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 La Cañada Flintridge
Air duct cleaning in La Cañada Flintridge runs $425 – $685 for a typical single-family home, depending on the number of zones and the condition of the ductwork. Our crews know these foothill homes well: the long attic runs, the crawlspaces, the oak leaves packed into return ducts after a Santa Ana wind. If you’re noticing dust settling on furniture within days of cleaning, or rooms that never quite reach temperature, the ducts are usually part of the story. Call (626) 469-5477 and we’ll give you a written price before any work begins.
Why Hollis Air Duct Pasadena Is La Cañada Flintridge’s Preferred Air Duct Cleaning Company
Hollis Air Duct Pasadena operates under The Garrison Standard: arrive inside the quoted window, price it in writing before touching anything, complete the job by the book, and leave the site clean. Every technician is background-checked and uniformed. You know who’s walking into your home before they arrive, which matters when the job requires attic access off Foothill Boulevard or a crawlspace entry behind a mid-century custom home.
Roy Castellanos leads our crews, and the 365-Day Done Right Promise is his accountability on every job. If the work fails within a year, we return at no charge. That includes a free second visit if dust reappears or airflow drops in zones we cleaned. La Cañada Flintridge homeowners have learned that the lowest bid usually means a truck-mounted vacuum that never touches the return side or the attic plenum. We price honestly once, and it doesn’t move.
For a full look at what we do, see our Air Duct Cleaning hub page.
Styles & brands we work with




Residential Air Duct Cleaning in La Cañada Flintridge
Residential Air Duct Cleaning in La Cañada Flintridge means dealing with what decades in a foothill home leave behind: construction debris from original builds, fine wildfire ash, pollen, and leaf fragments that settle into long duct runs. Most homes here were built between the 1950s and 1990s, and many have multi-zone systems with ducts running through attics and crawlspaces that saw little attention for thirty or forty years. A standard single-zone clean runs $425 – $525. Multi-zone custom homes with long attic runs typically run $550 – $685.
What a Full System Clean Covers
We clean supply ducts, return ducts, the air handler cabinet, and both plenums. The process pairs a Rotobrush rotary brush system with a Nikro negative-air machine so the debris we dislodge is captured by HEPA filtration, not pushed into the house. When we’re done, the return path moves air as it should.
Video Inspection Before and After
Every residential job includes camera inspection of the main trunk lines. We look for disconnected joints, crushed sections, and debris blocking the first few feet of the return. You see the before-and-after footage of your own ducts, which answers the question of whether the work was actually done.
Commercial Air Duct Cleaning in La Cañada Flintridge
Commercial Air Duct Cleaning in La Cañada Flintridge serves the small offices, medical suites, and retail spaces along Foothill Boulevard and the commercial pockets near Town Center. These buildings often share duct runs between suites, which means dust from one tenant’s space moves into another’s. A small commercial space with a single rooftop unit runs $600 – $900. Larger multi-zone commercial jobs are quoted after a walkthrough, always in writing before work starts.
Return Duct and Supply Duct Work
Commercial systems run longer hours than residential ones, so return ducts load up with paper dust, carpet fiber, and whatever the foot traffic brings in. We clean both supply and return sides, and camera-inspect the full run before we call it done.
Documented Work for Property Managers
Property managers and facility contacts receive photo documentation of every access point we open and close. That matters when a tenant asks what was actually done, or when an owner wants proof the maintenance line item was real work, not a line on an invoice.
Trusted Brands We Service in La Cañada Flintridge
We service whatever system your La Cañada Flintridge home already has, including equipment built around Honeywell and Aprilaire filtration. Our crews run Rotobrush rotary brush systems and Nikro negative-air machines, which are the same tools commercial duct cleaning crews use. If your system has an Aprilaire media cabinet or a Honeywell electronic air cleaner, we’ll clean the cabinet and check the filter condition while we’re there. We explain what your system needs in plain terms, not a parts catalog.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in La Cañada Flintridge Homes
- Crushed or disconnected ducts in crawlspaces. Older homes with redwoods and oaks nearby often have supply runs damaged by roots, fallen limbs, or original construction. A crushed run starves bedrooms of airflow, and no amount of cleaning fixes that until it’s repaired and sealed.
