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 Santa Fe
Duct repair and sealing in Santa Fe, TX typically runs $340-$780 for a whole-system flex duct repair and seal, with most jobs completed in one scheduled day. For homes with flood-era contamination in the ductwork, we’ll tell you exactly what the camera shows before you decide between cleaning, sealing, or full replacement.
We serve Santa Fe from our Houston office, with crews running daily routes through Galveston County. Whether you’re off Highway 6 near the city limits, in the ranch-style neighborhoods around FM 1764, or closer to the Dickinson border, our Duct Repair & Sealing team arrives with the equipment to document, repair, and seal your duct system under the H.A.V.E.N. Standard. Call (346) 253-1822 to schedule a free inspection with a written price before any work starts.
Why CleanRun Air Duct Cleaning Pearland Is Santa Fe’s Preferred Duct Repair & Sealing Company
Since 2013, we’ve served more than 52,000 homes with one rule: every job gets a written price before work begins and a Documented Photo Record when the crew leaves. In Santa Fe, that discipline matters more than most places. Homeowners here bought properties after Harvey that came with “fully renovated” promises, only to find the ductwork tells a different story. Our camera doesn’t negotiate with marketing copy.
Our technicians are background-checked, uniformed, and identified by name before arrival under Haven Standard Clause 3: Verified Crews. We carry professional-grade equipment from Rotobrush, Abatement Technologies, and Guardsman, brands you can verify independently. The 365-Day Done Right Promise backs every Santa Fe job in writing, not as a policy subject to manager approval.
We also offer a Free Second Opinion on any written estimate. Bring us a competitor’s quote and we’ll put our number next to it, line by line, in writing.
Our Duct Repair & Sealing Services in Santa Fe

Duct Sealing
Most Santa Fe homes lose 20-30% of conditioned air through leaks at joints, plenum connections, and register boots before it ever reaches the rooms. Our sealing process starts with a pressure test to map every leak, then applies mastic sealant to each compromised joint. In Santa Fe’s >80% relative humidity environment, we dry flex surfaces first with controlled airflow. Mastic skimmed over damp duct delaminates within one cooling season. We document the pre-dry moisture reading and the sealed result on camera.

Flex Duct Repair
Santa Fe’s housing stock is dominated by 1970s-1990s slab ranch homes with flexible duct systems, not hard-pipe metal. Flex duct sags over time, especially in the crawl-less slab construction common here, creating low points where moisture and debris collect. After Harvey, many homes got new drywall and flooring while the original flex runs stayed put. Our crew regularly finds flood silt and black mold in flex duct ten feet past a brand-new air handler. We isolate damaged sections under negative-pressure extraction with HEPA filtration, repair or replace the compromised run, and deliver before-and-after photos of every section.

Metal Duct Repair
Hard-pipe metal ductwork appears in some Santa Fe homes from the 1970s and in newer builds with hybrid systems. Metal ducts don’t absorb moisture like flex, but they corrode at seam points in humid environments and can separate at joints after foundation settling, common in Galveston County’s clay soils. We re-seam corroded sections, replace separated runs, and apply mastic at every joint. The photo record shows metal condition that insulation often hides.

Duct Insulation
Storm-surge sediment in slab-level returns wicks into duct insulation and re-wets every humid day. Saturated insulation becomes a mold reservoir that no surface cleaning reaches. In Santa Fe, we regularly pull insulation from returns that looks dry outside and drips inside. Our repair passes include insulation replacement when moisture meters show saturation above 16%, with the reading documented for your records. We use Guardsman and Aprilaire materials rated for high-humidity applications.

Mastic Sealant Application
Mastic is the only sealant we use on flex duct in Santa Fe. Tape fails in humidity; mastic bonds to the duct wall and remains flexible. We apply it with a brush at every joint, collar, and register boot, then photograph the sealed joint before insulation goes back. Haven Standard Clause 1 requires the written price before work starts; it also requires that we show you what we sealed, not just tell you.

Air Leak Repair
Renovation crews that replaced air handlers but reused original flex distribution systems often leave mismatched static pressure. The new blower pushes harder or softer than the old one, exposing leaks at supply and return registers that were masked before. We pressure-test the full system, mark every leak, and repair with documented airflow improvement.

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.
Before
AfterTrusted Brands We Service in Santa Fe
Our equipment roster includes Rotobrush agitation systems, Abatement Technologies negative-pressure machines, and Guardsman insulation materials, plus Honeywell and Aprilaire components for integrated air quality work. We stock common flex duct diameters and mastic quantities on every Santa Fe truck, so most repairs don’t wait for a parts run. If your system uses a specific register boot or plenum configuration common to Santa Fe’s ranch-style subdivisions, we likely have it on the shelf. Every brand named here can be verified independently; we don’t use equipment we can’t document.
Common Duct Repair & Sealing Problems We See in Santa Fe Homes

