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 Stafford
Duct repair and sealing in Stafford typically costs $280-$750 for residential work, with most jobs scheduled within 2-3 business days and completed in a single visit. Our crews serve Stafford from our Houston office, carrying the equipment and materials needed for the older fiberglass duct board and flex systems common in this market. Call (346) 666-7165 for a written estimate before any work begins.
We’ve worked in Stafford long enough to know what the housing stock looks like inside the walls. The 1970s-1990s apartments off Murphy Road, the modest tract homes near Staffordshire Road, the aging rental inventory along Avenue E - these aren’t theoretical building types for us. They’re the actual structures we crawl through, photograph, and repair. Stafford’s subtropical climate means cooling systems run most of the year, and that near-constant airflow takes a toll on original duct materials that were never designed to last four decades.
Why CleanRun Air Duct Cleaning Katy Is Stafford’s Preferred Duct Repair & Sealing Company
Our Duct Repair & Sealing team has documented repair work in Stafford properties since 2013, and the photo records tell a consistent story: crushed flex runs, delaminated duct board, and mastic joints that failed years ago without anyone noticing. That documented history matters when you’re deciding who to let into your attic.
Stafford customers receive the same deliverables as every CleanRun job: a written price before work starts, a 365-Day Done Right Promise backed in writing, and a Documented Photo Record of every duct run before and after. Haven Standard Clause 1 requires it. No manager approval needed. No call-for-a-quote runaround.
Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. The license number is published on this page, not buried in a footer where you’d never find it.
Scheduling is coordinated from our Houston office, with crews dispatched to Stafford properties daily. We don’t claim same-day service because duct repair is diagnostic work that deserves proper time. We do claim a written estimate, a documented process, and accountability after the truck leaves.
Our Duct Repair & Sealing Services in Stafford
Duct Sealing
Sealing is often the right first move in Stafford’s older residential stock, but only after we determine whether the duct board itself has failed. We use mastic sealant on every joint, collar, and penetration - not tape, which degrades in attic heat within a few seasons. In Stafford’s extreme humidity belt, where dew points exceed 75°F for months each summer, unsealed return ducts pull in hot, moist attic air that condenses on cool supply surfaces. That condensation feeds mold and rots mastic from the inside out. Our sealing work addresses both the visible joints and the pressure-tested integrity of the full system.
Flex Duct Repair
Flex duct in Stafford’s 1980s apartment stock is often original, crushed at truss intersections, or disconnected at boots where decades of vibration worked the connection loose. On a 1980s tract home off Murphy Road, our tech’s camera inspection found the original fiberglass duct board run to the master bedroom had crushed at a truss intersection and separated at a boot, leaking conditioned air for years; we rebuilt the run with insulated flex duct, sealed every joint with mastic, and the homeowner said the room finally cooled on the same cycle as the rest of the house. We carry R-6 and R-8 insulated flex in common diameters so replacement doesn’t require a return visit.
Metal Duct Repair
Commercial properties along US-90A and Corporate Drive - Stafford’s dense office park corridor - more commonly use galvanized metal ductwork in rooftop units serving multiple zones. Metal ducts don’t delaminate like fiberglass board, but they do corrode at seams where condensate pools, and vibration from rooftop equipment loosens slip joints over time. Our metal repair work includes seam sealing, section replacement, and reinforcement of hanger supports. In multi-tenant flex-space buildings, we document which zones were serviced and photograph before-and-after conditions for lease-dispute records.
Duct Insulation
When original fiberglass duct board loses its insulating value - the fiberglass separates from the foil facing, or the board itself compresses - sealing alone won’t restore performance. In Stafford’s climate, where attic temperatures reach 140°F in July, uninsulated or poorly insulated supply ducts bleed cooling capacity before air reaches the register. We replace failed duct board with properly sized insulated flex or wrapped metal, sized to the original CFM design. The difference shows up in room temperature balance and in the electric bill.
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 Stafford
Our equipment roster includes Rotobrush for mechanical agitation in residential duct runs, Nikro negative-pressure extraction systems, and Honeywell and Aprilaire components for zone control and filtration integration. We stock common flex diameters, mastic, and collar fittings for Stafford jobs so we’re not ordering parts while your system stays open. If your property uses a specific manufacturer for VAV boxes or fire/smoke dampers - common in the Corporate Drive commercial corridor - we identify the brand during inspection and source compatible repair materials before scheduling the repair date.
Common Duct Repair & Sealing Problems We See in Stafford Homes
- Delaminated fiberglass duct board. Stafford’s 1970s-1990s apartments and modest tract homes were built with fiberglass duct board that, after decades of 9-10-month cooling seasons, delaminates and sheds fibers into the airstream - so repair calls here often start with finding where the duct board itself, not a joint, has failed. The exterior foil facing can look intact while the interior fiberglass has turned to loose fill.
- Condensation-driven mold at failed mastic joints. High outdoor dew points push condensation through unsealed joints in the supply and return ducts, feeding mold on duct board and mastic that fails within a few cooling seasons. We find this most often in attic systems with poor ventilation, which describes much of Stafford’s older residential stock.
