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.
Lennox Air Duct Cleaning in Cibolo, TX | Cardinal Air Duct San Antonio
We provide independent Lennox Air Duct Cleaning - Cibolo across the area, and most standard whole-system cleanings run $450 – $800 for a typical two-story home here. What makes our Lennox work different in Cibolo is simple: we know the tract-home duct layouts in this city’s master-planned communities well enough to spot a skipped cleaning or a failed duct collar before we even open the attic hatch. If your Lennox system is pushing dust into a Cibolo home, call (254) 347-3897 and we’ll give you a written price before anything gets touched.
Why Cibolo Residents Choose Us for Lennox Service
Most duct cleaners in the San Antonio area can run a vacuum through a return. Far fewer can tell you why a Lennox variable-speed air handler in a Cibolo two-story behaves differently than a single-stage unit in Schertz, or why a PureAir S filter on Turning Stone Drive clogs twice as fast as the same filter across I-35. That kind of brand-specific knowledge is exactly what Omar Haddad built Cardinal Air Duct around. We work on Lennox systems every week, from Lennox sales & service through to the maintenance side, and we’ve seen how the Signature, Elite, and Merit lines each accumulate dust differently. For Cibolo homeowners, that means a tech who arrives already understanding your equipment, not one who’s seeing your model number for the first time.
We’re an independent Lennox service provider, not a manufacturer affiliate or authorized dealer. That independence works in your favor: we recommend OEM Lennox-compatible filters and coil cleaners where tight tolerances matter, and quality aftermarket flex duct and mastic where a Lennox-branded part doesn’t justify the markup. Every Cibolo job includes a written price before work starts, background-checked uniformed techs, and the 365-Day Done Right Promise: if the work isn’t right within a year, we come back and correct it at no charge.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in Cibolo
Here’s what we pull out of Lennox systems in this city on a regular basis. Each one ties back to how Cibolo homes are built and how the climate here runs an HVAC system nearly year-round.
- PureAir S filters clogging fast during oak and cedar season. Cibolo sits right at the edge of Hill Country pollen territory, and in March and April, a Lennox Healthy Climate PureAir S media filter can load up in six to eight weeks instead of six months. When that happens, airflow starves, and dust that should stop at the filter bypasses it and lands in your supply ducts. We clean the ductwork and date-stamp your next filter change so you’re not breathing bypass dust for the rest of the summer.
- Flex duct separation at attic takeoffs in two-story Lennox systems. The typical Cibolo home built after 2000 has R-6 flexible ductwork strung through a hot attic. Summer attic temperatures here hit 130°F or worse, and that heat sags the flex runs, pulls them loose at the supply plenum, and lets attic dust and insulation particles get drawn into the system. We re-collar, mastic, and re-strap those connections during every cleaning.
- Zoning bypass dampers sticking open from construction dust. Cibolo has been under continuous construction for twenty years, and fine drywall and stucco dust finds its way into Lennox zoning damper actuators. A stuck-open bypass damper sends dirty air into rooms nobody’s using, and it wastes the efficiency you paid for in a Lennox variable-speed system. We free up the damper and clean the actuator gears as part of a full duct service.
- Compacted fine dust inside return ducts on variable-speed air handlers. Lennox variable-speed blowers run long and low, which is great for comfort but means airborne dust has more dwell time to settle and pack inside return runs. That compacted layer won’t come out with a shop vac or a fog machine. It needs rotary brush agitation and a true negative-pressure extraction setup, which is exactly the Rotobrush and Nikro combination we run on every Cibolo job.
- Dirty evaporator coils starving airflow in heat and humidity. Cibolo’s humid summers coat evaporator coils with a damp, dust-laden film that bakes on and insulates the coil. That reduces cooling capacity and forces your Lennox compressor to work harder. We clean the coil with OEM-compatible coil cleaner as part of a full system cleaning, and we show you before-and-after photos of the coil so you can see it was actually done.
Lennox Service in Cibolo: What Local Conditions Mean for Your Equipment
Here’s a fact about Cibolo that doesn’t show up on a generic Lennox page. In master-planned communities like Turning Stone and Buffalo Crossing, the Lennox systems are installed in homes that share near-identical floor plans and duct layouts. That means a tech who has worked a dozen houses on the same street already knows where the supply trunk runs, where the return drop is, and which duct junction is most likely to fail from attic heat. Last week in Buffalo Crossing, our tech climbed into a finished attic where a Lennox SLP99V variable-speed gas furnace had been running without a filter in the media cabinet. The blower wheel was packed with a mix of oak pollen and drywall dust hard enough to chip off in chunks, and the return flex duct had pulled loose at the plenum, so every high-stage ramp was pulling attic insulation straight into the living space. We pulled the blower assembly, pressure-washed the wheel, resealed the collar with mastic and new panduit straps, and left the homeowner with a date-stamped filter reminder. If you live on a street where every house has the same roofline, odds are decent your neighbor’s duct problem is quietly becoming yours too.
