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.
Fast, Reliable Air Duct Cleaning Across Glendale
Air duct cleaning in Glendale costs between $350 and $650 for a typical single-family home, with older hillside properties running $450 to $800 when ducts haven’t been touched in decades. Most jobs take half a day. If you’re breathing dust that settles back onto furniture within days of wiping it down, the ducts are usually the source. Our crews work throughout Glendale weekly, from the flats near Brand Boulevard up into Rossmoyne and Verdugo Woodlands, and we answer the phone at (626) 469-5477 with a live person, not a queue.
Why Hollis Air Duct Pasadena Is Glendale’s Preferred Air Duct Cleaning Company
Glendale’s housing stock is not like the rest of Los Angeles. The 1920s through 1950s Spanish Colonial and ranch homes that climb the foothills here still contain original galvanized steel ductwork, often wrapped with asbestos tape at the seams. That’s a fact most duct cleaning outfits either don’t know or don’t want to deal with. We do. Roy Castellanos, who leads our team, has drilled every tech on the difference between aggressive brushing that tears old wrap and source-removal methods that clean without disturbing it. That single distinction is why Glendale homeowners call us after another company either refused the job or made a mess of it.
Every crew that rolls into Glendale is background-checked and uniformed, operating under The Garrison Code: arrive inside the quoted window, put the price in writing before the work starts, do the job by the book, and leave the site cleaner than we found it. Our Air Duct Cleaning team works with Rotobrush rotary brush systems and Nikro negative-air machines, paired with HEPA filtration when the situation demands it. We don’t bring hardware-store gear to a job that needs commercial extraction.
Styles & brands we work with
Vent Cleaning in Glendale
Vent cleaning in Glendale means removing the built-up layer of dust, pollen, and often ash from every supply and return register in the home. In this city’s hillside districts, that layer is rarely just dust: it’s a dry, caked film that bakes onto duct walls during hot summers and gets pushed deeper by Santa Ana winds. A standard vacuum won’t pull it off. We use rotary agitation to break the bond, then negative pressure to extract the debris without blowing it into living spaces. Pricing for vent cleaning alone in Glendale typically runs $250 to $450, depending on the number of registers and whether the home sits on a hillside with harder-to-reach runs. If you’re noticing a fine gray film on furniture within 48 hours of cleaning, your vents are recirculating what’s already inside them.
Supply Duct Cleaning for Hillside Homes
Supply ducts carry conditioned air into rooms. In Glendale homes near open land or unpaved roads, these runs collect a surprising amount of fine particulate because the negative pressure at the register pulls it in from the crawlspace and exterior gaps. We clean each supply run from the register face back to the plenum, camera-inspecting runs in older homes where we suspect corrosion or separated joints.
Return Duct Cleaning in Older Construction
Return ducts draw air back to the furnace or air handler. In 1930s-era Glendale homes, returns are often panned into wall cavities or floor joists rather than run as dedicated ductwork. That means the air passing through them picks up whatever sits in those cavities: decades of dust, old plaster debris, sometimes rodent droppings. We extract that material the same way we would a conventional return, but we also check the panning for gaps that pull crawlspace air into the system.
Air Duct Repair in Glendale
Air duct repair in Glendale usually follows one of three discoveries: a separated joint at the plenum, a crushed or collapsed run under a tight crawlspace, or corrosion holes in original galvanized steel that’s spent 70 years carrying air through a hillside home. When we find damage during a cleaning, we don’t proceed silently and bill you later. We point it out, put the repair price in writing, and do it with mastic sealing and metal that matches the existing system. Repair work in Glendale typically runs $300 to $600 for joint resealing and minor patching, while replacing a crushed section of flex duct can push toward $800. Once repair work is done, it’s covered by our 365-Day Done Right Promise: if it fails within a year, we return at no charge, including a free second visit.
Duct Sealing in Older Galvanized Systems
Galvanized steel ducts from the 1920s through 1950s leak. The seams loosen over time, and in Glendale’s dry climate the cement-like backing material between joints cracks and falls away. That means conditioned air pours into the attic or crawlspace instead of the bedroom. We seal those joints with mastic, not tape, and test the static pressure before and after so you can see the difference on a gauge, not just hear it from a sales pitch. For homes with extensive leakage, we also offer Duct Sealing in Glendale to restore system efficiency.
Camera Inspection Before and After
Every full-system job in Glendale includes a camera pass through the accessible main trunk lines. We show you what the ducts looked like before we started and what they look like when we’re done. For hillside homes with long runs and limited access, that camera work is the difference between trusting someone’s word and seeing the evidence.