- Flood-era flex duct left in place during “full” renovations. On a slab ranch off Highway 6 near the Santa Fe city limits, our crew ran a camera inspection on a home the owner swore was fully renovated after Harvey - new floors, new drywall, rebuild complete. Ten feet past the air handler, the flex run still held flood silt and black mold the renovation crew never touched because they stopped at the plenum. We isolated the run under negative pressure with HEPA filtration, performed source removal with agitation tools, then mastic-sealed the compromised joints and documented every compromised section on camera for the owner’s insurer.
- Pinhole leaks at sag points where flood silt trapped moisture. Flex duct left in place during post-Harvey gut renovation develops pinhole leaks at low points. Sealing without source removal locks contamination inside. We remove the debris first, then seal.
- Mastic failure on damp flex surfaces. Santa Fe’s year-round relative humidity causes mastic to skim over and fail to bond if the run isn’t dried first. A sealing job that looks fine delaminates within one cooling season. We measure, dry, then seal.
- Saturated insulation in slab-level returns. Storm-surge sediment wicks into duct insulation and re-wets daily in Santa Fe’s humidity. Repair without insulation replacement leaves a mold reservoir behind. We replace when moisture meters confirm saturation.
Pricing for Duct Repair & Sealing in Santa Fe, TX
Every Santa Fe job starts with a written price before any work begins. No exceptions.
| Service | Typical Range in Santa Fe |
|---|---|
| Whole-system duct sealing (mastic, up to 12 runs) | $340-$580 |
| Flex duct repair / section replacement (per run) | $180-$340 |
| Metal duct seam repair and re-sealing | $220-$420 |
| Duct insulation replacement (saturated returns) | $260-$480 |
| Post-flood camera inspection with moisture documentation | $0 (free with any repair or sealing scope) |
What moves a job toward the higher end: flood-era contamination requiring source removal, multiple sagging flex runs needing replacement, or saturated insulation in slab-level returns. What keeps it lower: targeted sealing of accessible joints with no contamination. We don’t quote per-vent or per-linear-foot pricing. One flat price per system, agreed in writing, before any panel comes off. Call (346) 253-1822 for a free inspection and written estimate.
We Also Serve Cities Near Santa Fe

Our crews run regular routes through Dickinson, League City, Friendswood, and Alvin, with scheduling coordinated from our Houston office. If you’re in one of these neighboring communities and need Duct Repair & Sealing in Santa Fe or closer to home, the same H.A.V.E.N. Standard, written pricing, and Documented Photo Record apply. Call to confirm your area’s next available route.
Serving Santa Fe, TX - Our Local Coverage Area
We’re based in the Santa Fe 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 Santa Fe

It depends on what the camera shows and what a moisture meter reads. If the flex runs hold only surface dust with no flood silt, no mold colonization, and moisture content below 16%, source removal with agitation and negative-pressure extraction followed by mastic sealing is usually sufficient. If the camera shows black mold, flood sediment embedded in the duct wall, or moisture readings above 16%, replacement is the only option that won’t leave contamination behind. We document both readings on camera so you can decide with evidence, not a hunch. Call (346) 253-1822 for a free inspection.
Insurers act on documentation, not homeowner statements. We provide a Documented Photo Record of every compromised section, moisture meter readings with timestamps, and a written scope distinguishing cleanable from non-recoverable duct. This is standard on every Santa Fe job, included at no extra charge. We’ve had insurers approve replacement based on our photo documentation alone. Bring your policy details; we’ll align our documentation with their requirements. Call (346) 253-1822 to schedule.
Santa Fe sits in one of the highest-humidity corridors in Texas, with ambient relative humidity routinely exceeding 80% year-round. That persistent moisture causes condensation inside flex ductwork continuously, accelerating mold colonization and dust mite populations far faster than in drier inland markets even a county away. Combined with flood-era organic debris left in duct runs after Harvey, Santa Fe’s ducts have both the moisture and the food source mold requires. Inland Galveston County homes typically see neither at the same scale.
Yes. Flex duct in Santa Fe’s slab ranches requires surface drying before mastic application, or the seal fails within one season. We use controlled airflow to bring surface moisture down, apply mastic with a brush at every joint, and photograph the sealed joint before insulation returns. Metal duct doesn’t absorb moisture but corrodes at seams in this humidity; we re-seam with metal screws, apply mastic, and often add a corrosion inhibitor. The slab foundation means most ductwork is in the attic or a tight chase, so our crews carry compact Abatement Technologies negative-pressure units sized for restricted spaces.
Often, yes, but with a critical caveat. If the air handler itself was submerged or took significant moisture, sealing the distribution system without addressing the blower, coil, and plenum leaves contamination at the heart of the system. We inspect the air handler with the same camera and moisture documentation we apply to duct runs. If it’s clean and dry, we seal the distribution system and pressure-test to confirm no new leaks. If it’s compromised, we note it in the written scope and document why sealing alone won’t solve the problem. The goal is fixing the system, not selling a service. Call (346) 253-1822 for an honest assessment.
Ready to see what’s actually inside your Santa Fe ductwork? Call (346) 253-1822 to schedule a free inspection. We’ll deliver a written price before any work starts, perform the repair or sealing under the H.A.V.E.N. Standard, and leave you with a Documented Photo Record of every duct run, backed by our 365-Day Done Right Promise.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Santa Fe since 2013.




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