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 Repair Across Universal City
Air duct repair in Universal City typically runs $325 – $680 for a standard single-system house, with most jobs completed in one visit. If you live in a 1960s or 1970s slab ranch off Pat Booker Road or Kitty Hawk Road, there’s a good chance your ducts are original flex with degraded inner liners shedding particles every time the blower kicks on. We know those systems. We know what breaks in them, what it costs to fix, and how to show you the proof before and after. Call us at (430) 233-7681 and we’ll put a written price in your hands before any work begins.

Why Linden Air Duct San Antonio Is Universal City’s Preferred Air Duct Repair Company
Universal City homeowners open their doors to us because we do the one thing most duct companies won’t: we tell you exactly who’s coming and exactly what it costs before the van ever leaves the shop. Every technician is background-checked and identity-verified under the Threshold Standard. You get the tech’s name and photo before the visit. At the door, they show a photo ID badge. No exceptions, no surprises.
Marcus Veale leads our team. He’s built the Threshold Group approach since 2004 around a simple idea: a repair isn’t done until you’ve seen the before-and-after photos of your own ducts and the work holds up. That’s why every repair we do in Universal City carries a written guarantee and a free second visit if a covered repair fails. Dispatch runs from our San Antonio office, and crews serve Universal City neighborhoods directly. When you call, a live person answers. Not a phone tree. Not a callback queue. A human being, any hour of the day.
Styles & brands we work with




Ductwork Installation in Universal City
Ductwork installation in Universal City means replacing failed runs of flex duct in hot attics, typically in slab-ranch homes where the original 1960s or 1970s material has finally delaminated beyond repair. The work involves removing old duct, properly sizing new R-6 or R-8 insulated flex, sealing connections with mastic, and balancing airflow at the registers. Where a section is collapsed, crushed, or rodent-damaged, a full replacement is cheaper in the long run than repeated patch jobs.
Whole-System Replacement vs. Sectional Repairs
A full ductwork installation in a typical 1,600-square-foot Universal City ranch runs $2,800 – $5,400 depending on run count and attic access. Sectional repair of one or two failed runs usually lands between $450 and $900. We price the whole system in writing before work starts, so you know the number before we touch anything.
Attic Access Challenges in Older Ranches
Many Universal City homes off Kitty Hawk Road have low-slope roofs and cramped attic spaces with blown-in insulation covering the original flex runs. That makes replacement slower and more careful work. We quote the job after seeing the attic, not from an online form.
HVAC Duct Installation in Universal City
HVAC duct installation in Universal City goes beyond swapping out old flex. It means replacing supply plenums, return boxes, and sometimes the entire trunk line when the original sheet metal has rusted through or separated at the seams. Homes near Randolph AFB see frequent tenant turnover, and base housing transfers often trigger a pre-occupancy HVAC inspection that flags duct problems the previous owner deferred.
Returns and Supply Runs on Slab-Ranch Layouts
The classic Universal City slab ranch has a central return in a hallway and long supply runs stretching to the far bedrooms. When we install new HVAC ducting, we often upsize the return to reduce static pressure, which quiets the system and improves airflow to the rooms farthest from the air handler. Expect $3,200 – $5,800 for a complete HVAC duct installation with new plenums and all supply and return runs replaced.
Dealing with Blown-In Insulation and Debris
Homes built in the 1970s often had blown-in cellulose or fiberglass added during later energy retrofits. That insulation settles into duct runs through loose joints and ends up coating the evaporator coil. We clean the coil and install sealed media cabinets where needed. The point is a system that actually moves air the way the original builder intended, minus the decades of crud.

