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.
Fast, Reliable Air Duct Cleaning Across Leon Valley
Air duct cleaning in Leon Valley typically costs between $350 and $650 for a full system on a standard mid-century ranch, with supply duct cleaning alone running $250 – $400. Most jobs take four to six hours, and we book Leon Valley appointments within the same week. If you live in a 1950s-70s slab-foundation home off Bandera Road or near Huebner Road, your ductwork has likely been collecting dust, pollen, and clay-soil particles for decades. We know these homes because we work in them every week. Call us at (430) 233-7681 and we’ll give you a written price before we touch a single vent.

Why Linden Air Duct San Antonio Is Leon Valley’s Preferred Air Duct Cleaning Company
Leon Valley homeowners call us because we treat their older homes differently than a cookie-cutter service would. A 1962 ranch on Evers Road with original galvanized ductwork is not the same job as a 2005 build in Fair Oaks Ranch. Marcus Veale, who leads our team, has spent years working in Leon Valley’s slab-foundation homes, and he trains every technician to inspect before cleaning, not after. Our reviews from Leon Valley customers consistently mention two things: the tech showed up when promised, and the final price matched the written quote.
We serve Leon Valley as part of our Air Duct Cleaning operation coordinated from our San Antonio office, with crews dispatched locally throughout the week. Every technician who arrives at your door is background-checked, identity-verified, and wearing a clean, marked uniform. Before the visit, we send you the tech’s name and photo. At the door, they show a photo ID badge. That’s the Threshold Standard, and it applies to every single job we do in Leon Valley.
Homeowners here often tell us they were nervous about letting a stranger into the house. We understand that. A real person answers our phone 24/7, so when you call (430) 233-7681, you speak to a human who can answer questions about your ductwork, not a voicemail loop.
Styles & brands we work with




Ductwork Cleaning in Leon Valley
Ductwork cleaning in Leon Valley means removing decades of accumulated debris from the metal channels that carry heated and cooled air through your home: dust, oak pollen, cedar pollen, pet dander, and in many older ranches, fragments of deteriorating duct insulation. We use negative-pressure extraction with professional-grade Rotobrush and Nikro equipment, which means we create a vacuum inside the duct while agitating the walls to dislodge what’s stuck. It’s not a surface wipe-down. It’s a removal of the material that has been recirculating through your living room since the Kennedy administration.
Most Leon Valley ranch homes need a full system cleaning every three to five years. If you’ve never had it done, or you bought the house from an estate and have no records, start with a cleaning and an inspection together. That combination in Leon Valley runs $400 – $700 depending on square footage and the number of returns. We put that number in writing before we start.
What We Actually Pull Out of Leon Valley Ducts
In slab-foundation homes, the return ducts often run through floor cavities that have been leaking for years. We routinely extract construction debris from the original build, pet hair compacted into damp corners, and fine clay dust that seeped in through unsealed joints. In homes off Huebner Road especially, we see white fiberglass particles from insulation breakdown, a problem that cleaning reveals but doesn’t solve by itself.
Why Sealing Is Often the Second Half of the Job
Cleaning a leaky duct system is like vacuuming a room while the window is open. You’ll get it cleaner, but the next day more dust blows in. In Leon Valley’s slab ranches, we often find disconnected or crushed runs under floors that need sealing with mastic or Aeroseal after cleaning. We’ll tell you if we find those. And we’ll show you the camera footage so you can see it yourself.
Air Duct Inspection in Leon Valley
Air duct inspection in Leon Valley is a camera-based look inside your ductwork using a small, flexible scope that snakes through floor runs and attic trunks. It’s how we find the problems you can’t see from the vent opening: torn or collapsed metal, mold growth from condensation, dead vermin, disconnected runs that are blowing conditioned air into the dirt under your slab. An inspection alone in Leon Valley runs $150 – $250 and is included at a reduced rate when you book a cleaning.
If you live in a home built between 1955 and 1975, we recommend an inspection before any cleaning estimate. Here’s why: the galvanized ductwork in those homes corrodes in the region’s clay soil, and if a run has separated at the seam, cleaning it first is wasted money. You need to know the condition of the metal before you invest in the service. We’ve walked away from jobs where the ducts were beyond cleaning, and sent the homeowner to a contractor for replacement instead. Honesty keeps us in business.

