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 | Kestrel Air Duct Houston
We clean Lennox air duct systems throughout Houston with Air Duct Cleaning - Houston, and the work here is different from anywhere else in Texas. Houston’s humidity doesn’t just make your air conditioner run longer; it creates condensation inside ductwork that turns ordinary dust into something closer to paste. That sticky grime is exactly what our negative-air extraction and rotary brush systems are built to remove. If you own a Lennox system in Houston, call us at (254) 347-2738 and we’ll give you a written price before we touch a single vent.
Why Houston Residents Choose Us for Lennox Service
We’ve spent years working on Lennox duct systems across Houston’s tract homes and retrofitted bungalows, and we know where these systems fail in high-humidity environments. Dale Whitmore, who owns Kestrel Air Duct Houston, picked up his HVAC fundamentals at Los Angeles Trade-Technical College before Houston became his working home. Since then, he and our crew have pulled apart enough Lennox air handlers in attics from the Heights to the Galleria area to know exactly what we’re looking at before we start. We work from field experience and factory service manuals, not a manufacturer badge. That independence matters: we’re not here to sell you Lennox equipment. We’re here to make the Lennox equipment you already own breathe properly again.
And we back the work with something you can point to: the Kingswell Guarantee. Written price before work begins, a defined arrival window, a clean job site, and a 365-Day Done Right Promise in writing. That promise says if the work falls short within the guarantee period, we come back and make it right at no charge. No arguing, no fine print.
Styles & brands we work with
Common Lennox Air Duct Cleaning Problems We Solve in Houston
- Mold blooms in fiberglass duct liner from clogged evaporator coils. Lennox attic-installed coils like the CX35 or CHX35 overflow when the condensate drain clogs, and in Houston’s 70°F dew points, that water wicks straight into the fiberglass liner. Mold follows within weeks. We clean the coil, clear the drain, and HEPA-vacuum the contaminated liner.
- Flex duct inner liner tears at the plenum connection on Lennox air handlers. Models like the CBX32MV sit in attics that hit 140°F in August. The heat cycles cause the flex liner to peel away from the collar, which lets Gulf Coast pollen and construction silt bypass the filter and pack your supply branches. We reseal the collar with mastic and clean out what got through.
- Sticky gray slime coating blower wheels and heat exchanger fins. Older Houston bungalows often have undersized return ducts on retrofitted Lennox systems. The return pulls air through crawlspace cracks, and that air carries moisture, dirt, and whatever else lives down there. The result is a gray film on every surface air touches. This one shows up most in inner-loop homes with multiple AC retrofits.
- Rusted blower housing screws on Lennox G60 and G61 furnaces. Houston homes with pier-and-beam foundations and damp crawlspace return runs see this often. The screws rust, the housing gets pocked, and annual blower cleaning becomes a job that requires patience and the right tools. We handle it without stripping the old hardware.
- Sagging, mold-laden flex duct that cleaning can’t save. Some Lennox flex duct runs in Houston are 15-plus years old and saturated with mold. When that’s the case, we tell you straight: replacement is cheaper over five years than repeated cleanings. We never push replacement when a HEPA vacuum and sanitizer treatment will actually solve the problem.
Lennox Service in Houston: What Local Conditions Mean for Your Equipment
Here’s something you won’t read on a generic Lennox page: Houston’s Westbury and Meyerland neighborhoods sit on gumbo clay that swells when wet and shrinks when dry. That movement cracks slab foundations and shifts pier-and-beam homes just enough to break the mastic seals on ductwork. You won’t see this in Katy or The Woodlands. For Lennox owners, it means systems here commonly leak 20 to 30 percent of conditioned air into attics and crawlspaces. Humid outside air gets pulled into the returns. Cleaning alone won’t fix that; the seals have to be redone too. That’s why our quotes for Houston Lennox work often include resealing, not just cleaning. It’s not an upsell. It’s the actual problem.
Last August our crew pulled a Lennox CBX25UH air handler from a Westbury attic where the homeowner complained of musty air and weak airflow. We found the flex duct liner had peeled at the plenum collar, a classic Houston attic heat failure. A quarter-inch of sticky pollen-silt paste coated the blower wheel and evaporator fins. We resealed the collar with mastic, HEPA-vacuumed the supply branches, cleaned the coil and blower with an approved coil cleaner, and static pressure returned to factory spec. That’s what Houston does to a Lennox system, and that’s what we fix.
