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 Scottsdale
Duct repair and sealing in Scottsdale typically runs $280-$750 for most residential jobs, with full-system resealing in larger North Scottsdale homes reaching $1,200-$2,400. Most appointments are scheduled within 3-5 business days, and every job starts with a written price before any panel comes off. Call (928) 267-0992 for a free estimate.
We serve Scottsdale from our Phoenix scheduling office, with crews working daily in neighborhoods from Old Town to DC Ranch to Troon. If your home is a seasonal residence that sat through another 150°F attic summer, or you’re a full-time resident tired of dust settling on furniture hours after cleaning, we document what we find before we recommend anything.
Why CleanRun Air Duct Cleaning Scottsdale Is Scottsdale’s Preferred Duct Repair & Sealing Company
We’ve worked in Scottsdale since 2013. That means we’ve crawled attics in Grayhawk when the plywood was too hot to touch, and we’ve traced leaks in 1970s ranch supply plenums south of Indian School Road where the original galvanized duct is finally giving out. Our Duct Repair & Sealing team knows the difference between a DC Ranch multi-zone system with six attic air handlers and a 1,400 sq ft Paradise Valley Village ranch with one.
Our license number is published on every page, not buried in a footer. Technicians are background-checked and uniformed under Haven Standard Clause 3: Verified Crews. Every job ends with a Documented Photo Record of every duct run, delivered as part of the standard job record. The 365-Day Done Right Promise is written on every invoice, not just stated in marketing copy. If the work is not right, we make it right.
We don’t do urgency theatre. We don’t do $79 coupons that balloon to $800 once the van is in your driveway. We do written prices, photographed results, and a Free Second Opinion on any competitor’s written estimate.
Our Duct Repair & Sealing Services in Scottsdale

Duct Sealing
Sealing in Scottsdale is not the same as sealing in Cleveland. Our attics hit 150-160°F for months, and that heat dries out mastic and foil-tape seals on trunk takeoffs faster than almost anywhere else in the country. In North Scottsdale’s 1990s-2010s custom homes, we regularly find multi-zone systems where three or four takeoffs are bleeding 150°F attic air into the supply, raising your energy bill and dumping particulate into every room. We reseal with fresh mastic rated for Arizona attic conditions, and we photograph every joint before and after.

Flex Duct Repair
Flex duct is the standard in Scottsdale’s newer construction, but it’s also the first thing to fail in our heat. The insulation breaks down. The liner sags at low points, especially in seasonal homes where the system barely runs all summer. We were called to a 6,200 sq ft semi-custom home in DC Ranch where the October return had the system running hard and the 55+ homeowners were waking up congested. Camera inspection showed the attic-mounted air handler’s flex duct liner sagging at two low points with caliche dust pockets, plus mastic failures at three trunk takeoffs bleeding 150°F attic air into the supply. We performed source removal under negative pressure with HEPA filtration, re-sealed the takeoffs with mastic, and replaced the sagged flex runs. The homeowners reported noticeably less dust on furniture within the first week.

Metal Duct Repair
South Scottsdale and the neighborhoods around Old Town still have original galvanized metal duct from the 1950s-1970s. It rusts at seams. It separates at joints. We’ve found supply plenums in McCormick Ranch homes where the original metal has pinhole corrosion from decades of monsoon humidity cycling through the system. We repair with matching gauge metal, seal with mastic, and insulate to current standards. No guesswork. No “it should be fine.”

Duct Insulation
Uninsulated or degraded duct insulation in a Scottsdale attic is like running your air through a sauna. We replace insulation with materials rated for sustained 160°F exposure, using professional-grade equipment from Abatement Technologies and Honeywell. In larger homes with long attic runs, proper insulation can be the difference between 72°F at the register and 78°F.

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.
Before
AfterTrusted Brands We Service in Scottsdale
We carry parts and use equipment from Rotobrush, Nikro, Honeywell, and Aprilaire. These are trade-recognized brands you can look up yourself, not proprietary tools with unverifiable claims. For Scottsdale customers, that means faster turnaround on repairs and replacements. We don’t order parts from a warehouse three states away and make you wait two weeks. Our crews stock common flex duct sizes, mastic, and sealants for the housing stock we actually see here: 6-inch to 14-inch flex for North Scottsdale custom homes, metal repair sleeves for Old Town ranches, and insulation rated for Arizona attic extremes.
Common Duct Repair & Sealing Problems We See in Scottsdale Homes

