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 Citrus, CA
We provide our Air Duct Cleaning in Citrus for independent Lennox systems, and the work here carries a specific signature: after Santa Ana wind events push smoke down from the Angeles National Forest, Lennox return plenums and evaporator coils in 91722 collect a grey ash layer that most homeowners only notice once the smoke smell lingers on every blower cycle. We clean the full duct system, the coil, and the blower cabinet using Rotobrush rotary brush agitation paired with Nikro HEPA negative-air capture. If your Lennox system smells like last fire season, call (833) 620-4169 for a free estimate. We’re an independent provider, not a Lennox-authorized dealer, and that independence means our recommendations come from what we find inside your ducts, not a manufacturer playbook.
Why Citrus Residents Choose Us for Lennox Service
Dwight Yates grew up in Glendora, picked up HVAC fundamentals at Citrus College, and has spent over a decade cleaning residential and light-commercial duct systems across the San Gabriel Valley foothills. His team works on Lennox Merit, Elite, and Signature Series equipment every week, so we know the cabinet and coil configurations specific to Lennox forced-air systems, not just generic flex duct. When a Citrus homeowner calls about a smoke smell or a dusty return, we arrive in a truck stocked with Lennox-compatible coil gaskets, cabinet hardware, and blower components, alongside Abatement Technologies air scrubbers for remediation-grade particle capture. Our Lennox sales & service work spans the full equipment lineup, but the duct side is where we spend most of our time: return duct cleaning, evaporator coil cleaning, and flex duct repair under one roof. If you can’t describe what the equipment is doing inside the duct, you’re guessing, and guessing isn’t a service.
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 Citrus
- Ash-loaded Lennox indoor coils: The 1970s-era tract homes across Citrus often have Lennox indoor coils mounted in tight upflow or horizontal plenum cabinets. Post-fire-season ash settles directly on the coil face, and the coil wets and clogs far faster than in coastal installations. We clean the coil in place where the cabinet allows, or pull the access panel when we need full face exposure.
- Grey-ashed return plenums on older Lennox air handlers: Belly-mounted return plenums collect a visible grey layer after Santa Ana smoke events. That layer re-enters the airstream every time the blower cycles. Source-removal cleaning with HEPA negative air pulls that particulate out rather than blowing it through the living space.
- Sagging flex return runs off Lennox plenums: Original flex returns in Citrus attics sag, kink, and partially disconnect at the collar after decades of hot, dry summers. A disconnected collar pulls attic dust and insulation straight into the return. We repair or replace the failed flex run and reseal the collar with mastic, not tape.
- Dried-out Lennox cabinet seams and gasketed access panels: The dry heat in Citrus accelerates seal degradation on Lennox cabinet seams. Return-side leakage pulls fine dust into the system instead of the living space, which reads as “the house is always dusty no matter how often we clean.” We inspect and reseal those seams during every duct cleaning job.
- Clogged blower wheels and return ducts after foothill fires: After a major foothill fire, the blower wheel on a Lennox air handler loads up with fine ash and the return duct itself carries a thick film. We brush and vacuum the blower assembly as part of the full-system clean, because cleaning ducts while leaving an ashed blower means the system re-contaminates within days.
Lennox Service in Citrus: What Local Conditions Mean for Your Equipment
Citrus sits right against the Angeles National Forest foothills, and that geography writes the schedule for Lennox duct work here. After a Santa Ana wind fire event, our Lennox return plenums and evaporator coils routinely come out with a visible grey ash layer that homeowners only notice once the smoke smell lingers every time the system cycles on. We see this pattern nearly every fire season, and it’s more severe in Citrus than in Glendora or Duarte simply because the foothill edge catches the first and heaviest ash fall before winds disperse it across the valley floor. A homeowner in the older citrus-grove core of Citrus called us after one such fire season because their Lennox air handler smelled of smoke on every cycle. We pulled the return plenum and found a grey ash coating on the evaporator coil and a sagging flex return run off the Lennox cabinet that had partially disconnected at the collar. We sealed the collar, replaced the failed flex run, cleaned the Lennox coil and blower, and the smoke smell stopped cycling back through the house. That job is our reference point for every Citrus Lennox system we open: assume the ash is on the coil, and check every flex connection before you call it done. This is the pattern we see across Citrus service area work, and it’s why we treat post-fire duct cleaning as a seasonal necessity here, not an occasional service.
