Whole-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, CA | Linden Air Duct Cleaning
We provide independent Carrier Air Duct Cleaning in San Antonio, and the one thing that separates our Carrier work here from anywhere else is simple: mountain cedar. Every December through February, Ashe juniper pollen saturates this city’s air at levels that chart as “extreme,” and that ultra-fine pollen ends up packed inside Carrier ductwork by March. If you own a Carrier system in San Antonio, you’re dealing with a particulate load most HVAC companies in other Texas cities never see. Call (980) 447-2498 for a free estimate, and we’ll tell you exactly what’s in your ducts before we clean them.
Why San Antonio Residents Choose Us for Carrier Service
We’ve serviced Carrier systems in San Antonio since the days of the original round-top condensers. That’s not a marketing line. Marcus Veale, our owner, came up through the HVAC program at Los Angeles Trade-Technical College and has spent more than a decade working on the homes and apartment buildings that make up the backbone of this city’s housing stock. He knows what a Carrier cased coil looks like after one cedar season in Alamo Ranch versus what the same coil looks like after five years in a milder climate. Our technicians are background-checked, identity-verified, and their name and photo arrive before the visit. Every job gets a written price before any work begins. We operate independently of Carrier; we’re not factory-authorized, and we don’t pretend to be. What we are is familiar with Carrier sales & service work the way a good mechanic knows a specific engine family: from the inside, through repetition, in this specific place.
Common Carrier Air Duct Cleaning Problems We Solve in San Antonio
- Cedar pollen and biofilm on Carrier cased coils. San Antonio’s mountain cedar season pushes pollen through return air intakes and onto the fin faces of attic-mounted Carrier cased coils. The pollen sticks, moisture from the cooling cycle feeds it, and biofilm forms. That restricts airflow and forces the compressor to run hot on 105°F afternoons. We clean the coil as part of a full system cleaning, not as an add-on.
- Separated flex duct at boot collars. Older Carrier flex-duct branch runs in 1980s builder-grade systems separate at the boot collars, especially in northeast-side neighborhoods like Universal City and Converse. The separated joint becomes a debris trap. Carrier’s high-static blowers then pull attic dust, insulation, and cedar pollen through the gap and spread it across the supply side.
- Variable-speed blower motor faults. Carrier Infinity air handlers with variable-speed blower motors can pull attic dust through unsealed return chases, coating the motor module. The result is intermittent speed faults that mimic board failures. A standard brush cleaning misses this. We include video inspection and motor module cleaning when a Carrier Infinity system shows these symptoms.
- Condensate pan overflow and rusted cabinet bases. On Carrier horizontal attic units, condensate pans and drain lines clog with caliche dust and insulation fibers during San Antonio’s eight-month cooling season. Water backs up, overflows, and rusts the cabinet base. Duct cleaning addresses the particulate source; we also clear the drain line and check the pan while we’re in the attic.
- Post-construction dust in new Carrier installs. The master-planned communities along the US-281 corridor and the far northwest side near Helotes add tens of thousands of new-construction homes each decade. Builders routinely leave drywall dust inside supply runs. A Carrier system in a house built three years ago in Alamo Ranch can have ducts dirtier than a 1990s home that was never cleaned once.
Carrier Service in San Antonio: What Local Conditions Mean for Your Equipment
The northeast-side residential belt around Randolph AFB is packed with early-1980s builder-grade Carrier duct systems, and they fail in a way you don’t see at the same rate anywhere else in San Antonio. The homes in Universal City, Converse, and Schertz were largely built with corroded sheet-metal trunks and flex-duct branch connections that have partially separated at the boot collars. Standard brush equipment goes in, cleans the trunk, and pulls out. What it misses is the gap where the flex branch meets the metal boot – the joint has opened, and every cubic foot of conditioned air the Carrier blower pushes through that gap drags attic crud with it. We reseal each joint first, then clean. It’s the difference between a duct cleaning that lasts a season and one that lasts five years. Marcus puts it plainly: “Clean ducts don’t fix everything, but dirty ones can quietly make a lot of things worse.” A separated boot collar is the quiet part.
