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 The Woodlands
Most duct repair calls we take from The Woodlands come from homeowners who already know something is wrong. The upstairs never cools, the energy bill climbed $80 last summer, or the return-air grille rattles every time the blower cycles on. We’re CleanRun Air Duct Cleaning Spring, and our crews work The Woodlands villages weekly - from Grogan’s Mill to Alden Bridge, Panther Creek to Sterling Ridge. Scheduling and dispatch run through our Houston office, but the technicians who arrive at your door know this market: the long attic runs in two-story village homes, the original 1970s-1980s metal duct with degraded fiberglass liner, and the way loblolly pine pollen in February turns return-air filters into yellow mats in under two weeks. If your ductwork is leaking, deteriorated, or pulling unconditioned attic air into your living space, we’ll inspect it with a camera, put a written price in your hand before any work starts, and deliver a documented photo record of every duct run when we leave. Call (346) 423-3631 for a free estimate.
Why CleanRun Air Duct Cleaning Spring Is The Woodlands’s Preferred Duct Repair & Sealing Company
We’ve served The Woodlands since adding it to our route schedule in our early years, and the pattern is consistent: homeowners here research before they call, and they decide based on what a company can document, not how friendly the dispatcher sounds. That fits how we work.
Our reputation in The Woodlands is built on two things you can verify before hiring us. First, Haven Standard Clause 1: written price before any work starts, every time, no exceptions. Second, the Documented Photo Record - inside every duct run, before and after, delivered as part of your job record. We’ve held that practice since our first job in 2013. Across more than 52,000 homes served, every customer received both deliverables.
Technicians serving The Woodlands are background-checked and uniformed under Haven Standard Clause 3: Verified Crews. You’ll get the technician’s name before arrival, and the license number is published on this page, not buried in a footer. Our Duct Repair & Sealing crews carry professional-grade equipment from Nikro, Honeywell, and Abatement Technologies - brands you can look up independently before agreeing to any scope of work.
Response to The Woodlands is typically next-day or within two business days for non-urgent sealing and repair work. We don’t manufacture urgency; duct repair is scheduled, not emergency-driven, and we’d rather quote honestly than promise a speed we can’t deliver consistently.
Our Duct Repair & Sealing Services in The Woodlands

Duct Sealing with Mastic Sealant
Metal duct joints and plenum collars in The Woodlands homes separate over years of thermal cycling in 140-degree attics. We seal every accessible joint with mastic sealant, a fiber-reinforced compound that remains flexible where tape fails. In Grogan’s Mill and Panther Creek, we regularly find original 1980s metal casing where the snap-lock seams have opened to 1/8-inch gaps - enough to lose 20-30% of conditioned air into the attic before it reaches the register. Mastic sealing those collars and plenum connections typically recovers 15-25% of blower capacity. We photograph every sealed joint for your record.

Flex Duct Repair
The 1990s-2000s build-out across Alden Bridge and Sterling Ridge relied heavily on flexible duct and fiberglass duct board, both now at end-of-life. Flex duct sags, kinks, and tears at connection points; duct board delaminates where moisture has wicked into the fiberglass core. Our crews replace failed flex sections with properly supported, insulated flex duct rated for The Woodlands attic conditions, or transition to metal where the run geometry allows. We don’t patch over failed duct board - we remove and replace, because deteriorated duct board sheds fibers into your air stream every time the blower runs.

Metal Duct Repair
Original metal duct in Grogan’s Mill and Panther Creek often contains fiberglass duct liner that has degraded after 40-50 years of humidity exposure. The liner collapses, restricts airflow, and sheds glass fibers into living spaces. We inspect with a camera first. Where liner has failed, we remove the contaminated material, repair the metal casing, and install new duct insulation - either closed-cell liner or external wrap - depending on the run configuration and your system’s static pressure profile.

Duct Insulation
Uninsulated or poorly insulated attic ductwork in The Woodlands loses capacity to radiant heat and gains condensation risk in shoulder seasons. Relative humidity here regularly exceeds 70-80% even in winter, and the preserved tree canopy keeps exterior surfaces wetter than in cleared subdivisions. We install proper R-value duct insulation on supply and return runs, with particular attention to plenum connections where temperature differential is greatest. Proper insulation also prevents the condensation that breeds mold colonization in duct liner - a near-constant risk in The Woodlands rather than a seasonal one.

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.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in The Woodlands
Our equipment roster includes Nikro negative-pressure extraction systems, Honeywell media air cleaners and zoning controls, and Abatement Technologies HEPA-filtered containment equipment. We stock common flex duct diameters, mastic sealant, and metal repair fittings for The Woodlands market, which means most repairs don’t wait on parts orders. If your system uses Aprilaire whole-home air purification or humidification components integrated with your ductwork, our technicians are trained to seal around those penetrations without compromising their function. You can verify every brand independently - we name them precisely so you can.
Common Duct Repair & Sealing Problems We See in The Woodlands Homes

