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.
Why San Antonio Homeowners Choose Carrier Air Duct Cleaning
We provide independent Carrier in San Antonio air duct cleaning service, working on Infinity, Performance, and Comfort series systems throughout Bexar County. Carrier equipment runs differently than other brands here because San Antonio’s caliche dust, cedar pollen, and hard water scale interact with Carrier’s variable-speed ECM blowers and high-efficiency coils in specific, predictable ways. Our team has documented those patterns across hundreds of local Carrier installations, which means we know exactly what to pull, clean, and reseal before we ever ring your doorbell. Mortons Air Duct San Antonio is an independent service provider, not a Carrier-authorized dealer, and we tell you exactly what we’re doing, and exactly what it costs – before we start. Call (903) 354-8393 for a written estimate.
Why Trust Mortons Air Duct San Antonio for Your Carrier Air Duct Cleaning?
Carrier air duct cleaning in San Antonio isn’t a one-size-fits-all job. The Infinity 59MN7 furnace, for example, uses a variable-speed ECM blower that pulls air differently than the single-speed blower in an older Comfort series unit. That ECM wheel has curved blades that fine caliche dust clings to in a way it doesn’t on flat-bladed aftermarket wheels. We keep genuine OEM Carrier blower wheels and filters on the truck for Infinity and Performance systems because aftermarket ECM wheels often arrive slightly out of balance, and that imbalance shortens motor life.
Paul Adeyemi, who owns Mortons Air Duct San Antonio, learned mechanical systems at Los Angeles Trade-Technical College before bringing that training to Texas. He’s the one who walks every vent location with homeowners before a single tool comes off the truck. In Carrier in Schertz and Stone Oak, where newer two-story homes trap dust across zoned duct runs, Paul and the crew have pulled blower assemblies from Carrier Infinity furnaces packed with a fine white powder that throws the motor out of balance. That’s the kind of brand-specific experience you won’t get from a general cleaning crew.
Every Carrier job includes the Cedarwell Care Promise: shoe covers and drop cloths before we enter, a written price before work starts, and a photo of the finished clean before we leave. The 365-Day Done Right Promise backs the work itself. If it’s not done right, we make it right. That’s the whole promise, not a slogan on a flyer.
Styles & brands we work with




Common Carrier Air Duct Cleaning Problems We Fix in San Antonio
- Dust-caked ECM blower wheels on Infinity furnaces (59MN7, 25VNA0 heat pumps). Variable-speed blowers run constantly at low speed in San Antonio’s nearly year-round cooling season. Caliche dust settles on the curved blades, throws the wheel out of balance, and triggers vibration you can feel through the return grille. We pull the wheel, wash it with coil cleaner and hot water, and reseat it. Static pressure drops, noise disappears, and the motor stops fighting itself.
- Evaporator coil fouling on Performance and Comfort units. Hard water mineral scale combines with pet dander and cedar pollen to coat coil fins, especially on horizontal attic installations where return-side leaks pull in loose insulation. We see this constantly in 1970s-era Comfort series systems around Alamo Ranch. Cleaning the coil properly requires removing the access panel, not just spraying from the outside.
- Clogged condensate drain lines on high-efficiency Carrier furnaces. The Infinity 59MN7 and Performance 59TP6 produce more condensation than older 80% units. San Antonio’s alkaline water leaves scale in the drain line quickly, and once the float switch trips, the system shuts down. We clear the line, flush it, and treat it to slow re-scaling. It’s a fifteen-minute fix that saves a service call later.
- Plugged secondary heat exchangers on older Carrier 58 series furnaces. Years of lint and dust bypassing the filter bake onto the secondary exchanger, reducing efficiency and creating that burning smell on first startup each fall. Our blower cleaning pulls the accumulating dust before it becomes a combustion issue. If the exchanger is already compromised, we say so plainly and recommend a qualified installer.
- Flex duct compression and kinking in zoned Carrier systems. Attic temperatures above 140°F in San Antonio summers degrade flex duct liner faster than in cooler climates. Kinked or collapsed runs starve certain zones, leaving one bedroom hot while the living room freezes. We identify the restriction, straighten or replace the run, and reseal connections with mastic. Airflow balance returns.
Carrier Parts & Our Repair-vs-Replace Approach
Genuine OEM Carrier parts matter most where the blower is concerned. An aftermarket ECM wheel for an Infinity 59MN7 often arrives slightly out of true, and that imbalance shortens the motor’s life. We stock OEM Carrier filters and blower wheels for Infinity and Performance systems on the truck, so most jobs are done in a single visit without ordering parts. For Comfort series units with worn blower motors or failing contactors, we give you an honest comparison. If the repair bill would exceed about 40% of a new air handler’s cost, we recommend replacement and can refer a trusted independent Carrier installer. We don’t profit from that referral. The point is telling you what’s actually worth fixing.
One recent Boerne Carrier service call and a Stone Oak job drove the lesson home. Paul’s tech pulled the blower assembly from a Carrier Infinity 59MN7 and found the variable-speed ECM wheel coated in fine white dust. That dust was throwing the motor out of balance and tripping the high-limit switch. We pulled the wheel, washed it with coil cleaner and hot water, cleaned the heat exchanger fins, then sealed the return plenum with mastic where the previous company’s flex duct had fallen off. Static pressure dropped from 0.9 inches to 0.5 inches. The system ran quiet again. That’s the difference between brand-specific work and a generic clean.
