Duct Sealing in Wells Branch, TX | Hollis Air Duct Cleaning

Duct Sealing in Wells Branch - Tested First, Written Price Second

We measure the actual leakage before recommending any work, then put the scope and the price in writing. You are paying to fix a measured problem, not a guess.

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Every visit starts with

Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents

Worth knowing

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.

Styles & brands we work with

Whole-home duct cleaning
Whole-home duct cleaning
Dryer vent cleaning
Dryer vent cleaning
Camera inspection
Camera inspection
Sanitizing & deodorizing
Sanitizing & deodorizing

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Duct Sealing Across Wells Branch

We’re the crew Hollis Air Duct Cleaning sends when a Wells Branch homeowner calls with rooms that won’t heat evenly, dust that keeps coming back, or a recent cleaning that exposed bigger problems in the attic. Our Austin office coordinates scheduling for Wells Branch, and our technicians are usually on-site within a day or two, not next week. We know the area: the loop off Wells Port Drive, the streets around McNeil Road, the two-story homes built during the 1990s boom. That local knowledge matters because Wells Branch isn’t a generic suburb. Its houses went up in a specific window, with specific materials, and they’ve aged in a specific way. Call (361) 326-5060 for a free estimate.

Call (361) 326-5060

Why Hollis Air Duct Cleaning Is Wells Branch’s Preferred Duct Sealing Company

We’ve been working in Wells Branch long enough to recognize the house styles before we pull into the driveway. The 1980s ranches near McNeil Road with their original attic flex duct. The 1990s two-stories off Wells Port Drive where the upstairs unit was sized for a smaller load than Austin’s summers actually deliver. When a Wells Branch homeowner calls us back, it’s usually because we found something during a cleaning that other crews missed, explained it with a camera photo, and priced the fix in writing before touching a tool.

Our technicians are background-checked and uniformed, and they work under The Garrison Code: arrive inside the window, price in writing, complete the job by the book, leave the site clean. Every repair we make in Wells Branch carries our 365-Day Done Right Promise. If the seal fails or the connection pulls loose within a year, we return and make it right at no charge, including a free second visit. That’s not a slogan. It’s written on every job sheet.

Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues.

Air Duct Sealing in Wells Branch

Air Duct Sealing in Wells Branch is often the real fix behind a cleaning job that seemed straightforward. Our Rotobrush source removal pulls decades of pollen and dust from original 1980s – 2000s flex duct, and that process frequently reveals what the debris was hiding: crushed runs, torn collars, and separated joints that were starving rooms of airflow long before the dust became visible. A typical Air Duct Sealing job in Wells Branch runs $450 – $1,200 depending on how many runs need attention and whether we’re repairing connections or replacing damaged flex.

What We Find During Cleaning

In the Wells Branch loop off Wells Port Drive, we cleaned a two-story 1990s home whose upstairs registers were barely moving air. Our camera inspection found a flex supply duct crushed under attic storage and an original collar pulled loose from the air handler; after source removal with our Rotobrush, we sealed the joints and reconnected the run, and the upstairs finally balanced with the downstairs unit. This is common. Original flex duct connections separate as the attic heats and cools, so sealed joints fail at the collar and boots rather than mid-run.

When Sealing Becomes Necessary

Crushed or kinked flex runs under attic storage and low clearances don’t leak at first. They starve whole rooms of airflow until a camera inspection exposes them during a pollen-season clean. Austin’s humidity encourages microbial growth inside original ductwork, and sealing over compromised liner traps odor and spores instead of fixing the source. We won’t seal duct that needs replacement. We’ll show you the photo and explain why.

Duct Sealing Services in Wells Branch

Duct Sealing Services in Wells Branch address the specific failure modes of this area’s housing stock. Most homes here are slab-built, single-family structures from the 1980s – 2000s with attic flex duct systems and heat pumps, often two stories with one unit per floor. Some older homes still have original ductwork showing loose connections and microbial growth from Austin’s humidity. Our Duct Sealing team uses professional-grade mastic and mechanical fasteners to reconnect separated collars, seal boot connections, and repair accessible flex runs. A typical Duct Sealing Services call in Wells Branch runs $450 – $1,200.

Mastic vs. Tape

We use duct sealing mastic, a thick, fiber-reinforced compound that remains flexible after curing. Foil tape degrades in hot attics. Mastic doesn’t. For Wells Branch homes where attic temperatures exceed 140°F in July, this matters. The seal we put down in March is still holding in August.

