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
Lennox air duct cleaning in Citrus typically runs $375 to $650 for a whole-home system, and the estimate is free. What makes our work here different is simple: Citrus’ hot, dusty foothill attics bake Lennox air handlers until mastic cracks and flex-duct joints open up, so most of these jobs need sealing as much as cleaning. We’re Duct Cleaning Upland, an independent Lennox service provider serving Citrus since 2012 with commercial-grade Rotobrush, Nikro, and Abatement Technologies equipment. Call (855) 382-4830 for a free estimate.
We work on Lennox residential split systems and air handlers every week across the San Gabriel Valley. When you call us about Lennox equipment, you’re talking to a crew that reads model data plates, knows the plenum and flex-duct layouts Lennox uses, and documents duct conditions with video before recommending anything.
Why Citrus Residents Choose Us for Lennox Service
Most duct cleaning companies roll up with a consumer-grade vacuum and call it a day. That’s not how we work in Citrus. We show up with Rotobrush and Nikro systems, purpose-built machines used in commercial and remediation settings, plus Abatement Technologies negative-air containment gear. You can see the difference in our equipment before the first brush touches your ducts.
Marty Barrera grew up in the Cable Airport corridor of Upland and spent well over a decade in HVAC and ventilation work before starting Duct Cleaning Upland in 2012. He trained at Chaffey College in Rancho Cucamonga, and that diagnostic foundation still drives how we approach every Lennox system we open up. His take on the work is direct: clean ducts and a plan to keep them clean. That’s why we also install and service Honeywell and Aprilaire filtration systems, so the job doesn’t end when we pack up.
We understand that Lennox equipment in Citrus runs hard. Long cooling seasons, fine wind-blown dust, and attic-mounted air handlers pushing 140°F means these systems collect a lot more than hair and lint. Homeowners who’ve been burned by cheap coupon cleaning calls want someone who treats the structural condition of the ductwork seriously, not just the surface dust. That’s the job behind the job, and it’s where we spend most of our time.
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
- Fiberglass-lined air handler cabinets shedding into the supply plenum. Lennox air handlers from the 1980s and 90s used fiberglass liner inside the cabinet. After thirty-plus years in a Citrus attic, the adhesive fails and insulation fibers start blowing into every room. We pull a video camera through before and after so you see exactly what we found and what we removed.
- Mastic and plenum seams cracked open from extreme attic heat. Citrus summers turn shallow attic spaces into ovens. That heat hardens the mastic around Lennox plenum connections and flex-duct collars until seams pull apart. Once that happens, attic dust and insulation fibers get suctioned straight past the filter and coat the evaporator coil.
- Lennox flex-duct runs with collapsed inner cores. Near the takeoffs, the inner liner of flex duct can separate from the outer jacket or cave in entirely. That restricts airflow on longer runs and drops cooling capacity during Citrus’ long dry-season cooling months. Cleaning alone won’t fix a collapsed core; the damaged section needs replacement or repair.
- Return-side leakage around filter cabinets and media racks. Lennox filter housings and media racks can warp slightly over time, especially in attics that swing from cold nights to 120°F-plus days. The gap lets fine foothill dust bypass the filter entirely. We check return-side sealing on every job and seal what we find with mastic and foil tape.
- Dust-caked evaporator coils from bypassing filters. When return ducts leak, the coil becomes the filter. A Lennox coil packed with San Gabriel Valley dust and pollen loses heat transfer fast, which means longer run times and higher bills. We clean the coil and the ductwork together, so you’re not chasing symptoms.
Lennox Service in Citrus: What Local Conditions Mean for Your Equipment
Citrus sits in the San Gabriel Valley’s hot, dusty foothill belt, and that changes what Lennox duct cleaning actually involves here. Duct cleaning in Citrus is dominated by fine wind-blown dust and dry-season pollen intrusion, not the humidity or mold problems trades face in coastal LA County. The low-slung mid-century ranch homes around Citrus Avenue and the nearby tract streets put Lennox air handlers in shallow attics that bake over summer. Techs routinely find ducts that need sealing as much as cleaning. That’s not a generic “clean the vents” scope; it’s a sealing-before-cleaning job, and it’s exactly the work this housing stock keeps producing.