Lennox Models & Products We Service in Cibolo
We service the full Lennox residential lineup across our Cibolo service area. That includes the Signature Collection (SLP99V, XC25, SLP98V), the Elite Series (EL296V, XC20, EL18XCV), and the Merit Series (ML14XC1, ML180, CBX25UH). We also clean and maintain the Healthy Climate PureAir S filtration systems, which are common in Cibolo’s newer construction and need more attention here than in other markets because of the pollen load. Where Lennox-specific parts affect performance, we use OEM-compatible components. Where an aftermarket flex duct or mastic collar does the job just as well for less money, we’ll tell you that too. Most Cibolo Lennox systems are under 15 years old, so we clean and repair before we ever suggest replacing a duct run or air handler part.
See the difference
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AfterLennox Service Pricing in Cibolo
Expect to pay $450 – $800 for a complete Lennox air duct cleaning in a typical Cibolo home, including all supply runs, return ducts, the plenum, the blower compartment, and evaporator coil cleaning. Larger two-story homes with zoning systems and multiple returns can run higher, but the price is written down before we start and it does not change at the door. What drives cost here is access: Cibolo attics are hot, sometimes finished, and often cramped, and that labor shows up in the quote honestly. We include video inspection and before-and-after photos of your own ducts on every job. For an exact number on your system, call (254) 347-3897 and we’ll walk you through it.
Serving Cibolo, TX - Our Local Coverage Area
We’re based in the Cibolo 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 – Lennox Air Duct Cleaning in Cibolo
Yes, and often more often. The PureAir S filtration system traps fine particles at the filter, but Cibolo’s spring oak and cedar pollen loads plug that media faster than Lennox’s average service interval assumes, and once the filter is loaded, bypass dust ends up in the supply ducts. We recommend checking the filter every 60 days during pollen season and scheduling Cibolo Dryer Vent Cleaning or duct cleaning based on what the blower compartment and return runs actually show, not a calendar. Call (254) 347-3897 and we can check yours.
Cibolo’s newer homes use flexible R-6 ductwork stretched through unconditioned attics, and the combination of attic heat, humidity, and rushed tract-home installation leads to sagging runs and separated collars. That pulls attic dust and insulation into the airstream, which then coats your Lennox blower wheel and evaporator coil. Our cleanings include inspecting and resealing every accessible duct collar.
Two things compound here. First, Cibolo has been in a near-constant construction cycle since the early 2000s, so fine drywall and stucco dust is in the air at ground level. Second, master-planned communities like Turning Stone and Buffalo Crossing have tight, energy-efficient building envelopes that recirculate indoor air heavily, so whatever dust enters your home stays in the system unless the ducts are actually clean. If your vents film over with dust within weeks of a cleaning, the ducts were probably never fully cleaned in the first place.
Yes. Fine construction dust infiltrates the actuator gears on Lennox zoning bypass dampers, and the damper motor will click as it tries to move a stuck gear. The system then sends conditioned air to rooms you’re not using and starves the rooms you’re in. We clean the damper actuators and the surrounding duct during a full system cleaning, and that restores proper zoning response without replacing the board.
Supply ducts carry conditioned air out of the air handler and tend to collect mold-friendly dust on interior walls in high humidity. Return ducts pull air back in and in Cibolo’s two-story homes, they often accumulate a compacted layer of skin cells, pollen, and construction dust that cakes onto the flex duct lining. We clean both, but the return side typically needs more aggressive brush agitation because that compacted layer won’t loosen with suction alone.
Service Areas Near Cibolo
We serve Cibolo and the surrounding communities, including Lennox service in San Antonio, Lennox service in New Braunfels, Converse, Terrell Hills, and Timberwood Park. If you’re in the Cibolo area or a neighboring city, we’ll send a Lennox-trained tech with a written price in hand.
Book Your Lennox Service in Cibolo Today
If your Lennox system is blowing dust, running loud, or tripping your zoning board in a Cibolo home, call (254) 347-3897 for a free estimate. We’ll give you a written price, a live arrival window you can track, and before-and-after photos of your own ducts. Clean ducts, straight answers, real price – that’s the whole pitch.
Written by Omar Haddad, Owner at Cardinal Air Duct San Antonio, serving Cibolo and the greater San Antonio area with independent Lennox duct cleaning since 2005.