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 Richardson
Duct repair and sealing in Richardson typically costs $280-$750 for most residential jobs, with full system replacements on older homes running $1,800-$3,400. Our crews are dispatched from our Dallas-Fort Worth office and serve Richardson neighborhoods directly, carrying the equipment to handle everything from mastic sealant touch-ups to complete flex duct rebuilds in a single visit. Call (940) 240-8552 for a written estimate before any work begins.
We’ve worked the ranch homes and split-levels from Canyon Creek to the Arapaho Road corridor long enough to know what the original ductwork looks like before we open the first panel. Richardson’s housing stock is specific, and the failures are predictable once you’ve seen enough of them.
Why CleanRun Air Duct Cleaning Lewisville Is Richardson’s Preferred Duct Repair & Sealing Company
Our Duct Repair & Sealing team has documented photo records from over 1,200 Richardson homes since 2013, and the pattern is consistent: neighborhoods built for the Telecom Corridor workforce in the 1960s through 1980s are hitting critical duct failure age all at once. The reviews we receive from Richardson customers mention the same two things - the written price they got before anyone touched a tool, and the photos they received showing what was actually inside their ducts.
Response time to Richardson averages same-week scheduling, with most inspections booked within 48 hours of call. We don’t play dispatch games. A live person answers (940) 240-8552 around the clock, and the technician who arrives will be background-checked, uniformed, and identified by name before they step out of the van - Haven Standard Clause 3: Verified Crews.
What separates our work in Richardson is local specificity. We know which Breckinridge ranches still run original 1970s fiberglass duct board, and we know what 150°F+ attic heat does to that material after fifty summers. That knowledge changes what we bring to the job and what we quote.
Our Duct Repair & Sealing Services in Richardson
Duct Sealing
Most Richardson homes we inspect leak 20-35% of conditioned air into the attic before it reaches the registers. The culprit is rarely a single dramatic tear - it’s dozens of micro-gaps at collar connections, plenum seams, and register boots that have worked loose as Blackland Prairie clay shifted the slab foundation over wet winters and baked summers. Our duct sealing protocol uses mastic sealant (a water-based, fiber-reinforced compound that remains flexible after curing) at every joint, plus mechanical reinforcement where thermal cycling is severe. In Canyon Creek ranches, we typically find the worst leakage concentrated at the main trunk connection to the air handler, where decades of vibration and heat have degraded the original tape. Sealing alone often drops utility bills measurably and restores airflow to starved back bedrooms.
Flex Duct Repair
Early flex duct installed in Richardson’s 1970s and 1980s housing stock was not built for the thermal stress this climate delivers. We’ve replaced crushed, kinked, or fully separated flex runs in homes near Arapaho Road where the original plastic liner has become brittle and the insulation has compressed to half its R-value. Our flex duct repair uses insulated, reinforced flex with sealed inner cores, sized to match the original CFM design. Every replacement is photographed before and after, and the static pressure reading at the air handler is recorded - you’ll see the improvement in the job documentation.
Metal Duct Repair
Where Richardson homes have galvanized metal trunk lines (more common in late-1970s split-levels and two-story additions), we see rust-through at low points where condensation has pooled, and separated seams where expansion and contraction have broken the original sealant bead. Metal duct repair involves cutting out degraded sections, fabricating replacement pieces from matching galvanized stock, and sealing with mastic plus mechanical fasteners. Unlike tape-based repairs that fail within a season, our metal repairs are built to survive the next decade of North Texas temperature swings.
Mastic Sealant Application
Mastic is the standard of care for durable duct sealing, and it’s particularly critical in Richardson’s climate. Foil tape degrades; mastic flexes. We apply mastic with a brush or caulking tool at every joint, collar, and penetration, then verify seal integrity with a pressure test. On older systems with extensive leakage, mastic sealant is often the difference between a $380 sealing job and a $2,200 replacement - we document which path makes sense and quote both when relevant.
Duct Insulation
When attic ductwork in Richardson has lost its insulation jacket to rodent damage, compression, or simple thermal breakdown, we install new insulation wraps or replace the run entirely depending on condition. The goal is maintaining supply air temperature from the plenum to the register - in a 150°F attic, every degree matters.
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 Richardson
Our equipment roster includes Rotobrush mechanical agitation systems for debris removal, Nikro HEPA-filtered negative-pressure extractors, and Honeywell and Aprilaire air quality components for integration with your existing HVAC controls. We stock common duct repair materials - flex duct, collars, mastic, mechanical fasteners - so Richardson jobs aren’t delayed waiting for parts. If your system uses specific Honeywell zoning panels or Aprilaire media cleaners, we document compatibility before quoting any modification.
Common Duct Repair & Sealing Problems We See in Richardson Homes
- Delaminated 1970s fiberglass duct board shedding glass fibers. In Canyon Creek and Breckinridge ranch homes, we regularly open returns to find original fiberglass duct board that has separated internally, releasing glass fibers past the filter and into living spaces. The 150°F+ attic temperatures these homes experience every summer accelerate this failure far beyond what the same material would suffer in a milder climate.
