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.
Carrier Air Duct Cleaning in San Antonio, TX | Cardinal Air Duct San Antonio
We provide independent Carrier Air Duct Cleaning - San Antonio, and the quick answer is this: most standard whole-system cleanings run $450 – $850 depending on ductwork length and coil condition. What makes our Carrier work different here isn’t the equipment – it’s knowing that San Antonio caliche dust bonds to Infinity coil fins in a way crushed limestone from Boerne simply doesn’t. Omar Haddad and our crew have spent years pulling that crust out of Carrier systems from Alamo Heights to Alamo Ranch. Call (254) 347-3897 for a written estimate before any work begins.
Why San Antonio Residents Choose Us for Carrier Service
We’re not a Carrier dealer, and we don’t pretend to be. We’re the independent shop that’s opened up enough Carrier air handlers in San Antonio to know exactly where they fail here. Omar cut his teeth at Los Angeles Trade-Technical College and has spent the better part of two decades dismantling contaminated duct systems. In San Antonio, that means recognizing the chalky white film that coats a Carrier blower cage after a few years of west-side construction dust, and knowing which cleaning method actually removes it instead of just stirring it around. We run Rotobrush rotary brush systems, Nikro HEPA vacuums, and Abatement Technologies containment units on every job. If you need Carrier sales & service, we’ll tell you honestly when a repair beats replacement – but our lane is cleaning and duct repair, and we stay in it.
Every booking comes with The Relay Standard: a live trackable arrival window, before-and-after photo proof sent to your phone, and a written price handed to you before a single register is touched. Our techs are background-checked and uniformed. You’ll know the name of the person walking through your door. That’s the baseline, not the upgrade.
Styles & brands we work with
Common Carrier Air Duct Cleaning Problems We Solve in San Antonio
- Caliche-crusted Infinity evaporator coils. San Antonio’s road base is caliche, not the crushed limestone you’ll find in Hill Country towns. Caliche dust is finer and more alkaline, so it adheres to Carrier Infinity coil fins even when homeowners change filters monthly. The crust has to be broken down with an alkaline-safe foaming agent before vacuuming – dry brushing just packs it deeper into the fin gaps.
- Collapsed flex duct under pier-and-beam homes. In older neighborhoods like Beacon Hill and Jefferson, original 1980s flex duct sags, separates, and gets chewed through by rats and squirrels that live under the floor. We’ve pulled collapsed return flex out of Carrier Comfort Series systems and found the blower cage packed with shredded insulation and dried droppings.
- Static pressure spikes from blower wheel loading. Comfort Series air handlers in pier-and-beam houses pull cellulose fibers and animal dander through floor-return cavities. The blower wheel loads up, static pressure climbs, and the system gets loud and inefficient. A proper cleaning brings it back down.
- Sticking Infinity zoning dampers. West-side subdivisions like Alamo Ranch deal with constant construction traffic and caliche driveways. Multi-year dust loading makes Infinity zoning dampers hunt or stick, which throws off room-by-room temperature control. We clean them carefully, because a broken damper motor is an expensive and avoidable repair.
- Gritty fan blades in tight new construction. Newer Carrier air handlers in far west and north San Antonio often ship with poorly sealed factory duct connections at the plenum. Fine Saharan dust and cedar pollen get pulled in, coat the fan blades, and cause vibration and bearing wear that sounds like a failing motor long before it actually is one.
Carrier Service in San Antonio: What Local Conditions Mean for Your Equipment
The thing about San Antonio caliche dust is that it’s alkaline and almost impossibly fine. It doesn’t just sit on surfaces – it chemically bonds to aluminum coil fins, especially on Carrier Infinity evaporator coils that run cold and wet through our brutal summer cycles. We see this in neighborhoods along Callaghan Road and across the west side, where the road base and construction traffic keep a constant cloud of fine particulate in the air. A monthly filter change doesn’t stop it. The dust is small enough to pass through standard MERV 8 media and land directly on the coil. Once it’s there, the alternating wet-dry cycle of a San Antonio AC in August bakes it into a crust that dry brushing cannot remove. You need a chemical breakdown step first. If you just vacuum it, you leave half the material embedded in the fins, and the efficiency loss comes right back within a season. This is the single biggest reason Carrier owners in San Antonio need duct and coil cleaning more often than the textbook says – and it’s a problem that neighboring Hill Country towns like Boerne simply don’t face at the same rate because their road base is crushed limestone, which is heavier, less alkaline, and doesn’t cling the same way. Our San Antonio service area covers every zip code where this plays out.