- Pollen-compacted duct liner. During the February-April loblolly pine surge, return-air filters in Panther Creek and Grogan’s Mill load out in under two weeks. Whatever bypasses the filter compacts into older duct liner as a sticky, biological-rich mass that standard brushing alone won’t clear. We inspect liner integrity on every job in these older villages because deteriorated liner is shedding fiberglass into living spaces at the same time.
- Failed fiberglass duct liner in original metal casing. Homes built in the 1970s-1980s villages contain metal duct with internal fiberglass liner that has now deteriorated after decades of Southeast Texas humidity. The liner collapses around joints, restricting airflow and leaking conditioned air into the attic while dispersing glass fibers through registers.
- Condensation and mold in long attic runs. The Woodlands’ large two-story floor plans require lengthy flex or metal duct runs through attic spaces that reach 140°F in summer. Poor insulation and high humidity create perpetual condensation on cold supply lines, wicking into duct board or saturating flex duct outer wraps.
- Shared system access limitations in condos and townhomes. The Woodlands’ denser village clusters include attached housing with restricted parking, limited attic access, and duct runs shared between units. Negative-pressure equipment positioning is constrained, and leaks in stack runs often go undetected by crews unfamiliar with multi-unit configurations.
Pricing for Duct Repair & Sealing in The Woodlands, TX
We publish ranges because Haven Standard Clause 1 requires a written price before work starts - and that price should never be a surprise.
| Service | Typical Range in The Woodlands |
|---|---|
| Mastic sealant sealing (whole system, accessible joints) | $380-$620 |
| Flex duct section replacement (per run, including insulation) | $240-$450 |
| Metal duct liner removal and replacement (per run) | $320-$580 |
| Duct insulation upgrade (external wrap, per run) | $180-$340 |
| Plenum repair or replacement | $450-$780 |
What moves a job toward the higher end: multiple long attic runs (common in Alden Bridge and Sterling Ridge two-stories), degraded duct board requiring full replacement rather than repair, and limited access in attached housing where equipment positioning adds labor time. What keeps costs down: localized sealing of identified leaks, single flex section replacement, and clear attic access. Every estimate is free, and we offer a Free Second Opinion on any competitor’s written estimate - we’ll put our number next to theirs in writing. Call (346) 423-3631.
We Also Serve Cities Near The Woodlands

Our crews work The Woodlands regularly and also handle duct repair and sealing calls from Spring, Humble, Aldine, and Atascocita. Scheduling for all five cities routes through our Houston office, with local technicians dispatched to each area.
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

The Woodlands’ founding master plan legally preserved its dense loblolly pine, water oak, and sweetgum canopy, generating pollen and organic debris loads that infiltrate return-air systems far more aggressively than in cleared suburbs. February-April pine pollen turns filters yellow and loads them in under two weeks in Grogan’s Mill and Panther Creek, while Conroe’s more exposed subdivisions see significantly lower organic infiltration rates. If your system pulls return air from vented crawl spaces or poorly sealed return plenums, that debris bypasses the filter entirely and compacts into duct liner. Call (346) 423-3631 for a camera inspection and written estimate.
Yes - we regularly work The Woodlands’ attached housing, though these jobs require advance planning for equipment staging and access coordination with property management. Shared duct runs between units demand containment protocols and careful leak detection to avoid pressurizing adjacent spaces; our crews carry Abatement Technologies HEPA-filtered equipment sized for constrained access. We photograph shared stack penetrations before and after repair for your HOA documentation. Call (346) 423-3631 to schedule a site visit with written scope and price.
Shared dryer vent stacks in The Woodlands condos and townhomes accumulate lint at bends and junctions where multiple units connect, and the restricted airflow from shared design increases overheat risk compared to single-family through-wall vents. We inspect stack runs with a camera, clean to the roof termination or wall penetration, and document the before-and-after condition for your property manager. If the stack liner is damaged or disconnected, we repair with proper metal transition and sealant. Call (346) 423-3631 for a written estimate on stack vent inspection and repair.
The major 1990s-2000s build-out across Alden Bridge and Sterling Ridge relied heavily on flexible duct and fiberglass duct board, both now reaching end of serviceable life. Signs of failure: uneven temperatures between rooms, dust accumulation around ceiling registers, musty odors when the blower cycles on, or visible sagging/kinking in attic flex runs. We camera-inspect every run and deliver a Documented Photo Record showing the actual condition of your duct material - no guesswork, no pressure to replace what is still sound. Call (346) 423-3631 for a free inspection and written price before any work.
No - musty odors indicate biological growth in duct liner or standing water in a low point of the duct system, and cleaning alone leaves the moisture source and contaminated material in place. In Panther Creek’s 40-50-year-old systems, we regularly find deteriorated fiberglass duct liner that has become a growth substrate; brushing or negative-pressure extraction won’t restore failed liner. Proper repair requires removing contaminated liner, sealing the metal casing with mastic, and installing new duct insulation to prevent condensation recurrence. We photograph the source of odor before proposing any scope of work. Call (346) 423-3631 for a camera inspection and written estimate.
Our techs were called to a 1980s Grogan’s Mill two-story where the original fiberglass duct liner inside the metal casing had deteriorated and was shedding fibers into the living room; a camera inspection showed the liner had collapsed around a joint, leaking conditioned air into the attic. Using negative pressure and source removal with agitation tools, we cleared the sticky pollen mass, then sealed the collars and plenums with mastic sealant and replaced the failing liner section with duct insulation. The blower motor amp draw dropped and the homeowner reported less dust and better airflow upstairs. The photo record from that job is still in our files.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Spring, serving The Woodlands since 2013.




Before
After
Before
After