If you’re deciding between repair and replacement on your Carrier system, call (903) 354-8393. We’ll tell you what we’d do if it were our house.
Our Carrier Service Process – Step by Step
- 1
Walkthrough and written quote. We walk every vent, return, and the air handler with you before any work starts. You get a written price for the whole system. That price doesn’t change mid-job.
- 2
Diagnosis and photo documentation. We open the blower cabinet and coil access panel, inspect the evaporator coil, heat exchanger (on furnaces), drain pan, and condensate line. We photograph what we find so you can see the condition for yourself.
- 3
Cleaning and sealing. We pull the blower wheel, clean it with coil cleaner and hot water, clean the evaporator coil, clear the condensate drain, and seal return leaks with mastic. All duct cleaning uses Rotobrush or Nikro equipment, never entry-level rental gear.
- 4
Testing and verification. We reassemble, run the system, and check static pressure and airflow at multiple registers. On variable-speed Carrier systems, we confirm the blower ramps smoothly through speeds without vibration.
- 5
Clean-up and visual proof. We leave shoe cover and drop cloth protection in place until the last tool is out the door, and we photograph the finished clean before we leave. That photo is yours.
See the difference
Before
After
Before
After
Before
AfterCarrier Products We Service & Install in San Antonio
Our San Antonio crew works on the full Carrier residential line: Infinity Series variable-speed heat pumps and air conditioners (24VNA0, 25VNA0), Performance Series two-stage and single-stage units (24ACC6, 25HCC6), Comfort Series entry-level systems (24SCA5, 25SCA5), and Carrier gas furnaces including the Infinity 59MN7 and Performance 59TP6 with ECM blowers. We service the ductwork, blower assemblies, evaporator coils, and condensate drain systems across all of these models. We also stock OEM Carrier filters for Infinity and Performance systems so same-visit replacement is possible instead of a second appointment.
Beyond Carrier, we service Lennox and Trane systems with the same attention to brand-specific details. Each manufacturer has its own quirks, and we’d rather know them than wing it.
We Also Service These Brands
Lennox and Trane systems cross our schedule every week in San Antonio. The underlying skills transfer: coil access, blower pull and clean, drain line clearing, and duct sealing. But each brand has different panel layouts, blower housing designs, and fault code logic. We know the differences. Your Carrier system gets Carrier-specific care, and your neighbor’s Lennox gets the same standard from a crew that wasn’t trained on just one brand.
FAQs – Carrier Air Duct Cleaning Service in San Antonio
No. We’re an independent Carrier air duct cleaning and service provider in San Antonio, not a Carrier-authorized dealer or factory representative. That independence means we recommend what’s best for your system and budget, not what a manufacturer script tells us to push. It also means we’re free to be honest when a repair isn’t worth the money.
Often, yes. The Infinity series variable-speed ECM blower runs constantly at low speed, and in San Antonio’s caliche-laden air, those curved blades load up with fine dust until the motor draws excess current and throws a fault. Cleaning the blower wheel and resealing return leaks usually resolves the code. If the motor itself is damaged, we’ll tell you that too. Call (903) 354-8393 and describe the code; we can usually tell you over the phone whether it’s a cleaning issue or something deeper.
Frozen evaporator coils on Performance series units in San Antonio usually mean one of two things: the coil is so fouled with hard water scale, pet dander, and cedar pollen that airflow can’t pass, or the return side is pulling in attic air through unsealed connections. We fix both: remove and clean the coil, then seal the return plenum with mastic. If the coil is scaled beyond cleaning, we’ll show you the photo and discuss replacement options before any decision is made.
Usually it’s a damp evaporator coil harboring microbial growth, not the ducts themselves. In San Antonio’s long cooling season, the coil stays wet, and dust, pet dander, and pollen stick to it. When the system switches to heating, that damp organic layer warms up and releases the smell. Cleaning the coil with an antimicrobial treatment, plus clearing the condensate drain, handles it. If the ducts themselves are contaminated, which is common near the Medina River and Salado Creek after flood moisture events, we’ll show you that on video inspection before recommending Air Duct Cleaning services.
The burning dust smell on first startup in the fall is normal and usually clears after a day or two. The rumbling is more concerning: on older Carrier 58 series furnaces, it can mean a plugged secondary heat exchanger from years of lint and dust bypassing the filter. Cleaning the blower and inspecting the heat exchanger will tell us which it is. We don’t replace heat exchangers, but we’ll document what we find, show you the photos, and give you an honest recommendation. If it’s just dust, cleaning fixes it and the rumbling stops.
Carrier air duct cleaning in San Antonio typically runs $350 to $650 for a whole-home system, depending on square footage, number of vents, and how much caliche dust and cedar pollen has accumulated. Duct sealing and coil cleaning are separate line items we quote upfront in writing before any work begins. We never charge per vent. You get one flat price for the whole system, agreed before we start. Call (903) 354-8393 for a free estimate based on your home’s specific setup.
Book Your Carrier Service in San Antonio, TX
Carrier air duct cleaning in San Antonio works best when it’s done by someone who knows this city’s dust, this city’s water, and this city’s Carrier systems. Call (903) 354-8393 and we’ll schedule a walkthrough. Written price first, clean work second, photo proof before we leave. That’s how we do it on every job, every time.
Written by Paul Adeyemi, Owner at Mortons Air Duct San Antonio, serving San Antonio since 2005.