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 Riverside Homeowners Choose Lennox Air Duct Cleaning
Lennox Air Duct Cleaning services in Riverside typically runs between $450 and $900 for a whole-home system, and Morton’s Air Duct Riverside provides independent Lennox-specific service that goes well beyond what a standard duct-cleaning crew offers. We know Lennox equipment from the inside out, so we clean and seal the ductwork with an eye toward the actual Lennox unit attached to it, whether that’s a Signature variable-speed air conditioner or an older G40 furnace. The difference is in the details: we treat your duct system as part of your Lennox equipment, not as a separate afterthought.
We are an independent service provider. We are not affiliated with or authorized by Lennox. That matters for you, because we have no reason to sell you anything except what your system actually needs. Our technicians work on Lennox in Riverside daily, from the historic Wood Streets to Mission Grove and newer developments near Canyon Crest. If you’re looking for a crew that understands how Riverside’s dust, hard water, and attic heat specifically interact with Lennox designs, call us at (350) 240-5513.
Why Trust Mortons Air Duct Riverside for Your Lennox Air Duct Cleaning?
Paul Adeyemi, our owner, picked up his trade fundamentals at Los Angeles Trade-Technical College and has spent the better part of two decades with his hands inside ductwork across Southern California. He and our crew have been serving Riverside for years, and they’ve seen nearly every Lennox configuration this city’s housing stock can throw at them, from original metal ducts in 1920s bungalows to poorly supported flex runs in mid-century ranch homes.
Our technicians understand that a Lennox variable-speed blower pushes more air through the ducts than a single-stage motor. They know that a Lennox PureAir S media cabinet creates high return-side resistance. They know that older Lennox Merit and Elite evaporator coils are tightly finned and clog fast with Riverside’s fine dust. That’s not generic knowledge. It’s the kind of brand-specific expertise that changes how a duct cleaning job gets done. We use professional-grade equipment from Rotobrush and Nikro, and we install OEM Lennox filters and fittings where performance or fit is critical. As part of the Cedarwell family of independently owned companies, every job carries the Cedarwell Care Promise, and every visit includes shoe covers, drop cloths, and a written price before we start. There’s no guesswork, and there’s no surprise invoice at the end.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Fix in Riverside
Lennox equipment is genuinely good. But every brand has failure patterns, and Riverside’s climate tends to accelerate them. Here are the specific issues we see most often with Lennox systems in this area.
- Clogged evaporator coils on Lennox XC21, XC25, and Elite models. The fins on these coils are packed tightly to improve efficiency, but that also means Riverside dust and pet hair collect faster. Once the coil clogs, static pressure climbs and the ECM blower starts short-cycling at higher amperage. That wears out the motor module years before it should. We clean the coil and the duct runs feeding it, then test static pressure to confirm the fix.
- Dust and insulation pulled into the airstream by Signature SL280 and XP25 variable-speed blowers. Variable-speed units move more air, especially in summer. If you have pinhole leaks in return ducts or collapsing flex runs, that extra pull drags attic insulation into the airstream. From there it coats the coil, the blower wheel, and the heat exchanger. We seal the leaks with commercial-grade mastic and UL 181 tape, then clear the contaminated runs with Rotobrush agitation.
- PureAir S and MERV 16 media cabinet bypass. These filtration systems are excellent at capturing particulates, but they create significant return-side resistance. If return ducts are undersized or dirty, the filter seals collapse under pressure, and dust bypasses the filter entirely. You’ll see visible debris collecting on supply registers even with a brand new filter. We clean the return side and verify that the filter seals are seated correctly.
- Burner contamination on older Lennox G40 and G60 80% furnaces. These units have open combustion, which means they draw air from wherever they sit, usually a utility closet or garage. Lint, drywall dust, and even dryer exhaust backdrafting through a return plenum gets pulled right onto the burners and heat exchanger. The result is rollout trips and a sulfur smell when the heat kicks on. The fix starts with cleaning the duct system that’s feeding, and sometimes contaminating, that furnace.
- Collapsed or disconnected flex duct on Merit series systems. The Merit line is built for value, and many Riverside homes have Merit systems paired with original flex duct that’s now 15 to 20 years old. In attic heat, the inner liner separates and collapses, or the duct pulls loose at the plenum connection. That’s a massive airflow loss. We reconnect, seal, and replace the sections that have failed, often with high-density flex that outperforms the original.
Lennox Parts & Our Repair-vs-Replace Approach
We take a straightforward approach to parts. Where performance or fit is critical, we install OEM Lennox parts: filters, coil panels, duct fittings. We don’t play games with cheap generic substitutes that look right but don’t seat properly. For sealing and insulation, we use commercial-grade mastic, UL 181 tape, and high-density flex that meets or beats OEM specifications at a better per-foot cost. That’s honest value, not a bait-and-switch.