What a Camera Inspection Actually Shows
When our tech runs the scope, you watch the screen in real time. You’ll see the dust deposits, any standing moisture, and whether the duct walls are intact or rusted through in places. For homes with floor ducts, we look specifically at the seams where floor-mounted registers connect to the main trunk. Those are the most common failure points in Leon Valley’s slab ranches.
Mold and Moisture Checks in High-Humidity Months
Leon Valley summers drive air conditioners hard, and the inside of a cool duct against a hot attic is a condensation machine. That moisture supports mold growth on dust and insulation surfaces. Our inspection looks for visible mold colonies and moisture staining, and if we find them, we’ll tell you honestly what cleaning can remove and what needs bioremediation. We don’t sell you a service that won’t fix the problem.
Trusted Brands We Service in Leon Valley
We service and clean systems built around the equipment homeowners in Leon Valley actually have: Honeywell filtration units, Aprilaire media cabinets, Abatement Technologies whole-home purification systems, and Guardsman UV lamps. If it’s attached to your ductwork, we know how to access it without damaging it. Because we carry common replacement filters and components on the truck, we can swap a clogged Aprilaire filter or a failed UV bulb during the same visit in most Leon Valley homes, saving you a second service call.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Leon Valley Homes
- Deteriorating duct insulation in older ranches. Homes built along Huebner Road and Evers Road often have fiberglass-lined ducts from the 1960s that shed white particles into the supply air. Cleaning removes the loose material, but sealing is required to stop it from recurring.
- Clay-soil dust infiltration through unsealed floor runs. Slab foundations shift and settle in Leon Valley’s expansive clay, pulling duct joints apart. The gaps pull in dust, humidity, and radon precursors from the soil beneath your house.
- Condensation-driven mold in attic trunk lines. Long, humid summers with AC running constantly create persistent moisture inside attic ducts. We commonly find early-stage mold on return trunks during inspections, especially in homes with original 1960s insulation.
- Crushed or disconnected return ducts under slab floors. Original galvanized metal under a settling slab eventually separates or collapses. That forces your system to pull air from the crawlspace or soil cavity, bypassing your filter entirely.
Pricing for Air Duct Cleaning in Leon Valley, TX
Here’s what Leon Valley homeowners can expect to pay with us. A full system cleaning for a 1,500 – 2,000 square foot mid-century ranch runs $450 – $650. Supply duct cleaning alone runs $250 – $400, and return duct cleaning alone runs $200 – $350. Add a camera inspection for $150 – $250 if you want to see the condition before and after. Commercial duct cleaning for offices or retail spaces in Leon Valley starts at $800 and goes up based on system size and access difficulty. We provide one flat price per system before work starts, in writing, every time. No per-vent pricing, no surprise add-ons at the end. Call (430) 233-7681 for your exact quote; estimates are free.
We Also Serve Cities Near Leon Valley
While this page covers Leon Valley specifically, our crews serve homeowners across the northwest San Antonio corridor, including San Antonio, Selma, Fair Oaks Ranch, and Alamo Heights. If you’re on the edge of Leon Valley or just outside, call us anyway. We’ll tell you honestly whether we can get to you this week and what your job will cost.
Serving Leon Valley, TX - Our Local Coverage Area
We’re based in the Leon Valley 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 About Air Duct Cleaning in Leon Valley
Because cleaning alone can’t compensate for disconnected or corroded duct runs under slab foundations. Leon Valley’s clay soil shifts, separating the galvanized joints on floor-system ductwork. Without sealing those gaps with mastic or Aeroseal after cleaning, your system just pulls soil dust and humidity right back into the house. We include a sealing recommendation whenever our camera inspection finds leaks, and we’ll show you the footage before we quote it. Call (430) 233-7681 to ask about your specific home.
That white dust near Huebner Road and other older Leon Valley neighborhoods is almost always deteriorated fiberglass duct insulation from original 1960s-era supply lines. Cleaning removes the loose particles currently in the system, but the insulation will continue shedding until it’s sealed or replaced. We cleaned a 1963 ranch off Huebner Road where the homeowner saw the dust reappear within days. Our inspection found multiple disconnected floor runs and degraded insulation; after negative-pressure cleaning with HEPA filtration and sealing with mastic and Aeroseal, the dust stopped. We’ll tell you honestly which fix your home needs.
Accessing floor ductwork in Leon Valley’s slab-on-grade homes requires specialized camera equipment and, in many cases, opening small access points at strategic floor registers. The ducts themselves run through channels inside the concrete slab, so they can’t be pulled out and replaced like attic ductwork. Our technicians use flexible scopes to map the runs, then clean through the existing register openings with negative-pressure extraction and agitation tools. When sealing is needed, we apply it through the same access points. Slab duct cleaning takes longer than attic work; expect four to six hours for a full system in a typical Leon Valley ranch.
Yes, and it does. Leon Valley’s hot, humid summers mean your AC runs nearly constantly, cooling the metal ducts while humid outdoor air surrounds them. That temperature differential creates condensation, and condensation on dust or fiberglass insulation leads to mold. The return ducts in attics are the most susceptible, especially in older homes with minimal attic ventilation. Our camera inspection looks for mold colonies and moisture staining, and if we find them, we’ll tell you what cleaning can address and what needs more aggressive treatment. Get it checked now at (430) 233-7681 before it spreads further.
Dryer vent cleaning is always a separate service from air duct cleaning. Your dryer vent is an exhaust pipe that runs from the back of your dryer to the outside, usually through an exterior wall. It carries lint, not household air, and it needs its own cleaning process with a rotary brush and high-pressure air. In Leon Valley’s older homes, dryer vents are often short but may have been poorly installed originally, with flexible plastic rather than rigid metal, which traps lint faster. We can clean both systems in the same visit if you want, but they’re priced separately. Ask for both when you call (430) 233-7681 and we’ll put the combined price in writing before we start.
Written by Marcus Veale, Owner at Linden Air Duct San Antonio, serving Leon Valley and surrounding communities since 2004.