- Disconnected or crushed flex runs in tight attic chases. Disconnected or crushed flex runs buried in tight attic chases are common in Stafford’s older apartment stock, dumping conditioned air into the attic and driving up electric bills unnoticed. The disconnect is often at a boot or wye where the original installer didn’t leave adequate slack for thermal movement.
- Post-flood contamination requiring duct replacement, not just cleaning. Harvey 2017 inundated significant portions of Fort Bend County, and Stafford’s return-air systems pulled in bacteria-laden sediment and moisture during high-water events. Even years later, we find residual contamination in low-lying duct sections that were “cleaned” but never properly sealed or replaced after the flood.
Pricing for Duct Repair & Sealing in Stafford, TX
A typical duct sealing job in Stafford runs $280-$450 for a single-system residential property with accessible attic space. Flex duct repair or section replacement runs $180-$340 per run, depending on length and attic accessibility. Full duct board replacement in a small residential system starts around $600 and can reach $1,200-$1,800 for multi-zone properties with extensive material failure. Commercial multi-zone systems in Stafford’s flex-space buildings along Corporate Drive and Murphy Road are priced per system after inspection, with written scopes delivered before work begins.
What moves the price: attic accessibility (tight chases take longer), the extent of material failure (sealing vs. replacement), and whether the system requires post-repair pressure testing to verify integrity. Every CleanRun job in Stafford includes the Documented Photo Record and the 365-Day Done Right Promise at no additional charge.
We don’t do per-vent pricing. We don’t do $79 teaser rates. We do one flat price per system, agreed in writing before work starts, every time. Haven Standard Clause 1. Bring a competitor’s written estimate and we’ll deliver a Free Second Opinion in writing.
We Also Serve Cities Near Stafford
Our crews work daily across Fort Bend and west Harris County, including Duct Repair & Sealing in Stafford and surrounding communities. If you’re in Sugar Land, Richmond, Rosenberg, or Katy, the same written pricing, documented photo record, and 365-Day Done Right Promise apply. Scheduling is coordinated from our Houston office with local crews dispatched to each market.
Serving Stafford, TX - Our Local Coverage Area
We’re based in the Stafford 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 Stafford
It’s usually both, but the root cause in 1980s Stafford apartments is often a crushed or disconnected flex run to that room, not just leaky joints. Our camera inspection determines whether the duct is physically intact; if it is, sealing the joints with mastic typically solves the balance problem. If the run is crushed or the duct board has delaminated, repair or replacement is the right fix. Call (346) 666-7165 for a written inspection and estimate - we’ll show you the camera footage before quoting any work.
Yes. Stafford sits in the Houston metro’s extreme humidity belt, where summer dew points regularly exceed 75°F and cooling runs 9-10 months annually. That combination drives condensation inside duct cavities at a rate faster than in drier Texas markets like San Antonio or Austin, and that condensation feeds mold growth on organic debris and failed mastic. Post-Harvey flood contamination has also left residual moisture problems in low-lying duct sections that standard cleaning doesn’t address. The repair and sealing work we do in Stafford accounts for these conditions with upgraded mastic application and, where needed, material replacement rather than surface treatment.
Flood-related duct damage in Stafford typically requires removal of contaminated low-lying return duct sections, not just cleaning, because bacteria-laden sediment penetrates fiberglass duct board and flex duct interiors where it can’t be fully extracted. We cut out affected sections, replace with new material, seal all joints with mastic, and pressure-test the rebuilt system. The Documented Photo Record shows what was removed and what was installed. If your property flooded in 2017 and the ducts were only “cleaned” at that time, we often find residual contamination during current inspections. Call (346) 666-7165 for a current condition assessment with written findings.
We can perform the work once we have written authorization from the party responsible for payment, but we don’t get involved in lease disputes. In Stafford’s multi-tenant flex-space buildings along Murphy Road and the Corporate Drive corridor, a single rooftop unit often serves both office and light-manufacturing spaces under separate leases - and when duct cleaning is needed, technicians routinely get caught between landlords and tenants arguing over who pays, a scheduling and billing complication that’s far less common in the purely residential markets just a few miles west in Missouri City. Our solution: we inspect, document findings with the photo record, and deliver a written scope and price to whoever authorizes the work. Both parties receive the documentation; the billing goes to the authorized party. Call (346) 666-7165 to schedule an inspection and receive written findings you can use in your lease discussion.
Duct board needs replacement when the fiberglass core has delaminated from the foil facing or compressed to the point that it no longer insulates, even if the exterior looks intact. Our camera inspection shows the internal condition: loose fiberglass fibers, collapsed sections, or water staining that indicates the board has absorbed moisture and lost structural integrity. Sealing joints on failed duct board is temporary at best - the material itself will continue to degrade and shed debris into your airflow. We show you the camera evidence and explain whether sealing, section repair, or full replacement is the durable fix for your system. Call (346) 666-7165 for an inspection with written findings and a flat price for the recommended scope.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Stafford and the Houston metro since 2013.