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 Schertz, TX | Mortons Air Duct San Antonio
Our Air Duct Cleaning - Schertz for Lennox systems typically runs $450 to $900 for a full single-system home, and Morton’s Air Duct San Antonio provides independent Lennox service across Schertz without being manufacturer-affiliated. What makes our Lennox work different here comes down to one thing: we know exactly how Balcones Escarpment limestone dust and humid attic heat work against Lennox duct designs in this specific city. If you own a Lennox system in Schertz and the air smells stale no matter how often you change the filter, call (903) 354-8393 and we’ll walk you through what’s actually happening before anyone rolls a truck.
Why Schertz Residents Choose Us for Lennox Service
We’ve opened up Lennox systems in Schertz subdivisions from Ashley Place to newer builds off Roy Richard Drive, and the dust signature here is unlike anything in San Antonio proper. That pale yellow talcum-fine layer inside the ductwork tells us the system is pulling from outside sources, and Paul Adeyemi has trained our crew to trace it methodically. Paul grew up in Los Angeles, picked up his HVAC and mechanical fundamentals at Los Angeles Trade-Technical College before landing in Texas, and several years of cleaning ducts across the San Antonio area taught him what to look for. He’s the kind of owner who walks every vent location with the homeowner before a single tool comes off the truck, so nobody gets surprised. We tell you exactly what we’re doing, and exactly what it costs – before we start. For Lennox owners in Schertz, that means a written price before work begins, techs who respect your floors, and a 365-Day Done Right Promise behind the whole job. We’re an independent service provider, not a Lennox authorized dealer, which means we answer to you, not to a manufacturer’s sales quota. We also handle Lennox sales & service across the broader region, so our familiarity with the equipment runs deep.
Styles & brands we work with
Common Lennox Air Duct Cleaning Problems We Solve in Schertz
Here’s what we actually find when we open Lennox ductwork in Schertz homes. If any of these sound familiar, we can help.
- Flex duct separated at the Lennox plenum connections. Schertz attics regularly hit 140°F in August. That heat softens duct mastic, and when the seal fails, the system starts sucking fine limestone dust and attic insulation straight into the airflow. We reattach, re-seal with fresh mastic, and reinforce the connection so it holds.
- Evaporator coil fouling on high-efficiency Lennox units. The EL18XPV and SL28XCV models run tight humidity control, but Schertz’s constant Gulf moisture means the coil can still cake with dust and debris. That reduces airflow, pushes musty odors through every vent, and makes the system work harder than it should. We clean coils as part of our duct work when needed.
- Return duct leaks causing negative pressure in two-story Lennox homes. When the return side leaks in a tight two-story build, the air handler pulls from wherever it can, which is usually the dusty attic. We find silverfish fragments, insulation fibers, and that signature yellow dust pulled into the air handler. Sealing the return duct fixes it at the source.
- Builder-grade Merit Series installs with undersized duct runs. In many Schertz starter subdivisions, the ML14XP1 and ML193 units were installed with duct runs sized to the minimum spec. During humid summers, condensation forms inside those ducts and mold follows. We inspect the whole run, not just the registers, and tell you honestly whether the fix is sealing, resizing, or a targeted repair.
- Musty odors persisting after filter changes. If you’ve swapped the filter twice and the smell is still there, the problem is almost never the filter. It’s the ductwork, the coil, or a disconnected return. We locate the source and show you the before-and-after photos so you can see what was in there.
Lennox Service in Schertz: What Local Conditions Mean for Your Equipment
Schertz sits directly downwind of the Balcones Escarpment’s limestone quarry operations, and that’s not a small detail for Lennox owners. Our techs routinely find a distinctive pale yellow, talcum-fine dust layered inside Lennox ductwork that is completely absent in nearby New Braunfels or Cibolo. The fine rock particles are small enough to pass through standard one-inch filters, especially the fiberglass ones many builders install, and they settle into the flex duct and around the evaporator coil. For a Lennox heat exchanger, that dust acts like a blanket, holding heat against the coil and reducing efficiency. In tightly-built, energy-efficient Schertz homes, it also means the system recirculates those particles more often. The fix isn’t just a more expensive filter; it’s sealing the duct runs so the dust never gets in, cleaning the coil, and adjusting the filtration to match the actual particle load. That’s the difference between routine duct cleaning and what Lennox systems in Schertz actually need. This is the part of the job most companies skip because it requires knowing what Schertz dust looks like and where it collects. We know both.
