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AfterHow Much Does Duct Cleaning Cost in San Antonio?
Duct cleaning in San Antonio typically runs between $285 and $490 for a full-system cleaning of an average single-family home (roughly 1,500 to 2,500 square feet). Most homeowners pay around $350 for the whole job, which includes all supply and return ducts, the main trunk lines, and a basic inspection. For larger homes with two HVAC systems, expect to pay $450 to $700.
Andre Fuller and the team at Halden Heating and Air San Antonio give you a written price before any equipment gets pulled off the truck. No surprise charges at the door. If you want an exact number for your home, call (903) 623-6784 and we’ll walk you through it in about five minutes.
Duct Cleaning Cost Breakdown (2026)
Here’s what you can expect to pay in the San Antonio market right now. These numbers reflect what we see across neighborhoods like Alamo Heights, Stone Oak, Helotes, and the Leon Valley area in 2026.
| Service Component | Typical San Antonio Price Range |
|---|---|
| Full duct cleaning (single system, 1,500 – 2,500 sq ft) | $285 – $490 |
| Full duct cleaning (two systems, 3,000+ sq ft) | $450 – $700 |
| Individual vent or register cleaning | $25 – $45 per vent |
| Main trunk line only (no branch ducts) | $120 – $220 |
| Sanitizing fog or antimicrobial treatment (add-on) | $75 – $150 |
| Video inspection before/after | $50 – $100 (often included free) |
| Dryer vent cleaning (add-on or standalone) | $75 – $150 |
What moves the price? Three things, mostly. First, the number of vents in your home: a 1970s ranch in Castle Hills with 14 registers costs more than a two-bedroom condo in the Medical Center with 8. Second, accessibility: attics in San Antonio get brutally hot, and if your ductwork is buried under blown-in insulation or squeezed into a low-pitch roof, the tech spends more time up there. Third, condition: ducts that haven’t been touched in 15 years take longer than ones cleaned three years ago.
One honest note: anyone quoting under $200 for a full duct cleaning in San Antonio is either cleaning two vents and leaving, or running a bait-and-switch. We’ve seen both. A real full-system cleaning takes 2 to 4 hours with commercial equipment.
What Affects Duct Cleaning Pricing in San Antonio
Here’s what actually moves the needle on cost in this market. Some of these are specific to San Antonio and the surrounding Hill Country climate.
- Home size and vent count. Most San Antonio homes built in the 1990s and 2000s (think Alamo Ranch, Rogers Ranch, Cibolo Canyons) run 10 to 16 vents. Each vent adds labor time. More vents, more money, but the per-vent rate drops as the job gets bigger.
- Number of HVAC systems. Two-story homes in places like The Dominion or Terrell Hills often have two separate units and two separate duct systems. That’s two full jobs, not one big one.
- Duct material and age. Flexible duct (the round, insulated tubing used in most post-1980 San Antonio construction) is easier to clean than rigid sheet metal. But old flex duct in a house that survived the 2021 winter storm may be brittle, and techs have to move slower to avoid tearing it.
- Dirt, dust, and debris load. San Antonio gets cedar pollen in winter, oak pollen in spring, and fine dust blowing up from South Texas year-round. If there are pets, smokers, or a recent remodel in the home’s history, the buildup is heavier. A home near Loop 1604 construction zones accumulates more than a home on a quiet street in Olmos Park.
- Mold or moisture issues. San Antonio humidity is no joke, and poorly insulated ducts in a hot attic can sweat. If the tech finds mold or standing moisture in the ductwork, that’s a separate remediation conversation. Basic cleaning does not solve it, and we won’t pretend it does.
- Access difficulty. Attic access hatches in older San Antonio homes (Alamo Heights, Monte Vista, Jefferson) are often small and awkward. Cramped attic space extends the job. It’s not a massive price driver, but it’s real labor time.
Is Duct Cleaning Worth It in San Antonio?
Short answer: for most homes, yes, every 3 to 5 years. Here’s the reasoning specific to this region.
San Antonio sits in a climate band where your HVAC runs hard for eight months a year. That’s a lot of air moving through your ducts, and it carries dust, pet dander, and pollen with it. If you have allergies to mountain cedar or oak, the junk cycling through your vents matters. A cleaning removes layers of that accumulation.
You’ll also notice reduced dust on furniture and more consistent airflow in rooms that feel stuffy. And while duct cleaning won’t magically cut your energy bill in half, removing heavy buildup helps your system move air without working as hard. The team at Halden Heating and Air San Antonio services major brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard, and we’ll tell you if your ducts are the bottleneck or if the real issue is something else entirely.
