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 Austin, TX | Cardinal Air Duct Austin
We provide independent Lennox air duct cleaning across Austin, and we’ll give you a straight answer before we ever touch a register: most standard Lennox duct cleanings in Austin run $450 to $900 depending on system size and how much the ducts have collected over the years. What makes our Lennox work different here is that we know exactly where Austin’s cedar pollen, construction dust, and humidity hide inside Lennox ductwork, because we’ve spent years inside those systems in homes from Allandale to Mueller. If you need Lennox air duct cleaning in Austin, call (940) 283-6595 and a live person answers, day or night.
Why Austin Residents Choose Us for Lennox Service
We’re an independent Lennox service provider, not a manufacturer affiliate or authorized dealer. That matters because we don’t have a corporate script to follow. Our techs spend every week inside Lennox air systems in Austin homes, from original mid-century metal duct runs in Allandale to newly installed flex duct in Mueller, and we know exactly where Lennox ducts trap cedar pollen, construction dust, and moisture. For comprehensive Air Duct Cleaning - Austin homeowners trust, we bring that neighborhood-specific expertise to every job. Omar Haddad grew up in Los Angeles and learned the trade at Los Angeles Trade-Technical College before spending nearly two decades cleaning HVAC systems across the Southwest. He and his crew have served Austin homeowners for years, running jobs everywhere from quiet cul-de-sacs in Tarrytown to commercial buildings near the Domain. Omar built his reputation on showing up with the right equipment, Rotobrush contact-vacuum systems and Nikro negative-air machines, and explaining exactly what he found before touching a single register.
We also understand what Lennox owners actually need. Our full-service expertise in Lennox sales & service means we speak the language of your system’s engineering, not just the marketing brochure. Every job includes a written price before work begins, a written guarantee on every repair, and a free second visit if any repair fails. That’s our 365-Day Done Right Promise, and it covers every booking without exception.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in Austin
Here’s what we regularly find inside Lennox systems across Austin. These aren’t hypotheticals. They’re the issues we pull out of real ducts every week.
- Collapsed or kinked flex duct in newer Lennox installs. Austin’s attic temperatures climb past 140 degrees in July and August, and cheap flex duct softens and collapses under its own weight. We see this constantly in homes built since 2015. The fix usually means replacing the collapsed run and re-hanging it with proper support, not just cleaning around the damage.
- Rust and seam gaps in original metal ducts. Older central Austin homes, think Hyde Park and Bouldin Creek bungalows, often still have the original galvanized metal Lennox ducts from decades ago. Austin’s humid shoulder seasons, especially April through June, create condensation that rusts those seams open. Once a seam gaps, attic insulation and dust get pulled directly into the airflow.
- Drywall dust coating brand-new Lennox flex ducts. This one shocks homeowners. A three-year-old Lennox system near the Domain or Mueller should be clean, but builders run HVAC during construction and rarely seal off registers. The result is a quarter-inch of white dust lining every duct before the first owner moves in.
- Mold growth inside insulated Lennox ducts. Austin’s cooling season runs from May through October, and condensation forms inside insulated duct runs, especially above garages and unconditioned attics. That moisture feeds mold on the inner lining. We use Nikro HEPA filtration to contain it, never just vacuum it loose into your living room.
- Clogged evaporator coils reducing airflow. Running the AC nearly year-round in Austin means dust, pollen, and pet hair cake onto the evaporator coil. A dirty coil starves a Lennox variable-speed air handler of clean airflow, which makes the system run longer, use more power, and still under-deliver cool air.
Lennox Service in Austin: What Local Conditions Mean for Your Equipment
Austin’s Mueller redevelopment has produced a measurable spike in drywall dust inside Lennox ductwork, even in homes built within the last three years. Builders run the HVAC system during construction to keep crews cool and control humidity, but they almost never seal off the supply and return registers. So every Lennox system in those newly built Mueller homes spends weeks pulling airborne drywall dust through the ductwork before anyone ever moves in. That dust settles in the flex duct, coats the evaporator coil, and clogs the Lennox Healthy Climate filtration media. If you bought a new-construction home near Aldrich Street or Berkman Drive and your Lennox system has already lost airflow, that’s the likely cause. The fix isn’t a filter change. It’s a full duct cleaning with negative-pressure extraction, the loosened debris goes straight into the vacuum, not back into your living room. For homes needing Austin Dryer Vent Cleaning as well, we can bundle services and handle both during the same visit.lus a coil cleaning and filter replacement to restore the system’s factory airflow.
