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 Garland
Duct repair and sealing in Garland typically runs $280-$890 for most homes, with full system re-sealing on a 1,200-1,800 sq ft ranch landing in the $450-$720 range. Most jobs take a half day, and we dispatch crews from our Dallas-Fort Worth office with Garland-specific parts already on the truck. Call (682) 297-4068 for a written estimate before any work starts.
We’ve worked in Garland since 2013, and by now we know the pattern: a homeowner in South Garland or east of downtown calls for duct cleaning, and our camera finds the real problem isn’t debris - it’s disconnected runs, crumbled fiberglass liner, and sixty-year-old duct tape turning to dust in a 150°F attic. That’s why our Duct Repair & Sealing team treats sealing as the fix, not an add-on.
Why CleanRun Air Duct Cleaning Irving Is Garland’s Preferred Duct Repair & Sealing Company
CleanRun has served more than 52,000 homes since 2013, and a significant share of those have been in Garland’s post-war neighborhoods. Our crews know the difference between a 1962 ranch off Broadway Blvd and a 1978 split-level near Firewheel Town Center - the duct materials changed, the slab conditions changed, and the failure modes changed with them.
Our reviews from Garland homeowners consistently cite the same thing: the photo record. Every duct run, before and after, delivered as a standard job document. Not a marketing promise - a concrete deliverable you can forward to your home inspector or HVAC contractor.
Dispatch to Garland runs same-day or next-day depending on slot availability. We don’t manufacture urgency. We answer calls with a live person 24/7, schedule a window that works, and show up in a marked van with a background-checked, uniformed technician identified by name before arrival - Haven Standard Clause 3: Verified Crews.
The local knowledge matters because Garland’s housing stock is genuinely different from Plano’s or Frisco’s. Our Duct Repair & Sealing in Garland crews carry mastic, foil-faced insulation, and flex duct in the diameters common to 1960s-1970s installs - 6-inch and 8-inch round, not the 10-inch and 12-inch found in newer construction. That saves a trip and a day.
Our Duct Repair & Sealing Services in Garland

Duct Sealing
Most Garland homes we enter have never had their ducts properly sealed. The original foil tape or cloth-backed duct tape has dried and lifted in decades of attic heat, and the Blackland Prairie clay beneath the slab has worked joints loose through seasonal swell-shrink cycles. Our duct sealing service starts with a pressure test to quantify leakage, then re-seals every joint, saddle connection, and register boot with mastic sealant - a water-based compound that remains flexible and is rated for HVAC applications where tape fails. A typical whole-system seal on a Garland ranch runs $450-$720.

Flex Duct Repair
Flex duct, the ribbed plastic-and-wire tubing common in Garland ranches from the 1960s onward, crushes easily, degrades in UV light, and separates at collar connections. In central Garland neighborhoods, we regularly find original flex runs that have fully detached from register boots, dumping cooled air into the attic and pulling 150°F attic air back through the return. Flex duct repair in Garland typically costs $180-$340 per run, including reattachment, collar replacement, and mastic sealing. We use Nikro and Abatement Technologies equipment for source removal and HEPA-filtered negative-pressure containment during the repair, and we also offer our Dryer Vent Cleaning in Garland to address the full ventilation system.

Metal Duct Repair
Older Garland homes - particularly pre-1965 builds in the neighborhoods south of I-30 - often have galvanized sheet-metal trunk lines with fiberglass internal liner. That liner crumbles. We’ve photographed trunks where the fiberglass has completely detached and lies in drifts at the low points, breaking loose and distributing through the supply registers every time the blower cycles. Metal duct repair involves removing degraded liner, repairing seams and holes, and re-lining or sealing the interior. Costs range from $320-$580 for sectional repair to $780-$1,400 for full trunk replacement.

Duct Insulation
Garland attics hit 150°F in July and August. Uninsulated or poorly insulated ductwork loses 20-30% of conditioned air to radiant heat gain before it reaches the register. Our duct insulation service wraps existing metal trunks with foil-faced fiberglass insulation, sealed at all seams with mastic, and insulates flex duct with sleeve insulation where the original jacket has degraded. Typical cost for insulating a Garland ranch trunk line: $380-$650.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
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 Garland
CleanRun stocks parts and uses equipment from trade-recognized brands our customers can verify independently: Rotobrush and Nikro for agitation and source removal, Honeywell and Aprilaire for filtration and ventilation components, and Abatement Technologies for HEPA containment and negative-pressure systems. We carry common Garland-era duct diameters and collar sizes on every truck, so repairs don’t wait on a parts run to Richardson or Dallas. Our technicians are trained on each manufacturer’s specifications - no improvised fittings, no “close enough.”
Common Duct Repair & Sealing Problems We See in Garland Homes

