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 Houston, TX | Mortons Air Duct Houston
We’re an independent Lennox Air Duct Cleaning - Houston provider serving homeowners across the area, and we quote a flat price before a single panel comes off. What makes our Lennox work different here is simple: Houston’s humidity punishes duct systems in ways drier cities never see, and after nearly two decades of cleaning Lennox flex duct in slab-on-grade homes from Katy to the Heights, we know exactly where those systems fail. Call (940) 314-5008 and Paul Adeyemi will walk you through what your Lennox system likely needs before we ever schedule the truck.
Key Takeaways
- Independent Lennox duct cleaning across Houston – not manufacturer-affiliated, which means honest repair-vs-replace advice.
- Written price before work starts, every time, backed by the 365-Day Done Right Promise.
- We clean, seal, and repair Lennox flex duct, evaporator coils, and return plenums in Houston’s humidity.
- Free estimates – call (940) 314-5008 and a live person answers.
Why Houston Residents Choose Us for Lennox Service
Paul grew up in Los Angeles and picked up his trade knowledge at Los Angeles Trade-Technical College before spending the better part of two decades cleaning and inspecting duct systems across Houston. He and his crew have worked in homes throughout the Heights – older houses where the ductwork hasn’t been touched in twenty years and the registers are painted over four times – and that careful, unhurried work is what Paul is known for. He quotes a flat price before a single panel comes off, and he doesn’t move to the next vent until the previous one is done right.
Our techs work exclusively on Lennox duct systems day in and day out. Same model families, same install patterns, same Houston attic heat. That repetition means we spot recurring problems before they become full failures. We stock OEM-compatible transitions and flex duct for common Lennox Elite, Merit, and Signature configurations, so we don’t have to leave a job half-finished while parts ship from Dallas. And because we’re local to Houston, not a national call center, the person who answers the phone at (940) 314-5008 is usually the same person who planned your clean. For broader context on our Houston service area, we cover everything from inner-loop bungalows to far-west suburbs.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in Houston
- Variable-speed air handlers that won’t ramp down properly in Houston’s high static pressure. Elite and Signature Lennox blowers accumulate heavy dust on the blower wheel and evaporator fins when static pressure runs high. We find this constantly in two-story homes where returns were undersized at construction. The fix includes blower cleaning and a coil treatment, not just a duct vacuum.
- iComfort zoning dampers leaking at the actuator collars. When those collars lose their seal, attic air gets pulled into supply ducts. Houston attics are full of insulation fiber and dust, so those flex runs fill up fast. Duct sealing during a full cleaning stops the leak at the source.
- X6672 and X6673 media filter cabinets with bypass air. If the cabinet wasn’t installed with a perfect seal, pollen and construction dust carry right into return ducts. We regularly find thick debris mats on the return side of these cabinets, even when the filter itself looks clean.
- 1990s Lennox flex duct crumbling at the inner liner. Houston attic heat and humidity rot the adhesive holding flex duct liners together. We open up systems where the inner liner has torn away entirely, leaving insulation exposed to the airstream. Those sections need replacement, not patching.
- Drywall dust blanketing entire systems after remodels. In neighborhoods like Katy and Sugar Land, contractors rarely seal off returns during drywall work. The result is a fine white coat on every surface of the duct system, reducing airflow and recirculating dust for years. See our full range of Lennox sales & service work to understand what a complete clean involves.
Lennox Service in Houston: What Local Conditions Mean for Your Equipment
Here’s what Houston’s growth means for Lennox owners specifically. Many flex duct systems in neighborhoods like Katy and the Energy Corridor were never sealed to the plenum correctly at construction. Builders moved fast during the 1990s and 2000s boom, and duct sealing was often the first corner cut. We’ve measured return-air temperature drops of up to 5°F in those specific tracts after sealing the plenum with mastic and cleaning the coils. That’s not a fix you need in cities with less sprawl and fewer attic installs. Houston’s combination of fast construction, slab-on-grade foundations, and attic-mounted Lennox air handlers creates a failure pattern we see over and over, and it’s one we can correct rather than just clean around.
