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 Alamo Heights
Air duct cleaning in Alamo Heights typically costs between $450 and $900 for a full single-system home, and most jobs are completed in one visit. Homes with original galvanized ductwork in pier-and-beam foundations sometimes run higher because of the extra time required to access and seal crawl-space connections. If you’re noticing dust settling on furniture within days of cleaning, a musty smell from floor vents, or allergy symptoms that flare up indoors, your ducts are likely the source. Our crews know Alamo Heights homes well. Call (430) 233-7681 for a written quote before any work begins.
Why Linden Air Duct San Antonio Is Alamo Heights’s Preferred Air Duct Cleaning Company
We’ve worked in enough Alamo Heights homes to know that no two duct systems are alike. A 1930s Spanish Eclectic near Cambridge Elementary has different problems than a 1950s ranch off Nacogdoches Road. The older homes here share a common condition: return ducts routed through unsealed crawl spaces where clay-heavy soil holds moisture after rain. That’s a very different job than a newer slab-on-grade house in a neighboring city. Our crews are trained to identify these systems before work starts, not after.
Marcus Veale, who leads our San Antonio operation, has made one rule non-negotiable: the price you’re quoted is the price you pay. Every Alamo Heights customer receives a written quote before any equipment comes off the van. No per-vent pricing games. No surprise line items at the end. And every technician who comes to your door is background-checked, identity-verified, photo-badged, and introduced to you by name and photo before arrival. That’s the Threshold Standard, and it’s how we’ve operated since 2004 as part of the Threshold Group family.
Our Air Duct Cleaning team serves Alamo Heights with equipment from Rotobrush and Nikro, paired with air-quality products from Aprilaire and Abatement Technologies where a job calls for them. We dispatch from our San Antonio office, and our crews know the streets, the housing stock, and the specific duct problems that repeat themselves here.
Styles & brands we work with
Vent Cleaning in Alamo Heights
Vent cleaning in Alamo Heights means cleaning every register, supply vent, and return grille attached to your duct system, not just the ducts themselves. In older Alamo Heights homes, registers often sit in tight mechanical closets or behind furniture that hasn’t moved in years. They accumulate a paste of dust, pet hair, and cooking grease that recontaminates freshly cleaned ductwork within weeks if left untouched. A proper vent cleaning includes removing each register, degreasing and sanitizing the face and boot, and vacuuming the visible portion of the duct run before reinstallation. For most Alamo Heights homes, vent cleaning runs $120 to $250 when completed alongside a full duct cleaning, or $200 to $350 as a standalone service.
Register and grille restoration
Many Alamo Heights homes still have original cast-iron or brass registers from the 1930s and 1940s. These aren’t just functional; they’re part of the house’s character. We clean them carefully with non-abrasive methods so the finish survives. Where a register is rusted through or bent beyond repair, we can source period-appropriate replacements rather than installing generic stamped steel.
Return vent cleaning for pier-and-beam homes
If your Alamo Heights home sits on a pier-and-beam foundation, your return grilles are often in hallway walls or floors, not ceilings. That means they pull air from the lowest, dustiest part of the house. We pay special attention to these returns because they’re where crawl-space air, pet dander, and fine clay dust enter the system. Cleaning them properly reduces the volume of particulate that reaches your coil and blower.
Ductwork Cleaning in Alamo Heights
Ductwork cleaning in Alamo Heights homes is a source-removal process, not a surface dusting. We use negative-pressure extraction: a high-powered vacuum creates suction at the air handler while agitation tools knock loose the debris bonded to duct walls. The debris is pulled out of your home and into our HEPA-filtered containment system, not blown around your living room. For a typical 2,000-square-foot Alamo Heights home, complete ductwork cleaning runs $450 to $750. Larger homes, or those with original galvanized ducts that need joint sealing, run $700 to $900.
Negative-pressure cleaning explained
The principle is simple. Your home’s air is never used to clean your ducts. Instead, we seal the system and pull a vacuum from one end while working from the other. Everything dislodged flows toward the vacuum, through a HEPA filter, and out of the air stream. For Alamo Heights homes with crawl-space returns, this matters even more because we’re often pulling decades of accumulated clay dust and storm-blown debris out of duct runs that have never been properly sealed.
Galvanized ductwork and joint sealing
Original galvanized steel ducts in 1920s-1950s Alamo Heights homes corrode at the seams. The humid summer air accelerates oxidation, and joints that were once tight now gape open. Cleaning a duct that’s leaking at the joints is wasted effort; the system pulls dirty crawl-space air right back in. We inspect every accessible joint during cleaning and apply mastic sealant or aluminum tape where separation is found. The cleaning and sealing happen together, so the result actually lasts.
Trusted Brands We Service in Alamo Heights
We maintain and clean systems built around equipment from every major manufacturer, and our Alamo Heights customers regularly have Aprilaire filtration units, Abatement Technologies HEPA systems, and Guardsman antimicrobial products installed alongside their ductwork. Rotobrush and Nikro equipment is what we run on every job. Because many Alamo Heights homes use original equipment that’s no longer manufactured, we keep a local stock of common adapters, registers, and flex duct sections so a straightforward repair doesn’t become a two-week wait for parts. When we quote a job, we tell you what parts it needs and whether they’re on the van or on order.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Alamo Heights Homes
- Separated return ducts in crawl spaces. Return air runs through unsealed crawl spaces in many Alamo Heights pier-and-beam homes, and the joints are often loose or fully disconnected. After spring thunderstorms, these gaps pull humid, clay-scented air and fine soil particles directly into the living space.