Lennox Models & Products We Service in Citrus
We work on Lennox Merit Series gas furnaces and air handlers, Elite Series furnaces with variable-speed air handlers, Signature Collection systems, and XC/EL series outdoor condensers paired with matching indoor coils. Our parts approach is straightforward: we use Lennox-compatible OEM parts where fit and metering matter, like coil gaskets, cabinet hardware, and blower components, and quality aftermarket flex, mastic, and sealing materials where they perform equal to OEM. On older Lennox in Glendora and Citrus air handlers, we give an honest repair-first recommendation unless the coil or heat exchanger is genuinely compromised. We keep common Lennox-compatible gaskets and sealing materials on the truck, which means a Citrus job doesn’t stall waiting for a parts run across the county.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Citrus
Lennox air duct cleaning in Citrus typically runs between $450 and $900 for a full system, depending on the number of returns, the condition of the flex runs, and whether we’re also cleaning the evaporator coil and blower assembly. Post-fire-season jobs with heavy ash loading on the coil and plenum tend toward the upper end of that range because the coil work adds time. Flex duct repair is quoted separately after we show you what’s actually wrong, and we agree on one flat price per system before any work begins. No per-vent pricing, no upsell once the van is in your driveway. A free estimate includes an inspection of the return plenum, coil, and accessible flex runs. Call (833) 620-4169 for an exact quote on your Lennox system.
Serving Citrus, CA – Our Local Coverage Area
We’re based in the Citrus 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 Citrus
That smell is almost always a grey ash layer sitting on the evaporator coil or inside the return plenum, and it re-enters the airstream every time the blower cycles. We clean the coil and plenum with source-removal equipment, not surface suction, so the particulate is captured and removed rather than redistributed. Call (833) 620-4169 and we’ll take a look before your next fire season makes it worse.
It’s usually both. A sagging flex return off a Lennox repair in Duarte or Citrus plenum often pulls apart at the collar, and that means attic dust and insulation are entering the return along with the air your system is supposed to be pulling from the living space. We clean the duct and repair the connection, replacing the flex run if the liner is torn or collapsed. One visit covers both problems.
Often yes. Many Lennox indoor coils mounted in upflow or horizontal cabinets in Citrus can be accessed through the existing panel, and we clean the coil face in place with coil-safe brushes and negative-air capture. If the coil is too tight or the ash layer extends into the fins, we’ll tell you honestly what access is required and quote the work before we start.
In Citrus, plan on every 2 to 3 years, or more often if a foothill fire season has left visible ash around your supply registers or a smoke smell on startup. Homes near the Angeles National Forest edge load up faster than those down in the valley floor, and older 1950s and 1970s tract homes with original flex runs simply move more dust. We can check your system and give you a realistic interval rather than a calendar guess.
We use Lennox-compatible OEM parts where fit and metering matter, such as coil gaskets, cabinet hardware, and blower components. For flex duct, mastic, and sealing materials, we use quality aftermarket products that meet or exceed OEM performance. We’ll show you what parts went into the job before you pay. Call (833) 620-4169 with your Lennox model number and we’ll tell you what we’d stock for it.
Service Areas Near Citrus
We cover Citrus and the surrounding foothill communities, including Lennox service in East San Gabriel, Lennox service in Charter Oak, Glendora, Duarte, and South El Monte. If you’re in a neighboring ZIP and your Lennox system is showing ash, dust, or smoke-smell symptoms, we run the same equipment and the same process on your job.
Book Your Lennox Service in Citrus Today
Call (833) 620-4169 and ask for a Lennox duct system inspection. We’ll schedule a walkthrough of your returns, coil, and flex runs, quote one flat price, and get the work done with equipment that actually removes what’s inside your ducts.
Written by Dwight Yates, Owner at Duct Cleaning Glendora, serving Azusa, Citrus and the San Gabriel Valley foothills.