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 Carrollton
Duct repair and sealing in Carrollton typically runs $280-$680 for most single-family homes, with flex duct replacement and boot resealing jobs clustered in the middle of that range. Our crews work Carrollton daily, dispatching from our Dallas-Fort Worth office, and we carry the common flex duct sizes, mastic, and boot hardware needed for the area’s dominant 1975-1995 housing stock on every truck. Call (940) 240-8552 for a written estimate before any work starts.
We’ve been in enough Carrollton attics to know the pattern: original flex duct laid when Jimmy Carter was president, now brittle and delaminating after 30-45 years of North Texas heat cycling. The city’s slab-on-grade brick homes, concentrated in neighborhoods like Indian Creek, Carrollton Highlands, and the older sections near Josey Lane, share the same vulnerability. Clay soil shifts. Boots rack. Attic air gets pulled straight into the supply stream. We document what we find with before-and-after photos of every duct run, and we put the repair scope and price in writing before a panel comes off.
Why CleanRun Air Duct Cleaning Lewisville Is Carrollton’s Preferred Duct Repair & Sealing Company
Carrollton homeowners have written the bulk of our local reviews, and they tend to mention the same things: the technician showed the photo of the torn flex liner before quoting a price, the written estimate matched the final invoice, and the after-photos proved the work happened inside the ducts, not just near the registers. That pattern matters in a market where $79 duct-cleaning coupons still flood mailboxes.
Our response time to Carrollton averages same-week scheduling, with most repair calls booked within two to four days. We don’t manufacture urgency. We do answer our phones with a live person, 24/7, and our background-checked, uniformed crews operate under Haven Standard Clause 3: Verified Crews. Tomas Reyes, our owner, has required published license numbers and documented photo records on every job since CleanRun’s first year in 2013.
The local knowledge runs deeper than zip codes. We know which Carrollton subdivisions built during the 1980s oil boom used thin-walled flex duct that fails faster, and which ones near the Elm Fork greenbelt see heavier pollen loading that accelerates particulate buildup at torn liner seams. That specificity changes what we stock on the truck and what we warn homeowners to watch for.
Our Duct Repair & Sealing Services in Carrollton
Flex Duct Repair
Flex duct repair is our most common call in Carrollton, and for obvious reasons. The city’s 1975-1995 build-out installed millions of linear feet of insulated flex duct in attic spaces that now exceed 140°F for five months each year. After three decades, the inner polyethylene liner delaminates and sheds fiberglass into the airstream. We replace collapsed or torn flex runs with new R-6 or R-8 insulated duct, sized to match the original CFM design, and we photograph the damage before removal and the new installation after. Equipment on these jobs includes Rotobrush inspection systems and Nikro negative-pressure extractors.
Air Leak Repair
Air leak repair in Carrollton often means boot resealing, not just tape replacement. The Blackland Prairie clay beneath Carrollton slabs swells in wet winters and shrinks in drought summers, racking register boots out of square and opening gaps between the duct boot and the drywall opening. We got a call from a two-story brick-veneer home off Josey Lane where the upstairs supply registers were blowing attic-hot air every afternoon. Camera inspection showed a collapsed flex run crushed under blown-in insulation and a boot pulled a half-inch off the drywall as the slab shifted over the clay; we re-sealed the boot with mastic, replaced the torn flex duct, and the supply temps dropped back to normal. Every gap gets sealed, every repair gets photographed.
Mastic Sealant Application
Mastic sealant outperforms foil tape in Carrollton attics because it remains flexible across the temperature swing from winter lows to 140°F+ summer peaks. We brush mastic onto plenum seams, collar connections, and longitudinal duct joints after cleaning the surface to bare metal or board. The application is messy, slow, and permanent. We include mastic sealing as standard on any plenum or metal duct repair, and we photograph the coated seams before the insulation goes back. No shortcuts with tape that will cook off in August.
Metal Duct Repair
Metal duct repair in Carrollton typically involves older homes near the original downtown grid or commercial conversions along Belt Line Road. Rust-through at low points, separated longitudinal seams from thermal expansion, and failed snap-lock connections are the usual failures. We cut out damaged sections, fabricate replacements from galvanized sheet metal, and seal with mastic and mechanical fasteners. For duct-board plenum systems common in 1980s Carrollton construction, we assess whether localized repair or full plenum replacement is the durable fix, and we put both options in writing with prices.
Duct Insulation
Duct insulation replacement becomes necessary when the outer vapor barrier on flex duct has degraded or when attic condensation has saturated the fiberglass batt. In Carrollton’s humidity-plus-heat environment, compromised insulation drives up cooling load and can trigger condensation drip that stains ceilings below. We install new wrapped insulation with intact vapor barriers, sealed at all seams, and we verify R-value compliance with the original system design.
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 Carrollton
Our equipment roster includes Rotobrush for duct interior inspection and mechanical agitation, Nikro for negative-pressure containment during repair work, and Honeywell and Aprilaire components for filtration and zoning upgrades that often accompany duct sealing jobs. We stock common flex duct diameters, boot sizes, and mastic compounds needed for Carrollton’s housing stock on every service vehicle, which means most repairs don’t wait for a parts run. If your system uses a specific register, damper, or collar brand, we’ll match it or document why a substitute performs better.