One thing we won’t do: push a cleaning you don’t need. If your ducts look clean under a camera inspection, Andre Fuller will show you the footage and tell you to skip it. That’s the whole point of upfront pricing and documented work.
How Long Does Duct Cleaning Take?
A typical single-system home in San Antonio takes 2 to 4 hours. Two-system homes take 4 to 6 hours. That includes setup, cleaning, sanitizing if requested, and a before-and-after camera check.
Anyone promising a full duct cleaning in 45 minutes is skipping steps. Real duct cleaning means every register, every branch, the trunk lines, and the return. That takes time with negative-air pressure equipment.
How to Save on Duct Cleaning
Three practical ways to keep your cost down without cutting corners:
- Bundle it with a tune-up. If your AC or furnace is due for maintenance, combining a duct cleaning with a tune-up (which runs $80 to $200 in San Antonio) often gets you a better total price than booking separately. We’ll give you one written number for the whole job.
- Get a free estimate before you commit. Don’t guess. Call (903) 623-6784 and we’ll give you a real quote based on your home’s size, vent count, and system type. It’s free, takes five minutes, and there’s zero obligation.
- Handle the small stuff yourself between cleanings. Change your air filter every 30 to 60 days, vacuum your return vents monthly, and keep furniture from blocking registers. It stretches the time between professional cleanings and keeps your system healthier.
Also: be wary of “whole house specials” advertised at $99. That’s not a duct cleaning. That’s a sales call in disguise. We get called out to San Antonio homes all the time after one of these deals, and the homeowner is left with half-cleaned ducts and a long invoice for “additional work.”
FAQs – Duct Cleaning Cost
How much does duct cleaning cost in San Antonio?
Expect to pay $285 to $490 for a full duct cleaning in a typical San Antonio single-family home. Two-story homes with two HVAC systems usually run $450 to $700. Call (903) 623-6784 for an exact quote for your home, free.
Is it cheaper to clean or replace ductwork?
Cleaning is far cheaper. Duct replacement in San Antonio runs $2,000 to $5,000 or more depending on home size, while cleaning is $285 to $490. Replacement only makes sense when ducts are torn, collapsed, or contaminated with mold that can’t be remediated. We’ll inspect and tell you which situation you’re in before quoting anything.
How often should I get my ducts cleaned?
Every 3 to 5 years for most San Antonio homes. If you have multiple pets, severe allergies, or you’ve just finished a remodel, every 2 to 3 years is reasonable. Homes with a single occupant and no pets can go 5 to 7 years.
Does insurance cover duct cleaning?
Usually no. Standard homeowner’s insurance doesn’t cover routine duct cleaning. It may cover it if the contamination resulted from a covered event, like smoke damage from a fire or water damage from a burst pipe. Most San Antonio homeowners pay out of pocket, and our free estimates help you budget before booking.
Can duct cleaning help with allergies?
Yes, in many cases. San Antonio’s cedar and oak pollen seasons are rough, and your ducts can hold onto those allergens. A thorough cleaning removes pollen, dust, pet dander, and debris from your ductwork, which can reduce airborne triggers in your home. Pair it with regular filter changes for the best result.
Book Your Duct Cleaning With Halden Heating and Air
Here’s how it works with us: you call (903) 623-6784, a live person answers, and you get a free estimate on duct cleaning in San Antonio. We set a time that fits your schedule, not a four-hour window. You get a live arrival time and can track your technician to your door. The written price is locked before the work starts, and every job comes with the 365-Day Done Right Promise in writing. If it’s not done right, we make it right.
Halden Heating and Air San Antonio is part of the Relay Home Co. network, and we hold ourselves to The Relay Visibility Guarantee on every job. That means before-and-after photos, transparent pricing, and no games. Founded in 2004, we’ve been serving San Antonio homeowners for over two decades, and we run every call the same way: upfront, honest, and documented.
If your ducts haven’t been cleaned in years, or you’ve never had them cleaned since you bought the home, it’s worth a look. Call (903) 623-6784 or visit our home page to schedule online. We’ll tell you what’s in your ducts, what it costs to clean them, and whether it’s worth doing right now. No pressure, just a straight answer.
Pricing reflects the San Antonio market as of 2026. Halden Heating and Air San Antonio offers free estimates – call (903) 623-6784.
Written by Andre Fuller, Owner at Halden Heating and Air San Antonio, serving San Antonio since 2004.
What Our Customers Say
"Good work. Arrival was later than the first estimate, but the tracker updated live."
- Brad H."AC died and I booked the same day. Tech texted a photo and name. Replaced a capacitor and the house cooled fast."
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