Air duct sealing

Leaky ducts can waste up to 30% of the air you pay to heat and cool. Green Home Services seals ductwork for San Antonio and Austin homes, improving comfort, lowering energy bills, and keeping your air cleaner.

Stop Wasting Conditioned Air

Professional Air Duct Sealing

Small gaps and leaks in your ductwork let conditioned air escape into attics and wall cavities before it ever reaches your rooms. We locate and seal those leaks so your system delivers air where it belongs. The payoff is more even temperatures from room to room, lower energy bills, and less dust and unconditioned air being pulled into the system.

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Why Air Duct Sealing Is Important

Sealing stops the costly air loss that makes your home less comfortable and your bills higher.

Ductwork is the delivery network for your entire heating and cooling system, and when it leaks, everything suffers. Industry studies show leaky ducts can waste twenty to thirty percent of the conditioned air moving through them, air you have already paid to heat or cool, letting it escape into attics, crawlspaces, and wall cavities. The result is uneven temperatures, rooms that never feel comfortable, higher energy bills, and more dust and contaminants pulled into the system through the gaps. Professional duct sealing closes those leaks, so conditioned air reaches your living spaces, temperatures even out, efficiency improves, and your air stays cleaner. For many homes, the energy savings make sealing pay for itself over time.

Our Duct Sealing Process

We find the leaks and seal them for a tighter, more efficient system.
We inspect your ductwork to locate leaks and problem areas.

Inspect

01

We identify where conditioned air is escaping.

Test

02

We seal gaps and joints with durable, professional-grade materials.

Seal

03

We confirm improved airflow and a tighter, more efficient system.

Verify

04

Stop Wasting Conditioned Air

Why Choose Green Home Services

Homeowners across San Antonio and Austin trust Green Home Services for air duct sealing because we treat every home like our own. Our technicians are certified, background-checked, and focused on doing the job right the first time, with no upsells, no mess, and no shortcuts. We stand behind every visit with a 100% satisfaction guarantee, and we offer same-day and weekend appointments so protecting your home never has to wait.

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Air Duct Sealing FAQ

Answers to the questions homeowners ask us most about air duct sealing.

Sealing closes leaks and gaps in your ductwork so conditioned air reaches its destination instead of escaping.

Uneven room temperatures, high energy bills and rooms that never seem to heat or cool well are common signs.

Leaky ducts can waste 20 to 30 percent of conditioned air, so sealing can noticeably lower energy bills.

Yes. Sealed ducts deliver more consistent temperatures and better airflow throughout your home.

For homes with leaks, sealing improves efficiency, comfort and air quality and often pays for itself over time.

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