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 Reseda Homeowners Choose Lennox Air Duct Cleaning
Air Duct Cleaning Reseda provides independent Lennox repair in Reseda, including air duct cleaning, sealing, and coil service throughout Reseda, CA. We’re not a Lennox dealer or authorized warranty provider, and we don’t pretend to be. What we are is a duct-focused shop that has opened, cleaned, and sealed hundreds of Lennox air handlers and their connected duct runs across the San Fernando Valley, so we know exactly where these systems fail in Reseda’s heat and dust. Call (855) 353-1653 for a straight answer about your Lennox system before you spend a dollar.

Reseda’s air-duct work is shaped by the San Fernando Valley’s dual assault of dust and heat. Homes here sit downwind of the Sepulveda Basin’s seasonal dry-wind dust and pollen, while summer temperatures routinely spike past 100°F. That means duct systems cycle huge volumes of hot, dust-laden air and residents run the AC nearly year-round, making duct buildup and filter loading uniquely heavy for a Valley address. Lennox systems are well-built, but they are not immune to that kind of punishment. The air handler cabinet, the return plenum, the flex runs, the evaporator coil – every joint and seal sees more stress in Reseda than it would in a coastal ZIP code.
Why Trust Air Duct Cleaning Reseda for Your Lennox Air Duct Cleaning?
Because we have done this exact work in Reseda’s postwar tract homes more times than we can count. Ray Lambert grew up two blocks from Reseda Park and has spent his adult life working on the HVAC systems of the same San Fernando Valley neighborhoods he was raised in. He studied HVAC technology at Los Angeles Pierce College in Woodland Hills before narrowing his focus to duct cleaning and indoor air quality, and he has run negative-pressure systems through everything from small ranch houses off Reseda Boulevard to newer builds near the 101. We reference Ray’s name here because he’s the person who shows up with the Rotobrush and the Nikro HEPA vacuum, and he’s the one who will tell you whether your Lennox cabinet gasket actually needs replacing or if it just needs cleaning and re-seating.
We also carry the right equipment for the job. Rotobrush rotary brush systems dislodge compacted debris inside duct runs. Nikro HEPA-filtered vacuums and air-washing equipment capture what the brush knocks loose, and Abatement Technologies containment equipment keeps that captured material from drifting back into your living room. That containment step matters as much as the cleaning itself, particularly on Lennox variable-speed systems where fine dust can work its way into the blower assembly and coil fins. If you want a Lennox duct cleaning that actually addresses where the dust collected and how it got there, we are the shop that has the tools and the patience to do it right.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Fix in Reseda
- Cabinet gasket and seam leaks on Lennox air handlers (CBA/CBX series). The gaskets on Lennox air handler cabinets dry out and crack in Reseda’s attic heat, especially on unvented, sun-blasted roof decks. When the cabinet doesn’t seal, conditioned air leaks into the attic instead of reaching your registers. We clean the cabinet, replace the gasket, and seal the seams with mastic.
- Sagging, disconnected, or torn flex duct at the Lennox supply plenum collar. Reseda’s older ranch homes often have attic ducts running low and long against hot roof decking. Summer thermal expansion and dry heat cause tape and mastic seals to fail, and flex runs sag or tear at the collar. That shows up as weak airflow in back bedrooms and a hot-air smell right as the first big heat wave hits.
- Evaporator coils and drain pans fouled by dust bypassing a poorly sealed Lennox filter cabinet. If the filter rack doesn’t seal, dust slips around the filter and packs onto the coil and into the drain pan. The result is musty odors, reduced capacity, and occasionally a clogged condensate line. A coil cleaning alone won’t solve it; the filter cabinet seal has to be corrected too.
- Return air chases pulling from unconditioned spaces. Reseda’s 1950s and 1960s tract homes often have return plenums that were never mastic-sealed. The return pulls air from the attic, the wall cavity, or the crawlspace. That unfiltered air goes straight across your Lennox evaporator coil, which means more dust on the coil, more dust in your house, and a higher cooling load for the same thermostat setting.
- Filter loading that outperforms the filter’s capacity. With the Sepulveda Basin dust and the near year-round AC run, Lennox HC13 and HC16 media filters in Reseda load up faster than the manufacturer’s nominal change interval. When the filter saturates, the pressure drop climbs, and a variable-speed Lennox blower ramps up to compensate. That raises energy use and shortens blower motor life. We check filter condition as part of every Lennox duct cleaning.
Lennox Parts & Our Repair-vs-Replace Approach
For critical components on Lennox systems, we use OEM parts. Cabinet gaskets, filter racks, and drain pans are engineered to fit specific Lennox models, and an aftermarket part that doesn’t seat correctly just recreates the leak you paid us to fix. For flex duct, mastic, and insulation, we use aftermarket materials that meet or exceed OEM specs, because those materials are commodity goods where the install quality matters more than the brand stamped on the box. That split approach lets us keep turnaround fast on most Lennox repairs without cutting corners where the fit is tight.
If your Lennox air handler or coil is badly corroded or leaking refrigerant, we won’t push you into a new system. We’ll walk you through what the repair would cost, what a replacement would cost, and what we’d do if it were our house. That honesty is part of why Reseda homeowners call us back. Call (855) 353-1653 and we’ll give you the same straight read over the phone before we ever schedule a truck.
