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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AfterFast, Reliable Duct Repair & Sealing Across Federal Heights
Duct repair and sealing in Federal Heights typically runs $280-$680 for most homes, with full-system sealing on original 1960s galvanized runs landing toward the upper end. We’re usually on-site within two business days of your call, and scheduling is coordinated from our Denver office so crews serving Federal Heights don’t waste time crossing the metro.
If you live in a ranch home off 72nd Avenue or along the Federal Boulevard corridor, your ductwork is almost certainly original to the build. That means galvanized sheet metal with snap-lock seams and cloth-backed tape that has been drying out since the Johnson administration. We see it on every job. Our Duct Repair & Sealing team documents what we find with before-and-after photos of every run, and we put the written price in front of you before a single panel comes off. Call (720) 513-5159 to book.
Why CleanRun Air Duct Cleaning Aurora Is Federal Heights’s Preferred Duct Repair & Sealing Company
We’ve been serving Federal Heights since we opened in 2013, and the housing stock here has made us specialists in a very specific problem: 50-to-70-year-old galvanized duct systems that need sealing, not just cleaning. Federal Heights homeowners know the difference between vacuum noise and actual repair work because we show them - every duct run photographed, every seam documented, every price written down before we start.
Our crews are background-checked and uniformed under Haven Standard Clause 3: Verified Crews, and we identify technicians by name before they arrive. The 365-Day Done Right Promise applies to every Federal Heights job in writing, not as a verbal afterthought. We’ve served over 52,000 homes across the metro, and the photo record from each one is delivered as a standard deliverable, not an add-on. Free Second Opinion on any written estimate means you can bring us a competitor’s quote and we’ll put our number next to it, line by line.
Our Duct Repair & Sealing Services in Federal Heights
Duct Sealing
Duct sealing in Federal Heights is rarely optional. The original galvanized runs in these 1950s-1970s ranch homes were joined with snap-lock seams and cloth-backed tape that loses adhesion after decades of Colorado’s freeze-thaw cycling. We put the system under negative-pressure extraction (a sealed suction process that pulls debris from the ductwork while containing it), then seal open seams with mastic compound and re-tape with Guardsman foil tape. A typical Federal Heights duct sealing job runs $320-$580 depending on how many runs need attention and whether the plenum - the main distribution box connected to your furnace - also needs resealing.
Metal Duct Repair
Original galvanized sheet metal in Federal Heights homes doesn’t fail catastrophically; it fails slowly, through seam separation and pinhole corrosion at low points where condensation has collected for decades. We repair separated snap-lock seams with metal screws and mastic, replace rusted sections with matching 26-gauge galvanized stock, and reinforce plenum connections that have worked loose from blower vibration. Metal duct repair in Federal Heights typically costs $180-$420 per run, with whole-system repairs on larger ranches running $480-$780.
Flex Duct Repair
Flex duct - the insulated flexible tubing used in some later additions and retrofits - isn’t common in original Federal Heights construction, but we find it in converted garages, finished basements, and additions off the original plenum. Flex duct crushes easily in tight crawl spaces and can detach from metal collars when tape ages out. We replace damaged flex with new R-6 or R-8 insulated runs, secure connections with metal clamps (never tape alone), and support with strapping to prevent sagging. Flex duct repair in Federal Heights runs $140-$340 per section.
Mastic Sealant Application
Mastic is a thick, water-based sealant brushed or sprayed onto duct joints that cures to a flexible, durable seal. In Federal Heights, we apply mastic to every accessible joint after cleaning, especially at the plenum and trunk-line connections where pressure is highest. Unlike tape alone, mastic fills gaps and irregularities in aged metal. We also use mastic to seal around register boots where they penetrate drywall or flooring. Mastic application as part of a sealing package adds $80-$160 to a typical Federal Heights job.
Duct Insulation
Uninsulated or poorly insulated ductwork in Federal Heights crawl spaces loses conditioned air to the ground and pulls in unconditioned air through every leak. We wrap repaired and sealed runs with formaldehyde-free fiberglass insulation, secured with mechanical fasteners and sealed with vapor-barrier tape. Duct insulation in Federal Heights runs $4-$7 per linear foot, with most single-story ranches needing 40-80 feet of trunk and branch coverage.
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.
BeforeAfterTrusted Brands We Service in Federal Heights
Our equipment roster includes Rotobrush agitation systems for source removal inside metal runs, Nikro negative-pressure extractors for containment during cleaning, and Honeywell media filters and air cleaners we install when the duct system itself is tight but the homeowner needs better filtration. We stock Guardsman foil tape and mastic compound on every Federal Heights truck, so sealing work starts the same day we find the leaks - no return visit, no delay. Every brand we name is one you can look up independently; we don’t expect trust, we document and let you verify.
