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 | Cardinal Air Duct San Antonio
We provide independent Trane Air Duct Cleaning - San Antonio for furnaces, heat pumps, and full HVAC systems. The work we do here is shaped by one thing most generic guides miss: San Antonio’s air carries a uniquely fine, abrasive caliche dust that settles inside Trane ductwork faster than almost any other part of Texas. If you own a Trane system in San Antonio and haven’t had the ducts inspected in years, call (254) 347-3897, and we’ll tell you exactly what we find before quoting a single dollar.
Why San Antonio Residents Choose Us for Trane Service
We work on Trane equipment in San Antonio every week, and that repetition means we know the quirks of each model line before we even open the access panel. Omar Haddad, who runs Cardinal Air Duct San Antonio, built his trade foundations at Los Angeles Trade-Technical College and has spent two decades pulling apart contaminated duct systems and rebuilding them properly. He trains his crews to treat a Trane system the way an owner would: diagnose the actual problem, fix it with the right part, and leave the ductwork cleaner than it started. We also offer our Dryer Vent Cleaning in San Antonio for complete home ventilation care. We also carry a practical stance on parts. When a Trane blower motor or control board fails, we use OEM Trane components because they’re engineered to match the system’s airflow and electrical specs. For duct sealing and insulation, we select aftermarket materials rated for San Antonio’s humidity and the persistent pest pressure we see in older neighborhoods. Every visit includes a written price before we touch anything, a live arrival window you can track, and before-and-after photos so you’re not taking our word for what happened inside your ducts.
Styles & brands we work with




Common Trane Air Duct Cleaning Problems We Solve in San Antonio
- XR80 blower wheels caked with caliche dust. The fine limestone powder that blows through San Antonio construction zones and older pier-and-beam crawlspaces sticks to Trane blower cages like cement. Once the wheel is out of balance, you’ll hear a rumble or hum through the vents and feel weaker airflow. We pull the blower, clean each blade, and check the motor bearings before reinstalling.
- XV18 electrostatic filters clogging during cedar fever season. From December through February, mountain cedar pollen spikes in San Antonio. Trane’s variable-speed XV18 air handlers pull harder for longer runtimes, which means the electrostatic filter loads up faster than most owners expect. When the filter goes too long, the system compensates by running hotter and longer. We show you the filter condition during cleaning and recommend a realistic replacement interval for your specific neighborhood.
- Flex duct sagging off Trane plenums in hot attics. San Antonio attics routinely hit 130°F in August. That heat softens the adhesive on older flex duct connections, and sections begin to droop between the plenum and the register. Sagging duct traps pollen and dust in the low spots and chokes airflow. We re-strap the duct, seal the connections with mastic, and clean the interior before reconnecting.
- Condenser coils packed with limestone and oak pollen at ground level. Trane’s outdoor units sit close to the ground, and San Antonio yards are dry and dusty from late spring through fall. Limestone dust and live oak pollen compress onto the coil fins, raising head pressure and shortening compressor life. We include light coil cleaning on duct service visits when the condenser sits in the same equipment zone.
- Musty smells from Trane systems in older San Antonio homes. In Jefferson and Beacon Hill, we find return ducts run through pier-and-beam crawlspaces that hold moisture and harbor rodents. Chewed flex duct pulls damp, soil-smelling air into the return, and the odor travels through every vent. We replace damaged sections with rodent-resistant duct, seal the joints, and treat the coil if biofilm has formed.
Trane Service in San Antonio: What Local Conditions Mean for Your Equipment
Here’s the detail most Trane owners in San Antonio never hear from a generic cleaning company. In neighborhoods like Jefferson and Beacon Hill, a large share of homes sit on pier-and-beam foundations, with return ductwork running through the crawlspace beneath the floor. San Antonio’s soil in those areas is rich with caliche, a naturally occurring deposit of calcium carbonate that crumbles into a fine, chalky powder. That dust doesn’t stay outside. It rises through gaps in the subfloor, gets pulled into return ducts, and settles thick enough over time to add real weight to flex duct. We’ve seen return ducts in Jefferson that sagged so heavily with accumulated caliche they collapsed at the connection collar, starving the Trane blower of return air and forcing the system to overheat. That failure pattern is rare in slab-foundation suburbs elsewhere in Texas, which is why a national brand’s boilerplate maintenance advice won’t catch it. If your San Antonio home is pier-and-beam, ask any duct contractor whether they’ve actually looked under the house. If they hesitate, they’re the wrong crew. Omar and his team have spent enough time crawling through those spaces to name the streets in Jefferson from memory.
