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 The Woodlands
Duct repair and sealing in The Woodlands typically costs $280-$680 for most homes, with flex duct rebuilds in the older villages running higher than metal-duct sealing jobs in newer construction. We dispatch crews to The Woodlands from our Houston office, and most scheduled repairs are completed in a single visit because our trucks carry Rotobrush and Nikro equipment plus a full inventory of flex duct, collars, and mastic sealant. Call (346) 248-1474 for a written estimate before any work starts.
The Woodlands is not a generic Houston suburb. The founding-era villages, Grogan’s Mill and Panther Creek, carry ductwork from the George Mitchell-era development that is now 40-50 years old. That original flexible duct, installed in pier-and-beam and slab-on-grade homes beneath a preserved East Texas loblolly pine forest, has faced conditions no cleared-lot community experiences. Our Duct Repair & Sealing team has rebuilt, reconnected, and sealed duct systems in hundreds of these homes. We know what the camera finds before we open the attic hatch.
Why CleanRun Air Duct Cleaning The Woodlands Is The Woodlands’s Preferred Duct Repair & Sealing Company
We have served The Woodlands since 2013 with a documented photo record on every visit, a written price before any work starts, and the 365-Day Done Right Promise backed in writing on every job. Homeowners in Sterling Ridge and Creekside Park find us the same way Grogan’s Mill residents do: they want to see what was inside their ducts before they pay for anything.
Our technicians are background-checked, uniformed, and identified by name before arrival under Haven Standard Clause 3: Verified Crews. Every call is answered by a live person. Scheduling is coordinated from our Houston office, but the crew that arrives at your door knows The Woodlands housing stock. They have photographed collapsed flex duct in Panther Creek attics and resealed multi-zone plenums in Creekside Park two-story homes. That local pattern recognition matters. It means we bring the right materials and do not waste your time with a return trip.
CleanRun holds a free second opinion policy: bring any competitor’s written estimate and we will put our number next to it, itemized and in writing. No phone-only quotes. No “call for pricing.” Haven Standard Clause 1 requires the written price delivered before a single panel comes off.
Our Duct Repair & Sealing Services in The Woodlands
Flex Duct Repair
The original flex duct installed in Grogan’s Mill and Panther Creek homes from 1974 through the mid-1980s was fiberglass-lined flexible duct, often strapped too tightly across attic framing or compressed by decades of storage activity. We find collapsed runs on roughly half of our camera inspections in these villages. A collapsed flex duct run does not move air; it moves your electricity bill upward as the blower works harder to push against the blockage. Our crew cuts out the damaged section, installs new flex duct of matching diameter, secures it with mechanical collars, and seals every joint with mastic and mesh. The work is photographed before and after, and the photo record is delivered as a standard job deliverable.
Mastic Sealant Application
Mastic is a water-based sealant that remains flexible after curing, making it the correct choice for duct joints that experience thermal expansion. But here is the local problem our crews face in The Woodlands: in Grogan’s Mill and Panther Creek, the heavy loblolly canopy creates a dew-point trap in shaded attics. The exterior of a cold flex duct stays below the dew point while the AC drives interior temperatures down. Mastic applied to a condensation-wet surface cannot cure properly. It peels within a season. We have developed a specific protocol for these homes: pre-dry the duct exterior with controlled airflow, apply mastic during low-humidity conditions, and verify cure with a moisture meter before closing the attic. This is not a marketing claim. It is a procedure we follow because standard application fails in this microclimate.
Air Leak Repair
Disconnected collars at the plenum, separated duct runs at junction boxes, and failed tape seals at register boots are the three most common leak sources we photograph in The Woodlands. In a two-story Creekside Park home, a single disconnected supply run in the attic can starve an entire zone while the thermostat reads normal from a different floor. We pressure-test the system, locate leaks with smoke pencil and infrared verification, and repair with mechanical fasteners plus mastic sealant. The supply and return ducts that were bleeding conditioned air into your attic get closed up. You see the before-and-after photo record. The rear rooms come back into balance.
Metal Duct Repair & Duct Insulation
Metal duct systems appear more often in The Woodlands’s 1990s and 2000s construction, particularly in commercial-adjacent residential and some Sterling Ridge builds. We repair separated longitudinal seams, replace corroded sections, and reinsulate with formaldehyde-free duct wrap where the original fiberglass has degraded. For homes with uninsulated metal duct in humidity-stressed attics, condensation on the duct exterior drips onto ceiling drywall. We insulate to prevent that thermal bridging. Equipment on these jobs includes Nikro negative-pressure extraction tools and Honeywell air-flow verification meters.
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 The Woodlands
CleanRun carries professional-grade equipment from Rotobrush, Nikro, Honeywell, and Aprilaire on every truck serving The Woodlands. We stock flex duct, mechanical collars, mastic compound, and mesh reinforcement locally so that a found-during-cleaning repair does not become a two-day wait. Our technicians operate Rotobrush brush-and-vac systems for pre-repair cleaning and Nikro HEPA-filtered negative-pressure equipment for containment during flex duct replacement. Honeywell airflow capture hoods verify that sealed and repaired systems deliver design CFM at each register. You can look up every brand we name. We do not use equipment we cannot document.