Trusted Brands We Service in Glendale
We work on all residential systems common in Glendale, including furnaces and air handlers paired with Aprilaire filtration, Guardsman media cabinets, and Honeywell electronic air cleaners when a home has them. We also handle Trane repair in Glendale for systems that need component-level service. We stock common filter sizes and mastic on the trucks so we don’t have to leave a Glendale job half-finished over a $14 part. If your system uses a Rotobrush service record from a previous cleaning, we can pick that history up and note what we find this time around. Parts and labor on repairs carry the same written one-year guarantee as the cleaning itself.
Common Air Duct Cleaning Problems We See in Glendale Homes
- Baked-on dust layers in hillside homes. Glendale’s hot, dry summers bake the dust that Santa Ana winds push into ducts, forming a hard crust that a normal vacuum brush skids over. Rotary agitation is what breaks it, and it’s the step cheap crews skip to save time.
- Wildfire ash packed into Verdugo Woodlands and Rossmoyne ducts. Downhill brush fires send fine, sooty particulate into homes on the hillside. That ash works its way through registers and settles inside duct runs, where it keeps recirculating long after the outdoor smoke clears. HEPA filtration during extraction matters here.
- Original galvanized steel with asbestos tape at the seams. We see this on a large share of 1920s – 1950s Glendale homes. Aggressive brushing tears the wrap and releases fibers into the air. Our techs are trained to clean around it, not through it.
- Wood heat residue from foothill homes. Homes that burn wood in the colder months develop a creosote-like film inside ducts that normal cleaning doesn’t remove. We sanitize after extraction on these jobs, otherwise the system keeps smelling smoky for weeks after the cleaning.
See the difference
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After
Before
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Before
AfterPricing for Air Duct Cleaning in Glendale, CA
A whole-system cleaning in Glendale runs $350 to $650 for most single-family homes under 2,500 square feet. Hillside properties with long trunk runs, limited crawlspace access, or decades of buildup fall in the $450 to $800 range. Condos and apartments from the 1970s and 80s typically land between $300 and $450. What changes the number is not square footage alone; it’s how many registers, how long the runs, how much buildup, and whether the system needs sanitizing afterward. You get a written price before any work begins, and that number does not move at the door. Call (626) 469-5477 for a free estimate and we’ll give you a range over the phone and a firm price once we see the system.
We Also Serve Cities Near Glendale
Our crews work throughout the foothill corridor beyond Glendale, including Burbank, Altadena, Pasadena, and Alhambra. If you’re in one of those cities and dealing with the same old-home duct issues we see in Glendale, call the same number and you’ll get the same written price and the same one-year guarantee.
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 About Air Duct Cleaning in Glendale
Every three to five years is realistic for most hillside homes in Glendale. If you live near unpaved roads, keep horses, or burn wood in the winter, plan on every two to three years. The fine dust from those roads loads ducts faster than city street dust, and once it bakes in place it takes commercial extraction to remove.
Yes. We use source-removal methods with controlled agitation and negative pressure rather than aggressive rotary brushing through taped seams. Where asbestos tape is present, we clean around it and seal with mastic only where safe to do so. A camera pass before and after confirms the wrap stayed intact.
Because the ducts are feeding it back into the rooms. When windows stay shut and the HVAC cycles, return air draws from inside the home, passes over whatever sits inside the duct runs, and recirculates it. In Glendale, summer heat bakes the accumulated dust onto the duct walls, and every cycle knocks a little of it loose. The fix is cleaning the runs, not dusting the shelves again.
Yes. Detached garages, guest houses, and ADU systems have their own ducts and their own buildup, and they don’t share the main home’s airflow. Cleaning the house and skipping the ADU leaves one system still pushing old dust. We quote outbuildings separately so you know the price for each before we start either.
Once a year for most foothill homes, and twice a year if you run the dryer daily or the vent run is long. Glendale’s dry lint loads fast, and a clogged dryer vent is a genuine fire risk in an older frame home. We include dryer vent cleaning as an add-on during duct jobs for a lower combined price than scheduling it separately.
Ready to Fix the Air Moving Through Your Glendale Home?
Call (626) 469-5477 for a free estimate and a written price for air duct cleaning in Glendale. Roy and the crew will give you a real number before the work starts, stand behind it, and leave the house cleaner than we found it. Air Duct Cleaning isn’t a mystery process; it’s dust, ash, pollen, and old debris, and it’s sitting in your ducts right now. We’ll remove it.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving Glendale and the surrounding foothill communities.