Duct Sealing in Georgetown - Tested First, Written Price Second

Fast, Reliable Duct Sealing Across Georgetown

We know the Georgetown split well. Drive west of the Williamson County Courthouse square and you’ll find late 19th-century homes with galvanized steel ducts that were retrofitted into attics decades ago, pulling limestone dust through every gap. Head east toward Sun City Texas or Wolf Ranch and the challenge flips to flexible ductwork still shedding construction debris from builds finished last year. Our Duct Sealing crew handles both realities, and we schedule Georgetown jobs from our Los Angeles coordination office with technicians who’ve worked the Hill Country long enough to know what the limestone soil does to unsealed returns. If your vents are blowing dust, your upstairs rooms won’t hold temperature, or your energy bills spiked after a dry summer, call (361) 326-5060. We’ll give you a written price before any work starts, and every seal is covered by our 365-Day Done Right Promise.

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

We’ve been part of the Garrison Partners family since 2004, and that track record matters in a market where fly-by-night outfits run teaser coupons then triple the price at the door. Roy Castellanos built this operation on The Garrison Standard: arrive inside the quoted window, price in writing, complete the job by the book, leave the site clean. Our technicians are background-checked and uniformed, and our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues.

Georgetown homeowners call us back for Dryer Vent Cleaning - Georgetown and other services because we don’t play pricing games. The price you sign off on is the price you pay. If a seal fails within a year, we return and make it right at no charge, including a free second visit. That’s not a handshake deal. It’s written on every job.

Duct Repair in Georgetown

Duct Repair in Georgetown runs into two distinct problems depending on which side of the city you’re in. In the historic district near the courthouse square, we regularly find galvanized steel ducts from the 1920s to 1950s that have corroded at the joints or been damaged by decades of amateur retrofits. In newer communities like Wolf Ranch, flexible ductwork gets crushed during installation or disconnected behind drywall by settling framing. Both situations waste conditioned air and pull unfiltered attic air into your living space.

A typical duct repair in Georgetown costs $280 – $520 for accessible sections, with more extensive rebuilds running $650 – $1,100 if we need to replace long runs or access buried lines.

Corroded Metal Ductwork

Older Georgetown homes often have rigid galvanized ducts that rust at the seams after sixty or more years of humidity cycling. We cut out the damaged section and splice in new metal with mechanical fasteners and mastic sealant, not tape that will dry and fail again.

Crushed or Disconnected Flex Lines

Newer construction flex duct gets kinked behind insulation or pulled loose by thermal expansion. We re-support the run with proper hangers and seal the collar connections so the line delivers full airflow without straining your HVAC blower.

Air Duct Sealing in Georgetown

Duct Sealing - Georgetown addresses the gaps, cracks, and failed joints that let conditioned air escape into your attic or crawl space. In this market, the combination of limestone dust, high summer humidity, and frequent spring pollen events means unsealed ducts don’t just waste money, they actively degrade your indoor air. We use professional-grade mastic compounds and reinforced tape rated for Texas temperature swings, applied after a full inspection with our Nikro negative-air equipment running to keep debris contained during the work.

Whole-system duct sealing in Georgetown typically runs $1,200 – $2,400 for an average single-family home, with partial sealing of accessible problem areas starting around $450 – $780.

Mastic Sealant Application

We brush mastic onto every joint and seam in your accessible ductwork. Unlike foil tape that degrades in attic heat, mastic remains flexible and forms a permanent bond. Our crews apply it to a thickness that seals without restricting airflow at transitions.

Aeroseal Injection Method

For ducts buried behind drywall or otherwise inaccessible, we pressurize the system and inject polymer particles that bond at leak points. This method can seal gaps up to 5/8 inch from the inside, often reducing leakage by 80% or more without cutting into walls.

Trusted Brands We Service in Georgetown

Our equipment roster includes Nikro negative-air machines, Rotobrush rotary brush systems, and filtration products from Honeywell and Aprilaire. We stock common sealing materials and replacement fittings for Georgetown jobs, which means most repairs don’t wait on parts orders. When we encounter a system with Guardsman filtration components or Abatement Technologies housings, our technicians know the specs and carry the compatible sealants. That matters when you’re trying to get a home sealed before August humidity peaks, and it means we don’t return for a second trip because we showed up unprepared.

Common Duct Sealing Problems We See in Georgetown Homes

• Historic district retrofits pulling limestone dust. Homes near the courthouse square often have ducts added to attics in the 1970s and 1980s without proper sealing. During Georgetown’s dry summer months, negative pressure in these systems draws fine limestone particulate through every gap, coating filters and aggravating respiratory conditions.
• New construction debris in flex duct. Builders in Sun City Texas and Wolf Ranch sometimes leave significant dust and debris in lines before final close-in. Without sealing and cleaning, that material circulates for years, and flex duct that’s already loose at the collar gets worse as the blower strains against blockage.
• Humidity-driven mastic failure in unconditioned attics. Georgetown’s humid subtropical climate means attic temperatures swing from 40°F winter mornings to 140°F summer afternoons. Cheap sealants crack in these cycles. We use compounds rated for the full range, applied to clean, dry metal.
• Storm-season pollen infiltration through return leaks. Spring storms across the Hill Country drive oak and cedar pollen into unsealed return plenums. When your ducts leak on the intake side, that pollen bypasses your filter entirely and distributes through every room.

Pricing for Duct Sealing in Georgetown, CA

We Also Serve Cities Near Georgetown

Our Duct Sealing in Georgetown crew also handles jobs in Placerville, Pollock Pines, Diamond Springs, and Auburn. If you’re outside Georgetown city limits but within the Hill Country service radius, the same pricing structure and 365-Day Done Right Promise apply. We also offer Air Duct Cleaning in Georgetown and Dryer Vent Cleaning in Georgetown for homeowners who want the full system addressed in one visit.

FAQs About Duct Sealing in Georgetown