Whole-home duct cleaning
Dryer vent cleaning
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Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
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.
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AfterHow Much Does Air Duct Cleaning Cost in San Antonio?
Air duct cleaning in San Antonio typically costs between $285 and $490 for a full-system cleaning of an average single-family home, with most homeowners paying around $370. That range covers roughly 10 to 14 supply and return vents, two returns, and the main trunk lines. The final number depends on home size, how long it’s been since the last cleaning, and whether you add services like dryer vent cleaning or sanitizing treatment.
We put the price in writing before any work begins, so you’ll never get a surprise invoice at the end. Call (430) 233-7681 for a free estimate, and you’ll know your exact cost before you decide anything.
Air Duct Cleaning Cost Breakdown (2026)
Here’s what we see across San Antonio for each component of an air duct cleaning job in 2026. These reflect the pricing landscape for homes from Alamo Heights to Stone Oak to Helotes, not national averages that don’t match our market.
| Service Component | Typical Range in San Antonio |
|---|---|
| Full system cleaning, home up to 1,500 sq ft | $285 – $340 |
| Full system cleaning, home 1,500 – 2,500 sq ft | $340 – $425 |
| Full system cleaning, home 2,500 – 3,500 sq ft | $425 – $490 |
| Full system cleaning, home over 3,500 sq ft | $490 – $650+ |
| Additional vent beyond package count | $15 – $25 per vent |
| Dryer vent cleaning | $90 – $150 |
| Sanitizing / antimicrobial fogging | $125 – $200 |
| Air filter replacement (basic media filter) | $15 – $40 |
| Return air deep clean / coil cleaning add-on | $80 – $160 |
Two things you should know about these numbers. First, homes with two separate HVAC systems, common in San Antonio’s older two-story houses and newer additions, run higher because there are two evaporator coils and two sets of trunk lines to work through. Second, if the system hasn’t been opened in years, or if previous homeowners had pets, expect the job to take longer, and the price to sit at the top of the range or slightly above it.
Every job we quote includes negative-pressure extraction, which means we create a vacuum on the duct system while agitating the buildup inside, so debris is pulled to the collection unit rather than pushed into your living space. We also include the main trunk lines, all accessible supply and return vents, and a visual inspection of the system before we start. Nothing gets skipped.
What Affects Air Duct Cleaning Pricing in San Antonio
If you’re comparing quotes, here’s what actually moves the number in our market:
- Home square footage and vent count. More vents mean more time. A 1,200-square-foot home in Beacon Hill might have 8 vents total, while a 3,400-square-foot home in Rogers Ranch could have 20 or more. Every additional vent adds labor.
- Number of HVAC systems. A single-story home in Jefferson typically has one system. A two-story home in Terrell Hills often has two, sometimes with one in the attic and one in a closet. Two systems means the job essentially runs twice.
- How long since the last cleaning. San Antonio’s limestone-heavy soil and high pollen seasons put a lot of dust into the air. We regularly see systems in older homes near the Pearl District that haven’t been cleaned in 10 to 15 years, and the buildup is thick enough to double the time per vent.
- Access difficulty. Some attics in San Antonio’s 1950s and 1960s ranch homes have tight clearances and low-pitch roofs. When access is constricted, the technician works slower and more carefully, and the price reflects that time.
- Mold or moisture findings. San Antonio humidity runs high from May through October. If we find mold growth during the inspection, you should know before the cleaning moves forward. Sanitizing and antimicrobial fogging adds $125 to $200, and if the source is a leaking coil or duct, you’ll want the repair addressed or the problem returns.
- Add-on services. Dryer vent cleaning, coil cleaning, and air filter upgrades are quoted separately so you can see exactly what each line item costs. There’s no bundle-pricing gymnastics.
Why San Antonio Homes Need More Frequent Attention Than You Might Think
San Antonio’s climate does two things at once. It gives us long stretches of dry, dusty conditions in summer, and it gives us humidity that sits in the air like a blanket in spring and early fall. Dust accumulates, then humidity causes some of that dust to bind against the duct walls. After a few years, that layer hardens, and a basic cleaning won’t move it without real agitation from professional-grade brushes and vacuum equipment.