Lennox Models & Products We Service in Houston
We work on the full range of Lennox equipment common in Houston homes. That includes the Elite Series air handlers like the CBX25UH paired with flex duct runs in suburban tract homes, the Merit Series condensers and furnaces like the ML14XC1 and ML180 with ducted returns, the Signature Series like the SL280V and SLP99V often found with radiant barrier attic ductwork, and Lennox mini-splits like the MLA and MPB with short rigid metal supply ducts in sunrooms. For critical seals, coil panels, and blower wheels, we use OEM Lennox components to keep tight clearances and factory performance curves. For non-structural items like mastic, duct hangers, and access doors, we use premium aftermarket parts built to spec. You get the right part for the right job, without paying a markup on things that don’t matter.
Our Lennox sales & service expertise means we stock common OEM seals and coil panels locally, so Houston turnaround doesn’t stretch into weeks.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Houston
Most Lennox air duct cleaning jobs in Houston run between $450 and $850 for a full system, depending on home size, number of air handlers, and how much sealing work the ducts need. A coil cleaning alone runs $180 to $340. Flex duct repair or replacement is quoted per run. You’ll know your exact number before we begin, because that’s how the Kingswell Guarantee works. Written price first, then work. No per-vent pricing games, no door-step revisions. Call (254) 347-2738 for a free estimate and we’ll walk the system with you before quoting.
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
Your ducts are pulling moisture from the crawlspace. In Houston pier-and-beam homes, return ducts run through damp, humid space under the floor, and every crack or broken mastic seal lets that moisture into the airstream. The musty smell is mold or mildew growing on the wet dust inside your ducts, not in the filter. Cleaning the ducts helps, but sealing the return runs stops the smell from coming back. Call (254) 347-2738 and we’ll inspect the whole path, not just the vents.
Every two to three years. Houston’s live oaks drop pollen and fine debris nearly year-round, and combined with pet dander, that material packs into supply branches faster than in drier Texas cities. If your home has a Lennox system with flex duct and an attic air handler, the heat cycles bake that debris into the liner, making it harder to remove the longer you wait. We’ll give you an honest interval based on what we find, not a calendar.
Yes, in most Houston attic installs we can access the coil through the panel and clean it in place with an approved coil cleaner, a HEPA vacuum, and if needed, a light brush pass. If the coil is heavily impacted or mold has spread into the surrounding duct liner, we may need to do more. But our first approach is always the least invasive fix that actually works. We’ll show you photos of the coil before and after.
That’s condensation, and it’s a Houston signature problem. Attic air in summer holds enormous moisture, and when the air handler cabinet gets cold, water condenses on the outside just like a glass of iced tea. If the cabinet insulation is degraded or the unit is sweating excessively, that water drips onto ducts and soaks into insulation. We can address it by checking the cabinet insulation, drain pan slope, and duct connections. It’s a repair most homeowners don’t realize they need until the ceiling stains show up.
It could be several things, and Houston storms make all of them worse. Debris from the storm can get pulled into the return, a sagging flex duct can kink from wind-driven rain weight, or the filter can clog with storm dust. We start with a video inspection of the ducts and air handler rather than guessing. If it’s a blockage, we clean it out. If it’s a collapsed or disconnected run, we repair it. Call (254) 347-2738 and we’ll tell you what’s actually happening before any work begins.
Service Areas Near Houston
We serve Houston service area homes from Bellaire to Missouri City and out to Rosenberg. If you’re in Lennox service in Katy territory or closer to Lennox service in Pearland, we cover those communities too. Same written pricing, same Kingswell Guarantee.
Book Your Lennox Service in Houston Today
Clean ducts, straight price, no guesswork. That’s the way Dale Whitmore and the Kestrel Air Duct Houston crew work. Call (254) 347-2738 for a free estimate, and you’ll have a written price before we touch your system. We’re independent. We’re local. We answer the phone.
Written by Dale Whitmore, Owner at Kestrel Air Duct Houston, serving Houston since 2004.