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Stop paying to cool your attic. We find and seal the leaks that waste your air. Green Air Duct Club has served San Antonio and Bexar County since 2009 — family owned, licensed and insured, and rated 4.9 stars from 300+ Google reviews.

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San Antonio sits where Hill Country pollen meets South Texas heat and humidity. That combination loads ductwork with allergens, feeds mold in damp sections, and makes your system push harder for the same comfort — which is exactly why local homeowners stay on a regular service rhythm.
In San Antonio we serve every neighborhood — Stone Oak, Alamo Ranch, the Medical Center area, King William, Monte Vista, Tobin Hill, the Pearl and Southtown, Terrell Heights, Denver Heights, Highland Hills, Harlandale, Woodlawn Lake, Beacon Hill, and everywhere inside Loop 410 and out to Loop 1604.
Simple, honest, and done in one visit.
We inspect your duct system and show you photos of the leaks and disconnected joints we find.
You get a clear, itemized quote. Nothing is sealed — or charged — until you approve it.
We seal joints, seams, and connections with mastic systems built to last in Texas attic heat.
We re-check airflow room by room so you can feel the difference where you actually live.
Every home is different, so we inspect first — free — show you photos of what we find, and give you one firm written quote. The price we quote is the price you pay.
📞 Call (210) 790-3600The U.S. Department of Energy estimates typical duct systems lose 25–30% of the air they carry through leaks and poor connections. In a San Antonio home running AC most of the year, sealing those leaks is often the fastest payback in the whole system.
Every San Antonio home is different, so we inspect first and give you an honest written quote before any work. The inspection itself is free, with photos and zero pressure.
Often, yes. Leaks on the return side pull attic and wall-cavity dust straight into your air stream. Sealing those gaps in your San Antonio home can noticeably cut the dust that settles on furniture.
Most San Antonio homes take half a day to a full day, depending on how much ductwork is accessible and how many leaks we find.
It can — and booking sealing together with your $99 duct cleaning in San Antonio is the most efficient route, since the system is already open and inspected.
Choose your community for local details and booking:
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Complete duct cleaning for one flat price per system — unlimited vents included.
Learn more →Full lint removal from the entire vent line — safer dryer, faster loads, lower bills.
Learn more →Crushed, torn, or moldy ductwork can't be cleaned back to life. We replace it right.
Learn more →Mold in the ductwork spreads spores through every room. We remove it safely at the source.
Learn more →A UV light inside your HVAC system works around the clock against mold, bacteria, and odors.
Learn more →Stop guessing about the air in your home. We measure it, explain it, and show you the numbers.
Learn more →Cooking, pets, smoke, mustiness — if the smell lives in your ducts, we get it out at the source.
Learn more →Same-day appointments are available across San Antonio & Bexar County. Free inspection, honest pricing, pay only when you're happy.
📞 Call (210) 790-3600 Book Online