Air Duct Cleaning in Pasadena - One Flat Price, Before-and-After Photos

Air Duct Cleaning in Pasadena, CA

Air duct cleaning in Pasadena typically runs $350-$650 for a full residential system, with most homes completed in a single visit with camera verification before and after. Bellows Air Duct & Vent Co. dispatches crews to Pasadena from our Los Angeles office, and our technicians know the difference between a quick vacuum job and the thorough clean these homes actually need - especially after what this city has been through. Call (855) 401-6006 for upfront pricing and scheduling.

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Why Pasadena Homes Are Different

Pasadena sits in a geographic bowl at the mouth of the San Gabriel Valley, directly beneath the San Gabriel Mountains. This position traps wildfire ash, smoke, and particulates every fire season with an intensity no neighboring foothill city matches. The January 2025 Eaton Fire burned through adjacent Altadena and northeast Pasadena, and our technicians have since pulled black, greasy ash deposits from return-air plenums in homes that never lost power and never smelled smoke inside.

The housing stock compounds the problem. Pasadena contains one of the densest concentrations of 1910s-1930s Craftsman bungalows in the country, particularly in the Bungalow Heaven Historic District, where central HVAC was retrofitted decades after original construction - typically running flex duct through low, narrow attic cavities with aging sheet-metal trunk lines that accumulate heavy debris and resist standard equipment.

Air Duct Cleaning in Pasadena

Residential air duct cleaning in Pasadena demands more than standard equipment. The 1910s-1930s Craftsman bungalows in Bungalow Heaven and surrounding 91103 and 91104 ZIP codes were built before central HVAC existed, and decades later contractors retrofitted flex duct through spaces never designed for it. We use flexible-drive Rotobrush systems and targeted HEPA extraction to pull buildup from those constrained cavities without damaging original structure. Most residential cleans in Pasadena run $350-$650 and finish in one visit.

Residential Duct Cleaning

Pasadena’s retrofitted Craftsman attics present a specific challenge: debris accumulates where standard brushes cannot reach. In Bungalow Heaven, we’ve extracted buildup from flex duct runs compressed between original roof rafters and later-added framing, using compact equipment built for clearances under 34 inches. Every residential job includes camera documentation so you see what came out. Air Duct Cleaning details our full process.

Post-Fire Ash Decontamination

After the January 2025 Eaton Fire, we developed a specific protocol for Pasadena’s unique contamination profile. The ash is black, greasy, and fine-particulate - it clings to duct walls and resists standard brushes. We extend HEPA extraction cycles and verify removal with repeated camera passes, not assumptions. Full system cleaning with video documentation runs $550-$750; standalone video inspection for concerned homeowners is $199-$299.

Do I need duct cleaning if my Pasadena home never smelled smoke during the Eaton Fire?

Yes. The negative pressure of a running air handler pulls fine combustion particles through gaps in aging duct systems, and homeowners are often unaware their ducts are contaminated until a cleaning reveals the buildup. We’ve found black, greasy ash in return plenums of 91103 and 91104 homes that never lost power. Call (855) 401-6006 for a video inspection - estimates are free.

Dryer Vent Cleaning in Pasadena

Dryer vent cleaning in Pasadena typically costs $149-$289 for a standard single-story home, with most jobs completed in under two hours. The same geographic bowl that traps wildfire ash in your ducts also loads your dryer vent with fine particulate that standard lint traps never catch - and in Pasadena’s older housing stock, vent runs are often longer and more convoluted than modern codes allow.

Vent Cleaning & Lint Removal

We remove lint and ash residue with professional-grade Rotobrush and Nikro equipment, then verify the clean with a second camera pass. In Pasadena, we regularly find black, greasy ash deposits mixed with lint - residue from wildfire seasons pulled through gaps by dryer negative pressure. A vent that looks clear from the outside can be half-blocked inside. We measure airflow before and after to prove the difference. Standard dryer vent cleaning runs $149-$289.

Vent Rerouting

Many Pasadena homes have vent runs that are too long, too twisted, or routed through spaces that made sense in 1950 and make none today. In a 1925 Craftsman on Arroyo Terrace, we found a dryer vent routed through a low attic with a mid-century flex duct retrofit - the hidden 40-foot run had collapsed at a joint, creating a fire hazard. We rerouted through an exterior wall and installed a new bird guard. Vent rerouting in historic Pasadena properties runs $289-$479.

Why does my dryer take multiple cycles even with a clean lint trap?

The blockage is almost always in the vent run, not the trap. In Pasadena’s older homes, we find collapsed flex duct, lint packed in long runs, or ash-contaminated buildup that restricts airflow. A clear trap with a blocked vent is the most common call we get. Camera inspection confirms it in minutes. Call (855) 401-6006 for a free estimate.

HVAC Cleaning in Pasadena

HVAC cleaning in Pasadena typically runs $280-$650 for a full system clean, with most jobs completed in a single visit. Summer temperature inversions press LA Basin pollution against the San Gabriel foothills, and your system cycles that particulate-laden air at higher rates than cities just a few miles west in the open basin - while Santa Ana winds blast desert dust and wildfire ash directly from the northeast.

Evaporator Coil Cleaning

The evaporator coil is where Pasadena’s trapped smog and wildfire particulate do their worst damage. A dirty coil cuts efficiency by 30% or more and becomes a breeding ground for mold in humid winter months. We remove the coil assembly when accessible, clean with foaming agents that won’t corrode aluminum fins, and verify airflow restoration with camera documentation. Most evaporator coil cleanings in Pasadena run $180-$340.

