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.
Fast, Reliable Air Duct Cleaning Across East Palo Alto
Air duct cleaning in East Palo Alto typically runs $450 – $850 for a full residential system, with most jobs completed in a single visit. Our crews serve East Palo Alto from our San Francisco Bay Area dispatch office, and we regularly work the ranch-style neighborhoods off Weeks Street, Pulgas Avenue, and the University Village area.
We’ve been in this trade since 2004, and East Palo Alto’s conditions are unlike anywhere else in the Bay Area. The city’s single-story ranch homes, many built from the 1940s to 1960s, sit downwind of the Santa Cruz Mountains wildfire corridor. That geography means smoke and ash infiltration isn’t a rare event; it’s a recurring maintenance problem. Our Air Duct Cleaning team knows these houses: original ductwork, unsealed attic runs, wood stoves that load the system with fine particulate. We don’t just vacuum registers and leave. We inspect with cameras, seal leaks first, then clean under negative pressure with HEPA filtration. Call (361) 326-5060 for a free estimate.
Why Hollis Air Duct Cleaning Is East Palo Alto’s Preferred Air Duct Cleaning Company
East Palo Alto homeowners call us back because we show up inside the window, price the job in writing before touching anything, and leave the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates, including ours serving East Palo Alto.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. The price we write down is the price you pay; it does not move at the door. Every job carries our 365-Day Done Right Promise: if the work fails within a year, we return and make it right at no charge, including a free second visit.
Phones are answered by a live person 24 hours a day, seven days a week. No voicemail loops, no callback queues, no waiting until Monday morning to schedule. For Air Duct Cleaning in East Palo Alto, that responsiveness matters when you’re dealing with smoke odor or blower strain after a wildfire event.
We were called to a 1958 ranch off Weeks Street where the homeowner ran a wood stove and the original attic ducts had visible smoke staining at the registers. Our tech used camera inspection and agitation tools under negative pressure with HEPA filtration, then sealed the duct leaks before cleaning the air handler and blower motor. After we replaced the MERV rating filter with a higher-efficiency one, the visible ash in the supply and return ducts dropped sharply and the smoke odor was gone.
Air Duct Repair in East Palo Alto
Air Duct Repair in East Palo Alto addresses the disconnected, collapsed, or leaking duct runs we find in nearly every older ranch home we inspect. These 1940s-to-1960s systems weren’t built for modern blower pressures or wildfire smoke loads. Seams separate, fiberglass liner degrades, and unsealed attic ducts pull contaminated air directly into living spaces. Repair costs in East Palo Alto typically range from $350 – $750 for sectional repairs, or $1,200 – $2,500 for more extensive reconfiguration of attic trunk lines.
Leak Sealing Before Cleaning
We seal first, then clean. In East Palo Alto’s wildfire corridor, cleaning without sealing is temporary at best. We apply duct sealing mastic to joints and seams, then test with a smoke pencil to verify the envelope holds. Only then do we run rotary brushes and negative-air extraction.
Collapsed Duct Replacement
Camera inspection in low-clearance single-story ranch crawls often reveals collapsed flex duct or disconnected boots. We replace with insulated flex or rigid metal as appropriate, sized to the original Manual D calculations. The blower motor stops straining. Airflow balances. Temperatures even out room to room.
Ductwork Cleaning in East Palo Alto
Ductwork Cleaning in East Palo Alto removes the accumulated dust, pollen, ash, and debris that settles in supply and return lines through seasons of wildfire smoke, wood heat, and dry summer dust. A full system cleaning for a typical East Palo Alto ranch home runs $450 – $850, depending on duct count, accessibility, and contamination level. We use Rotobrush rotary brush systems and Nikro negative-air machines, the same equipment commercial crews run, with HEPA filtration on every job.
Wood Stove and Ash Loading
Wood heat leaves fine ash that embeds in duct liner. Homeowners don’t notice until the first hot day, when the blower motor strains against restricted airflow. We agitate that ash loose with rotary brushes, extract under negative pressure, and inspect the blower wheel for buildup that recirculates debris.
Register-to-Air Handler Service
We clean the full pathway, not just visible registers. The return duct, air handler cabinet, blower motor, and supply trunk all get attention. Skipping any section leaves a reservoir that recontaminates the system within weeks, especially with East Palo Alto’s dust loading from open land and unpaved roads.