On a 1962 ranch off Citrus Avenue, our tech pulled a video camera through a Lennox CBX air handler’s supply plenum and found the fiberglass liner shedding and the mastic at the flex-duct collars cracked wide open. The system was pulling attic insulation fibers into every room. We cleaned the full system, sealed the plenum and takeoffs with mastic, and re-taped the flex joints. The homeowner noticed less dust on the furniture within a week. That’s not an unusual day in Citrus; it’s the typical condition these systems reach after a decade or more of foothill heat.
Lennox Models & Products We Service in Citrus
We service the full range of Lennox residential equipment found in Citrus homes, including Elite series (EL) air conditioners and matching air handlers, Merit series (ML) split systems, Signature Collection (XC/XP) variable-capacity systems, and CBX and CBX3 air handlers. We’re not tied to any one era or configuration; we work on everything from original 1960s cabinet-style air handlers to modern variable-capacity systems.
When parts are needed, we use OEM Lennox parts where fit and longevity matter, like plenum gaskets, filter racks, and coil components. For duct materials like mastic, foil tape, and flex duct, we use quality aftermarket products where OEM adds cost without benefit. If a Lennox air handler or coil is failing structurally, we’ll tell you straight whether sealing and cleaning will buy you years or whether replacement is the smarter spend. We’re an independent shop, so our answer is based on what’s best for your home, not what a manufacturer program tells us to push.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Citrus
Whole-home Lennox air duct cleaning in Citrus typically falls between $375 and $650, depending on the number of returns, the length of the runs, and the condition of the attic connections. If we’re also sealing plenum seams and re-taping flex collars, that’s quoted separately; it’s a different job than cleaning alone. Dryer vent cleaning and air duct repair are also available as standalone services.
Pricing is set per job by written estimate, and the estimate is free. We don’t do per-vent pricing and we don’t bait you with a low number and inflate once we’re on site. One flat price per system, agreed before work starts. Call (855) 382-4830 to schedule your free estimate.
Serving Citrus, CA – Our Local Coverage Area
We serve Citrus 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 Citrus
It’s usually both. Citrus does get genuinely dusty air, but if your vents keep accumulating dust faster than you expect, the more likely culprit is return-side leakage pulling unfiltered attic air into the Lennox cabinet or opened seams at the plenum letting insulation fibers into the supply runs. We check both during an estimate and show you the video so you know which one you’re dealing with. Call (855) 382-4830 to set one up.
Often we can clean and seal it. Fiberglass liner that’s shedding but still intact can typically be cleaned, re-adhered, or encapsulated so it stops releasing fibers. If the liner has deteriorated to the point where the cabinet itself is compromised, we’ll tell you that replacement is the better spend. We won’t push you into new equipment just because it’s easier for us. Call (855) 382-4830 and we’ll video-inspect the cabinet before recommending anything.
Yes, and it matters. Variable-capacity Signature Collection systems run longer at lower airflow, which means dust settles differently in the runs than it does in a single-stage system that blasts air through. We adjust our agitation and negative-pressure approach based on the system type, and we verify airflow at the returns before and after. A generic clean that treats an XC system like a basic ML split leaves material behind.
The San Gabriel Valley’s seasonal winds push fine dust and dry-season pollen through returns at a rate that shortens the typical cleaning interval here compared to coastal areas. Most Citrus homes with a Lennox system benefit from a full duct cleaning every two to three years, and more often if the attic connections are leaking badly. Sealing the returns and plenum can stretch that interval by keeping new dust out. Call (855) 382-4830 and we’ll give you a straight answer for your specific house.
It improves cooling when the leaks are real. If your plenum seams are open or flex collars have separated, sealing them stops cooled air from escaping into the attic and stops hot attic air from being pulled in. The result is higher supply temperatures at the vents, often within a day or two in Citrus’ hot season. When the leaks are minimal, sealing won’t change much; our video inspection tells us which situation you have before we quote the work.
Service Areas Near Citrus
We serve Citrus and the surrounding San Gabriel Valley communities, including Azusa, Charter Oak, Glendora, San Dimas, and La Verne. Same crew, same equipment stack, same flat-per-system pricing.
Book Your Lennox Service in Citrus Today
Call (855) 382-4830 for a free estimate on Lennox air duct cleaning in Citrus. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Clean ducts don’t announce themselves, you just notice you’re breathing easier.
Written by Marty Barrera, Owner at Duct Cleaning Upland, serving Citrus since 2012.