Common Duct Repair & Sealing Problems We See in Carrollton Homes
- Delaminated flex duct liners. Original flex duct from the 1980s and 1990s has reached end of life in Carrollton attics. The inner liner turns to powder, and the fiberglass insulation layer sheds directly into the supply airstream. Camera inspection shows the damage clearly; replacement is the only durable fix.
- Boot separation from slab movement. Carrollton’s clay soil swells and shrinks seasonally, racking register boots out of square and pulling them away from drywall openings. The gap pulls 140°F attic air, dust, and blown-in insulation fibers into living spaces. Mastic resealing and mechanical reinforcement corrects the separation.
- Collapsed flex runs under insulation. Decades of foot traffic during HVAC service calls, plus the weight of additional blown-in insulation added over time, crush flex duct flat in Carrollton attics. Airflow drops. Rooms don’t cool. We replace the collapsed section and support the new run properly.
- Shared dryer vent lint accumulation in multi-unit buildings. Dense Carrollton apartments and condos near Marsh Lane and the Trinity Mills corridor often route dryer vents through common stacks. One clogged lint pathway traps moisture and heat for multiple units, accelerating duct deterioration and creating fire risk. We inspect shared runs with camera systems and coordinate access with building management.
Pricing for Duct Repair & Sealing in Carrollton, TX
Most single-family duct repair and sealing jobs in Carrollton fall between $280 and $680. Here’s how that breaks down:
| Service | Typical Range in Carrollton |
|---|---|
| Register boot resealing (1-2 boots) | $180-$320 |
| Flex duct repair/replacement (single run) | $260-$450 |
| Full duct sealing with mastic (typical home) | $480-$680 |
| Duct-board plenum repair or replacement | $520-$890 |
| Multi-unit shared dryer vent cleaning + inspection | $340-$580 per stack |
What moves the price: accessibility (crawl space vs. walkable attic), extent of liner damage, whether the plenum itself has degraded, and how many boots need resealing. We deliver a written price before any work starts, every time, under Haven Standard Clause 1. No per-vent add-ons. No post-arrival upsells. Bring a competitor’s written estimate and we’ll provide a free second opinion, our number next to theirs.
We Also Serve Cities Near Carrollton
Our Duct Repair & Sealing in Carrollton crews also work regularly in Richardson, Lewisville, Plano, and Grapevine. The same documented photo record, written upfront pricing, and 365-Day Done Right Promise apply across the full service area. Scheduling is coordinated from our Dallas-Fort Worth office.
Serving Carrollton, TX - Our Local Coverage Area
We’re based in the Carrollton 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 Carrollton
Hot attic air at the register usually means a separated boot or torn flex duct, not dirty ducts. In Carrollton, clay-soil foundation movement racks register boots out of square, opening gaps that pull 140°F attic air directly into the supply stream. Cleaning won’t seal a gap. Camera inspection locates the separation, and boot resealing with mastic stops the attic air intrusion. Call (940) 240-8552 for a written estimate - estimates are free.
Original flex duct from the 1980s has typically reached end of life in Carrollton’s attic conditions. After 30-45 years of 140°F+ summer cycling, the inner liner delaminates and the insulation layer sheds fiberglass into the airstream. Cleaning removes debris but doesn’t restore structural integrity. We photograph the liner condition during inspection and put replacement scope and price in writing if the duct is failing. Call (940) 240-8552 to schedule camera inspection.
We coordinate directly with property management for access to mechanical rooms, roof hatches, and parking clearance for our service vehicles. Shared systems in Carrollton multi-unit buildings require documented notification to affected residents per building protocol, and our crews carry the portable equipment needed for tight mechanical spaces. The same documented photo record and written pricing apply; we just schedule around building access constraints. Call (940) 240-8552 to discuss your building’s specific requirements.
Failed duct-board plenums show crumbling fiberglass board at seams, disintegrated tape, and visible dust blow-out at connection points. In Carrollton’s 1980s homes, these plenums were often fabricated on-site from 1-inch or 2-inch duct board and have degraded from decades of thermal cycling and moisture exposure. Camera inspection reveals the debris source; replacement with a new fabricated or pre-insulated plenum is typically the durable repair. We photograph the failure and deliver before-and-after documentation as part of every job.
Shared dryer vent stacks should be inspected and cleaned, not sealed, since they need to exhaust moist air. Sealing would trap lint and moisture, creating fire risk and accelerating duct deterioration. In Carrollton’s multi-unit buildings, we inspect the full stack with camera systems, remove lint accumulation, verify proper termination, and document the condition for building management. If the stack itself has separated seams, we seal those specific leaks with proper materials while maintaining exhaust airflow. Call (940) 240-8552 for stack inspection pricing.
Ready to stop blowing attic air through your registers? Call (940) 240-8552 for a written estimate on duct repair and sealing in Carrollton. We’ll show you what the camera sees, put the scope and price in writing before any work starts, and leave you with a documented photo record of every duct run we touched. Every job is backed by our 365-Day Done Right Promise, and every technician is background-checked, uniformed, and identified by name before arrival.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Carrollton and the Dallas-Fort Worth metro since 2013.