Duct Sealing in Georgetown - Tested First, Written Price Second

Fast, Reliable Duct Sealing Across Georgetown

Duct sealing in Georgetown typically runs $450 – $1,200 for a whole-home system, and most jobs are scheduled within a few days. If your vents are blowing dust or your upstairs rooms never cool properly, the problem is usually air leaking out of the ducts before it reaches your living space.

Call (361) 326-5060

We serve Georgetown from our Austin dispatch office, with crews running daily routes through Sun City Texas, Wolf Ranch, and the historic district near the Williamson County Courthouse square. Whether you own a 1920s bungalow with original galvanized steel or a new build with flex ductwork buried in the attic, we’ve sealed both. Our technicians arrive in marked vans, uniformed and background-checked, with written prices before any work starts. Call (361) 326-5060 for a free estimate.

Why Hollis Air Duct Cleaning Is Georgetown’s Preferred Duct Sealing Company

We’ve been part of the Garrison Partners family since 2004, and our Duct Sealing in Georgetown crew has handled the specific problems this city’s housing stock creates. That means knowing how to work in tight historic attics without damaging original plaster, and knowing where Wolf Ranch builders typically leave flex connections loose.

Our 365-Day Done Right Promise covers every sealing job in writing. If a joint we sealed fails within a year, we return and make it right at no charge, including a free second visit. No negotiating, no runaround.

Phones are answered by a live person 24 hours a day, 7 days a week. When you call (361) 326-5060, you talk to a human who can schedule your Georgetown appointment, not a voicemail loop.

Technicians follow The Garrison Code on every job: arrive inside the quoted window, price in writing, complete the work by the book, leave the site clean. That discipline is why Georgetown homeowners call us back for dryer vent cleaning and full system maintenance.

HVAC Duct Sealing in Georgetown

HVAC Duct Sealing in Georgetown means closing the gaps, joints, and seams where conditioned air escapes before reaching your rooms. In a city with Georgetown’s split housing stock, we see two distinct problems: original galvanized steel ducts in historic homes that leak at every joint, and flex ductwork in newer communities that loosens at connections or gets punctured during construction.

Most Georgetown homeowners need duct sealing when they notice uneven temperatures between rooms, rising energy bills, or excess dust on surfaces even after cleaning. The hot, humid summers here force your AC to work harder; when 20 – 30% of that cooled air leaks into your attic or crawl space, you’re paying to cool space you don’t use.

How We Seal Different Duct Types

For galvanized steel systems, we use mastic sealant, a thick, flexible compound brushed onto joints and seams that hardens into a permanent, airtight bond. It’s far more durable than foil tape, which dries out and fails within a few years in Georgetown’s heat. For flex duct, we secure connections with mechanical fasteners and seal the collar with mastic, then test with a duct blaster to verify the repair.

Testing and Verification

Every sealing job includes pressure testing. We use a duct blaster, a calibrated fan that measures air leakage before and after sealing, so you see the improvement in hard numbers. A typical Georgetown home starts at 20 – 30% leakage and ends below 10%, the threshold most HVAC engineers recommend.

Duct Repair in Georgetown

Duct Repair in Georgetown addresses physical damage that sealing alone won’t fix: crushed flex runs, disconnected trunk lines, corroded galvanized sections, and holes from rodents or construction activity. The limestone dust that blows through Georgetown’s historic attics accelerates corrosion in older metal ducts, while new builds often have flex duct kinked or compressed during insulation installation.

When we inspect a Georgetown system, we run a camera through the trunk line to locate damage without tearing open walls or ceilings. If we find a section that’s too far gone, we replace it with new ductwork matched to your system’s capacity, then seal all connections. The price for repairs depends on accessibility and extent of damage; most partial repairs fall between $300 and $800, with full trunk line replacement running higher.

Historic Home Challenges

Original ducts in Georgetown’s historic district were often retrofitted into attics with no regard for modern airflow standards. They’re frequently undersized, corroded, and leaking at every joint. We repair what we can and replace what we must, always documenting with before-and-after photos so you understand what was done.

New Build Issues

Homes in Wolf Ranch and similar developments sometimes have flex ductwork that’s been damaged during construction or compressed by blown insulation. We see crushed runs that reduce airflow to entire wings of the house. Our Duct Sealing team locates and repairs these problems, then verifies airflow at each vent with a digital anemometer.

Trusted Brands We Service in Georgetown

We carry professional-grade equipment from Nikro, Honeywell, and Aprilaire, the same tools commercial HVAC crews use. For Georgetown homeowners, that means we don’t order parts and make you wait; our vans stock mastic sealant, mechanical fasteners, flex duct in standard diameters, and replacement collars. When we find a problem, we fix it that day. Our rotary brush systems from Rotobrush and negative-air machines from Nikro handle everything from light sealing prep to full system restoration. We also source filtration upgrades through Honeywell and Aprilaire if your sealed ducts need better protection against Georgetown’s limestone dust and spring pollen.

Common Duct Sealing Problems We See in Georgetown Homes

• Leaky galvanized joints in historic homes. Original steel ducts near the Williamson County Courthouse square and surrounding blocks were joined with simple slip connections and tape that’s long since failed. During hot, dry summer months, negative pressure in these systems pulls fine limestone dust straight from the attic into your living space.
• Loose flex connections in new construction. Builders in Sun City Texas and Wolf Ranch sometimes leave flex duct connections unsecured or seal them with tape that degrades. Once the connection loosens, humid attic air and construction debris enter the system.
• Shared duct stacks in townhomes and condos. Multi-unit buildings in Georgetown’s denser neighborhoods often share vertical chases between units. Leaks between these stacks allow air, odors, and even lint to cross between homes, and they create fire hazards when dryer vents are involved.
• Undersized returns choking airflow. Many Georgetown homes, especially historic ones with retrofitted systems, have return ducts too small for modern HVAC equipment. The system works harder, wears faster, and never achieves even temperatures.

Pricing for Duct Sealing in Georgetown, TX

We Also Serve Cities Near Georgetown

Our crews run regular routes through Round Rock, Hutto, Leander, and Cedar Park. If you’re outside Georgetown city limits but in the northern Austin metro, we can likely schedule you on the same dispatch cycle. Call (361) 326-5060 to confirm coverage for your address.

FAQs About Duct Sealing in Georgetown