- Mastic failures at multi-zone takeoffs. North Scottsdale’s 1990s-2010s custom homes with multiple attic air handlers rely on mastic-sealed trunk takeoffs. After a decade of 150-160°F summers, that mastic is brittle and cracked. The leak only becomes obvious when the system runs hard in October, pulling 150°F attic air and caliche dust directly into your supply.
- Flex duct liner sag with caliche dust accumulation. In seasonal homes set to 85-90°F all summer, flex duct liners sag at low points where the attic air handler barely cycles. Sonoran dust settles in those sags. When snowbirds return and drop the thermostat to 72°F, those pockets are the first thing circulated through the home.
- Monsoon moisture in dormant ductwork. July-September humidity spikes introduce condensation into bone-dry ductwork in vacant Scottsdale homes. Nobody’s there to notice. By October, mold has colonized duct board or flex insulation, and the first hard run distributes spores through every room.
- Original galvanized duct deterioration in South Scottsdale ranches. Homes built 1950s-1970s around Old Town and south of Shea Boulevard often have original metal duct with seam separation, pinhole corrosion, or failed original tape. These systems weren’t designed for decades of Phoenix-metro heat cycling.
Pricing for Duct Repair & Sealing in Scottsdale, AZ
A typical flex duct repair in Scottsdale runs $280-$450 per run, including removal, replacement, and resealing at both ends. Mastic resealing of a standard single-zone trunk and branch system runs $380-$620. Full-system resealing in a 4,000-6,000 sq ft North Scottsdale multi-zone home runs $1,200-$2,400, depending on access and the number of attic air handlers. Metal duct repair starts at $340 for localized seam welding and sealing, with full plenum replacement in older homes reaching $800-$1,400.
What moves the number: attic access difficulty, number of zones, extent of insulation replacement needed, and whether we’re working around stored items in a seasonal home that hasn’t been cleared for crew access. We don’t do per-vent pricing. We don’t do teaser rates. We give one flat price per system, agreed in writing before work starts, under Haven Standard Clause 1. Every estimate is free. Bring a competitor’s written quote and we’ll put our number next to it, no charge.
| Service | Scottsdale Price Range |
|---|---|
| Flex duct repair (per run) | $280 - $450 |
| Mastic trunk/branch resealing (single zone) | $380 - $620 |
| Full multi-zone system resealing | $1,200 - $2,400 |
| Metal duct repair (localized) | $340 - $550 |
| Plenum replacement (older homes) | $800 - $1,400 |
We Also Serve Cities Near Scottsdale

Our crews work daily in Scottsdale and the surrounding communities: Paradise Valley to the west, Mesa to the east, Tempe to the south, and Phoenix proper to the southwest. Scheduling is coordinated from our Phoenix office, with route efficiency that keeps appointment windows predictable across the metro.
Serving Scottsdale, AZ - Our Local Coverage Area
We’re based in the Scottsdale 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 Scottsdale

Yes. The dormant-to-hard-run cycle is a genuine repair trigger unique to Scottsdale’s seasonal-home density. Your flex duct liner has sagged in 150°F+ attic heat all summer, collecting caliche dust at low points. Your mastic seals have dried and cracked. When you drop the thermostat to 72°F in October, the system immediately blasts five months of accumulated desert dust and potentially pulls 150°F attic air through failed seals. We recommend a pre-return inspection in September, with repair and sealing completed before you occupy. Call (928) 267-0992 to schedule.
It can, but only if leakage is the actual problem. Sealing stops your system from pulling unfiltered attic air into your supply. In Scottsdale’s 55+ communities, we often find that 15-25% of supply air is actually 150°F attic air through failed takeoff seals. That air carries dust, insulation particles, and whatever else is in your attic. Sealing eliminates that path. It does not eliminate pollen from open windows or pet dander. We photograph the leaks so you can see the difference between “sealing will help” and “the problem is elsewhere.” Call (928) 267-0992 for an inspection with documented photo results.
DC Ranch, Grayhawk, and Troon homes typically have 3-6 attic air handlers, complex zoning, and flex duct runs of 25-40 feet per zone. Job times run 6-10 hours, and we use Rotobrush and Nikro equipment sized for large-system negative-pressure extraction. Old Town ranches have single air handlers, shorter metal or early flex runs, and simpler access. Jobs run 2-4 hours. The failure modes differ too: DC Ranch sees mastic failures and flex sag; Old Town sees metal corrosion and original tape degradation. We price by system complexity, not square footage alone. Call (928) 267-0992 for a written estimate specific to your home.
Yes. All our repair and sealing work happens in attics, crawl spaces, and at mechanical rooms. We don’t cut drywall unless we find a buried junction box that requires access, and we’d document why and get written approval first. For 55+ residents and home-office workers, we schedule to minimize disruption and use HEPA-contained negative-pressure equipment so no dust enters living spaces during the work. Haven Standard Clause 4: Respect the Home. Call (928) 267-0992 to discuss scheduling that works for your routine.
Cleaning removes what’s already inside. Sealing stops new contamination from entering. If your dust problem returns within weeks of cleaning, you likely have supply-side leakage pulling attic air into the system. We see this constantly in Scottsdale’s seasonal homes and in North Scottsdale’s aging multi-zone systems. Our standard process: camera inspection first, documented photo record of what we find, then a written scope that separates “cleaning will address this” from “sealing is required or the problem returns.” Call (928) 267-0992 for an inspection that tells you which you actually need.
Ready to stop circulating attic dust through your Scottsdale home? Call CleanRun Air Duct Cleaning Scottsdale at (928) 267-0992 for a free, written estimate. Every quote includes a clear scope, one flat price per system, and no work starts until you approve both in writing. Ask about our Free Second Opinion if you have a competitor’s quote in hand.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Scottsdale since 2013.




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