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 | Hollis Air Duct Pasadena
We clean Lennox duct systems throughout Glendale, and the work here is different from anywhere else in the San Gabriel Valley. The hillside neighborhoods trap wildfire smoke and fine dust, and the city’s older Lennox systems pick up decades of that particulate. Independent service, not factory affiliated, from a crew that knows what those conditions do to ductwork. Call (626) 469-5477 for a written estimate.
Roy Castellanos and our technicians have worked on Lennox equipment in Glendale long enough to know which models hold up and which ones hide problems. We’re part of the Hollis Air Duct family, running on The Garrison Standard: written pricing, written guarantees, and a 365-Day Done Right Promise. For Lennox sales & service context, see our brand page.
Why Glendale Residents Choose Us for Lennox Service
Glendale’s housing stock works against duct systems. Homes built between 1920 and 1960 often have original galvanized steel ducts that have never been opened. Add Santa Ana winds, regional wildfire smoke, and the fact that residents keep windows shut through the hot months, and you get Lennox systems pushing air through decades of accumulated soot. We see it every week.
Roy studied mechanical HVAC systems at Los Angeles Trade-Technical College and has spent years getting his hands into ductwork across the San Gabriel Valley. He’ll tell you the same thing he tells every Glendale homeowner: we won’t sell you work you don’t need. Our techs are background-checked, uniformed, and trained on Lennox systems specifically. We use OEM Lennox filters when replacement is required, and high-quality aftermarket duct insulation and mastic where equivalent and more cost-effective.
Every job gets a written price before we touch anything. If the work fails within a year, we come back and make it right at no charge. That’s not a slogan. It’s the 365-Day Done Right Promise, and it’s on paper for every Glendale job we do.
Styles & brands we work with
Common Lennox Air Duct Cleaning Problems We Solve in Glendale
- Heavy fine particulate on evaporator coils. Santa Ana winds and wildfire smoke push fine ash through the system, and older Lennox coils in Glendale homes collect it fast. A coated coil loses efficiency, so the AC runs longer and the house still feels warm. We clean the coil and the duct run feeding it.
- Flex duct tears and compression in attic runs. Original installations in 1950s and 1960s Glendale homes often used flexible duct in attics that get brutally hot. The duct compresses, tears, or sags, pulling insulation particles into the airstream. We repair or replace the run and seal connections properly.
- Biological growth on cooling coils and drain pans. Glendale’s hot, dry summers push homeowners to close up tight and run the AC constantly. Condensation builds on the coil and pan, and with dust feeding it, growth follows. We steam the coil, clear the pan, and treat the area so the smell doesn’t come back.
- Clogged high-efficiency Lennox filters. MERV 16 filters on Lennox Healthy Climate systems catch more, but in Glendale’s air quality they clog fast. A starved blower loses airflow and shortens system life. We check filter condition on every job and tell you honestly when it’s time to change it.
- Duct leaks from decades-old mastic failure. The mastic sealing duct joints in many Glendale Lennox systems dried out years ago. Air leaks into attics and crawl spaces, dragging dust back into the system as it cycles. We reseal with modern duct mastic and restore the original duct integrity before recommending any expensive replacement.
Lennox Service in Glendale: What Local Conditions Mean for Your Equipment
Here’s a fact about Glendale that shapes how we work on Lennox duct systems here, and it wouldn’t be equally true in Pasadena or Burbank. The Rossmoyne and Verdugo Woodlands hillside districts sit in the direct path of airborne particulate from downhill brush fires, and inversions trap that soot against the hills. We routinely open original galvanized steel returns on 1980s Lennox Elite systems in Rossmoyne homes and find a half-inch of fine, sooty dust caked inside. Not dust from normal living. Fire particulate that settled into the ductwork over years and never left.
