Whole-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.
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After
Before
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Before
AfterAir Duct Cleaning Company in Altadena, CA
Altadena air duct cleaning runs on a different schedule than most towns. The 2020 Bobcat Fire burned to the northern edge of town, and every Santa Ana wind season since has pushed wildfire smoke and ash into duct systems here. We clean ducts in Altadena homes that pull air straight from wildfire-exposed foothills, through pre-1940s ductwork that was never built for filtration. Call us at (361) 326-5060 for a free estimate.
Why Altadena Homes Are Different
Altadena sits hard against the San Gabriel Mountains, and that terrain shapes every job we do. The hot, dry inland climate and extreme Santa Ana wind events, gusts over 80 mph funneling through north-facing canyons, drive both dust accumulation and wildfire risk. Flex duct connectors dry-rot and crack faster here than in coastal towns.
The housing stock compounds the problem. Most Altadena homes were built between 1910 and 1955, true Craftsman bungalows, Spanish Revival, and post-war ranch houses with original gravity furnaces or early forced-air conversions retrofitted into basements and crawlspaces. The duct runs are undersized, leaky, unsealed sheet-metal or flex, added to piecemeal over decades. Many sit on raised foundations with accessible crawlspaces, which our technicians navigate to reach original duct chases. Homes north of Altadena Drive, bordering the Angeles National Forest, often have exterior attic ductwork exposed to ember-laden winds, making attic duct inspection a frequent add-on that urban Pasadena jobs rarely need.
After a nearby fire, foothill neighborhoods routinely schedule cleaning within days, not on a spring calendar. We regularly find ash and fine char in supply registers after red flag warnings.
Our Main Altadena Services
Altadena homeowners call us most often for these three jobs, each shaped by the town’s foothill conditions and older housing stock.
Air Duct Cleaning in Altadena
We clean supply and return duct runs using a rotary brush system and negative-air method, pulling loosened debris out rather than pushing it deeper. In Altadena, this means addressing wildfire ash and char particulate that standard dust cleaning misses, especially in homes north of Altadena Drive that pull air directly from fire-exposed terrain. We inspect flex duct for heat and ember damage while we’re in the system. Air Duct Cleaning in Altadena
Dryer Vent Cleaning in Altadena
Dryer vent blockages are a fire hazard anywhere, but in Altadena the risk climbs with Santa Ana winds and dry conditions that accelerate lint buildup. We run a rotary brush through the full vent line to the exterior termination, check for proper airflow, and verify the vent cap seals against wind-driven embers. Many older Altadena homes have long vent runs through crawlspaces or attics that need sectional cleaning. Dryer Vent Cleaning in Altadena
Duct Sealing in Altadena
Leaky ducts in Altadena lose conditioned air into hot attics and vented crawlspaces, and they pull wildfire smoke in on the return side. We seal joints and seams with mastic and metal-backed tape, then pressure-test the system. For homes with exterior attic ductwork exposed to ember-laden winds, sealing is often the difference between controlled indoor air and smoke intrusion during fire season. Duct Sealing in Altadena
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Altadena
We stock parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies, with Rotobrush rotary brush systems on every van. Most common components are available same-day; specialty orders typically arrive within 48 hours. See our brands for the full roster.
Pricing for Air Duct Cleaning Company in Altadena, CA
| Service | Typical range in Altadena |
|---|---|
| Whole-house air duct cleaning (single system) | $450 – $750 |
| Whole-house air duct cleaning (two systems) | $750 – $1,100 |
| Dryer vent cleaning (standard through-wall) | $150 – $250 |
| Dryer vent cleaning (long run through attic/crawlspace) | $250 – $400 |
| Duct sealing (Aeroseal or mastic, single system) | $1,200 – $2,500 |
| Duct sealing (manual mastic, spot repair) | $400 – $800 |
| Attic duct inspection and photo documentation | $150 – $250 |
| Wildfire smoke/ash remediation cleaning | $650 – $950 |
| Register and grille deep cleaning (per unit) | $25 – $45 |
| HVAC blower compartment cleaning | $150 – $250 |
Prices in Altadena run toward the higher end of these ranges when crawlspace access is tight, ductwork is original to a 1920s home, or wildfire ash has bonded to duct interior surfaces and requires extended contact time. The price we write down before any work starts is the price you pay. No per-vent add-ons, no equipment fees that appear after we’re inside.
Neighborhoods We Serve in Altadena
We work across Altadena’s full footprint, from the lower foothills to the southern edge at the Pasadena border. Dispatch and scheduling are coordinated from our Los Angeles office; crews serve Altadena locally and typically arrive inside the quoted window.
- La Vina
- The Meadows
- Farnsworth Park area
- Christmas Tree Lane district
- Altadena Heights
Service Area – Cities Near Altadena
Our crews cover the full San Gabriel Valley foothill corridor. We regularly work in Pasadena, MD (note: this is our Maryland location), San Marino, CA, Sierra Madre, CA, and South Pasadena, FL (our Florida location), plus the California cities immediately surrounding Altadena proper.
Serving Altadena, CA - Our Local Coverage Area
We’re based in the Altadena 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 Company in Altadena
No permit is required for routine duct cleaning or dryer vent cleaning in unincorporated Los Angeles County, which governs Altadena. Duct sealing that involves modifying or replacing duct runs may trigger a permit if structural access is altered; we flag this during the upfront inspection and handle the paperwork if needed. Call (361) 326-5060 to discuss your specific job.
We prioritize Altadena foothill calls after active fire events, typically scheduling within 48 to 72 hours when air quality advisories are in effect. Our phones are answered by a live person 24 hours a day, 7 days a week, so you’re not waiting in a callback queue while ash settles deeper into your system.
Yes. We work in Altadena neighborhoods bordering the forest, including properties with exterior attic ductwork and long crawlspace runs. These jobs require additional safety protocols for ember-damaged flex duct and often include attic inspection as part of the standard scope.
Ready for a written price before any work starts? Call Hollis Air Duct Cleaning at (361) 326-5060 for your free Altadena estimate. Every job carries our 365-Day Done Right Promise in writing.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Altadena Customers Say
"No sales pitch. Told me which parts of the system were fine and only cleaned what needed it."
- Ted L."They checked each section with a camera and showed me the dust before and after. Thorough and honest."
- Nicole H."Duct sealing along with the cleaning cut our summer bill. Straight talk and fair price."
- Gwen O.