Blower Cleaning

The blower motor and squirrel cage collect everything your filter misses - fine ash, desert dust, and pollen compressed into an imbalanced, inefficient mass. In northeast Pasadena homes affected by the January 2025 Eaton Fire, we’ve found blowers caked with black, greasy residue that standard brush cleaning won’t touch. We disassemble the housing, clean each blade individually, and balance before reinstallation. Blower cleaning typically runs $220-$380. HVAC Cleaning covers our full scope.

How does wildfire ash affect my HVAC system if I didn’t smell smoke?

Your air handler’s negative pressure pulls fine particulates through gaps and seams invisible to you, and particles smaller than 2.5 microns bypass your sense of smell entirely. In northeast Pasadena, we’ve cleaned homes where occupants never detected smoke odor yet our cameras revealed black, greasy ash deposits coating return-air plenums. Call (855) 401-6006 for a camera inspection.

Duct Repair & Sealing in Pasadena

Duct repair and sealing in Pasadena typically costs $280-$650 for most residential jobs. Leaky ducts are the silent thief of older homes here - in Bungalow Heaven, we’ve found retrofitted central HVAC systems losing 25-35% of conditioned air through gaps in sheet-metal trunk lines that were never properly sealed when installed decades after the house was built.

Mastic Sealant Application

Our mastic sealant targets leaks with a brush-on or injector-applied compound that remains flexible for years, unlike tape that dries and peels in Pasadena’s temperature swings. We use compounds from Abatement Technologies and Nikro, rated for Los Angeles Title 24 energy standards. A typical mastic sealing job runs $280-$450 for a single system, and we verify the seal with pressure testing and camera documentation.

Metal Duct Repair

Pasadena’s 1910s-1930s Craftsman homes present original sheet-metal ducts now 60-90 years old, often retrofitted through attics with clearances too low to crawl through. In Bungalow Heaven, many trunk lines run between original roof rafters and later-added drywall, requiring carefully placed access panels. We repair corroded sections, reseal separated joints, and reinforce sagging supports. Metal duct repair typically ranges from $350-$620. Duct Repair & Sealing covers all our repair services.

Can my 1920s Craftsman ducts be repaired, or do they need full replacement?

Most 1920s sheet-metal ducts in Pasadena can be repaired if the metal hasn’t corroded through. We camera-inspect the full run to check structural integrity, then seal separable joints with mastic and reinforce sagging sections. Full replacement becomes necessary only when rust has perforated the metal or previous repairs have compromised the duct’s shape. Call (855) 401-6006 for a free inspection.

Air Quality & Sanitizing in Pasadena

Air quality and sanitizing service in Pasadena typically runs $280-$650 for residential duct cleaning with sanitizing, with most jobs completed in a single visit. If your home sits in the San Gabriel Valley bowl beneath the mountains, your ductwork is pulling in more particulate than homes just a few miles west - and after the Eaton Fire, that particulate includes combustion byproducts that standard cleaning protocols may not address.

Mold Treatment

Pasadena’s combination of older homes with poor attic ventilation and post-fire moisture intrusion creates conditions where mold establishes in ductwork within 48-72 hours of water exposure. In Bungalow Heaven, we’ve treated mold in 1980s flex duct installed through crawl spaces that never had proper moisture barriers. Our mold treatment runs $340-$580 for residential systems, using EPA-registered products applied with controlled fogging equipment.

Bacteria Sanitizing

Bacteria sanitizing addresses the biofilm that builds where ash particulate and moisture combine. After the Eaton Fire, we saw elevated bacterial loads in homes that had wet ash pulled into their systems during Santa Ana wind events. Bacteria sanitizing costs $180-$320 as a standalone treatment, or $120-$200 when bundled with duct cleaning. We use hospital-grade sanitizers from Abatement Technologies with mechanical agitation to break surface tension on duct walls. Air Quality & Sanitizing details our full treatment options.

Should I install UV lights after a fire event to prevent mold?

UV-C lamps help prevent mold and bacterial growth on your evaporator coil and in your return plenum, but they are a secondary defense after thorough cleaning, not a replacement for it. In Pasadena’s post-fire environment, we recommend completing source removal and sanitizing first, then sizing a UV system to your air handler’s CFM rating. Installation runs $420-$680. Call (855) 401-6006 to discuss your system.

Brands We Service in Pasadena

We clean systems from all manufacturers and stock professional-grade Rotobrush agitation equipment, Nikro HEPA vacuum systems, and Honeywell and Aprilaire replacement parts on our trucks. This matters in Pasadena because aging systems need components that are no longer standard inventory for generalist contractors, and our 42-year supplier relationships mean we can source parts without extended delays. See our brands for the full list.

Pricing for Air Duct Cleaning in Pasadena, CA

Neighborhoods We Serve in Pasadena

We work across Pasadena’s full range of housing stock, from historic districts to foothill edges. Most calls are scheduled within 24-48 hours.

• Bungalow Heaven (91103/91104) - Dense Craftsman concentration with retrofitted flex duct in tight attics
• Madison Heights - Mixed-era homes with aging trunk lines and multiple system modifications
• Eaton Canyon / northeast Pasadena (91107) - Mid-century ranches with original ductwork now 50-70 years old
• Old Town adjacent - Commercial and mixed-use buildings with rooftop package units
• Arroyo Terrace - Historic 1920s homes with complex vent routing and original structural elements

Service Area - Cities Near Pasadena

Our crews serve Pasadena, CA locally, with dispatch coordinated from our Los Angeles office. We also work in South Pasadena, CA, San Marino, CA, Altadena, CA, East Pasadena, CA, and Alhambra, CA. If you’re unsure whether your address falls within our service radius, call (855) 401-6006 and we’ll confirm directly.

FAQs About Air Duct Cleaning in Pasadena