Common Duct Repair & Sealing Problems We See in Federal Heights Homes
- Open snap-lock seams in crawl-space runs. The original galvanized supply lines routed through low crawl spaces beneath Federal Heights ranches have had their seams worked open by decades of freeze-thaw cycling. Once open, they pull soil dust, rodent debris, and unfiltered crawl-space air directly into your supply stream every time the blower kicks on.
- Dead cloth-backed and mastic tape at joints. Joint tape applied in the 1960s and 1970s has dried, cracked, and peeled away from the metal. These aren’t surface blemishes; they’re measurable leaks that a cleaning alone will not close, and they’re present in virtually every original system we inspect in Federal Heights.
- Disconnected or crushed runs hidden from view. Low, uninsulated crawl spaces in Federal Heights ranch homes often contain duct sections that have detached from the plenum or been crushed by storage, maintenance activity, or settling. We find these only when the system is under negative pressure during cleaning, which makes the leak audible and measurable.
- Plenum separation from the furnace cabinet. The sheet-metal box that distributes air from your furnace to the trunk lines can work loose from vibration and thermal cycling. In Federal Heights’s older systems, this gap is often large enough to see daylight through - and it’s pulling unfiltered air from the utility closet or basement into every room in the house.
Pricing for Duct Repair & Sealing in Federal Heights, CO
| Service | Typical Range in Federal Heights |
|---|---|
| Single-run metal duct repair | $180-$340 |
| Whole-system duct sealing (avg. ranch) | $320-$580 |
| Plenum resealing/reconnection | $200-$380 |
| Mastic application (full system) | $80-$160 add-on |
| Duct insulation (per linear foot) | $4-$7 |
| Flex duct replacement (per section) | $140-$340 |
| Comprehensive repair + seal package | $480-$780 |
What moves a Federal Heights job toward the higher end: more than four individual runs needing attention, plenum work, accessibility issues in tight crawl spaces, or the discovery of disconnected sections that require reconnection and support. What keeps it lower: targeted sealing of accessible trunk lines and registers, good existing access panels, and systems that have had some prior maintenance. We deliver the written price before work starts, every time, under Haven Standard Clause 1. No per-vent pricing, no coupon bait. Call (720) 513-5159 for a free estimate.
We Also Serve Cities Near Federal Heights
Our crews work throughout the north Denver metro, including Federal Heights, Aurora, Denver, Centennial, and Stonegate. Scheduling is coordinated from our Denver office, and we route technicians by neighborhood to keep arrival times predictable.
Serving Federal Heights, CO - Our Local Coverage Area
We’re based in the Federal Heights 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 Federal Heights
Because your ductwork is original 1960s or 1970s galvanized metal with dried, cracked joint tape and likely open snap-lock seams that a cleaning does not close. In Federal Heights, nearly every home was built in the same two-decade window, so there is no newer-build inventory where sealing is optional; the cleaning removes the debris, and the sealing closes the pathways that let it back in. Call (720) 513-5159 and we’ll show you exactly where your system is leaking.
On a ranch home off the Warren/Elati corridor, our tech ran a camera inspection and found the original galvanized supply run through the low crawl space had its snap-lock seams worked open by decades of freeze-thaw, pulling soil dust up from beneath the slab. We put the system under negative pressure, did source removal with agitation tools, then sealed the open seams with mastic and re-taped the cloth-backed joints with Guardsman foil. The homeowner’s supply registers stopped puffing that fine brown grit every time the blower motor kicked on. That pattern is typical for the corridor.
They can almost always be sealed. Galvanized steel ductwork has no practical lifespan limit; it fails at joints and connections, not as a material. We replace individual rusted sections when we find them, but full replacement is rare in Federal Heights unless the system has been physically crushed or extensively modified with incompatible materials. A written inspection will tell you which category you’re in. Call (720) 513-5159 for a free estimate.
Because your filter only cleans the air that passes through it, and open duct seams in your crawl space or attic are pulling in unfiltered air from those areas after the filter. In Federal Heights’s older homes, the combination of degraded joint tape and Colorado’s high particulate load means your blower is drawing dust from beneath the house, not just through the return. Sealing the leaks is what stops it. Call (720) 513-5159 and we’ll measure the leakage and show you the photo record.
It means we routinely encounter systems that have never been professionally serviced, with multiple decades of accumulated debris and joint failure that would have been caught and corrected in owner-occupied homes with regular maintenance. The work itself is standard; the scope is often larger because the degradation has progressed further. We document everything with photos, deliver a written scope and price before starting, and back it with the 365-Day Done Right Promise so the accountability is clear regardless of how long the system was neglected. Call (720) 513-5159 to schedule.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Federal Heights since 2013.