Trusted Brands We Service in East Palo Alto
We stock filters, media, and sealing materials from Honeywell, Aprilaire, and Abatement Technologies for East Palo Alto customers, so most jobs need no waiting on parts. Honeywell electronic air cleaners and media filters handle high particulate loads well. Aprilaire whole-house media cabinets fit the return plenums common in 1950s ranch construction. Abatement Technologies HEPA filtration integrates with our negative-air machines for smoke and ash jobs. When we recommend a MERV upgrade after cleaning, we have the cabinet on the van.
Common Air Duct Cleaning Problems We See in East Palo Alto Homes
- Cleaning without sealing attic duct leaks first. Wildfire smoke and ash are drawn back in from the Santa Cruz Mountains corridor during the next event. We seal, then clean, then verify with pressure testing.
- Overlooking wood-heat creosote and ash loading in ducts. The system appears to run fine until the first hot day when the blower motor strains. Camera inspection reveals what airflow tests miss.
- Using a truck-mounted vacuum only on visible registers. This leaves the lint pathway in the air handler and return ducts untouched, so dust and pollen from open land and unpaved roads recirculate.
- Skipping camera inspection in low-clearance single-story ranch crawls. We find collapsed or disconnected duct runs that reduce airflow and trap debris in spaces no homeowner can access.
Pricing for Air Duct Cleaning in East Palo Alto, CA
Residential duct cleaning in East Palo Alto typically costs $450 – $850 for a full system, including supply ducts, return ducts, air handler, and blower motor. Duct sealing adds $350 – $750 for sectional work, or $1,200 – $2,500 for extensive attic trunk repair. Dryer vent cleaning runs $150 – $250 when bundled with duct service.
What moves the price: duct count and layout, accessibility of attic or crawl space, contamination level from smoke or wood heat, and whether sealing is required before cleaning. We inspect first, write the price down, and get your approval before any work starts. One flat price per system. No per-vent pricing, no add-ons at the door.
Before-and-after photos of your own ducts are included. You’ll see what came out, what the camera saw, and what the sealed system looks like. Estimates are free. Call (361) 326-5060.
We Also Serve Cities Near East Palo Alto
Our crews also handle jobs in Los Angeles, San Diego, San Jose, and San Francisco. Scheduling and dispatch are coordinated from our San Francisco Bay Area office, with local technicians serving each metro area.
Serving East Palo Alto, CA - Our Local Coverage Area
We’re based in the East Palo Alto 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 East Palo Alto
Every 2 – 3 years for homes with wood stoves and original ductwork, or annually if you’ve had significant wildfire smoke exposure. The combination of fine ash, dust from open land, and leaky attic ducts accelerates buildup beyond what newer, sealed systems experience. Call (361) 326-5060 to schedule an inspection and we’ll tell you what your system actually needs.
The smoke odor persists because unsealed attic ducts are pulling new contamination from the Santa Cruz Mountains corridor, or because the cleaning skipped the air handler and blower motor where ash embeds in the wheel. We seal leaks first, then clean the full pathway including blower assembly, and upgrade filtration. Call (361) 326-5060 for an assessment.
Yes. Cleaning without sealing is temporary in East Palo Alto’s wildfire corridor. We apply mastic sealant to joints and seams, verify with smoke testing, then proceed with rotary brush agitation and negative-air extraction. The seal-first sequence is what makes the cleaning last. Call (361) 326-5060 for a free estimate.
Expect significant ash loading in the return duct and blower motor, possible disconnected or collapsed runs in the crawl space, and unsealed attic boots that pull contaminated air. We camera-inspect first, quote repairs and sealing separately from cleaning, and proceed only with your written approval. Most 1950s ranch systems in East Palo Alto need $650 – $1,400 for cleaning plus sealing to resolve smoke and odor issues. Call (361) 326-5060 to schedule.
MERV 13 – 16 pleated media for wildfire season, stepped down to MERV 11 in cleaner months to reduce blower strain on older systems. We stock Honeywell and Aprilaire cabinets that fit standard return plenums and can upgrade your filter slot during the cleaning visit if the ductwork is sealed enough to handle the pressure drop. Call (361) 326-5060 to discuss your system.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving East Palo Alto and the Bay Area since 2004.




Before
After
Before
After
Before
After