- Clay-soil movement shearing register boots. The Blackland Prairie clay beneath Garland swells when wet and shrinks when dry, seasonally flexing slabs and pulling apart duct joints. We find disconnected flex runs and cracked mastic at register boots on a majority of pre-1980 homes - a failure pattern rare in newer suburbs on stabler soils.
- Original fiberglass liner crumbling inside sheet-metal trunks. The fiberglass duct liner installed in 1950s-1970s Garland homes has a 40-50 year service life. It breaks down, releases fibers, and creates debris drifts that redistribute through the system with every blower cycle. Cleaning without repair just moves the debris.
- Failed original duct tape creating open attic pathways. Foil and cloth duct tape adhesive dries and fails in sustained attic heat. In Garland’s six-month cooling season, that leaves joints open to pull 150°F attic air - and concentrated mountain cedar, oak, and ragweed pollen - directly into living spaces.
- Crushed or kinked flex duct from decades of attic traffic. Original flex duct in Garland ranches was often routed through tight attic spaces with minimal support. Over 50+ years, storage boxes, maintenance activity, and simple gravity have flattened runs, choking airflow and forcing the HVAC system to overwork.
Pricing for Duct Repair & Sealing in Garland, TX
We publish ranges because Haven Standard Clause 1 requires a written price before any work starts - no “call for a quote,” no teaser rates that balloon once the van is in your driveway.
| Service | Typical Range in Garland |
|---|---|
| Single flex duct repair/replacement (per run) | $180 - $340 |
| Register boot reattachment + mastic seal | $140 - $260 |
| Whole-system duct sealing (mastic, typical ranch) | $450 - $720 |
| Metal trunk sectional repair + re-lining | $320 - $580 |
| Full metal trunk replacement | $780 - $1,400 |
| Duct insulation (trunk wrap, typical ranch) | $380 - $650 |
| Pressure test + leak detection | $120 - $180 |
What moves the price: accessibility of the attic, extent of disconnection or damage, whether the original material is asbestos-containing (pre-1980 fiberglass liner sometimes is), and whether the job requires full system replacement versus spot repair. Every estimate includes a written scope, a fixed price, and before/after photos of every duct run. Bring a competitor’s written quote - CleanRun provides a free second opinion, our number next to theirs, no obligation.
Call (682) 297-4068 for an exact quote. Estimates are free.
We Also Serve Cities Near Garland

CleanRun crews work across the Dallas-Fort Worth metro, including Garland, Richardson, Plano, Dallas, and Irving. Each city’s housing stock and soil conditions create distinct duct failure patterns, and we adjust our approach accordingly - clay soil in Garland, black gumbo in parts of Irving, newer flex systems in Plano’s 1990s-2000s builds.
Serving Garland, TX - Our Local Coverage Area
We’re based in the Garland 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 Garland

Because cleaning a disconnected duct just vacuums 150°F attic air. In Garland’s 1955-1980 ranches, clay-soil movement has sheared apart so many register-boot connections that our camera inspections regularly find two to four fully detached runs per home. Sealing restores containment so that cleaning actually removes debris from the duct, not the attic. Call (682) 297-4068 for a camera inspection and written estimate - estimates are free.
Garland sits on expansive Blackland Prairie clay that swells when wet and shrinks when dry, mechanically flexing slabs and pulling apart duct joints and register-boot saddle connections. This seasonal movement is constant, cumulative, and largely invisible from the living space - homeowners notice only the symptom: weak airflow, dust plumes from registers, or utility bills that climb year over year. Call (682) 297-4068 for a pressure test that quantifies the leakage.
We know by looking. Our camera inspection - included in every estimate - shows crumbled fiberglass liner, detached flex runs, lifted tape, and open joints. If the camera shows intact duct with surface debris, cleaning is appropriate. If it shows structural failure, we document it with photos and quote repair before quoting cleaning. The homeowner decides. Call (682) 297-4068 to schedule the inspection.
Yes, often more so. Smaller homes in Garland’s older neighborhoods have smaller HVAC systems with less capacity to overcome leakage. A 3-ton unit losing 25% of its airflow to attic leaks is working harder than a 5-ton unit in a larger, sealed home. Sealing a 1,400 sq ft ranch typically runs $450-$620 and commonly reduces runtime and utility load measurably. Call (682) 297-4068 for a pressure test and written price.
Directly. Garland sits in one of Texas’s most intense spring allergen corridors - mountain cedar in winter, oak in spring, ragweed in fall. Compromised ducts that pull attic air create a pressurized pathway for concentrated pollen, mold spores, and fiberglass debris into living spaces. Sealing eliminates that pathway. We document the before/after with photos and can recommend Aprilaire filtration upgrades compatible with your system. Call (682) 297-4068 for an assessment.
Ready to see what’s actually inside your ducts? Call (682) 297-4068 for a free estimate with a written price before any work starts, a camera inspection of every run, and a documented photo record delivered when the job is done - backed by our 365-Day Done Right Promise in writing on every job.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Garland since 2013.




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