When we find a failing blower module or heat exchanger on a Merit unit that’s 12 or more years old, we tell you the truth: replacement often makes more sense than a $900 repair on a unit near the end of its life. And whichever way you go, we can clean and seal the duct system so the new equipment isn’t fighting the same airflow problems that wore out the old one. Call (350) 240-5513 and we’ll walk you through what we find.
Our Lennox Service Process – Step by Step
1. Diagnosis. We measure static pressure across your Lennox system, inspect the coil, blower, filter cabinet, and supply and return runs. If your blower is overamping or your filter seals are collapsing, we find out why before we touch anything. Paul’s signature phrase applies here: we’ll tell you what we find, what it will take, and what it will cost, before anything gets touched.
2. Repair and cleaning. For duct sealing, we use mastic and UL 181 tape applied to clean, accessible surfaces. For cleaning, we run Rotobrush or Nikro agitation through the supply and return runs. For evaporator coil and blower cleaning on Lennox variable-speed units, we pull the assemblies when access allows and clean them properly, not just spray from the outside. Shoe covers and drop cloths go down before any equipment comes through the door.
3. Testing. After the work, we re-measure static pressure and airflow. On variable-speed Lennox systems, we look for a static pressure reading around 0.5 inches of water column. We check filter seals, register output, and verify the blower is no longer overamping. You see the before-and-after photos of your own ducts, and we leave a photo of the clean-up before the crew pulls away.
4. Follow-through. Every job is backed by the 365-Day Done Right Promise. If something isn’t right, we make it right. Full stop. That’s the Cedarwell Care Promise in action, and it applies to every Lennox system we service in Riverside.
See the difference
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After
Before
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Before
AfterLennox Products We Service & Install in Riverside
We service the full Lennox lineup that’s common in Riverside homes. That includes Signature Collection systems (XC, XP, and SL series), Elite Series equipment, Merit Series units like the ML and 14ACX, and Healthy Climate filtration and ventilation components including PureAir S. If you have an older Lennox G40, G50, or G60 furnace, we know those machines well and understand the duct-side issues that wear them out faster in Riverside’s climate. We stock OEM Lennox filters and common coil panel sizes locally for faster turnaround on the most frequent repairs, and we’ll clean and seal the duct system regardless of which Lennox line your home has.
We Also Service These Brands
While this page focuses on Lennox, we also provide Lennox service in Ontario and all major residential brands, including Trane and Carrier. Riverside homes have a mix of equipment, and you shouldn’t need a different crew for every system. Our techs bring the same diagnostic rigor and the same written-price promise to every brand we touch.
FAQs – Lennox Air Duct Cleaning Service in Riverside
No. We are an independent Lennox service provider, not an authorized dealer or warranty contractor. That independence means we recommend only what your system actually needs, and we never feel pressure to follow a manufacturer’s replacement playbook. Our recommendations come from what we find in your ducts and on your equipment, not from a corporate policy.
Yes, where performance or fit is critical. We install OEM Lennox filters, coil panels, and duct fittings. For sealing and insulation, we use commercial-grade mastic, UL 181 tape, and high-density flex that meets or exceeds Lennox specs at a better per-foot cost. We’ll tell you which part is which and why we made that choice before we install anything.
Most whole-home Lennox duct cleaning and sealing jobs in Riverside take between four and seven hours, depending on the size of the home and the condition of the ductwork. Homes with badly degraded flex runs or significant return leaks take longer because we seal and replace those sections rather than cleaning over a structural problem. We’ll give you a time estimate with your written price before any work starts.
We cover the Signature Collection (XC, XP, SL), Elite Series, Merit Series including ML and 14ACX, and the Healthy Climate line including PureAir S filtration. That includes older G40, G50, and G60 furnaces that are still common in Riverside’s older housing stock. If you’re unsure what you have, our tech can identify the unit and the duct issues specific to that model during the diagnosis.
No. Cleaning the duct system and sealing leaks in the ductwork does not void a Lennox equipment warranty. Lennox warranties cover the equipment itself, not the ducts. What can shorten equipment life is leaving the ducts dirty and leaky, because a blocked coil or overamping blower puts stress on components that the warranty doesn’t cover after the labor allowance runs out. We work in a way that protects your equipment and your investment.
Lennox air duct cleaning in Riverside typically costs between $450 and $900 for a whole-home system, with larger homes or systems requiring coil cleaning and duct sealing landing at the higher end of that range. We provide a written price before any work starts, and that price includes shoe covers, drop cloths, and a photo of the clean-up before we leave. Call (350) 240-5513 for a free estimate on your specific system, or visit our air duct cleaning service page for more details.
Book Your Lennox Service in Riverside, CA
Ready for a Lennox system cleaning that actually accounts for your equipment and your home? Call (350) 240-5513 for a free estimate. A live person answers, and you’ll get a written price before any work starts. That’s how we do every Lennox job in Riverside.
Written by Paul Adeyemi, Owner at Morton’s Air Duct Riverside, serving Riverside since 2005.