Carrier Models & Products We Service in San Antonio
We work on the full residential Carrier lineup. The Infinity Series – air handlers, evaporator coils, and zoning controls – shows up most often in higher-end San Antonio homes and is the line where coil crusting hits hardest. The Comfort Series is the single-stage workhorse we see in 1970s – 1990s tract homes, usually paired with flex duct that’s past its prime. The Performance Series sits in the middle, commonly as heat pumps. We also service the Ductless Mini-Split 38M series, which covers older additions and garage apartments around town. When a system is under 10 years old, we install OEM Carrier replacement dampers, coil cabinets, and blower housings for factory fit. For out-of-production Infinity or Comfort Series duct doors, flex connections, and drain pans, we use heavy-gauge aftermarket parts from a local sheet-metal shop to avoid six-week lead times – and we’ll tell you straight when replacement is the smarter call. We also handle video inspection, evaporator coil cleaning, and flex duct repair as standalone jobs.
See the difference
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Before
AfterCarrier Service Pricing in San Antonio
Here’s the honest range: most standard Carrier duct cleanings in San Antonio run $450 – $850 for a typical single-system home. What moves the number is ductwork length, how many stories, whether the evaporator coil needs chemical breakdown, and whether we’re repairing collapsed flex while we’re in there. A full system with coil cleaning and zoning damper service on a two-story Alamo Ranch home will land at the upper end. A single-story tract house with accessible duct runs will sit near the lower end. Every job includes a written price before work starts, a written guarantee on any repair, and our 365-Day Done Right Promise – if the work isn’t right within 365 days, we return and correct it at no charge. Call (254) 347-3897 for an exact quote. Estimates are free, and the number you’re quoted is the number you pay.
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 – Carrier Air Duct Cleaning in San Antonio
San Antonio’s road base is caliche, a fine alkaline dust that bonds to coil fins and passes through standard filters, while Dallas sits on heavier clays that settle out before reaching the coil. Add cedar pollen from the Hill Country and Saharan dust events, and your Infinity system is pulling in a constant abrasive load that a Dallas system never sees. Call (254) 347-3897 and we’ll scope your ducts with a video inspection before quoting anything.
Yes, and we measure it in static pressure. A dirty blower wheel and crusted coil force the blower to work harder for the same airflow. After cleaning a Comfort Series air handler in a Beacon Hill bungalow, we watched static pressure drop from 0.9″ to 0.45″ w.c. – the blower was using less electricity to move more air. That’s real money on a CPS Energy bill from June through September.
It’s common enough that we don’t blink when we find it. Older neighborhoods like Jefferson and Beacon Hill have pier-and-beam foundations with return cavities that rats and squirrels treat as highways. They chew flex duct, nest in insulation, and leave droppings that get pulled into the blower cage. We patch with metal splices where possible and clean what’s left – and we’ll show you video before and after.
Clean after, always. New construction leaves drywall dust, sawdust, and caliche in the duct runs no matter how carefully the builder worked. If you clean before the new air handler goes in, you’re just sending construction debris through a brand-new blower. We recommend a full duct cleaning and coil service in the first week after installation. Call (254) 347-3897 to schedule it around your HVAC contractor’s timeline.
We don’t force them. Infinity zoning dampers have plastic gears and actuators that crack when a tech tries to muscle a stiff damper open. We soften the built-up dust with compressed air and a mild cleaner first, then work the damper through its full range slowly while the system is powered down. The goal is to remove the grit binding the mechanism, not to win a fight with it. If a damper is already stripped, we’ll tell you before we touch it and quote a replacement.
Service Areas Near San Antonio
We service homes across San Antonio and the surrounding communities, including Carrier service in New Braunfels, Carrier service in Cibolo, plus Converse, Terrell Hills, and Timberwood Park. Each one has its own dust profile and housing stock, but the caliche problem follows you anywhere the road base runs fine and white.
Book Your Carrier Service in San Antonio Today
Clean ducts, straight answers, real price – that’s the whole pitch. Call (254) 347-3897 and a live person answers. We’ll schedule your Carrier duct cleaning or our Dryer Vent Cleaning in San Antonio, send you a trackable arrival window, and hand you a written price before any work starts.
Written by Omar Haddad, Owner at Cardinal Air Duct San Antonio, serving San Antonio since 2005.