We also see cedar pollen from the Hill Country blow through San Antonio every winter. Cedar fever season hits hard from December through February, and a lot of that pollen ends up in return registers. If anyone in your household has allergies, that’s the wrong thing to have cycling through the air handler all day.
Older homes in neighborhoods like Monte Vista and Mahncke Park often have original ductwork that’s been patched and sealed over decades, which is why air duct cleaning near me in San Antonio, TX searches spike in these areas. These systems collect more dust at the seams and joints, and they need cleaning more often. Newer construction in places like Fair Oaks Ranch and Cibolo tends to hold up better in the first five to seven years, but even new builds get construction debris in the ducts from the drywall phase onward.
What Our Air Duct Cleaning Includes
When Linden Air Duct San Antonio cleans your system, you know the full scope before we schedule the visit. Here’s what the price covers on every job:
- Written price before any work starts. The quote is the quote. If we find something during the job that changes the price, we stop and talk to you first. There is no situation where you get a different invoice than the number you approved.
- Negative-pressure extraction on the full system. We connect professional-grade Rotobrush or Nikro equipment directly to the duct system and pull debris into a filtered collection unit outside or in the driveway. The agitation tools run through every accessible run of duct.
- All supply and return vents, plus trunk lines. We don’t just vacuum the visible register openings. The main trunk line, branch runs, and returns all get worked. That’s the difference between cleaning what you can see and cleaning what’s actually moving your air.
- Visual inspection before and after. Your technician checks the evaporator coil area, return plenum, and accessible duct sections before starting, and again once the work is done.
- Before-and-after photos on request. If you want to see what came out of the ducts, we’ll show you. Most people are surprised at the volume of dust and debris that their system has been holding.
Here’s the part most San Antonio homeowners ask about: who is actually at the door. Every technician at Linden Air Duct San Antonio is background-checked and identity-verified under The Threshold Standard. Before your appointment, we send you the technician’s name and photo. When they arrive, they’re in a clean, marked uniform, they show a photo ID badge at the door, and they introduce themselves. You never have to wonder whether the person at your door is actually who they claim to be. That standard has been part of how we operate since 2004, and it’s not an add-on. It’s the way every visit works.
Air Duct Cleaning vs. Repair vs. Replacement: What You Actually Need
Sometimes the answer is not a cleaning. If your ducts are disintegrating, full of holes, or leaking at the joints, cleaning won’t fix the problem. Our air duct cleaning in San Antonio service includes an inspection, but if we find tears, collapsed sections, or failed seals, we’ll be straight with you about what needs repair and what cleaning can and cannot solve.
Repairs run a different price range than cleaning. Small patch jobs and resealing at accessible joints might run $150 to $350. Replacing a section of flex duct in a hot attic might run $200 to $450, depending on the run length and access. Replacing an entire duct system in a 2,000-square-foot San Antonio home typically lands between $2,800 and $5,500. If your system is over 20 years old and the ducts are original, cleaning may just be delaying an inevitable replacement. We’ll tell you that upfront rather than take your money for a cleaning that won’t help.
Every repair we do comes with a written guarantee and a free second visit if the repair fails. That’s not a verbal promise. You get it in writing on the work order, and it covers our work for 365 days. If a covered repair doesn’t hold, we come back at no charge.
How to Save on Air Duct Cleaning in San Antonio
You don’t need to cut corners to cut the price. Here’s what actually works in our market:
- Bundle dryer vent cleaning with the duct cleaning. If your dryer vent hasn’t been cleaned in a year or more, adding it to the same visit typically saves $30 to $50 versus booking it separately. We’re already at the house with the equipment running.
- Change your air filters on a real schedule. San Antonio’s dust load, combined with AC running from March through November, means filters load up fast. A $15 filter changed every 60 to 90 days means less debris reaching the ducts, which means a faster, more affordable cleaning when it does happen.
- Clean the return registers and visible vent covers monthly. This doesn’t replace professional cleaning, but it keeps surface dust from being pulled into the system between cleanings. It also means less labor when we’re in the home.
- Don’t wait until the dust is visible at every register. By that point, the system has been circulating heavily loaded air for months. Cleaning earlier, when buildup is lighter, keeps the per-hour labor lower.
