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 Clute
We dispatch to Clute from our Dallas-Fort Worth coordination office, and our crews know the route down Highway 288 well. When you call (361) 326-5060, a live person answers, day or night. No voicemail, no callback queue. We’ll get you scheduled and give you a written price before any work starts.
Clute’s not a generic suburb to us. We’ve worked on the modest single-family homes built during the 1940s through 1970s petrochemical boom, the original galvanized-metal ductwork in the neighborhoods near the Brazos River, and the newer subdivisions on the north side with flexible duct runs. The Gulf Coast humidity here is relentless, and salt-laden air during tropical systems does real damage to metal duct components over time. That local knowledge changes how we approach a sealing job. What works in a dry-climate city won’t hold up here.
Why Hollis Air Duct Cleaning Is Clute’s Preferred Duct Sealing Company
Hollis Air Duct Cleaning has been part of the Garrison Partners family since 2004. Our Clute customers come back because we show up inside the quoted window, price the job in writing before we touch anything, and leave the site clean. That’s The Garrison Standard, and it’s non-negotiable on every job.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. We run professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, the same tools commercial crews use, and we explain what we’re doing in plain terms while we work.
Every repair we make is backed by our 365-Day Done Right Promise. If the work fails within a year, we come back and make it right at no charge, including a free second visit. We put that in writing on every job. Most competitors in this trade won’t match that in writing.
Phones are answered by a live person 24 hours a day, 7 days a week. No exceptions.
Air Duct Sealing in Clute
Air Duct Sealing in Clute means closing the gaps, cracks, and disconnected joints that let conditioned air escape into your attic, crawl space, or walls before it ever reaches your rooms. In a town where HVAC systems run almost year-round, every cubic foot of cooled air that leaks out is money you’re paying to cool your attic. We typically find that Clute homes lose 20 to 30 percent of their conditioned air through duct leakage, and in older homes with original galvanized ductwork, that number can run higher.
A typical whole-system duct sealing job in Clute runs $850 to $2,400, depending on the size of the home, accessibility of the duct runs, and whether we’re working with original metal ductwork or newer flexible systems. Homes with asbestos-lined connections require additional encapsulation steps, which adds to the scope. We give you the full written price before we start, and it does not move at the door.
What We Find in Clute Attics
Disconnected runs and crushed flex are common in Clute’s older homes, especially where ducts pass through tight attic spaces or knee walls that have been bumped by maintenance work over the decades. We run a camera inspection before we seal anything, because sealing a duct that’s disconnected at the trunk is pointless, the air’s already escaping into the attic.
Mastic and Mesh on Metal
For original galvanized-metal ductwork, we use duct sealing mastic reinforced with fiberglass mesh, not tape. Mastic remains flexible as the metal expands and contracts, which matters in Clute attics that reach extreme temperatures. Tape dries out and fails. We’ve seen it.
Duct Sealing Services in Clute
Duct Sealing Services in Clute cover the full range of leakage problems, from pinhole corrosion in original metal ducts to poorly connected flex runs in newer construction. We don’t just chase the obvious leaks. We pressurize the system, measure total leakage with a duct blaster or similar diagnostic, then seal systematically from the air handler outward. The goal is to bring the entire system below industry leakage standards, not just patch the spots you can hear whistling.
Most Clute homeowners call us after noticing uneven temperatures between rooms, utility bills that climb without explanation, or musty odors that get worse when the HVAC runs. These are classic signs of duct leakage pulling unconditioned attic air into the system, or pushing conditioned air out. In Clute’s humid climate, that leakage also pulls moisture into the ducts, which feeds mold and mildew growth on the inside surfaces.
Camera Inspection First
We inspect with a borescope camera before we quote sealing work. In Clute’s older neighborhoods, we’ve found collapsed flex, rodent damage, and disconnected trunk connections that no amount of sealing would fix. We show you the footage. Then we quote what actually needs doing.

Post-Seal Verification
After sealing, we retest. The leakage number should drop measurably, and we show you the before and after. If it doesn’t meet our standard, we keep working until it does. That’s covered under the 365-Day Done Right Promise.