- Corroded galvanized duct seams. Decades of humid San Antonio air rust the seams on original steel ducts. The corrosion creates rough surfaces that hold dust and restrict airflow, and it weakens joints so they separate under normal vibration.
- Contaminated registers in tight mechanical closets. Many Alamo Heights cottages have mechanical closets just large enough for the air handler, which means registers and grilles get skipped for years. Dirty registers recontaminate clean ducts within weeks.
- Historic plaster dust and renovation residue. Homes built before 1960 often carry fine plaster dust from original construction and later renovations inside their ductwork. This dust is finer than typical household dust and tends to pass through standard filters, settling on furniture and aggravating allergies.
Pricing for Air Duct Cleaning in Alamo Heights, TX
A full-system air duct cleaning in Alamo Heights runs $450 to $900 for a single-family home, depending on the home’s square footage, the number of returns, and whether we’re also sealing galvanized joints. Vent and register cleaning adds $120 to $250 when booked with the main job. Video inspection, which we include with most older-home cleanings, is $99 when booked separately. What affects your price most is access: tight mechanical closets and pier-and-beam crawl spaces take longer to work in safely, and that labor is part of the quote, not a surprise fee. Call (430) 233-7681 and we’ll give you a written price before anyone shows up. The estimate is free, and the number you’re quoted is the number you pay.
We Also Serve Cities Near Alamo Heights
Our crews work throughout the San Antonio metro, including Selma, Fair Oaks Ranch, and Windcrest. Each area has its own housing patterns and duct problems. If you’re researching Air Duct Cleaning in Alamo Heights specifically, we’re the team that knows these older pier-and-beam cottages best. Call (430) 233-7681 and tell us what you’re seeing; we’ll tell you whether it’s a duct issue and what it’ll cost to fix.
Serving Alamo Heights, TX - Our Local Coverage Area
We’re based in the Alamo Heights 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 Alamo Heights
Your allergies spike after a storm because your return ducts likely run through an unsealed crawl space sitting on clay-heavy soil. After heavy rain, that soil holds moisture, and the air in the crawl space becomes humid and carries mold spores, soil particles, and storm-blown organic debris. If your return duct has a loose or disconnected joint, that contaminated air gets pulled directly into your living space and distributed through every vent. The fix is a video inspection to locate the disconnect, source removal with negative pressure, and sealing the joints so the system stops pulling from the crawl space. Call (430) 233-7681 and ask for a crawl-space return inspection.
Yes. In Alamo Heights’s humid climate, unsealed galvanized ducts corrode at the seams and leak. If you clean without sealing, the system immediately starts pulling humid, contaminated air back through the gaps, and the cleaning doesn’t hold. Sealing is part of our process on older homes, not an upsell. We inspect joints with a camera, seal what’s accessible, and tell you honestly which sections can’t be reached without opening walls.
For a pre-1960 pier-and-beam home in Alamo Heights, we recommend a full cleaning every 3 to 5 years, or every 2 to 3 if you have pets, allergies, or a crawl-space return that runs through unsealed joints. Homes on slab foundations with tight, sealed duct systems can often go 5 to 7 years between cleanings. The difference is the crawl space; older Alamo Heights homes pull more soil dust, humidity, and storm debris into their systems than newer construction in neighboring cities.
Yes, if the source is inside the ductwork or crawl-space return path. The musty smell you’re describing is almost always biological growth or saturated soil odors being pulled through a disconnected or perforated return duct in the crawl space. Cleaning removes the organic material that holds the odor, and sealing the duct prevents it from returning. If the crawl space itself has standing water or persistent mold, we’ll tell you that a dehumidifier or crawl-space encapsulation is the real fix; we’d rather be honest than sell you a cleaning that won’t last. Call (430) 233-7681 for an inspection and a straight answer.
Negative pressure means we pull air out of your ducts rather than blowing air around inside them. A sealed vacuum draws a continuous suction through the duct system while agitation tools loosen bonded dust, pet dander, and plaster residue from the walls. Everything dislodged flows toward the vacuum and through a HEPA filter, never into your living room. In an Alamo Heights home with a leaky crawl-space return, negative pressure also reveals where air is being pulled in from outside, which is exactly what we need to see before sealing.
Off Patterson Avenue, our crew serviced a 1930s Spanish Eclectic whose return duct had separated at a joint in the crawl space after spring thunderstorms. We used a camera inspection to locate the disconnect, then performed source removal with negative pressure and HEPA filtration before sealing the galvanized duct. The result eliminated a sudden spike in dust and a persistent musty smell that had the homeowner running the air handler almost constantly. That job is a good summary of what older Alamo Heights homes need: not just a cleaning, but a repair that makes the cleaning hold.
Written by Marcus Veale, Owner at Linden Air Duct San Antonio. Serving Alamo Heights and the surrounding metro with verified, written-in-advance pricing since 2004.