Our Lennox Service Process – Step by Step
- 1
Diagnosis. We inspect the entire duct system, not just the registers. We check cabinet gaskets on the Lennox air handler, the filter rack seal, plenum collars, flex run condition, and coil condition. We look for the actual source of dust, odor, or poor airflow, and we tell you what we found before we touch anything.
- 2
Cleaning. We run the Rotobrush through the supply and return runs, then pull a continuous negative pressure with the Nikro HEPA vacuum. Abatement Technologies containment keeps the removed particulate out of the living space, including the fine dust that hides in Lennox variable-speed blower assemblies and coil fins.
- 3
Repair or replacement. If the diagnosis found torn gaskets, separated plenum collars, or crushed flex, that gets fixed during the same visit. We use OEM Lennox parts where fit matters, quality aftermarket duct material where it doesn’t.
- 4
Testing. After cleaning and any repairs, we check static pressure and airflow at the registers. We want to see real numbers change, not just a cleaner-looking vent.
- 5
Clear documentation. You get a plain-language run-down of what we did, what we replaced, and what you should watch for next season. We want you to know what you’re paying for.
See the difference
Before
After
Before
After
Before
AfterLennox Products We Service & Install in Reseda
We work across the Lennox lineup. Merit Series units (14ACX and ML14XC1 condensers with matching air handlers) are common in Reseda’s postwar ranch homes because they’re affordable workhorses. Elite Series equipment (XC21 and EL16XC1) shows up in mid-century remodels and newer builds. Dave Lennox Signature Collection systems (XC25 and XC21 variable-capacity units) require a different cleaning and sealing approach because their blowers ramp through a wide range and reveal duct leakage differently. We also handle Lennox in Winnetka and surrounding Valley communities with the same expertise. We also service Lennox Healthy Climate Solutions components, including HC16 and HC13 media filter cabinets and UV systems, which often need filter rack sealing as much as the filter itself needs changing. If you have a Lennox air handler sitting in a Reseda attic, we’ve almost certainly been inside one like it.
We Also Service These Brands
We’re not Lennox-exclusive. Our crews work on Trane and Carrier duct systems with the same equipment and the same diagnostic rigor. The tools don’t care what badge is on the air handler. If you have multiple brands across a property portfolio or you’re comparing quotes for a home with a Trane air handler and a Lennox coil, we can handle both without switching contractors.
FAQs – Lennox Air Duct Cleaning Service in Reseda
Duct cleaning alone won’t fix a leaky filter cabinet, but our service includes sealing it properly. On Lennox CBA and CBX air handlers, the filter rack gasket is a known failure point in Reseda attics, and when it fails, dust bypasses the filter entirely and lands directly on the evaporator coil. We replace the gasket, mastic-seal the rack, and then clean the coil and ducts so you’re starting from a sealed, clean baseline.
Yes. Variable-speed blowers, like those in the Lennox XC25 and XC21 Signature Collection, run longer at lower speeds, which means finer dust settles deeper in the duct runs and on coil faces. They also respond to duct leakage differently than single-stage blowers, ramping up to overcome pressure losses. We clean these systems with HEPA-filtered negative pressure and rotary agitation, and we pay extra attention to the blower assembly and coil fins, because that’s where the fine particulate concentrates.
We remove the access panel, inspect the coil, and clean it with equipment designed for the task, not a spray-and-wipe approach. On Lennox systems in Reseda, coil fouling usually starts with dust bypassing a failed filter cabinet seal, so we address that seal as part of the coil cleaning. A clean coil transfers heat; a dirty one insulates it. That difference shows up in cooling capacity and energy bills, and it’s one of the most repeatable findings we see on Lennox systems that haven’t been serviced in years. Call (855) 353-1653 for an honest assessment of your coil condition.
Yes, and we do it regularly. Reseda’s older ranch homes often have attic ducts running low and long against hot roof decking, and those runs tear at the plenum collar when summer thermal expansion does its work. We replace the damaged flex with proper R-value material, seal the collar with mastic, and re-balance airflow to the affected rooms. This is not a cleaning add-on; it’s a repair the system may need before the cleaning has any lasting effect.
The symptoms are dustier rooms than you’d expect, musty or stale air when the system runs, and rooms that never quite reach the thermostat setpoint. On Lennox systems in Reseda, return leaks often trace back to plenums that were never mastic-sealed and chases that pull from the attic or wall cavity. Our Lennox repair in North Hills covers the same postwar housing stock with identical failure patterns. We diagnose return leaks during our normal inspection, and we seal them as part of the repair scope, not as a surprise add-on after the fact.
For a whole-system Lennox duct cleaning in Reseda, you’re typically looking at $450 to $850 depending on system size, accessibility, and whether any seal repairs or flex replacement are needed. Systems that haven’t been touched in a decade and need cabinet gasket replacement, plenum sealing, or coil cleaning land at the higher end. We quote one flat price per system before work starts, not a per-vent figure that balloons once the van shows up. Call (855) 353-1653 for an exact quote – estimates are free.
Book Your Lennox Service in Reseda, CA
If your Lennox system has been running through Reseda dust storms, Santa Ana winds, and 100°F summers, schedule a duct inspection and cleaning. We also offer Lennox repair in North Hills West for homeowners just east of Reseda dealing with the same Valley conditions. Call (855) 353-1653 for a free estimate, and we’ll give you the same straight read Ray Lambert has been giving Valley homeowners for years. Clean ducts aren’t glamorous – but neither is breathing around what’s been sitting in them for a decade.
Written by Ray Lambert, Owner at Air Duct Cleaning Reseda, serving Reseda since 2011.