Mastic vs. Tape

Equipment We Bring

Our crews carry Nikro negative-air machines for containment during the work, and we source filtration products from Honeywell and Aprilaire when a sealed system needs better protection against the pollen load that Wells Branch’s live oaks deliver every spring. The same tools commercial crews use, explained in plain terms on every job.

Equipment We Bring
Need help today?Fast, friendly service and a no-obligation free estimate.

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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Trusted Brands We Service in Wells Branch

We stock parts and materials from Honeywell, Aprilaire, and Abatement Technologies for Wells Branch customers, which means faster turnaround when a seal repair needs a specific fitting or a sealed system needs upgraded filtration. No waiting on a parts run to Austin. Our trucks carry mastic, mechanical fasteners, replacement collars, and flex duct in standard diameters. If your system uses a less common configuration, we’ll source it and schedule the return visit, not leave you with a half-finished job. That’s The Garrison Standard: price it before we touch it, complete it by the book.

Common Duct Sealing Problems We See in Wells Branch Homes

  • Original collar separations. The 1980s – 2000s flex duct in Wells Branch homes used connection methods that degrade with attic temperature swings. We find collars pulled loose from air handlers and supply boots, leaking conditioned air directly into the attic instead of the living space.
  • Crushed flex runs under storage. Homeowners store holiday decorations and old furniture in attics, often on top of flex duct. A crushed run doesn’t leak; it blocks. The room starves. Our camera finds it during cleaning, and sealing alone won’t fix it. We reroute or replace, then seal the new connection.
  • Pollen-compromised duct liner. After a cedar fever spike, techs often find attic flex ducts coated with yellow-green Ashe juniper pollen that blows into living spaces when the heat first kicks on. If the liner is intact, we clean and seal. If it’s degraded, we replace before sealing.
  • Microbial growth from humidity. Austin’s humidity encourages growth inside original ductwork. Sealing over compromised liner traps odor and spores. We inspect first. We show you the photo. Then we recommend the right fix, not the easy one.

Pricing for Duct Sealing in Wells Branch, TX

A typical duct sealing job in Wells Branch runs $450 – $1,200. Simple collar reconnections and boot sealing fall at the lower end. Multiple crushed runs, replacement of damaged flex sections, or sealing after a full cleaning push toward the higher end. We give one flat price per system, agreed in writing before work starts. No per-vent pricing. No invoice that balloons once the van is in your driveway.

What affects cost: accessibility of the attic, number of runs needing attention, whether we’re sealing existing duct or replacing damaged sections first, and whether the system needs upgraded filtration after sealing. We take before-and-after photos of your own ducts, not stock images. You’ll see what we found and what we fixed.

Estimates are free. Call (361) 326-5060 to schedule.

We Also Serve Cities Near Wells Branch

Our Duct Sealing in Wells Branch crews also travel to Houston, San Antonio, Dallas, and Fort Worth for larger projects and multi-system homes. Scheduling and dispatch are coordinated from our Austin office, with local technicians serving each metro area.

Serving Wells Branch, TX - Our Local Coverage Area

We’re based in the Wells Branch 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 Wells Branch

Why Wells Branch Chooses Hollis Air Duct Cleaning

We set the standard for duct sealing in Wells Branch.

No Per-Vent Upsells

One flat price per system, agreed before we start. We do not price per vent, and nothing gets added to the invoice that you did not approve first.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Wells Branch

Getting your duct sealing handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your duct sealing needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Wells Branch - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local duct sealing pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Wells Branch Customers Say

Trusted by homeowners across Wells Branch and surrounding areas.

★★★★★

"No sales pitch. Told me which parts of the system were fine and only cleaned what needed it."

Ted L. · Verified customer
★★★★★

"They checked each section with a camera and showed me the dust before and after. Thorough and honest."

Nicole H. · Verified customer
★★★★★

"Duct sealing along with the cleaning cut our summer bill. Straight talk and fair price."

Gwen O. · Verified customer

Current Offers

Bring these savings to your next appointment.

Flat Price Per System, Quoted Before We Start

No per-vent add-ons. Before-and-after photos on every job.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

Ready for Duct Sealing in Wells Branch?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in Wells Branch.

(361) 326-5060

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