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 Sealing Across Santa Fe
Duct sealing in Santa Fe typically costs $400 – $1,200 for a whole-home system, and most jobs are scheduled within a few business days. If your energy bills are climbing or certain rooms never cool evenly, you are probably losing conditioned air through gaps in your ductwork rather than cooling your living space.
We serve Santa Fe from our Houston dispatch office, with crews running daily routes through Galveston County. That means we know the local housing stock: the manufactured home parks off Highway 6, the newer subdivisions going up near FM 1764, and the pier-and-beam construction that puts flexible ductwork in crawlspaces where Gulf humidity does its worst damage. When you call (361) 326-5060, a live person answers, and we will give you a written price before any work starts.
Why Hollis Air Duct Cleaning Is Santa Fe’s Preferred Duct Sealing Company
Hollis has been part of the Garrison Partners family since 2004. In Santa Fe, our reputation was built on showing up inside the quoted window, pricing in writing, and leaving the site clean. That is The Garrison Standard, and it applies to every job we run in Galveston County.
Our technicians are background-checked and uniformed. You know who is walking into your home before they arrive. We do not send day-laborers or subcontractors. The same tech who quotes the job does the work.
Every duct sealing job carries our 365-Day Done Right Promise in writing. If the seal fails or the leak returns within a year, we come back and make it right at no charge, including a free second visit. No negotiation, no runaround.
We answer calls live, 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday to schedule.
Duct Sealing Services in Santa Fe
Duct Sealing Services in Santa Fe address a specific problem: conditioned air leaking out of your ductwork before it reaches your rooms, while unconditioned air from attics, crawlspaces, and wall cavities gets pulled in. In Santa Fe’s climate, this is not just an efficiency issue. Gulf humidity enters through every gap, carrying mold spores and salt air that degrades your system from the inside. A typical whole-home duct sealing job in Santa Fe runs $400 – $1,200, depending on system size, accessibility, and whether we are sealing accessible joints or running cameras through the full duct network to find hidden tears.
We use mastic sealant and fiberglass mesh for permanent joints, not duct tape, which dries and fails within months in humid conditions. For larger gaps or disconnected runs, we replace damaged sections with new flexible duct or rigid pipe, then verify the repair with a blower-door or duct-blaster test so you see the before-and-after leakage numbers in writing.
Leak Detection and Camera Inspection
Before we seal anything, we run a camera through your duct system to find the actual failure points. In Santa Fe’s older manufactured homes, this often reveals tears in flexible duct where it has rubbed against pier beams, or sagging sections where condensation pools and rusts out the wire coil. We show you the footage. You see what we see.

Post-Storm Damage Assessment
After heavy rain or hurricane conditions, we inspect for flood silt and moisture intrusion in below-floor ductwork. Sealing over wet material traps mold. We remove the source first, then seal. This is standard on our Santa Fe jobs, not an upsell.