Trusted Brands We Service in Universal City
We work with Rotobrush and Nikro agitation and negative-pressure equipment, and we stock replacement parts for most major residential HVAC configurations in Universal City. That means faster turnaround when a repair calls for a new grille, a damper, or a length of R-8 flex. We also use air-quality components from Honeywell and Aprilaire when a repair job includes upgrading filtration. If you’re already running a Honeywell media cabinet or an Aprilaire whole-house filter, we can service it and match new parts without a second visit for unknowns.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Repair Problems We See in Universal City Homes
- Delaminated 1960s flex liners. The inner plastic liner of original flex duct breaks down from decades of attic heat, turning brittle and gray. It sheds fine particles through the registers every time the blower runs. This is the signature failure we see in homes along Kitty Hawk Road and the original subdivisions.
- Pollen bypassing loose joints. Universal City’s surrounding open land produces heavy cedar and oak pollen in spring and fall. Loose duct joints in slab-ranch attics let that pollen slip past the filter and coat the evaporator coil, cutting airflow and efficiency.
- Rodent intrusion in outbuilding ducts. On the rural fringes off FM 1518, outbuilding and garage duct systems pick up nesting material and droppings. That blocks airflow and pushes foul odors into occupied spaces. Repair includes removal, sanitizing the runs, and sealing entry points.
- Sand and dust from base-area yard work. Homes near Randolph AFB, especially those with open windows in spring, accumulate fine sand and dust in the return and supply plenums. We see it packed into blower motor cabinets. It wears bearings faster and loads up the coil fins.
Pricing for Air Duct Repair in Universal City, TX
Here are honest numbers for Universal City, not teaser quotes. Sealing loose duct joints and replacing a damaged grille typically runs $180 – $350. Repairing one failed flex run with new R-6 insulated duct costs $325 – $550. A full wipe of rodent contamination from an outbuilding duct system runs $600 – $1,000 depending on run length and access. What moves the price is attic access, run count, and how much of the system is original. We put one flat price per system in writing before work starts. No per-vent games. No van-side upsells. Call (430) 233-7681 for a free estimate with the actual number, not a range pulled from a national chart.
We Also Serve Cities Near Universal City
Our technicians handle Air Duct Repair throughout the northeast San Antonio corridor. If you’re in Converse or the surrounding San Antonio neighborhoods, we can often schedule you within the same week and bring the same written-price standard. Air Duct Repair in Universal City remains a core service area, and we know the local housing stock better than anyone running a regional call center.
Serving Universal City, TX - Our Local Coverage Area
We’re based in the Universal City 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 Repair in Universal City
Every 2 to 3 years is realistic for a Universal City ranch near unpaved roads or open pasture. The dust loading from gravel drives and windblown field dirt loads up the return plenum and blower cabinet faster than in newer, tighter subdivisions. If you see a fine film on register faces within weeks of cleaning, you’re in that category. Call (430) 233-7681 and we’ll inspect before recommending a clean.
Yes, and it’s not close. 1970s homes that got energy retrofits in the 1980s and 1990s often have loose-fill insulation that entered the duct system through seams that were never sealed. Newer homes in Cibolo or Schertz rarely show that pattern. If you have a 1970s Universal City home, expect us to find insulation in the ducts unless someone has already replaced them.
They can. Homes on acreages off FM 1518 that burn wood through winter pull fine ash and creosote particulates into the return air. That residue coats the blower wheel and evaporator coil, reducing efficiency and eventually requiring a coil pull-and-clean. If you burn wood regularly, plan on more frequent filter changes and an annual duct inspection. We’ll tell you exactly what we find, with photos.
Outbuilding systems, like a workshop or converted garage with its own duct run, are more prone to rodent damage and construction debris than the main house. Those runs are often uninsulated metal in unconditioned space, which condenses moisture and encourages rust. Repair means sealing, sanitizing, and often replacing the run entirely. We treat outbuilding systems as their own job with their own written price.
Yes. The areas around Randolph AFB have sandy topsoil, and homes with open windows in spring or active yard work pull that sand into the return. It settles in the blower motor cabinet and wears the bearings prematurely. If you’re hearing a faint grinding at startup or see gray dust blowing from registers, call (430) 233-7681 for an inspection. A clean blower cabinet lasts longer and runs quieter.
Written by Marcus Veale, Owner at Linden Air Duct San Antonio, serving Universal City since 2004.