Lennox Models & Products We Service in Schertz
We work on the full Lennox residential line you’re likely to find in Schertz homes: builder-grade Merit Series units like the ML14XP1, ML17XP1, and ML193; Elite Series models like the EL18XPV and EL296V; and Signature Series equipment including the SL28XCV and SLP99V. For duct components like flex duct, registers, and insulation, we use quality aftermarket materials that meet or exceed original specs, because the original flex duct the builder installed is often the weak point. When a coil treatment or mastic sealant needs to match factory specification, we use OEM Lennox products. We never recommend replacing a whole Lennox system when a targeted duct repair, sealing job, or coil cleaning will solve the problem. That’s a judgment call based on what we see, not on what we’d like to sell.
See the difference
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After
Before
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Before
AfterLennox Service Pricing in Schertz
Air duct cleaning for a Lennox system in Schertz generally falls between $450 and $900 for the whole house, depending on square footage, number of returns, and how long it’s been since the last cleaning. We also offer our Dryer Vent Cleaning in Schertz if that’s on your list too. Evaporator coil cleaning, when we recommend it, adds to the job but we’ll tell you before we start and it’s always a separate line item, never a surprise. The estimate we give you is the price you pay, written down before the first tool comes off the truck. If you want a duct sealing or flex duct repair quote, we’ll measure the accessible ductwork and give you a number on the spot. For an exact quote on your Lennox system in Schertz, call (903) 354-8393. Estimates are free, and there’s no obligation.
Serving Schertz, TX - Our Local Coverage Area
We’re based in the Schertz 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 Schertz
Because the smell is coming from inside the ductwork or off the evaporator coil, not from the filter. In Schertz, the usual culprits are a disconnected flex duct return pulling attic air and limestone dust into the system, or a coil fouled by months of humid, dusty air. Changing the filter doesn’t touch either one. Call (903) 354-8393 and we’ll trace the source and show you what we find.
Most Schertz Lennox systems do well with duct cleaning every three to five years, but homes near the FM 3009 corridor or downwind of the quarry operations may need it more often. The tell is usually a fine yellow dust accumulating around supply registers within a few weeks of cleaning. If you’re seeing that, it’s time to talk. We’ll give you an honest interval based on what we find in your ducts, not a schedule that fits our calendar.
Yes. A separated flex duct connection at the Lennox plenum is a repair job, not a replacement job. We reattach the duct, seal it with fresh mastic, and reinforce the connection so it holds through the next Schertz summer. We only recommend replacing flex duct when it’s torn, crushed, or so far out of spec that repair doesn’t make sense.
That’s Balcones Escarpment limestone dust, and it’s a signature Schertz issue. The powder is fine enough to pass through most builder-grade filters, and it settles inside the ductwork and around your Lennox coil. If it’s showing up at the registers, it’s already throughout the system. Sealing the duct runs and improving filtration are the two moves that actually help.
We inspect the coil on every duct cleaning job, and if it’s fouled we’ll recommend coil cleaning as a separate line item. We won’t do it without your approval, and we’ll show you a photo of the coil before we start. A clean coil is the difference between a Lennox Signature Series system that performs as designed and one that struggles through a Schertz summer.
Service Areas Near Schertz
In addition to Schertz service area coverage, we serve Lennox owners across the I-35 corridor and nearby Hill Country communities. That includes San Antonio, Live Oak, Bulverde, and Helotes. We also offer Lennox service in Boerne for those west of the city, and Lennox service in San Antonio proper for homes throughout Bexar County.
Book Your Lennox Service in Schertz Today
If your Lennox system is moving dusty, musty air through a Schertz home, let’s get it handled. Call (903) 354-8393 for a free estimate, a straight answer about what’s actually going on, and a written price before anything starts. We’ll treat your home the way we’d want ours treated.
Written by Paul Adeyemi, Owner at Mortons Air Duct San Antonio, serving Schertz and the surrounding communities since 2005.