowledge changes how we seal. A gap that might be minor in Broomfield becomes a seasonal silt intake valve in Brighton, and we size our mastic applications accordingly.
Brighton homeowners have left us reviews citing specifically that we showed them the photos - the actual debris, the actual gaps - before quoting a price. Haven Standard Clause 1: Written Price Before Any Work Starts. No exceptions. Our 365-Day Done Right Promise applies to every Brighton job, backed in writing, not subject to manager approval.
Scheduling is coordinated from our Denver office, with crews carrying Brighton-appropriate sealant loads and flex duct inventory for the builder-grade tract homes that dominate the local housing stock. Background-checked, uniformed technicians identified by name before arrival. Haven Standard Clause 3: Verified Crews.
Our Duct Repair & Sealing Services in Brighton

Duct Sealing
Sealing in Brighton demands more than standard suburban practice. The city’s exposure to unblocked High Plains winds means every unsealed joint, every gap at the plenum, every chase penetration pulls in topsoil during wind events. Our sealing protocol for Brighton includes full mastic application at all plenum connections, register boot seals, and chase penetrations - not just tape at accessible joints. Typical Brighton duct sealing runs $680-$1,400 for whole-system work, with partial sealing of problem zones starting around $280.

Flex Duct Repair
Brighton’s explosive growth from the late 1990s through the 2010s produced thousands of homes with builder-grade flex duct that separates under thermal cycling. In the Brighton Crossing subdivision near Baseline Road, our crew repaired a disconnected flex duct in the supply trunk that was dumping fine agricultural silt into a 2010s builder-grade home. Using a camera inspection, we found a crushed elbow behind a wall chase, sealed it with mastic and replaced the damaged flex run, then sealed the plenum-to-air handler connection with Guardsman sealant to stop wind-driven silt from entering through gaps. The homeowner reported reduced dust on registers and better airflow within a week. Flex duct repair in Brighton typically ranges $320-$650 per run.

Metal Duct Repair
The smaller stock of early-to-mid 20th century homes in Brighton’s historic downtown core includes some with retrofitted forced-air systems routed through originally un-ducted spaces. Metal duct in these homes corrodes at seams, separates at original slip joints, and leaks heavily where chases were cut through lathe and plaster. We repair with metal-to-metal connections, seal with mastic rated for temperature cycling, and photograph every seam before and after. Metal duct repair in Brighton runs $380-$780 depending on accessibility.

Duct Insulation
Brighton’s semi-arid climate and 5,000-foot elevation mean wide temperature swings, and uninsulated or degraded ductwork in unconditioned spaces loses capacity fast. We replace degraded insulation with materials rated for Colorado’s UV and temperature cycling, sealing the vapor barrier as part of the job. Duct insulation in Brighton typically runs $450-$920 for attic or crawl space runs.

Mastic Sealant
Mastic is our primary sealant in Brighton, not tape. Tape fails under the thermal cycling and silt abrasion that characterizes this market. We apply mastic with a brush at all joints, a practice that takes longer but outlasts tape by years. Guardsman sealant is specified for plenum-to-air handler connections in our Brighton protocol. Mastic sealing as a standalone service runs $280-$580 for targeted zones.

Air Leak Repair
Air leak repair in Brighton is often urgent. A leak in a return duct on the home’s windward side can pull in measurable topsoil during a single plains wind event. We pressure-test, locate with camera and smoke, then seal - documenting the before leak rate and after. Air leak repair in Brighton ranges $340-$720 depending on location and access.

What happens when you call
- 1
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 Brighton
CleanRun carries professional-grade equipment from Rotobrush, Honeywell, and Aprilaire on Brighton trucks, with Guardsman sealant specified for plenum connections. We stock flex duct, mastic, and repair fittings sized for the builder-grade systems common in Brighton tracts, which means most repairs don’t wait for parts orders. Our Nikro negative-pressure extraction systems are loaded for jobs where silt removal precedes sealing. Equipment is named so customers can verify specifications independently - we don’t ask for trust without giving the means to verify.
Common Duct Repair & Sealing Problems We See in Brighton Homes

