Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
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.
Trane Air Duct Cleaning in San Antonio, TX | Mortons Air Duct San Antonio
We provide Air Duct Cleaning - San Antonio for Trane systems, and the work here is different from anywhere else. Cedar pollen, Bexar County caliche dust, and near year-round AC use combine to coat Trane ducts in a stubborn, sticky layer that generic cleaning equipment won’t fully remove. Mortons Air Duct San Antonio is an independent Trane service provider, not a dealer, so we recommend only what your ductwork actually needs. Call (903) 354-8393 for a written estimate before any work begins.
Why San Antonio Residents Choose Us for Trane Service
Paul Adeyemi and our crew have worked on Trane systems in hundreds of San Antonio homes, from older 1970s ranches to the two-story builds out in Stone Oak. We know how Trane’s specific duct designs, coil configurations, and blower characteristics respond to this city’s dust and pollen load. Before a single tool comes off the truck, Paul walks every vent location with the homeowner, so the plan is clear and the price is fixed in writing. That habit came from years of watching families get surprised by crews who found “extra problems” once the work started. We don’t operate that way.
Because we’re independent, our recommendations don’t bend toward protecting a manufacturer relationship. If a Trane OEM part is the only safe choice, we’ll say so. If a certified aftermarket equivalent does the same job for less, we’ll tell you that instead. Every visit includes shoe covers, drop cloths, and a photo of the clean-up before we leave.
Styles & brands we work with




Common Trane Air Duct Cleaning Problems We Solve in San Antonio
- Cedar pollen coating inside supply ducts. San Antonio’s mountain cedar season peaks from late December into February, and Trane’s variable-speed blowers keep recirculating air even when the compressor cycles off. That traps fine yellow-green pollen in the supply side, where it bonds to limestone dust and lingers for months. Standard vacuuming alone won’t break that bond.
- Caliche dust pitting aluminum evaporator coils. Trane’s aluminum evaporator coils sit right in the path of Bexar County’s alkaline caliche dust. When that dust settles on coil fins and humidity rises, it accelerates corrosion and can eventually cause pinhole leaks. A pinhole leak forces your AC to run longer, which pulls even more debris into the ducts.
- Flex duct leaks at takeoff collars. In Stone Oak and Alamo Ranch homes built in the 1990s and 2000s, flex ducts commonly pull loose at the takeoff collars. Once that happens, attic insulation and cedar pollen enter the supply side and coat the entire duct interior. Cleaning without sealing those collars just invites the problem back within months.
- Drain pan and condensation line clogs near waterways. Homes along the Medina River or Salado Creek carry more moisture and microbial load into return ducts. That organic material clogs Trane drain pans and condensate lines faster than in drier parts of the city, and it sometimes requires antimicrobial treatment, not just a standard clean.
- Crushed returns pulling attic insulation. We regularly find crushed return ducts in furnace closets near attic accesses, especially in older San Antonio homes where storage has squeezed the flex runs. A crushed return draws insulation and dust directly into the system, coating the blower and recirculating through every vent.
Trane Service in San Antonio: What Local Conditions Mean for Your Equipment
Here’s something we see in San Antonio that a tech in Dallas or Houston wouldn’t encounter the same way. Bexar County sits on caliche, a limestone-rich soil that crumbles into an alkaline, ultra-fine dust. During dry stretches, that dust hangs in the air and settles inside Trane systems. Then mountain cedar season arrives between late December and February, and the pollen doesn’t just blow through, it sticks to that limestone dust and forms a paste-like layer inside supply ducts. Our techs have pulled open Trane supply plenums in Stone Oak and found a yellow-green coating that resists standard brushing. It takes agitation, not just suction, to break it loose. Add San Antonio’s long cooling season, where AC runs ten or eleven months a year, and that debris gets baked into place by repeated warm, humid cycles. Trane owners here need cleaning methods calibrated to this specific combination, and that’s exactly what we bring.
Trane Models & Products We Service in San Antonio
We work on Trane RunTru systems, the XR series including the XR14 and XR16, the XL series, and Trane Hyperion air handlers. When a part needs replacing, we use genuine Trane OEM components or certified aftermarket equivalents that meet the same specifications. For Trane-specific motor control boards and certain sensor assemblies, we’ll insist on OEM because aftermarket boards rarely hold calibration the same way. That matters in San Antonio, where your system runs nearly year-round. Most common Trane parts are stocked locally or available same-week, so you’re not waiting on a Bexar County job for a part shipped from Tennessee.
See the difference
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AfterTrane Service Pricing in San Antonio
Air duct cleaning for a typical San Antonio single-family home runs between $450 and $850, depending on home size, number of returns, and how badly the ducts are coated with cedar pollen and caliche dust. If we’re also sealing flex duct takeoffs, cleaning an evaporator coil, or applying antimicrobial treatment near a creek-area home, those items are quoted separately and in writing before any work starts. Our free estimate includes walking the vent layout with you, inspecting what’s inside the ducts, and handing you a fixed price. No per-vent upselling, no surprise line items. Call (903) 354-8393 and we’ll schedule a time that works around your family’s schedule.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Trane Air Duct Cleaning in San Antonio
Cedar fever season, from late December through February, deposits a sticky yellow-green pollen inside Trane ducts that bonds with the fine alkaline dust from Bexar County caliche. That combination requires mechanical agitation and specialized brushes during cleaning, because vacuum suction alone won’t remove the bonded layer. If your family’s allergies flare every January, ask us to inspect the supply ducts during your estimate. Call (903) 354-8393 and we’ll take a look.
Yes. Caliche dust is alkaline and ultra-fine, and when it settles on a Trane aluminum evaporator coil under humid conditions, it accelerates corrosion and can lead to pinhole leaks. Cleaning the coil and treating the surface before damage deepens is far cheaper than replacing a leaking coil. We inspect coil condition during every duct cleaning visit.
Usually not. Flex ducts in 1990s Stone Oak and Alamo Ranch homes often leak at the takeoff collars where they connect to the supply plenum. Sealing those collars with mastic and repairing crushed sections restores airflow and stops attic insulation from entering the ducts. We recommend replacement only when the flex liner has physically torn or collapsed.
San Antonio’s long, hot summers and mild winters keep Trane systems cycling constantly. Trane’s variable-speed blowers continue moving air even when the compressor is off, which recirculates whatever dust and pollen are already inside the ducts. That’s why a proper cleaning, not just filter changes, makes the biggest difference for indoor air quality here, and why many homeowners also schedule our Dryer Vent Cleaning in San Antonio at the same time. Call (903) 354-8393 for an exact quote.
Often yes. Homes near Salado Creek or the Medina River carry higher moisture and organic debris into the return ducts, which encourages microbial growth on Trane coils and inside the duct liner. Standard cleaning won’t address it. We inspect for moisture damage and recommend antimicrobial treatment only when we see evidence it’s needed.
Service Areas Near San Antonio
We serve San Antonio and the surrounding communities, including Trane service in Schertz, Trane service in Boerne, Helotes, Live Oak, and Bulverde. If you’re a Trane owner within an hour of the city, chances are we already work in your neighborhood. For more on our coverage, see our San Antonio service area page, and for broader Trane expertise, visit our Trane sales & service page.
Book Your Trane Service in San Antonio Today
We tell you exactly what we’re doing, and exactly what it costs, before we start. Every Trane duct cleaning in San Antonio comes with our 365-Day Done Right Promise and a written price upfront. Call (903) 354-8393 today to schedule your free estimate.
Written by Paul Adeyemi, Owner at Mortons Air Duct San Antonio, serving San Antonio since 2005.