Lennox Models & Products We Service in Houston
We work on the full Lennox lineup across Houston homes: the Elite Series including EL296V furnaces and XC/XP air conditioners, the Signature Series variable-capacity XC25 and XP25 units, and the Merit Series ML180 furnaces with 13ACX condensers. We also service Dave Lennox Signature Collection systems with iComfort zoning. Our parts approach is simple: we quote OEM Lennox pieces like exact-fit fiberboard transitions and replacement flex duct only when aftermarket would change airflow or efficiency. For duct sealing, mastic, insulation, and coil treatment, we use commercial-grade non-OEM products that match or beat Lennox performance for less money. In Houston’s damp air, we recommend replacing flex runs that are more than 40% deteriorated rather than patching – mold and leaks come back too fast in this climate.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Houston
Whole-system Lennox air duct cleaning in Houston typically runs $450 to $750 for a standard single-family home, depending on the number of returns, the accessibility of the attic, and whether you need coil treatment or duct sealing. Adding evaporator coil cleaning usually brings the total to $600 to $950. Flex duct repair or replacement is quoted per run, typically $85 to $160 per section depending on diameter and length. A full video inspection runs $95 to $150 and shows you exactly what’s inside your ducts before and after. Every quote is written and flat before we start – no per-vent pricing, no surprise add-ons. Call (940) 314-5008 for a free estimate and Paul will tell you what he sees, what it’ll take, and what it’ll cost before he touches a thing.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston 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 Houston
Because Houston’s summer humidity condenses inside ducts that weren’t sealed properly, and a standard vacuum-only cleaning never addresses the leak or the coil. The musty smell usually comes from mold growing on the evaporator coil or inside flex duct where condensation sits. Our cleaning includes coil treatment and duct sealing so moisture stops accumulating in the first place. Call (940) 314-5008 for an inspection.
Every 3 to 5 years for cleaning, but an inspection is worth doing annually if your attic gets above 130°F in summer, which most Houston attics do. Flex duct from the 1990s breaks down faster than rigid metal, so checking for liner deterioration and plenum seal failure once a year catches small problems before they become full replacements.
Yes. iComfort zoning dampers have actuator collars that leak when they’re disturbed, so we approach those systems carefully to avoid pulling attic air into your supply ducts mid-clean. We clean around the dampers first, then check each collar for air bypass and seal as needed. It’s slower work, but it’s the only way to clean a zoned Lennox system in Houston without making the dust problem worse.
Yes, indirectly. A clogged condenser coil forces your Lennox system to run longer, which pulls more air through the ductwork and deposits more debris on the blower wheel and evaporator coil. If your ducts are already marginal, that extra runtime accelerates buildup. We recommend cleaning the condenser and the ducts in the same visit whenever possible. Call (940) 314-5008 to bundle the work.
Elite and Signature systems use variable-speed blowers that ramp up gradually, so they can hide airflow restrictions longer. Merit systems have single-speed blowers that show problems faster through noise or temperature swings. Elite systems also tend to have more complex filter cabinets, which means more bypass air points to seal. Either way, we quote a flat price before we start, and the 365-Day Done Right Promise means if something’s not right, we make it right.
Service Areas Near Houston
We serve Houston proper along with The Woodlands, Sugar Land, Richmond, Tomball, and Pasadena. If you’re in Lennox service in The Woodlands or Lennox service in Sugar Land, we bring the same written-price-before-start policy and the same Lennox-specific expertise to your door.
Book Your Lennox Service in Houston Today
One call gets you a live person, a straight answer, and a written price before any work begins. Reach Paul and the crew at (940) 314-5008 for your free estimate, or to ask what we’d check first on your Lennox system. We’ll work around your schedule, your kids, and your pets – and we’ll leave the house cleaner than we found it.
Written by Paul Adeyemi, Owner at Mortons Air Duct Houston, serving Houston since 2005.