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.
Why Houston Homeowners Choose Lennox Air Duct Cleaning
We’re an independent Lennox repair in Houston provider serving the surrounding suburbs, and we clean the ductwork, coils, and blowers on every major Lennox line: Signature, Elite, and Merit. What separates our Lennox work is how specific it gets. We know the variable-speed blower on a Signature XC25 behaves differently than the fixed-speed motor in a builder-grade Merit ML180, and we clean accordingly. Mortons Air Duct Houston is not affiliated with or authorized by Lennox. We’re an independent company that chose to build deep familiarity with this brand because so many Houston homes run it. Call (940) 314-5008 for a written quote before any work begins.
Why Trust Mortons Air Duct Houston for Your Lennox Air Duct Cleaning?
Paul Adeyemi 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. That kind of careful, unhurried work is what Paul is known for. When it comes to Lennox equipment specifically, our technicians understand what each series demands. A Signature SLP98V furnace paired with an XC25 air conditioner represents a real investment, and its variable-speed blower moves air differently than a single-stage Merit 13ACX. We clean the blower wheel, the evaporator coil, and the supply runs with that difference in mind. We quote a flat price before a single panel comes off, and we don’t move to the next vent until the previous one is done right. Paul is usually the one answering the phone, because he’d rather explain what he found in your system himself than have it passed along second-hand. As he puts it, “I’ll tell you what I see, what it’ll take, and what it’ll cost, before I touch a thing.”
Styles & brands we work with
Common Lennox Air Duct Cleaning Problems We Fix in Houston
- Dust-packed variable-speed blower wheels on Signature and Elite systems. The XC25 and EL296V use electronically commutated motors that spin blower wheels at precise RPMs. When Houston’s fine dust coats those curved blades unevenly, the wheel goes out of balance. You’ll hear a low rumble or a whine that changes pitch. Left alone, that imbalance wears the motor bearings prematurely. We pull the blower assembly, clean each blade by hand, and verify balance before reinstalling.
- Clogged evaporator coils in Merit series systems running high-MERV filters. The 13ACX and ML180 are budget-friendly workhorses, but their coils sit close to the filter rack. Homeowners who install MERV 11 or MERV 13 filters without monitoring static pressure often end up with a coil caked in a gray paste of Houston humidity and dust. That coating insulates the coil, cuts cooling capacity, and forces the compressor to run longer. We clean coils with professional-grade products from Abatement Technologies and Guardsman.
- Duct leakage at plenum connections on attic-installed horizontal units. Houston homes built since the 1980s usually put the air handler in the attic, lying on its side. The plenum connections where the supply ducting meets the unit take a beating from attic heat, which in Houston can exceed 130 degrees in August. Tape dries, mastic cracks, and the system starts pulling attic air directly into your supply runs. We inspect every plenum connection with a video scope and seal leaks with mastic before cleaning the ducts themselves.
- Condenser coil fouling from Houston pollen and construction debris. Even though the condenser sits outside, its cleanliness affects the whole system. Oak pollen in spring, pine pollen in late winter, and the dust cloud from a neighbor’s remodel all settle into the coil fins. A fouled condenser coil drives up head pressure and makes the compressor work harder than it should. During a duct cleaning visit, we inspect the condenser coil and flag it if it needs attention.
- Return duct seams pulling attic air in older Houston homes. In inner-loop bungalows and 1970s-1980s suburban houses alike, return ducts often run through unconditioned space. The seams on older metal or flex return runs can open up, and suddenly your Lennox system is pulling 140-degree attic air instead of conditioned house air. That’s why you’ll feel weak airflow at the supply registers even with a clean filter. We pressurize return runs with a duct blaster and seal every seam that shows leakage.
Our crew arrived at a Bellaire home after the homeowner noticed weak airflow and higher bills on their Lennox XC25 Signature Series system. Video inspection revealed supply ducts packed with years of Houston dust and a return duct seam pulling air from the attic. We sealed the return with mastic, cleaned all supply runs, and cleaned the evaporator coil. Afterward, static pressure dropped back into factory range and the variable-speed blower quieted down.
Lennox Parts & Our Repair-vs-Replace Approach
When airflow or combustion safety is affected, we use OEM Lennox coils, blowers, and heat exchangers. Those components matter, and Lennox designs them to tight tolerances. For ducting, flex runs, and sealants, we select high-quality aftermarket parts that meet or exceed OEM specifications, often from brands like Rotobrush and Nikro for cleaning tools and AprilAire or Honeywell for filtration components. We stock common sealants, mastic, flex duct, and fittings locally so a typical duct sealing or supply run replacement doesn’t wait on a shipped part. When we find ductwork that’s just dirty, we clean it. When we find rust perforation or collapsed flex, we recommend replacement because cleaning can’t fix structural failure. When the ductwork is sound but leaking, we seal it. The decision is always explained with photos, and the price is always given before work begins. Call (940) 314-5008 and we’ll walk you through what we find.
Our Lennox Service Process – Step by Step
- 1
Diagnosis. We inspect the entire system with a video scope, starting at the return grille and working through the return duct, the air handler cabinet, the evaporator coil, the blower assembly, and every supply run we can access. We document everything with photos. You see what we see.