- Early flex duct sagging and separating at collars. After 40-50 years of thermal cycling, flex duct in Richardson’s older neighborhoods has often kinked behind walls or pulled loose at connection points, dropping static pressure and starving back bedrooms of conditioned air.
- Blackland Prairie clay soil movement stressing register boots and attic connections. Richardson’s expansive clay shifts significantly between wet winters and parched summers, cumulatively loosening register boots in slab-on-grade homes and opening gaps where conditioned air leaks into the attic.
- Plenum seams and trunk connections degraded by vibration and heat. The constant operation of HVAC systems from May through October means plenum seams and main trunk connections in Richardson homes work harder than in cities with shorter cooling seasons, breaking down original sealant and tape.
Pricing for Duct Repair & Sealing in Richardson, TX
Most residential duct sealing jobs in Richardson run $280-$550 for a single system with accessible attic ductwork. Flex duct repair or replacement of individual runs typically falls between $180-$340 per run depending on length and accessibility. Full system replacement on a ranch-style home with degraded fiberglass duct board - common in Canyon Creek and Breckinridge - generally ranges $1,800-$3,400 including removal, rebuild in modern materials, sealing, and documentation.
Factors that move the number: attic accessibility (tight truss spaces add labor), extent of degradation (partial repair versus full replacement), and whether register boots or plenum work is needed. Every quote is delivered in writing before work starts - Haven Standard Clause 1 - with no per-vent pricing tricks or teaser rates that balloon on arrival. We also offer a Free Second Opinion on any competitor’s written estimate; bring it in and we’ll put our number beside it.
| Service | Richardson Price Range |
|---|---|
| Basic duct sealing (single system) | $280-$550 |
| Flex duct repair/replacement (per run) | $180-$340 |
| Metal duct section replacement | $220-$480 |
| Mastic sealant application (full system) | $320-$620 |
| Full duct system replacement (ranch home) | $1,800-$3,400 |
Call (940) 240-8552 for a written estimate - estimates are free, and the price you receive is the price you pay.
We Also Serve Cities Near Richardson
Our crews work Duct Repair & Sealing in Richardson and surrounding communities including Plano, Carrollton, Allen, and Dallas. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, with local routing that keeps Richardson jobs on regular rotation.
Serving Richardson, TX - Our Local Coverage Area
We’re based in the Richardson 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 Richardson
These neighborhoods were built in the 1960s-1980s with original fiberglass duct board and early flex duct that has now endured 40-50 years of 150°F+ attic temperatures - a thermal stress that degrades materials far faster than in milder climates or newer construction with better insulation and modern duct standards. The combination of age and extreme heat creates failure modes, like internal delamination and glass fiber shedding, that simply don’t occur in 2000s-era housing. Call (940) 240-8552 for an inspection if your home dates to this era.
The most reliable indicator is visible fiber dust accumulating on registers and nearby surfaces, especially after the system cycles on - this material passes through standard filters because the fibers are smaller than the filter media is designed to capture. A musty or chemical odor when the blower engages can also signal degraded duct board. We confirm the source with camera inspection and document it photographically before recommending repair or replacement. Call (940) 240-8552 for a camera inspection - estimates are free.
Yes. The highly expansive Blackland Prairie clay beneath Richardson shifts significantly between wet winters and parched summers, stressing slab-on-grade foundations and the register boots seated in them. Over years, this movement opens gaps at boot-to-floor connections and loosens attic duct supports, creating leakage paths that don’t exist in homes on more stable soils. Our repair protocol includes inspecting and resealing register boots as standard practice in Richardson jobs. Call (940) 240-8552 to schedule.
Cleaning removes accumulated debris - dust, allergens, construction residue - from inside the duct runs. Sealing repairs the physical gaps and degradation that allow that debris to enter and conditioned air to escape. In a 1970s Richardson ranch with delaminated fiberglass duct board, cleaning alone is temporary; the damaged material continues shedding particles and leaking air until the physical failure is repaired. We typically recommend both, documented with before-and-after photos of the debris removal and the sealed joints. Call (940) 240-8552 for a scope that addresses both.
Most sealing jobs on single-system ranch homes in Richardson are completed in 4-6 hours; full system replacements with degraded fiberglass duct board typically require a full day. We schedule accordingly and confirm arrival windows the evening before. Every job concludes with a Documented Photo Record of every duct run, delivered as part of the standard job record. Call (940) 240-8552 to book - estimates are free, and the written price is agreed before any work starts.
Ready to see what your ducts actually look like? Call CleanRun at (940) 240-8552 for a free written estimate. We’ll show you the photos before we quote the work, and every job is backed by our 365-Day Done Right Promise - in writing, not as a policy subject to manager approval.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Richardson since 2013.