- Builder-grade flex duct joints separate under thermal cycling. In 1990s-2010s Brighton tracts, the original flex-to-plenum connections loosen, allowing windblown ag silt to enter return ducts and coat the blower motor. The fix is reconnection with proper supports and full mastic seal.
- Shared return plenums in downtown historic homes leak at unsealed chases. Retrofitted forced-air systems in the Bridge Street area pull dirt from unconditioned wall cavities and basement spaces through gaps that were never meant to be ductwork. Sealing requires access through existing chases and full mastic application at all penetrations.
- Stacked dryer vents in newer apartment and condo buildings develop lint blockages. Near the eastern corridors, shared vertical dryer ducts in multi-unit buildings clog in ways standard cleaning misses, creating fire risk and reducing dryer efficiency. We clean the full stack and seal disconnected sections with proper fire-rated materials.
- Agricultural silt loads accelerate seal degradation. The fine particulates our crews pull from Brighton ducts near Baseline Road are abrasive. They wear tape adhesives, infiltrate mastic if joints are poorly prepped, and collect at low points where flex duct sags. Proper sealing with correct prep lasts; shortcuts don’t.
Pricing for Duct Repair & Sealing in Brighton, CO
Here’s what duct repair and sealing actually costs in Brighton:
| Service | Typical Range |
|---|---|
| Targeted air leak repair (1-2 zones) | $280-$480 |
| Flex duct repair / replacement (per run) | $320-$650 |
| Metal duct repair (accessible) | $380-$780 |
| Mastic sealing (partial system) | $280-$580 |
| Whole-system duct sealing | $680-$1,400 |
| Duct insulation replacement | $450-$920 |
| Full sealing + insulation in large home | $1,200-$1,800 |
What moves the price: accessibility (attic vs. crawl space vs. finished basement), extent of silt contamination requiring pre-cleaning, and whether we’re repairing disconnected sections or sealing intact ones. Every Brighton job gets a written price before any work starts - Haven Standard Clause 1. No per-vent pricing, no teaser coupons that balloon on arrival. Bring a competitor’s written estimate; CleanRun provides a Free Second Opinion at no cost.
Call (720) 799-2292 for a free written estimate. Estimates include a camera inspection and photo documentation of what we find.
We Also Serve Cities Near Brighton

Our crews work Brighton regularly and also handle duct repair and sealing in Thornton, Broomfield, Aurora, and Westminster. Each market gets the same written-price protocol and documented photo record, though the contamination profile changes - Thornton sees more urban dust, Westminster more pollen load from open space, none the distinctive agricultural silt that defines Brighton fringe work.
Serving Brighton, CO - Our Local Coverage Area
We’re based in the Brighton 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 - Duct Repair & Sealing in Brighton

If your registers show fine silt accumulation within weeks of cleaning, or if airflow varies significantly between rooms, you likely have leaks pulling in unfiltered air. Cleaning removes what’s inside; sealing stops new contamination from entering. We camera-inspect to distinguish the two and quote accordingly. Call (720) 799-2292 for a free estimate - we’ll show you the photos and recommend the right scope.
Those homes sit at the direct intersection of Front Range downslope winds and active High Plains farmland. Sugar beet, corn, and dryland grain fields surrounding the eastern and northern outskirts produce fine, friable topsoil that standard suburban duct systems were not designed to exclude. The silt is distinct from urban household dust - lighter, more abrasive, and more persistent. Sealing is the only lasting solution; cleaning alone resets the clock by weeks, not years.
Yes. The historic core near Bridge Street has homes where forced-air was added to structures never designed for ductwork. We work with existing chases, seal at all penetrations through lathe and plaster, and use flexible access tools where space is restricted. Camera documentation is especially valuable in these homes, showing homeowners exactly where leaks occur in walls they can’t see into. Written price before work starts, every time.
Yes. Newer multi-unit buildings near the eastern corridors have stacked dryer duct systems that develop lint blockages and disconnected sections standard cleaning doesn’t address. We clean the full vertical stack, repair or replace damaged sections with fire-rated materials, and seal connections to prevent cross-contamination between units. Scheduling coordinates with building management; we document the full stack with photos.
Sealed ducts stop pulling in unfiltered agricultural silt, pollen, and attic or crawl space contaminants during wind events. In Brighton’s exposed location, a typical return leak can pull in pounds of topsoil annually. After sealing, the only air entering your HVAC system passes through the filter you chose and maintain. Most Brighton homeowners we seal for report reduced dusting frequency and fewer allergy symptoms within the first season. Call (720) 799-2292 for a free estimate and camera inspection.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Denver, serving Brighton since 2013.




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