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.
Trusted Brands We Service in Clute
Our equipment roster includes Rotobrush rotary brush systems for mechanical agitation inside ductwork, Nikro negative-air machines for controlled debris removal, and Abatement Technologies filtration and containment products for jobs that require careful handling of older materials. We stock common sealing supplies and replacement flex locally, so most Clute jobs don’t wait on parts. For filtration upgrades tied to sealing work, we carry Honeywell, Aprilaire, and Guardsman products. These aren’t hardware-store tools. They’re the same units commercial remediation crews run, and we maintain them to that standard.
Common Duct Sealing Problems We See in Clute Homes
- Pinhole corrosion in galvanized trunk lines. Clute’s salt-laden Gulf air causes microscopic corrosion on original metal ducts, especially in homes within a few miles of the Brazos River. Sealing over this corrosion without neutralizing it first means pinholes reopen within a season as the metal continues to degrade.
- Disconnected runs hidden in attics. The modest rooflines and tight attic spaces common in Clute’s 1940s – 1970s housing stock mean duct runs get bumped during roofing or pest control work. A run pops off the trunk, and the homeowner only notices when one room won’t cool or the electric bill spikes.
- Asbestos-lined connections at the air handler. Many Clute homes still have original 1960s ductwork with asbestos-lined connections at the trunk junctions. Standard mastic or tape won’t adhere to deteriorating asbestos paper, and disturbing it without proper encapsulation creates a contamination hazard. We handle these per protocol before sealing around them.
- Crushed flex behind knee walls or in soffits. Newer Clute homes with flexible ductwork often have runs pinched behind finished walls or compressed by storage items in attic spaces. The duct looks intact from the outside but is effectively blocked, forcing the system to overwork and leak at the remaining connections.
Pricing for Duct Sealing in Clute, TX
Whole-system duct sealing in Clute typically runs $850 to $2,400. Smaller homes with accessible ductwork and straightforward metal trunk sealing fall at the lower end. Larger homes, complex attic layouts, or jobs requiring asbestos encapsulation before sealing run higher. We do not quote per-vent pricing, that structure invites bait-and-switch tactics we don’t use. One flat price per system, agreed in writing before work starts.
What moves the price: the linear feet of duct to seal, whether we’re working with rigid metal or flexible duct, accessibility (crawl space versus walk-in attic), and whether we find disconnected or damaged runs that need repair before sealing can be effective. Asbestos-lined connections require additional containment and encapsulation steps, which we price separately and explain upfront.
Estimates are free. Call (361) 326-5060 and we’ll schedule a inspection with camera diagnostics. You’ll get a written quote that day, and the price on that paper is the price you pay.
We Also Serve Cities Near Clute
Our crews work throughout Brazoria County and beyond, including Duct Sealing in Clute and surrounding communities. We regularly dispatch to Lake Jackson, Freeport, Angleton, and West Columbia. The same written pricing, same background-checked technicians, same 365-Day Done Right Promise applies whether you’re on the Clute side of the Brazos or across the county line.
Serving Clute, TX - Our Local Coverage Area
We’re based in the Clute 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 Clute
Original galvanized-metal ductwork from the 1960s corrodes faster in Clute’s salt-air and humidity, and many homes still have asbestos-lined connections that deteriorate under constant moisture cycling. Newer flexible duct systems don’t have the corrosion problem, but they’re more easily crushed or disconnected. The older metal systems simply have more years of cumulative damage. Call (361) 326-5060 for a free inspection and we’ll show you exactly what your system looks like inside.
We encapsulate deteriorating asbestos paper with approved containment materials before applying any sealing product around the connection. Standard mastic or tape will not bond to friable asbestos surfacing and can disturb fibers. Our technicians are trained to protocol on these encounters, using Abatement Technologies containment products, and we document the condition with camera footage before and after. This step is priced upfront, never added as a surprise.
Yes, if the musty odor is coming from humid attic air being pulled into leaky ductwork. After tropical systems, the combination of power outages (which shut down dehumidification) and wind-driven rain intrusion spikes moisture in attics and crawl spaces. If your ducts are leaking, that moist air enters the system and circulates through your home. Sealing the leaks stops the infiltration. If mold has already colonized the duct interior, sealing alone won’t remove it, we may recommend source removal first. We can diagnose which situation you’re facing with a camera inspection. Call (361) 326-5060 to schedule.
We start with a camera inspection of the full system, then set up negative pressure containment if asbestos-lined connections are present. Corroded metal gets cleaned and prepped, not simply painted over with mastic. Disconnected runs are reconnected or replaced. Then we seal all accessible joints with mastic and fiberglass mesh, working from the air handler outward. Finally, we retest for leakage and show you the improvement. A typical job takes four to eight hours depending on system size and condition.
Humidity accelerates the failure of sealing products applied over corroded or contaminated metal, which is why we don’t take shortcuts on surface prep. Properly applied mastic on clean, sound metal lasts many years even in Clute’s climate. Sealing over active corrosion or biological growth, however, can fail within a single season as the underlying material continues to deteriorate. We warranty our work for 365 days under the Done Right Promise, and we build it to last well beyond that by doing the prep right the first time.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Clute and surrounding communities since 2004.




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