- Ask for the written quote before you agree to anything. This sounds obvious, but a lot of San Antonio duct cleaners give a verbal number and then surprise you with add-ons. A written, line-item quote protects you and makes comparison shopping straightforward.
- Call us for a free estimate. The estimate is free whether or not you book. We’ll ask about your home’s square footage, vent count, number of systems, and when the system was last cleaned, and we’ll give you a real number. Call (430) 233-7681 and you’ll speak to a live person, not a voicemail tree.
San Antonio Market Realities: What We See in the Field
Here’s what our technicians actually encounter in different parts of the city, and why it matters for pricing:
Alamo Heights, Terrell Hills, Olmos Park: These neighborhoods have a mix of 1930s to 1960s homes. The ductwork in many of these houses is original or only partially updated. We see a lot of rigid metal duct in these homes, which actually cleans well once the years of buildup are broken loose. But access is often through small attic hatches, and some systems have never been fully opened. Expect the job to run toward the middle-to-high end of the range if the system hasn’t been touched in decades.
Stone Oak, Rogers Ranch, The Vineyard: Larger homes, often with two systems, high ceilings, and long duct runs, which is why commercial duct cleaning techniques sometimes apply even for residential jobs here. The price for these homes follows the square footage ranges above, usually landing between $425 and $650 for full cleanings. These homes also tend to have more returns, and some have media cabinets or electronic air cleaners that need the filters replaced separately.
Helotes, Fair Oaks Ranch, Boerne area: Homes here are exposed to a lot of Hill Country dust and pollen. Cedar pollen gets into everything. We often recommend sanitizing on top of the standard cleaning for homes with allergy sufferers, which adds $125 to $200.
Inside Loop 410, older neighborhoods like Jefferson, Beacon Hill, and Lavaca: These homes are smaller but the systems are older, and many have been converted from window units to central air at some point. Duct runs are shorter, which keeps base pricing lower, but buildup can be heavier if the system hasn’t been maintained. Many of these homes can be cleaned for $285 to $340.
If you want a precise number for your home, we give it to you over the phone, in writing, before you book. No obligation. Call (430) 233-7681.
What the 365-Day Done Right Promise Covers
If the work is not right, Linden makes it right. That’s the core of the 365-Day Done Right Promise, and you get it in writing on every single job. If a covered repair fails within 365 days, we come back at no charge. If a cleaning doesn’t meet the standard we described, we re-clean the affected areas. There’s no fine-print exception for the inconvenient parts.
This is not a goodwill gesture. It’s the standing policy of our company, and it’s printed on the work order. If something falls short, you have a written commitment to point to. That’s a different kind of transaction than handing cash to a crew you found on a flyer.
Who Is at Your Door Matters as Much as the Price
Duct cleaning means a stranger in your home, often in the attic or in closets where your HVAC equipment lives. You are letting someone into the most private spaces of your house, and you deserve to know exactly who that person is before you open the door.
Under The Threshold Standard, every Linden technician is background-checked and identity-verified. Before your visit, you receive the technician’s name and photo. When they arrive, they show a photo ID badge at the door and introduce themselves by name. Their uniform is clean and marked. If the person at the door doesn’t match the photo you were sent, don’t open it. That’s the protocol, and it protects you.
This matters for a specific reason: San Antonio has a huge number of duct cleaning companies, and the barrier to entry in this trade is low. Anyone can print a business card. The Threshold Standard exists so that you never have to guess whether the person in your attic is actually vetted, actually trained, and actually accountable. Since 2004, that’s been the foundation of how we operate as part of the Threshold Group family.
We also answer the phone with a live person, 24 hours a day, 7 days a week. No voicemail loops, no callback queues. When you call (430) 233-7681, a real human picks up.
Equipment and Methods: Why It Affects Your Price
A duct cleaning is only as good as the equipment used and the person operating it. We run professional-grade Rotobrush and Nikro systems, which are trade-trusted brands you’ll see referenced in HVAC training programs and manufacturer literature. These systems use negative-pressure extraction combined with mechanical agitation: the vacuum pulls air through the ducts while rotating brushes or air whips dislodge debris from the duct walls. The dislodged dust, hair, pollen, and construction debris flow into a filtered collection unit rather than back into your living room.