Carrier Models & Products We Service in San Antonio
We work on the Carrier equipment most common in San Antonio homes: the Carrier Comfort 80 and Infinity 80 gas furnaces, Performance and Infinity series air handlers, 24ACC6 and 24ACB7 air conditioners, and Comfort 13 and Infinity heat pumps. When a job calls for OEM-spec parts, we stock Carrier door gaskets, coil clips, and blower motor modules. When aftermarket is the better call – and with flex duct, mastic, and boot collars it often is – we use premium aftermarket materials that outlast the original builder-grade parts. We’ll also tell you when a 12-year-old Carrier system only needs sealing and coil cleaning versus when a failing heat exchanger or compressor means replacement is the smarter money. Our service area covers the full San Antonio service area, from the older slabs on the south side to the new construction pushing west past Alamo Ranch.
Carrier Service Pricing in San Antonio
Whole-system air duct cleaning in San Antonio typically runs $450 to $800 for a standard single-family home, depending on the number of returns, the accessibility of the attic, and whether flex runs need resealing at the boot collars. Homes in the Randolph AFB corridor with separated joints often land at the higher end because the resealing work adds real time. A free estimate includes a written price before any work begins – not a range, not a “subject to change,” a number. We don’t do per-vent pricing, and we never hit you with a surprise invoice on the driveway. Call (980) 447-2498 and we’ll walk through what your specific Carrier system needs and what it costs.
Serving San Antonio, FL - Our Local Coverage Area
We’re based in our San Antonio service 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
Yes. San Antonio’s December through February mountain cedar season pushes ultra-fine Ashe juniper pollen into residential ductwork at volumes that don’t occur in Houston, Dallas, or any other major Texas market. By late February, Carrier systems in San Antonio routinely carry a pollen load that would take a northern-climate system years to accumulate. That means more frequent coil cleaning, more biofilm on cased coils, and a predictable post-January surge in demand that reflects the city’s unique allergen cycle. Call (980) 447-2498 for an estimate in the spring window when cedar-season buildup is at its worst.
Yes, and this is one of the most common mistakes we see from general duct cleaners offering San Antonio Dryer Vent Cleaning and other services. The Infinity air handler’s variable-speed blower module sits directly in the airstream, and a careless cleaning can drive debris into the module and trigger speed faults. We remove the module or protect it during cleaning, inspect it with a video camera, and clean it separately. If the module already shows coating from attic dust pulled through an unsealed return chase, we address that and reseal the chase while we’re in the attic.
The short answer is heat and time. San Antonio attics regularly exceed 140°F in summer, and over four decades, that heat bakes the adhesive and mechanical connection between flex duct and boot collars until they separate. The early-1980s builder-grade installations around Randolph AFB used less mastic and fewer mechanical fasteners than code requires today, and the sheet-metal trunks in those systems have also corroded from years of condensation. The combination is specific to that era, that builder, and that equipment. Standard brush cleaning misses the separated joint; we reseal it before we clean.
Partially. The rust is caused by water backup, and the backup is usually caused by a clogged drain line packed with caliche dust, insulation fibers, and organic debris that comes from the same particulate load that fills your ducts. During San Antonio’s eight-month cooling season, this accumulation happens faster than it would in a shorter cooling climate. We clear the drain line and inspect the pan as part of our system review. If the cabinet base is already rusted through, we’ll tell you before you spend money on cleaning – there’s no point cleaning ducts attached to a failing unit.
We use both. For Carrier door gaskets, coil clips, and blower motor modules, OEM-spec parts are the right call and we stock them. For flex duct, mastic, and boot collars, premium aftermarket parts consistently outperform the original builder-grade materials installed in 1980s San Antonio homes. We’ll explain which we’re using and why, and we’ll never sell you an OEM logo on a part where aftermarket does the job better. Call (980) 447-2498 for a straight answer about what your system actually needs.
Service Areas Near San Antonio
Beyond San Antonio proper, we reach the surrounding communities where Carrier systems face the same cedar and caliche conditions. That includes Universal City, Converse, Schertz, Helotes, and Alamo Ranch. We also serve homeowners in Carrier service in Arlington and Carrier service in Los Angeles, where our team brings the same verification standards and written pricing.
Book Your Carrier Service in San Antonio Today
If your Carrier system hasn’t been cleaned since last cedar season, or if you’ve never looked inside your ducts at all, call (980) 447-2498. We’ll schedule a free estimate, send the technician’s name and photo before the visit, and put a written price in your hands before any work starts.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving San Antonio since 2004.




Before
After
Before
After
Before
After