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 Glendale, CA
Lennox air duct cleaning in Glendale costs roughly $450 to $1,150 for a full system, depending on home size and how much debris has settled in the runs. We’re Onyx Duct Cleaning, an independent Lennox service provider serving Glendale since 2013, and we bring contractor-grade Rotobrush and Nikro HEPA equipment to every job, not a shop vac. What separates our Lennox work here is simple: we know how Glendale’s pre-1960 ductwork fails, and we clean for that reality. Call (833) 589-9715 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Glendale Residents Choose Us for Lennox Service
Stan Merrick grew up in the Lankershim Arts District and studied HVAC systems at Los Angeles Valley College before starting Onyx Duct Cleaning in 2013. That background means he treats a Lennox air handler as part of a whole air-distribution system, not an isolated box. We’re not authorized by Lennox, sponsored by them, or warranty-endorsed, and we say that plainly before any work begins. What you get instead is independence: we recommend what the ductwork actually needs, whether that’s a thorough cleaning, a flex run re-seated at the collar, or an honest conversation about a 20-year-old air handler that isn’t worth another repair.
Our technicians run Rotobrush contact-cleaning systems and Nikro HEPA vacuums that capture particles down to 0.3 microns. The same equipment restoration crews trust. For Glendale homes, that matters more than most people realize, because decades of foothill dust and wildfire ash don’t lift out with a brush and a prayer. You’ll see the system, not just the invoice. And every Lennox duct cleaning here includes video inspection so you can see the before and after with your own eyes.
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 Glendale
- Flex and galvanized supply runs pulling apart at the collar. On Lennox systems in Glendale’s older homes, the original galvanized trunks often got patched with add-on flex duct over the years. That flex slips off the collar in attic chases, dumping conditioned air into the wall cavity while dust keeps recirculating through the house. We re-seat, mastic-seal, and clean the whole path.
- Blower wheels packed with ash and fine dust. Glendale sits against the Verdugo foothills, and fire seasons leave a residue that standard return filters never fully catch. On a Lennox G-series furnace, that debris loads the blower wheel, unbalances it, and robs airflow. We pull and clean the wheel, then run HEPA capture so nothing recirculates into the living space.
- Undersized returns causing high static pressure. Many retrofitted Lennox furnaces in pre-1960 Glendale homes were paired with returns sized for a gravity system, not a forced-air blower. The result is high static pressure that stresses the heat exchanger and evaporator coil. During a duct cleaning, we flag this pattern and explain what can be done.
- Evaporator coils matted with dust from tight filter slots. Older Lennox coils installed on original gravity-furnace ductwork develop condensation and dust matting that bleeds into the supply trunks. That’s the musty odor people notice when the system kicks on. We clean the coil and the supply side together, which is the only way the smell actually goes away.
- Debris from disconnected runs ending up in wall cavities. When a Lennox supply run pulls loose in an attic chase, it doesn’t just waste air. It pulls insulation and drywall dust into the system and pushes conditioned air into places it was never meant to go. We find disconnections during the cleaning and repair them right then.
Lennox Service in Glendale: What Local Conditions Mean for Your Equipment
In the Rancho area of 91207 and north Glendale’s 91202, the ducts tend to hold soot and ash from the 2017 La Tuna Fire and the fire seasons that followed. It settles into return plenums, packs blower wheels, and leaves a distinct smell when the furnace cycles. For a Lennox owner, that residue works its way through the air handler cabinet and onto the evaporator coil, where it mixes with condensation and turns into a gray paste that’s difficult to remove once it cures. Standard shop-vac duct cleaning won’t capture that fine material; it just agitates it and sends a cloud through the house. That’s why we run HEPA filtration through the full system when we service Lennox equipment in those foothill-adjacent Glendale neighborhoods. The ash comes out, not back into the living room.