Cheaper companies sometimes use a shop-vac style setup that can’t reach past the first few feet of a duct run, or they skip agitation entirely and just vacuum the visible register openings. That’s not cleaning; it’s surface dusting. You should know what you’re paying for, and the method matters.
If you’re adding sanitizing or air-quality products, we work with Honeywell, Aprilaire, Abatement Technologies, and Guardsman for filters, media, and sanitizing agents. These are brands with real documentation and real performance data, not generic chemical mixes with no testing.
FAQs: Air Duct Cleaning Cost in San Antonio
How much does air duct cleaning cost for a 2,000 sq ft home in San Antonio?
For a 2,000-square-foot home with one HVAC system and 10 to 12 vents, expect to pay between $340 and $425 for a full cleaning. If the home has two systems or more than 14 vents, the price rises to $425 to $490. Call (430) 233-7681 for a written quote specific to your home.
Is it cheaper to clean air ducts myself?
In the short term, yes, a shop-vac and a brush from Home Depot might cost you $50 to $100. But without negative-pressure extraction and full-length agitation, you’re only cleaning the first foot or two of each vent. The buildup deeper in the system stays, and you’ll pay for a professional cleaning anyway. For ductwork, the cost of doing it wrong is paying twice.
How often should I clean my air ducts in San Antonio?
Most San Antonio homes benefit from a full duct cleaning every 3 to 5 years. Homes with pets, allergy sufferers, recent renovations, or smokers in the household should lean toward every 2 to 3 years. If you’ve never cleaned the ducts and the home is older than 10 years, schedule an inspection and cleaning now, then set your own schedule based on what we find.
Does air duct cleaning help with allergies in San Antonio?
Yes, for many people. Ducts hold pollen, dust mite debris, pet dander, and mold spores, and your HVAC system re-circulates that mix through the home every cooling cycle. San Antonio’s cedar pollen season runs December through February, and that pollen ends up in return registers. A thorough cleaning, paired with a better filter and a sanitizing treatment when needed, can reduce the particulate load in your home. If allergies are a major issue, add the sanitizing fogging at $125 to $200 when we’re already cleaning the system.
How long does air duct cleaning take?
A standard single-system home in San Antonio takes 2 to 4 hours. Larger homes with two systems or heavy buildup can take 5 to 6 hours. The technician walks you through the timeline before starting, and the price doesn’t change if the job runs longer than estimated.
Can you clean my air ducts today?
We can often schedule same-day or next-day service in San Antonio, depending on your neighborhood and our current schedule. Call (430) 233-7681 and a live person will confirm availability and give you a firm quote right then. If we can’t be there today, we’ll give you the earliest honest time slot. No games.
Get a Free, Written Duct Cleaning Estimate in San Antonio
You should know your price before you book anything. That’s not a marketing line; it’s how the transaction should work. When you call Linden Air Duct San Antonio, you’ll talk to a live person, answer a few questions about your home, and get a firm, written estimate for the full job. No fuzzy ranges, no bait pricing, no surprise add-ons at the end.
We’ve served San Antonio homeowners since 2004 with the same operating principle: verified people, written prices, and a written guarantee. Whether you’re in Alamo Heights, Stone Oak, Helotes, or anywhere else in the metro, the process is the same. You’ll know who’s coming, what it costs, and exactly what happens if anything falls short.
Call (430) 233-7681 now for your free estimate. A real person answers, 24/7.
Pricing reflects the San Antonio market as of 2026. Linden Air Duct San Antonio offers free estimates – call (430) 233-7681.
Written by Marcus Veale, Owner at Linden Air Duct San Antonio, serving San Antonio since 2004.
What Our Customers Say
"Allergy season was brutal for my kid. After the cleaning there was a noticeable drop in sneezing at night. They also replaced a cracked flex duct in the attic."
- Omar D."We had construction dust packed into every register after a remodel. They sealed off the returns, used negative pressure, and left the floors cleaner than they found them."
- Paul E."I liked that I knew who was coming in. Name and photo texted ahead, badge at the door. He was quiet, careful with the furniture, and thorough."
- Cheryl A.