Last spring we serviced a 1998 Trane XR80 in a Beacon Hill bungalow off Fredericksburg Road. The return flex duct under the pier-and-beam floor had been chewed through by squirrels and was sucking in fine white caliche dust, coating the blower and heat exchanger. We replaced the flex with rodent-resistant duct, sealed all joints with mastic, and cleaned the blower and coil. Static pressure dropped from 0.9 to 0.5 inches, and the homeowner said her cedar allergy flare-ups stopped within a week. That’s what a real San Antonio Trane service call should produce: a number that changed and a symptom that disappeared.
Trane Models & Products We Service in San Antonio
We clean and service the full range of Trane equipment found in San Antonio homes, including the XR Series (XR80, XR14, XR16), the XL Series (XL14i, XL16i, XL20i), the variable-speed XV Series (XV18, XV20i), and the value-focused RunTru by Trane line. Each series has its own airflow pattern, filter design, and blower housing, and we adjust our cleaning approach to match. For parts, our rule is simple: critical components like blower motors, control boards, and variable-speed controllers get OEM Trane replacements when they fail. For duct sealing, insulation, and pest-resistant flex replacement, we use aftermarket materials tested for San Antonio’s humidity range and sized to match the existing duct run. We stock common Trane filter sizes and blower motor capacitors on our trucks, which keeps most San Antonio calls to a single visit.
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AfterTrane Service Pricing in San Antonio
Air duct cleaning on a Trane system in San Antonio typically runs between $450 and $850 for a complete single-system cleaning, depending on square footage, duct length, and how heavily the system is fouled. A two-story home or a system with long, complicated duct runs in the attic can push toward the upper end. We give you a written price before any work starts, and that number does not change at the door. The free estimate includes a visual inspection of the duct interior, a filter check, and a quick airflow reading so we can tell you whether cleaning alone will fix the issue or if sealing and repair work should be added to the scope. Call (254) 347-3897 for an exact quote, and Omar will give you the real number over the phone after a few questions.
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
Every 3 to 5 years is the right interval for most San Antonio homes, but if you live near a construction zone or in a pier-and-beam house like those in Beacon Hill, every 2 to 3 years is more realistic. Cedar pollen and caliche dust load Trane filters and duct interiors faster here than in most Texas cities, and waiting longer means the blower works against a growing restriction. If you’re waking up with cedar symptoms even when the windows are closed, the ducts may be the source. Call (254) 347-3897 for a free inspection and we’ll tell you where you stand.
Yes. Caliche dust is abrasive, and once it coats a Trane blower wheel, it creates imbalance that loads the motor bearings unevenly. The motor runs hotter, the bearings wear faster, and the wheel can eventually work loose from the shaft. The fix is removing the blower assembly, cleaning it completely, and inspecting the bearings and capacitor. If you’re in a newer build on the far west side where construction dust has been blowing for months, schedule a cleaning sooner rather than later.
In older San Antonio homes with pier-and-beam foundations, the smell usually originates in the crawlspace. The return duct pulls damp, soil-laced air through gaps or pest damage, and that air passes through the coil and into your living space. The smell gets worse in humid months because the crawlspace moisture increases. We fix it by repairing or replacing the damaged duct, sealing the return path, and cleaning the blower and coil surfaces where odor-causing biofilm has settled.
We use OEM Trane parts when a critical component fails, like a blower motor, control board, or variable-speed controller. For duct sealing, insulation, and flex replacement, we choose aftermarket materials rated for San Antonio’s humidity and rodent pressure, because those materials need to perform in specific conditions rather than match a manufacturer’s part number. Either way, you’ll see exactly what we’re installing and why before we begin.
Noticeable dust accumulation on supply registers within a week or two after a Saharan dust plume moves through San Antonio is the earliest sign. The thin red-brown grit settles into the duct interior and re-enters the living space every time the system cycles. The sooner you clean it out, the less it grinds into the blower and coil surfaces. Call (254) 347-3897 and we can usually get you on the schedule the same week.
Service Areas Near San Antonio
Our Trane air duct cleaning crews cover all of San Antonio, from the older Loop 410 neighborhoods to the new builds on the far west and north sides. We also run regularly to Trane service in New Braunfels, Trane service in Cibolo, Converse, Terrell Hills, and Timberwood Park. If you’re anywhere inside Bexar County or just outside it, check our full San Antonio service area or call for a straight answer on coverage.
Book Your Trane Service in San Antonio Today
Own a Trane in San Antonio? It’s due for a real look inside the ducts, and we’re the crew that will show you what’s in there. Call (254) 347-3897 for a free estimate. Omar will put the number in writing before we touch a single register. Clean ducts, straight answers, real price – that’s the whole pitch.
For broader questions about our Trane sales & service approach, we’re glad to talk through the details.
Written by Omar Haddad, Owner at Cardinal Air Duct San Antonio, serving San Antonio and surrounding communities.