Lennox Models & Products We Service in Glendale
Our work covers the Lennox residential and light-commercial equipment common across Glendale: G-series gas furnaces like the G61 and G71, Merit and Elite series air handlers and coils, and 14ACX and XC-series condensing units alongside Dave Lennox Signature Collection equipment. The duct cleaning side is where we see these systems day in and day out, and we service the full airflow path connected to them. For repairs on Lennox gear, we use OEM-matched parts where the fit and warranty trail matter, blower wheels, filter racks, coil drain pans. Where the OEM premium isn’t justified, we use quality aftermarket flex, mastic, and caps. On older equipment, we’ll tell you straight if a repair is throwing money at a system that should be replaced.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Glendale
A full Lennox air duct cleaning in Glendale typically runs between $450 and $1,150 for the whole system. Larger homes with extensive duct runs and heavy debris loads land at the higher end. The final price comes from the written estimate after we see the system, never a per-vent number that climbs once our van is in the driveway. Your estimate is free and includes a video inspection so we can show you exactly what’s in the ducts before any work is quoted. Call (833) 589-9715 and we’ll walk you through it. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Serving Glendale, CA – Our Local Coverage Area
We serve Glendale 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 Glendale
Yes, they can, but they need to be handled differently than modern flex duct. Original gravity trunks in Glendale’s older Spanish Colonial and Craftsman homes are often galvanized steel, sometimes with asbestos wrap on the exterior. We don’t disturb that wrap. We clean the interior surfaces with Rotobrush contact-cleaning heads and run HEPA vacuum capture to contain what’s pulled out. The real question with gravity-furnace trunks isn’t whether they can be cleaned, it’s whether the system has been properly retrofitted to a forced-air Lennox furnace or still runs on the original gravity principle. We’ll tell you what you’re working with.
Almost certainly. North Glendale and the Rancho area hold ash from the 2017 La Tuna Fire and later fire seasons, and it settles in return plenums and blower cabinets. When the furnace cycles, that ash gets pulled across the heat exchanger and pushed through the supply runs, which is the smell you’re noticing. We run HEPA capture on those jobs and clean the blower wheel and evaporator coil, not just the duct walls. Call (833) 589-9715 and we’ll take a look at the system and quote it for you. Estimates are free.
Usually, yes. The disconnect at the collar is typically a fitting issue, not a reason to replace the entire flex run. We re-seat the duct, mastic-seal the connection, and add mechanical fastening so it doesn’t slip again. If the flex itself is damaged or collapsed, we’ll tell you and replace only what’s needed. That’s the advantage of having us on site: Air Duct Repair is a standalone service for us, so the fix happens during the cleaning, not as a separate trip.
We use video inspection before and after the job. You see the duct interior as it exists when we arrive, and you see it again when we’re done. There’s no ambiguity. The Rotobrush contact cleaning agitates debris at the duct wall, and the Nikro HEPA vacuum captures it down to 0.3 microns. If a run is disconnected or collapsed beyond cleaning, we tell you that too. You’re not paying for a mystery process; you’re paying for a verifiable one.
No. Duct cleaning is part of normal system maintenance, the same as changing filters or cleaning the outdoor condensing unit. We are an independent provider, not authorized or warranty-endorsed by Lennox, so we don’t claim any manufacturer relationship. But cleaning the ducts and the air handler cabinet doesn’t void a warranty in and of itself. If a warranty claim comes up later, the manufacturer cares about installation defects and part failures, not whether the ductwork was cleaned. Call (833) 589-9715 if you want to talk through the specifics of your system before booking.
Service Areas Near Glendale
Onyx Duct Cleaning serves Glendale and the surrounding San Fernando Valley communities. If you’re in North Hollywood, NoHo Arts District, Toluca Lake, Van Nuys, Sherman Oaks, or Woodland Hills, we can bring the same HEPA-equipped Lennox service to your system. Each area has its own housing stock and ductwork quirks, and we treat them accordingly.
Book Your Lennox Service in Glendale Today
If your Lennox system is moving air through ducts that haven’t been cleaned in years, or you’ve noticed that foothill ash smell when the furnace cycles, we can help. Call (833) 589-9715 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Stan Merrick, Owner at Onyx Duct Cleaning, serving Glendale since 2013.