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 Plano
Most Plano homes built between 1975 and 2000 are running on flex-duct systems that have spent three decades in attics topping 150°F every July and August. When the inner liner cracks or the insulation wrap degrades, you’re not just losing conditioned air to the attic - you’re pulling fiberglass and blown-in insulation straight into your supply vents. Our Duct Repair & Sealing crews serve Plano from our Dallas-Fort Worth office, and we schedule most repair visits within 48 hours of your call. Phone us at (469) 405-6133 for a free written estimate before any work starts.
Why CleanRun Air Duct Cleaning Dallas Is Plano’s Preferred Duct Repair & Sealing Company
We’ve been in Plano homes since 2013, and the pattern is consistent: original flex duct from the 1980s and 1990s is reaching end-of-life simultaneously across entire neighborhoods. Our crews know what to look for because we’ve documented it - torn liners at joist crossings in East Plano, disconnected returns in the Prestonwood area, collapsed supply runs in Willow Bend. Every visit produces a photo record of what we found, not a verbal summary.
Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. The 365-Day Done Right Promise applies to every Plano job in writing, not as a footnote. And if you’ve already received a written estimate from another company, we provide a Free Second Opinion at no cost, with our number next to theirs.
Calls are answered by a live person, 24/7. No automated queue for emergency scheduling.
Our Duct Repair & Sealing Services in Plano

Flex Duct Repair
Plano’s dominant housing stock - slab-on-grade tract homes with flex duct routed through unconditioned attics - makes this our most common repair. The inner plastic liner degrades after decades of thermal cycling; the insulation wrap separates and allows attic air to mix with conditioned air. We replace failed sections with new flex duct, secure it with mastic-sealed connections (not tape alone, which fails in Plano’s attic heat), and support it properly at joist crossings to prevent the crush-and-tear cycle from repeating. In East Plano’s older grid, we regularly find sections where the liner has partially collapsed entirely, creating a direct path for insulation fiber to enter the supply stream.

Mastic Sealant Application
Metal duct connections and plenum seams in Plano’s 30-to-45-year-old systems have had decades to work loose from vibration and thermal expansion. Mastic is a fiber-reinforced sealant brushed onto joints and cured to a flexible, permanent bond - it outlasts foil tape by years in attic conditions. We apply it to every accessible connection after repair work, and we photograph the sealed joints as part of your documented job record. This is standard on every Plano repair, not an upsell.

Air Leak Repair
Disconnected ducts in Plano attics often go unnoticed because the system still “works” - it just works inefficiently, short-cycling attic air and driving up cooling bills through June, July, and August. We pressure-test the repaired system to verify sealed performance, and we document the before-and-after leakage rates in your job file. A typical Plano home with 1980s-era ductwork loses 20-35% of conditioned air to leaks before it reaches the registers; after proper sealing, we target under 10%.

Duct Insulation Replacement
When the outer insulation wrap on Plano’s attic flex duct has degraded or been compromised by rodent activity, R-value drops and condensation forms on the metal core during cooling season. We replace damaged insulation with new wrap rated for North Texas attic conditions, sealed with proper vapor barriers. This matters in Plano’s extended cooling season - systems run six to eight months annually, and uninsulated or poorly insulated ducts sweat into attic framing.

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 Plano
Our equipment roster includes Nikro negative-pressure extractors, Honeywell media filters and zone controls, and Aprilaire whole-home air cleaners - brands you can verify independently before agreeing to any scope of work. We stock common flex duct diameters, mastic compounds, and connection hardware locally, so most Plano repairs don’t wait on parts. For specialized components, our Dallas-Fort Worth office maintains same-day supply relationships with regional distributors. We name what we use because Haven Standard Clause 1 requires written transparency: you see the equipment list, the labor scope, and the total price before a single panel comes off.
Common Duct Repair & Sealing Problems We See in Plano Homes

