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 Air Duct Repair Across San Leon
Air duct repair in San Leon typically runs $240 – $680 for a full-system evaluation, camera inspection, and targeted duct replacement or re-sealing, with most jobs completed in a single visit. The peninsula’s salt-heavy humidity and elevated pier-and-beam construction mean your ductwork faces conditions no inland Houston home ever deals with. Leaks, separated collars, and corroded connections pull humid bay air directly into the supply system, and that means mold, insects, and higher cooling bills. Call Linden Air Duct Cleaning at (980) 447-2498 for a written, flat-rate quote before any work begins.
We know San Leon because we work San Leon. The crawl spaces under piling homes off 8th Street, the rebuilt cottages along 6th, the manufactured homes near FM 517 – each one has a duct system behaving differently depending on what the last storm did to it. Marcus Veale, who leads our team, insists every San Leon job starts with the same question: what’s happening underneath the house that you can’t see from the driveway?
Why Linden Air Duct Cleaning Is San Leon’s Preferred Air Duct Repair Company
Homeowners here keep calling us back for one reason: we show up with a camera, a moisture meter, and a written price. No guessing, no upselling from a coupon. Our technicians are background-checked, identity-verified, and arrive in a marked uniform with a photo ID badge shown at the door. You get the tech’s name and photo before the visit, so the person standing on your porch is never a surprise.
Every repair in San Leon carries our 365-Day Done Right Promise in writing. If the repair doesn’t hold, we return at no charge. The Threshold Standard is our baseline, not an upgrade: background-checked techs, photo-badged at the door, and introduced by name before they ever pull into your driveway off 8th Street or any other road in San Leon.
We’ve been part of the Threshold Group family since 2004, and the standard that built that reputation is the same standard we bring to every elevated crawl space and vented attic in San Leon. Calls are answered by a live person 24/7, not a voicemail loop. When a post-storm duct emergency happens on a Saturday morning, you get a human.
HVAC Duct Installation in San Leon
HVAC duct installation in San Leon means more than hanging new flex under a house. It means selecting duct work that will survive Galveston Bay’s salt air, mounting it with corrosion-resistant clamps, and sealing every collar so humid air and insects can’t enter the supply system. On elevated piling homes, the installation technique determines whether you’ll be repairing the same runs again in three years or ten.
A new flex-duct run in San Leon typically costs between $190 and $380 per section installed, depending on the diameter, insulation R-value, and whether the run is hung beneath a pier-and-beam deck or pushed through an attic. A full under-home replacement on a two-bedroom elevated cottage usually lands in the $1,800 – $3,400 range. You get one flat price per system in writing before the job starts, with before-and-after photos of your own ducts.
Marine-Grade Installation Practices
We use stainless-steel band clamps and UV-resistant zip ties on every under-home run in San Leon. Standard hardware corrodes within two to three years in this salt air. The extra cost is minimal, usually $12 – $25 per collar, and it prevents the exact separation failure we see most often under elevated homes here.
Every install includes a negative-pressure extraction pass after the new ductwork is sealed, so construction debris and any displaced insulation are pulled out rather than left circulating through your supply registers.
When Replacement Beats Repair on the Peninsula
If a duct run has been saturated by storm water or sustained crawl-space humidity above 80% for months, the insulation liner wicks moisture even when the exterior looks dry. That trapped moisture breeds mildew between the liner and the coil. In those cases, cleaning alone won’t hold, and replacing the run is the only honest repair.
We document the moisture reading and liner condition with a camera before recommending replacement, so you have evidence for your adjuster if your flood or windstorm policy covers the work.
Air Duct Replacement in San Leon
Air duct replacement in San Leon usually runs $1,600 – $3,400 for a full under-home system on an elevated cottage, with individual runs at $190 – $380 each. What drives the cost here more than anything is access: crawl spaces on the peninsula are lower, saltier, and harder to work in than any slab home’s attic, which is why we quote only after seeing the space, never over the phone from a generic price sheet.
You deserve to know the actual number before you commit. We put the total price in writing before any work begins, and that number is the number. No per-vent add-ons, no surprise line items, no “while we were in there” increases.
Post-Storm Replacement Protocol
When water moves under an elevated San Leon home, we follow a set order: first, camera the main trunk and every supply run to find exactly where water reached. Second, take moisture readings on the interior liner and the deck structure. Third, photograph everything with timestamps and location context so the adjuster sees what we saw.
Only after that documentation do we recommend replacement versus cleaning. A run that’s dry internally but separated at the collar gets re-sealed and clamped. A run with saturated insulation gets replaced. The distinction matters because your insurer will ask the question, and you’ll want the photos to answer it.
Materials Sized for Bay Conditions
We use R-8 insulated flex duct in San Leon crawl spaces, not the R-6 that works fine in a dry inland attic. The higher insulation value slows condensation on the outer jacket when warm, salt-laden air hits the cold duct surface. It’s a small material upgrade that prevents the mildew bloom so common under peninsula homes.