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.
Duct Insulation in Santa Fe
Duct Insulation in Santa Fe protects against a problem that standard fiberglass wrap does not solve: condensation forming on cold duct surfaces in humid crawlspaces and attics. When your AC runs, the metal or flexible duct gets cold. Warm, moist Gulf air hits that surface and water beads up. Without proper insulation and a sealed vapor barrier, that water drips onto ceiling drywall, floor joists, and insulation, creating the exact conditions for mold growth that Santa Fe homeowners smell before they see. Duct insulation in Santa Fe typically runs $300 – $900 for a whole system, depending on linear footage and whether we are re-insulating after removing water-damaged material.
We use closed-cell foam or foil-faced fiberglass with sealed seams, not the loose wrap that slips and gaps over time. In pier-and-beam homes, we pay special attention to the insulation beneath the home, where ground moisture and foundation ventilation create a microclimate that standard attic insulation cannot handle.
Vapor Barrier Replacement
Old duct insulation often has a torn or missing vapor barrier. We strip damaged material, dry the duct surface, and install new insulation with sealed seams so humidity cannot reach the cold metal. This stops condensation at the source.
Crawlspace-Specific Solutions
In Santa Fe’s mobile home parks, ducts run through spaces that flood seasonally. We use moisture-resistant insulation rated for below-grade installation and support it so it does not sag into standing water or contact the ground.
Trusted Brands We Service in Santa Fe
Our crews carry professional-grade equipment from Nikro, Honeywell, and Aprilaire. The Nikro negative-air machines we use for source removal are the same units commercial contractors run on school and hospital jobs. For filtration upgrades after sealing, we stock Honeywell and Aprilaire media filters and can source Guardsman products for homes with severe allergen concerns. We keep common fittings and insulation materials on our Santa Fe trucks so we are not making a supply run while your system is open. Most repairs finish in a single visit.
Common Duct Sealing Problems We See in Santa Fe Homes
- Flexible duct sagging in pier-and-beam crawlspaces. In the older mobile home parks along Highway 6, flexible ducts often hang from straps that have stretched or broken. The sag creates a low point where condensation collects, rusting the wire coil and tearing the inner liner. Sealing the tear without supporting the duct properly just creates the next leak six months later.
- Flood silt intrusion after heavy rains. Santa Fe’s coastal prairie geography means water tables rise fast and crawlspaces take on moisture even without overt flooding. Ducts sitting in that environment pull humid, particle-laden air through every gap. We remove the silt mechanically before sealing, because mastic over dirt fails.
- Disregarded return duct leaks pulling in crawlspace air. Homeowners notice supply registers first, but a torn return duct under the home is worse. It pressurizes the crawlspace, pulling mold spores and humidity directly into your air handler. We test both supply and return sides.
- Aerosol “sanitiser” fogging sold as a substitute for sealing. Some outfits fog a chemical into your ducts and call it clean. Fogging does not remove biofilm or seal leaks. It masks odor temporarily while your system continues circulating contaminated air through gaps that were never fixed.
Pricing for Duct Sealing in Santa Fe, TX
A typical whole-home duct sealing in Santa Fe runs $400 – $1,200. Duct insulation runs $300 – $900. What moves you within that range is straightforward: system size (square footage and number of zones), accessibility (crawlspace height, attic hatch location), and whether we are sealing accessible joints or performing full-camera leak detection with blower-door verification.
We do not quote per-vent or teaser prices that balloon once the technician is inside. We give one flat price per system, agreed in writing before work starts. That price includes all sealant, mesh, replacement duct sections up to 10 linear feet, and post-repair testing. If we find damage that exceeds the scope, we stop and explain before proceeding. No surprises at the door.
Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Santa Fe
Our crews run regular routes through Dickinson, La Marque, Hitchcock, and League City. If you are outside Santa Fe city limits but in Galveston County, we can typically schedule you on the same route day. We also handle Duct Sealing in Santa Fe and surrounding communities with the same written pricing and 365-Day Done Right Promise.
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 About Duct Sealing in Santa Fe
Mobile homes on pier-and-beam foundations put flexible ductwork in ventilated crawlspaces that stay damp year-round from Gulf humidity and seasonal flooding. Stick-built homes with slab foundations or sealed attics isolate ducts from that moisture source. In Santa Fe’s older mobile home parks, we regularly find mold in ducts within two to three years of installation because the crawlspace microclimate overwhelms standard materials. Call (361) 326-5060 for a camera inspection if you smell mustiness.
Post-storm duct sealing must start with mechanical source removal of flood silt and wet insulation, not sealing over the damage. We inspect with cameras, remove contaminated material, dry the system, then seal and re-insulate with moisture-resistant products. We also verify with a blower-door test that the system is tight before we leave. Anything less traps moisture and guarantees mold within weeks.
Duct sealing alone fixes musty odors only if the odor source is outside air entering through leaks. If mold is already growing on duct surfaces, sealing without source removal traps the contamination. We do not sell fogging as a substitute for cleaning. We remove the biofilm mechanically, seal the leaks that let humidity in, and upgrade filtration if needed. That solves the problem. Fogging masks it.
New construction near FM 1764 and throughout western Santa Fe generates fine particulate that infiltrates duct systems through gaps in return ducts and poorly sealed plenums. If we seal your ducts without first removing that construction dust, the sealed system circulates those particles continuously. We clean first, seal second, and recommend a MERV 11 or higher filter to capture ongoing dust from nearby active building.
A MERV 11 filter is the minimum we recommend for Santa Fe homes after duct sealing. It captures mold spores, pollen, and fine dust without restricting airflow on most residential systems. If someone in the home has severe allergies or you live near active construction, MERV 13 with a compatible air handler is worth considering. We stock Honeywell and Aprilaire filters and can verify your system’s compatibility before recommending an upgrade. Call (361) 326-5060 and we will check your specs.
Ready to stop losing conditioned air to your crawlspace? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free estimate on Duct Sealing in Santa Fe. We will give you a written price before any work starts, and our 365-Day Done Right Promise covers every seal we make.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Santa Fe and Galveston County since 2004.




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