- Collapsed flex duct at attic joist crossings. Decades of thermal cycling in 150°F+ Plano attics hardens the inner liner and causes it to tear where the duct rests on framing. We find this repeatedly in East Plano’s older neighborhoods - the failure is invisible from the register end and easy to miss if the technician doesn’t walk the full attic run.
- Open wall-cavity returns in 1970s-1980s builds. Many Plano homes use stud bays lined with drywall as return-air plenums instead of ducted returns. These cavities accumulate decades of wall debris, and they’re frequently missed during cleaning visits unless someone specifically inspects and seals the stud-bay junctions with the main trunk.
- Insulation fiber infiltration from degraded wrap. When the outer insulation jacket separates from the inner liner, blown-in attic insulation gets pulled into the airstream by the blower’s negative pressure. We document this with pre-repair photos - fiberglass dust on the blower wheel, insulation packed at register boots - and we replace the failed section rather than clean around it.
- Disconnected supply and return joints. Vibration and thermal expansion loosen connections over 30+ years. In Plano’s climate, the expansion-contraction cycle runs twice daily through summer - morning cool-down, afternoon heat spike - accelerating joint failure. Mastic-sealed repairs hold through that cycle.
Pricing for Duct Repair & Sealing in Plano, TX
We publish ranges because Haven Standard Clause 1 requires a written price before work starts - every job, no exceptions.
| Service | Typical Range in Plano |
|---|---|
| Single flex duct section repair/replacement | $280 - $450 |
| Mastic sealant application (full accessible system) | $650 - $1,100 |
| Air leak repair and connection restoration | $340 - $620 |
| Duct insulation replacement (per run) | $190 - $340 |
| Wall-cavity return sealing and remediation | $420 - $780 |
Factors that move the needle: attic accessibility, extent of degraded material, whether the air handler location requires additional access work, and whether multiple failure modes are present (common in Plano’s oldest systems). We inspect, photograph, and deliver a written scope with a single total price - not a per-vent formula that grows on arrival. Call (469) 405-6133; estimates are free.
We Also Serve Cities Near Plano

Our crews work Duct Repair & Sealing in Plano and surrounding communities regularly - Richardson to the south, Carrollton to the west, Garland to the southeast, and Rowlett to the east. Scheduling is coordinated from our Dallas-Fort Worth office, with route efficiency that keeps travel time minimal and appointment windows reliable.
Serving Plano, TX - Our Local Coverage Area
We’re based in the Plano 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 Plano

Visible insulation fiber at your registers, uneven cooling between rooms, and a blower wheel coated in fiberglass dust are the three most reliable indicators. We document all three with pre-repair photos - if your ducts are merely dirty, we’ll show you that too, and you can decide whether cleaning or repair is the appropriate scope. Call (469) 405-6133 for an inspection and written estimate.
If your home was built before 1990 in Plano, there’s a significant chance your return air travels through unlined stud bays rather than metal or flex duct. You can check by removing a return register and shining a light into the cavity - bare wood studs and drywall backing confirm it. These cavities collect wall debris for decades and require specific sealing at the plenum junction to prevent bypass air; we inspect and document this as part of every Plano repair assessment.
Plano’s housing stock is 20-30 years older on average. Frisco and McKinney grew primarily in the 2000s-2010s with duct materials that haven’t yet faced decades of 150°F+ attic exposure. Plano’s 1980s-1990s flex duct has simply had more thermal cycles, and the inner plastic liners of that era degrade predictably after 30-45 years. The fix is repair and sealing, not another cleaning that ignores the structural failure.
Sealing alone is rarely sufficient in Plano’s oldest systems because the debris load is usually substantial - decades of accumulation in collapsed sections, wall-cavity returns, and disconnected joints. We perform source removal with agitation tools under negative pressure and HEPA filtration (Nikro equipment) before sealing, so we’re not trapping contamination behind new mastic. Your written scope specifies both phases if both are needed; we don’t guess.
Yes. Mountain cedar from December through February, oak and elm in spring, and ragweed in fall create a nearly year-round particulate load in North Texas. When Plano’s degraded ductwork pulls attic insulation fiber and accumulated debris into the airstream, the HVAC system becomes a distribution mechanism for irritants rather than a filter. Properly sealed, intact ductwork containing a clean air stream is the only way to break that cycle. We document the before-and-after condition so you can verify the change. Call (469) 405-6133 to schedule.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Dallas, serving Plano since 2013.




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