What that means for a Glendale Lennox owner is that standard cleaning misses the point. You need HEPA vacuuming to pull the fine particulate out, sanitizing to address what that soot leaves behind, and often coil steam-cleaning because the same particulate collected on the evaporator. We built our Glendale approach around this reality. A superficial once-over leaves the smoke smell and the efficiency loss in place. The duct work doesn’t lie, and neither do we.
Lennox Models & Products We Service in Glendale
We clean and maintain duct systems connected to Lennox Merit Series, Elite Series, Dave Lennox Signature Collection, and Lennox Healthy Climate Solutions equipment. That covers the 1980s Elite systems still running in Rossmoyne and Verdugo Woodlands, the Merit units in 1970s and 1980s Glendale condos, and the newer Signature high-efficiency models in updated homes.
When parts need replacing, we use OEM Lennox filters and components. For duct sealing, insulation, and mastic, we use high-quality aftermarket materials that hold up to Glendale attic heat without costing what the OEM label adds. We stock common Lennox filter sizes and sealants locally, so Glendale jobs don’t stall waiting on a part.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Glendale
You should know the number before you call. Air Duct Cleaning in Glendale for a typical single-family Lennox system runs $425 to $900, depending on home size, number of returns, and how much particulate has accumulated. Evaporator coil cleaning adds $150 to $350. Duct sealing runs $350 to $800, and video inspection runs $99 to $250. HEPA vacuuming and sanitizing for wildfire particulate, common in the hillside districts, lands in the $300 to $550 range.
The estimate is free, it’s written, and the number doesn’t move once we’re on site. No surprises at the door. Call (626) 469-5477 and we’ll give you one flat price per system.
Serving Glendale, CA - Our Local Coverage Area
We’re based in the Glendale 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 Glendale
Fine wildfire particulate settles into ductwork and on the evaporator coil, then releases odor when the system cycles air. This is common in Glendale’s hillside districts, where inversions trap smoke against the slopes. HEPA vacuuming the returns and steam-cleaning the coil removes the source. Call (626) 469-5477 for an exact quote.
Yes. We clean original galvanized steel ducts with controlled rotary brush and HEPA negative-air methods that pull particulate out without stressing aging seams. Some older systems in Glendale have asbestos tape at joints, and we handle those carefully, containing the area and working around the material rather than disturbing it. The goal is restoration first, replacement only if the duct has already failed.
Often it is. In Glendale, we find clogged evaporator coils, collapsed attic flex runs, and duct leaks on most Lennox systems that fit that description. Airflow drops, the system works harder, and the house still doesn’t cool. A video inspection shows exactly where the restriction is, and the quote tells you what it costs to fix. Call (626) 469-5477 and we’ll walk through it.
In Glendale’s wildfire-prone hillsides and with the city’s aging housing stock, Glendale Dryer Vent Cleaning and duct service every 2 to 3 years is the realistic interval. Homes in Rossmoyne, Verdugo Woodlands, and canyon-adjacent streets that pick up brush-fire particulate should lean shorter. Lennox high-efficiency filters clog faster here too, so annual filter checks are part of any reasonable maintenance plan.
Yes, often twice as often as the manufacturer’s general guideline. Glendale’s air quality is consistently poor, and MERV 16 filters on Lennox Healthy Climate systems load up quickly with fine particulate. We’ll check the filter on every visit and tell you straight whether it’s done. Skip it and the blower starves for air, which shortens the whole system’s life.
Service Areas Near Glendale
We serve the full Glendale service area, including the hillside districts, downtown, and the neighborhoods along the Verdugos. We also run Lennox duct cleaning jobs in Pasadena, Burbank, and East Los Angeles. For nearby work, see our Lennox service in Downtown Los Angeles and Lennox service in Pasadena pages.
Book Your Lennox Service in Glendale Today
If your Glendale Lennox system is pushing stale, dusty, or smoky air, don’t wait through another Santa Ana season. Call (626) 469-5477 for a free, written estimate. Roy Castellanos and our crew will open the ducts, show you what’s in there, and price the fix before any work starts.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving Glendale since 2004.