Common Duct Repair & Sealing Problems We See in The Woodlands Homes
- Collapsed original flex duct in Grogan’s Mill and Panther Creek. The founding-era villages carry ductwork from the 1970s and 1980s that has physically compressed at tight bends or separated at collars. The system loses more air through these leaks than through the registers. We rebuild the collapsed runs and reconnect the plenum collar with mechanical fasteners, not tape alone.
- Failed sealant in pine-shaded attics. The tree canopy that defines The Woodlands traps ground-level moisture and keeps shaded attics cooler than sun-exposed neighborhoods. Mastic and tape sealant applied to cold flex duct exteriors fails to cure properly and peels within a single cooling season. Our crew pre-dries surfaces and verifies cure before closing the attic.
- Zone starvation in Creekside Park and Sterling Ridge two-story homes. Multi-zone attic runs in these larger homes are long enough that a single crushed or disconnected section starves an entire zone. The homeowner notices uneven cooling between floors. We pressure-test to isolate the restriction and restore balanced airflow.
- Biological growth inside humidity-stressed duct runs. With air conditioning running effectively nine months a year and forest-canopy moisture trapping humidity in shaded attics, mold and mildew colonize flex duct interiors before the homeowner ever notices a symptom. We photograph the growth, replace contaminated duct, and seal the system to prevent re-infiltration.
Pricing for Duct Repair & Sealing in The Woodlands, TX
A typical flex duct repair in The Woodlands, including one collapsed run rebuild and collar reconnection, runs $340-$520. Multi-run rebuilds in older Grogan’s Mill or Panther Creek homes range $480-$680. Metal duct seam sealing and reinsulation jobs in newer construction typically fall between $280-$450. Mastic sealant application to an entire duct system, including plenum and register boots, runs $380-$620 depending on system size and attic accessibility.
What moves the price: the number of duct runs requiring repair, whether attic access requires protective decking over blown insulation, and whether contaminated flex duct must be replaced rather than resealed. We deliver a written price before any work starts, every time, under Haven Standard Clause 1. No per-vent pricing. No coupon bait-and-switch. The price we write is the price you pay. Bring any competitor’s written estimate for a free second opinion. Call (346) 248-1474.
We Also Serve Cities Near The Woodlands
Our crews repair and seal duct systems across Tomball, Conroe, Spring, and Pinehurst. Scheduling is coordinated from our Houston office, but the same background-checked, uniformed technicians with documented photo records serve these communities. If you are searching for Duct Repair & Sealing in The Woodlands or nearby, the same written-price policy and 365-Day Done Right Promise apply.
Serving The Woodlands, TX - Our Local Coverage Area
We’re based in the The Woodlands 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 The Woodlands
Original 1974-1980s flex duct in these founding-era villages has reached end of functional life, and the heavy loblolly pine canopy creates a dew-point trap in shaded attics that accelerates sealant failure and biological growth on duct exteriors and interiors. Newer villages like Creekside Park have different failure modes: longer multi-zone runs with zone starvation issues, but less sealant degradation from canopy shading. Call (346) 248-1474 and we will inspect your specific system with a camera.
Yes, if the uneven cooling is caused by duct leakage or restriction rather than equipment undersizing. In Creekside Park homes, we frequently find that a single crushed or disconnected attic run starves an entire zone while the thermostat reads normal from a different floor. Pressure-testing and smoke-pencil verification locate the leak; repair and sealing restore balanced airflow. We verify results with Honeywell airflow capture hoods and document everything photographically. Call (346) 248-1474 for a written estimate.
We look for physical damage: collapsed flex duct, disconnected collars, separated seams, or biological growth that cleaning alone cannot safely address. The camera inspection shows a 3-inch debris build-up at the first elbow, or it shows a duct run that has flattened to half its diameter. Cleaning moves debris; repair restores structure. We explain what the camera showed, deliver a written price for each option, and let the photo record do the persuading. Call (346) 248-1474 to schedule.
The preserved East Texas forest that defines The Woodlands traps moisture and keeps shaded attics cooler than surrounding open-lot developments, creating a persistent dew-point trap on cold duct exteriors. Standard mastic application to a wet surface peels within one cooling season. Our crew pre-dries the duct, applies mastic during favorable humidity conditions, and verifies cure with a moisture meter. This protocol is specific to The Woodlands canopy environment and is not required in cleared-lot communities like Spring or Conroe. Call (346) 248-1474 for an inspection.
Yes. Our duct repair and sealing procedures follow NADCA ACR standards for assessment, cleaning, and restoration, supplemented by the H.A.V.E.N. Standard protocols we apply on every job. The 365-Day Done Right Promise backs the work in writing. Every repair is photographed before and after, and the photo record is delivered as a standard job deliverable. Call (346) 248-1474 for a free written estimate.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning The Woodlands, serving The Woodlands since 2013.