All replacement collars get a mastic seal under the clamp, not just a zip tie. We’ve seen too many San Leon repairs where the tie was the only thing holding the connection together, and that’s exactly why the separation happened in the first place.
Trusted Brands We Service in San Leon
We stock repair parts and replacement flex compatible with the systems most common in San Leon homes, including Nikro air washing equipment and filtration products from Honeywell and Aprilaire. If you have an older Aprilaire media cabinet or a Honeywell electronic air cleaner wired into your return plenum, we service and re-seal those connections as part of any duct repair. The Abatement Technologies HEPA filtration units we run during remediation style cleanups are the same units used in commercial restoration, and they’re part of our standard tool load on post-storm San Leon jobs. Parts for these brands arrive faster because we keep common collars, clamps, and connectors on the truck, not back at a warehouse 50 miles away.
Common Air Duct Repair Problems We See in San Leon Homes
- Collar separation under elevated floors: Salt-laden air corrodes the band clamps and zip ties holding flex duct to the supply collars, so runs literally pull loose and hang open under the deck. This gap pulls crawl-space humidity and dead insects straight into the air you breathe.
- Water-wicked insulation liner: Even when the inside of the duct looks dry, storm surge and sustained 85 – 95% relative humidity saturate the fiberglass jacket around the liner. That hidden moisture feeds mildew that cleaning alone can’t remove.
- Corroded air handler cabinets and blower housings: The same salt air that attacks duct collars also eats into the metal housing around your evaporator coil and blower motor. A corroded blower pulls less air, runs longer, and holds more crawl-space dampness, which loops right back into duct degradation.
- Pre-Hurricane Ike ductwork failing at the seams: Homes built before 2008 often have duct sections joined with foil tape that’s now brittle and peeling. The tape loses its grip in bay humidity, and every peeled seam is an active leak feeding your insulation with moist bay air.
Pricing for Air Duct Repair in San Leon, TX
Smaller targeted repairs like re-sealing two or three separated collars in San Leon typically run $240 – $480. Replacing a damaged flex run under a piling home usually lands between $190 and $380 per run. Full under-home replacement on a two- or three-bedroom elevated cottage generally costs $1,800 – $3,400, depending on crawl-space access and how many runs are saturated. The largest variable we see is post-storm water saturation: repairs from cleaning alone are cheaper, but when the liner is soaked, replacement is the only honest fix. Call (980) 447-2498 for a written, flat-rate quote on your specific San Leon home. Estimates are free, and the price you get is the price you pay.
We Also Serve Cities Near San Leon
Linden Air Duct Cleaning works across the greater Houston region. If you’re just outside the peninsula, we regularly handle Air Duct Repair jobs in Houston, San Antonio, Dallas, and Fort Worth. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, with crews serving San Leon locally. Whichever city you’re in, the same written price-before-work standard applies. For a full look at our Air Duct Repair in San Leon service area, visit our dedicated local page.
Serving San Leon, TX - Our Local Coverage Area
We’re based in the San Leon 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 About Air Duct Repair in San Leon
No. If the water reached the duct insulation liner, cleaning alone will trap moisture between the liner and the coil, and mildew will bloom within weeks. The duct run has to be replaced. If the water only pooled on the ground below and the ducts stayed dry, then a cleaning and re-seal may be enough. We run a camera and take moisture readings to prove which case you have, with photos your adjuster can use. Call (980) 447-2498 for a free inspection after any under-home water event in San Leon.
Because duct collars here are exposed to salt air and sustained 85 – 95% humidity year-round, and the metal clamp or plastic zip tie holding the flex to the collar corrodes and snaps within a few seasons. In slab homes 20 miles north, ductwork sits in a dry attic where components last decades. Under a San Leon piling home, the connection is essentially outdoors, and that changes everything about how fast it fails. We re-secure with stainless hardware built for marine conditions.
A camera pushed through the main trunk shows you the interior liner, the exact point where insulation is saturated, any critter debris or insect entry points, and the true condition of every connection downstream. From a dank crawl space, a visual glance might tell you the flex looks okay on the outside while the liner inside is mold-bloomed or collapsed. We document every finding with stills and moisture readings, so you’re not taking anyone’s word on faith. The camera is part of every San Leon repair quote at no charge.
Yes. Every repair or replacement in San Leon includes negative-pressure extraction after the work is done, so loosened debris, fiberglass particles, and construction dust are pulled out of the system rather than blown through your supply registers. We run Abatement Technologies HEPA filtration during post-storm remediation work, which matters when bay water has moved through a crawl space. This equipment is standard on our trucks, not an add-on upgrade.
Salt in the air accelerates corrosion on the air handler cabinet, evaporator coil housing, and blower motor mounts. A corroded blower housing pulls less air through the ducts, so the system runs longer, holds more humidity, and keeps the crawl space wetter than it should be. That wetter crawl space then feeds more corrosion into the duct collars, and the cycle repeats. Any San Leon repair that ignores the blower is only half a fix. Call (980) 447-2498 and we’ll check the full system, not just the duct runs you can see from the access hatch.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving San Leon with the Threshold Standard since 2004.