- Leaf and ash plugging in return ducts. Homes with an oak or eucalyptus near the return intake load leaves into the first few feet of the return path. After a Santa Ana wind event, that debris also carries fine ash that bypasses the filter and re-enters living space.
- Decades of construction debris in long attic runs. 1950s through 1990s custom homes often have original drywall dust, wood scraps, and insulation fragments sitting in duct runs. Rotary brush agitation plus negative-pressure extraction is the only way to pull it out.
- Duct joints that open over time. Temperature swings in attics and crawlspaces work duct joints loose. An open joint pulls in fiberglass insulation and unfiltered attic air. Mastic sealing at every accessible joint is the fix that makes the clean last.
Pricing for Air Duct Cleaning in La Cañada Flintridge, CA
A single-zone La Cañada Flintridge home runs $425 – $525 for a complete clean including supply and return ducts, plenums, and air handler cabinet. A multi-zone custom home with long Attic runs typically runs $550 – $685. If camera inspection reveals crushed or disconnected ducts, mastic sealing or duct replacement is quoted as a separate line item before we proceed. You’ll never get a number that changes once our technician is inside. The price is written before work starts, and it’s the price you pay. Call (626) 469-5477 for a free estimate, and we’ll talk through your system over the phone or schedule a walkthrough.
We Also Serve Cities Near La Cañada Flintridge
Our crews serve La Cañada Flintridge directly, and we regularly work in Pasadena, Glendale, Burbank, and Downtown Los Angeles. The duct problems change as you move down the hill: smog-heavy buildup in Pasadena versus leaf and ash loading up here in the foothills. The standards don’t change.
Serving La Cañada Flintridge, CA - Our Local Coverage Area
We’re based in the La Cañada Flintridge 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 La Cañada Flintridge
Within two to four weeks is reasonable for most homes, but if you have oak or eucalyptus near the return intake, have it inspected sooner. Fine ash and leaf fragments settle into the duct system within days and start recirculating every time the blower runs. Call (626) 469-5477 and we’ll walk through what you’re seeing before you commit to a clean.
Yes, and here’s why. Pasadena homes accumulate smog-heavy dust, but La Cañada Flintridge homes load up with dry oak leaf litter, eucalyptus bark, and wildfire ash that sifts into return ducts through attic seams and crawlspace gaps. The material is different, which changes how often you need the work. Most foothill homes benefit from a clean every three to five years, especially after heavy wind seasons. For an exact assessment, call (626) 469-5477.
Disconnected joints in attics and crawlspaces, usually where the original metal or flex duct meets the boot or the plenum. Temperature swings over forty years work those connections loose, and then the system pulls in whatever is in the attic or crawlspace. The fix is mastic sealing at the joint, and we quote it as a separate line item before any work begins.
Yes, because the debris we’re pulling out isn’t just allergens. It’s construction dust, ash, leaf particles, and sometimes fiberglass insulation. Without HEPA-filtered negative pressure, that material gets blown into living space during the cleaning itself. Our Nikro negative-air machines capture what the Rotobrush dislodges, and that’s the only method we use in La Cañada Flintridge homes.
Yes, and it happens faster here than anywhere else in the San Gabriel Valley. A return register near an oak or eucalyptus will pull leaves into the first few feet of the duct path within one or two seasons. In a 1970s custom home off Angeles Crest Highway, our crew found a supply duct crushed by a fallen redwood limb and a disconnected attic joint pulling in fiberglass insulation. We repaired the run, sealed both joints with mastic, and then completed the clean. Call (626) 469-5477 for an estimate on your system.
Roy Castellanos and the Hollis Air Duct Pasadena team serve La Cañada Flintridge with written prices, background-checked technicians, and the 365-Day Done Right Promise. Call (626) 469-5477 for a free estimate.
Written by Roy Castellanos, Owner at Hollis Air Duct Pasadena, serving La Cañada Flintridge under The Garrison Standard.