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 Montclair, CA
We clean and repair Lennox ductwork across Montclair, and we’ll tell you plainly that we’re an independent shop, not a Lennox dealer. What makes our work different here is simple: Montclair’s mountain grit and year-round AC use punish Lennox systems in specific ways, and we’ve spent 11 years learning exactly where that dust settles and how to get it out. Call (833) 589-9571 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.

Why Montclair Residents Choose Us for Lennox Service
Most duct cleaners show up with a shop vac and a blower. We don’t work that way. Our crews run the Rotobrush contact-cleaning system, which scrubs duct walls with rotating brushes instead of just stirring dust around with air pressure, and Nikro HEPA negative-air machines that pull contaminants out the way abatement crews do. If we find a loose joint or a rusted section while we’re in there, we can fix it that same visit. Clean it, then fix it. That’s the whole idea.
Barry Walsh owns Duct Cleaning Pomona and grew up in the Pomona Valley, not far from the Fairplex fairgrounds. He trained in HVAC and mechanical systems at Mt. San Antonio College in Walnut, worked in the trade for over a decade before starting the company in 2015, and got into duct work after dealing with his own family’s allergy issues in a poorly maintained rental. He still pulls every register cover himself on a lot of Montclair jobs. “If I can’t tell you exactly what I found and why it matters, I haven’t done my job.”
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Solve in Montclair
- Gray mountain grit packed into return plenums. Santa Ana winds push fine debris from the San Gabriel Mountains into east-side Montclair tract homes, and the negative pressure from an oversized Lennox air handler pulls it straight into the return. We scrub the plenum walls clean, not just vacuum the floor of it.
- Matted Lennox evaporator coils from seven to eight months of AC runtime. Your cased coil sees heavy dust load every cooling season. When fins mat over, airflow drops and the system never quite keeps up on a 100-degree Montclair afternoon. We clean the coil as part of a full system cleaning, and then show you the before-and-after airflow numbers.
- Loose joints and seam gaps in original rigid metal ductwork. 1950s-to-1970s tract homes in Montclair often still have their original metal ducts, and those seams loosen over the decades. The gaps pull in dust and leak conditioned air into the attic. We seal them with mastic and inspect every transition, not just the visible runs.
- Sagging or kinked Lennox flex duct from later retrofits. Flex runs added during a past remodel often separate at the collar or trap grit in a sag. We inspect every collar connection and re-support the run if we find a kink. The airflow to far rooms comes back.
- Dirty blower wheels that recirculate dust forever. A Lennox blower wheel caked in dust never stops blowing fine particles through the house, even after the ducts are clean. We pull the blower assembly, clean the wheel, and confirm airflow before we call it done.
Lennox Service in Montclair: What Local Conditions Mean for Your Equipment
Montclair sits at the foot of the San Gabriel Mountains in a hot-summer inland climate, and that geography drives nearly everything we see on Lennox equipment here. The mountains shed a fine gray grit that Santa Ana winds push down into the valley, and east-side tract homes with original unsealed Lennox rigid metal ductwork collect that grit in the return plenum and supply boots almost immediately after a wind event. We check for that pattern on most jobs in the 91763 ZIP code. The other factor is runtime. Your air conditioner cycles seven to eight months a year in Montclair, and every hour it runs pulls whatever is in the attic or crawl space through the returns and across the coil. That’s why a Lennox cased coil in Montclair needs attention more often than the same coil in a coastal market, and it’s why a generic blow-and-go cleaning doesn’t hold up here. The dust comes back fast if the seams are still open and the coil is still matted. We fix all of it in one visit.
Lennox Models & Products We Service in Montclair
Our crews work on Lennox Merit Series gas furnaces and air handlers, Lennox Elite Series air conditioners and heat pumps, and Lennox Signature Collection variable-capacity systems, including the associated cased coils and evaporator coils. When a repair needs Lennox OEM parts such as coil components, cabinet panels, or blower assemblies, we use them because fit and function depend on it. For generic items like flex duct, mastic, vent caps, and bird guards, we install quality aftermarket parts that do the job right without the OEM markup. On older Lennox systems with rusted or crushed duct sections, we’ll give you an honest repair-versus-replace read. We won’t seal over ductwork that’s already failing.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Montclair
Duct cleaning here is priced per job by written estimate, never by the vent. The cost depends on system size, access, and how much build-up we’re dealing with, and we’ll walk the house with you before we quote anything. A free estimate includes a visual inspection of the returns, supply boots, and accessible plenums, plus a clear scope of work. If we find something structural during cleaning, like a separated trunk transition or a rusted return plenum, we’ll show you photos and quote the repair separately before any work begins. No bait pricing, no surprise upcharges. Call (833) 589-9571 and we’ll put an estimate together for your Montclair home. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Serving Montclair, CA – Our Local Coverage Area
We serve Montclair and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Lennox Air Duct Cleaning in Montclair
My Lennox system in Montclair runs almost year-round – how often should the ducts be cleaned?
With seven to eight months of cooling runtime and mountain grit in the air, most Montclair Lennox systems need a full cleaning every two to three years, and sooner if you’ve had a recent Santa Ana wind event or interior renovation. If you can see dust on the register covers a week after cleaning the house, call (833) 589-9571 and we’ll inspect the ducts for free.
Why does my Lennox air handler cabinet collect dust so fast after wind events?
The negative pressure from your blower pulls airborne grit through any loose seam or gap in the return ductwork, and it settles in the blower compartment because that’s the first low-velocity spot in the system. We seal the return plenum and trunk transitions with mastic to stop the pull, then clean the cabinet out completely. Call (833) 589-9571 for an exact quote on sealing and cleaning your Montclair system.
Will cleaning my Lennox evaporator coil and blower actually improve cooling?
Yes. A matted coil blocks heat transfer and a dirty blower wheel moves less air, so cleaning both usually brings supply register temperatures and airflow closer to spec. On a hot-summer Inland Empire afternoon, that’s the difference between a system that keeps up and one that runs constantly without cooling the back rooms. We measure airflow before and after so you can see the change.
Can you repair loose joints in my original metal ductwork instead of replacing it?
In most cases, yes. Loose joints and seam gaps in old rigid metal ductwork respond well to mechanical fastening and mastic sealing, and we prefer that fix when the surrounding metal is still sound. If sections are rusted through or crushed, we’ll tell you honestly and quote replacement. Call (833) 589-9571 and we’ll inspect your Montclair ducts and give you a straight read.
Do you work on Lennox equipment even though you’re not a Lennox dealer?
We do. We’re an independent service provider, not authorized, sponsored, or endorsed by Lennox, and we say so plainly. That independence means we recommend what the system actually needs, not what a manufacturer program tells us to sell. For repairs that demand exact fit, we use Lennox OEM parts; for everything else, we use quality aftermarket parts that hold up just as well.
Service Areas Near Montclair
Along with Montclair, our Lennox duct cleaning and repair crews regularly work nearby in Pomona, Upland, Rancho Cucamonga, Chino, Chino Hills, and Diamond Bar. If you’re in one of those cities and dealing with the same mountain-grit dust pattern, we can help. Call for details.
Book Your Lennox Service in Montclair Today
We’ll come out, walk your system with you, and give you a free written estimate. No pressure, no bait pricing, no blow-and-go dust shuffle. Call (833) 589-9571. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Barry Walsh, Owner at Duct Cleaning Pomona, serving Montclair since 2015.