- 2
Cleaning and repair. We clean the supply ducts, return ducts, evaporator coil, and blower wheel using professional equipment from Rotobrush and Nikro. If we find leaks at plenum connections or return seams, we seal them with mastic. If a flex run is collapsed or rusted through, we quote replacement before touching it.
- 3
Testing. After cleaning and sealing, we take static pressure readings and compare them to the factory spec for your specific Lennox series. We check temperature differentials across the coil. We verify the variable-speed blower on Signature and Elite systems is ramp-up smooth and quiet.
- 4
Warranty. Every job is backed by our 365-Day Done Right Promise. If something wasn’t done right, we make it right. Full stop. That promise is stamped on every job, not just offered when you ask.
See the difference
Before
After
Before
After
Before
AfterLennox Products We Service & Install in Houston
We service the full Lennox range across Houston and Lennox service in Sugar Land: the Dave Lennox Signature Collection, including the XC25 air conditioner and SLP98V variable-capacity furnace; the Elite Series, including the XC16 air conditioner and EL296V two-stage furnace; and the Merit Series, including the 13ACX air conditioner and ML180 furnace. We also clean and inspect the evaporator coils and blower assemblies on Lennox air handlers regardless of series. We stock common duct fittings, sealants, mastic, and flex duct locally so most jobs are completed the same day. Whether your Lennox system is a top-of-the-line Signature model or a builder-grade Merit, our process is the same: inspect, document, quote, then clean with written pricing before any work starts.
We Also Service These Brands
While Lennox systems are a large part of what we see in Houston, we also clean and service Trane and Carrier ductwork and equipment. Houston’s housing stock includes every major brand, and our crews work on all of them. If your home has a mixed system, call us anyway. We’ll tell you exactly what you have and what it needs.
FAQs – Lennox Air Duct Cleaning Service in Houston
No. We are an independent Lennox service provider in Houston, not an authorized dealer or warranty station. That means we make repair and cleaning decisions based on what’s right for your system and your budget, not what a manufacturer program requires. If your system is under warranty, we can still clean it without affecting that warranty. Call (940) 314-5008 if you want to talk through your specific situation.
Yes, for coils, blowers, and heat exchangers, we use OEM Lennox parts because those components affect airflow and combustion safety, and aftermarket versions rarely match the original tolerances. For ducting, flex runs, sealants, and cleaning equipment, we use high-quality aftermarket parts that meet or exceed OEM specs. That keeps your cost reasonable without compromising the work.
No. Duct cleaning does not affect the iComfort thermostat’s programming. Your settings, schedules, and Wi-Fi connection all stay as they were. The only thing that changes is the amount of air moving through clean ducts. If you have a Signature system with the iComfort S30 or E30, we’ll run the system through its full ramp-up after cleaning to confirm the blower responds correctly at every speed.
Because the ducts were cleaned, but the coil and blower weren’t. In Houston, the 13ACX runs long cooling cycles through most of the year, and dust that passes through the filter collects on the evaporator coil and the blower wheel. When the fan kicks on, some of that accumulated dust breaks loose and comes through the registers. A proper Lennox Air Duct Cleaning in The Woodlands, TX and Houston includes the supply ducts, return ducts, evaporator coil, and blower wheel, all in the same visit. If yours was cleaned recently and still blows dust, call (940) 314-5008 and we’ll inspect what was missed.
Yes. The EL296V’s variable-speed blower is an electronically commutated motor, and cleaning it requires removing the blower assembly, which is part of our standard duct cleaning process. We clean the wheel blade by blade, verify balance, and confirm the motor ramps through all its speeds smoothly before we finish. We don’t use solvents or compressed air that could force debris into the motor windings.
Every 3 to 5 years, depending on your household. Houston’s humidity means the XC25 runs nearly year-round, and if you have pets, kids, or do remodeling, that timeline shortens. The variable-speed blower on the XC25 runs at low speed for long stretches, which means more air passes over the coil and through the ducts over time. If you notice dust on registers, a musty smell when the system starts, or higher bills without more usage, call (940) 314-5008 for a free estimate. We’ll quote a flat price before any work begins.
Yes. A new air handler connected to dirty ducts will pull years of accumulated dust, pet dander, and Houston construction debris right back into the new coil and blower. Many HVAC companies don’t offer duct cleaning, so they replace the equipment and leave the old ducts in place. We clean the supply and return ducts, evaporator coil, and blower wheel on new installations with our Air Duct Cleaning services, so your new Lennox equipment starts with clean airflow.
Whole-system Lennox air duct cleaning in Houston typically runs between $450 and $900 for a standard single-family home, depending on the number of supply runs, the amount of buildup, and whether coil and blower cleaning are included. We provide a written price before any work starts, based on what we actually see during inspection. That price is the price. Call (940) 314-5008 for a free estimate on your specific home.
Book Your Lennox Service in Houston, TX
Call (940) 314-5008 and tell us what you’re seeing, hearing, or smelling from your Lennox system. We’ll schedule a time, show up on time in uniform with shoe covers and drop cloths, inspect everything with a video scope, and give you a written price before any work begins. Then we’ll clean it right, take photos of the clean-up before we leave, and back it all with our 365-Day Done Right Promise.
Written by Paul Adeyemi, Owner at Mortons Air Duct Houston, serving Houston since 2005.