We cleaned a 2019 Lennox Elite system in the Mueller neighborhood where our video inspection showed flex ducts half-collapsed in the attic and coated with white drywall dust. Our tech repaired the collapsed sections with new flex, applied mastic to all connections, and cleaned the evaporator coil. Airflow jumped from 280 to 410 CFM at the supply vents. The homeowner said the difference in cooling was immediate. That’s the kind of before-and-after proof we document with photos on every single job.
Lennox Models & Products We Service in Austin
We work on the full Lennox lineup across Austin, including the Lennox Elite Series, Merit Series, Dave Lennox Signature Collection, and Healthy Climate air purification and ventilation products. Each line has its own ductwork quirks. Elite and Signature systems often pair with variable-speed air handlers that expose duct leaks more readily, while Merit Series installs in older homes typically have original metal duct runs that need seam sealing. When parts are needed, we use OEM Lennox filters and sealants where spec matters, but we won’t hesitate to recommend a quality aftermarket mastic or flex duct when it outperforms the original material. We’ll also be straight with you about whether a duct section needs repair or full replacement. No upselling, just what the system actually requires.
See the difference
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AfterLennox Service Pricing in Austin
Here are the honest numbers for Lennox air duct cleaning in Austin.
- Standard whole-home duct cleaning: $450 to $750 for a typical 1,500 to 2,500 square foot home with one Lennox system
- Larger homes or dual Lennox systems: $700 to $950
- Evaporator coil cleaning (add-on): $150 to $250
- Flex duct repair or replacement (per section): $85 to $180 depending on run length and access
- Mastic sealing of duct connections: $120 to $300 depending on the number of accessible joints
What drives the cost is straightforward: system size, how many registers you have, how long it’s been since the last cleaning, and whether we find damage that needs repair. A free estimate includes all of this spelled out in writing before any work starts. The price on that estimate does not change at the door. No per-vent surprises, no bait-and-switch add-ons. Call (940) 283-6595 and we’ll give you an exact quote based on your home’s specific Lennox setup.
Serving Austin, TX - Our Local Coverage Area
We’re based in the Austin 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 Austin
Builders run the HVAC during construction to keep crews comfortable, and they rarely seal off the registers, so drywall dust gets pulled through the entire duct system before you ever move in. We see this constantly in new construction near the Domain and Mueller redevelopment. A cleaning plus coil service restores the system to the condition it should have left the factory in. Call (940) 283-6595 for a free estimate if your new home’s system already feels weak.
Yes, and Austin’s January cedar season is brutal for it. Pollen gets pulled through the return registers, bypasses a dirty or incorrectly sized filter, and settles in the duct lining where it keeps recirculating through the house. Lennox Healthy Climate filtration helps, but it only catches what actually reaches the filter. If the ducts already hold pollen from previous seasons, you need the ducts cleaned first. We see this pattern in nearly every central Austin home we service.
It depends on the condition of the metal. Original galvanized ducts in Hyde Park or Tarrytown bungalows often have rusted seams and gaps that let attic insulation into the airflow. If the metal is largely intact, we can clean it, seal the seams with mastic, and get years more service. If sections are rusted through or crushed, replacement is the honest call. We’ll show you the video inspection so you can see exactly what we’re seeing before you decide.
Austin isn’t as dry as people assume, especially from April through October. High humidity plus long AC runtimes creates condensation inside insulated duct runs, particularly above garages and unconditioned attics. That moisture feeds mold growth on the inner lining. We contain and remove it with Nikro HEPA filtration and Abatement Technologies containment units, then address the condensation source so it doesn’t return.
Yes, and it helps more than you might expect. A variable-speed Lennox air handler adjusts its output based on static pressure, and dirty ducts or a clogged coil increase that pressure, which makes the blower work harder and use more power. Clean ducts and coils lower static pressure, which lets the variable-speed blower do the job it was designed for. We’ve measured airflow improvements after cleaning using the same gear we run on every job. Call (940) 283-6595 and we’ll walk you through what’s involved for your exact Lennox model.
Service Areas Near Austin
We serve homes and businesses throughout the Austin service area, from central neighborhoods like Hyde Park and Bouldin Creek to newer developments around the Domain and Mueller. We also cover the surrounding communities, including Lennox service in Cedar Park, Lennox service in Buda, plus San Marcos, Manor, and Jollyville. If you’re not sure whether we cover your neighborhood, call us and we’ll tell you straight.
Book Your Lennox Service in Austin Today
Your Lennox system was built to deliver clean, cool air. If it’s not doing that, the problem is usually inside the ducts. Call (940) 283-6595 and we’ll schedule a free estimate, send you a live trackable arrival time, and hand you a written price before any work starts. Clean air isn’t a luxury, it’s just what your system was built to deliver.
Written by Omar Haddad, Owner at Cardinal Air Duct Austin, serving Austin and the surrounding communities since 2005.