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

Fast, Reliable Air Duct Cleaning Across Cotati

Air duct cleaning in Cotati typically runs $350 – $650 for a full residential system and $800 – $2,400 for commercial jobs, with most homes completed in a single morning. We dispatch crews from our San Francisco Bay Area office and serve Cotati properties directly, from the historic cottages clustered around the downtown hexagon to the newer subdivisions off West Sierra Avenue. Our technicians know the difference between a 1930s metal octopus duct in a crawlspace off Old Redwood Highway and a 1990s flex-duct run in Rancho Cotate, and they bring the right equipment for each. Call (361) 326-5060 for a free written estimate before any work begins.

Call (361) 326-5060

Why Hollis Air Duct Cleaning Is Cotati’s Preferred Air Duct Cleaning Company

We’ve been part of the Garrison Partners family since 2004, and our Cotati customers know the difference that operational discipline makes. Our Air Duct Cleaning team arrives inside the quoted window, prices every job in writing before touching equipment, and leaves the site clean. That’s The Garrison Standard, and it’s how we work in Cotati.

Our local reputation here rests on specifics, not slogans. We know that Cotati’s coastal fog belt creates a daily dew-and-dry cycle that pushes fine particulate into every mastic joint and return grille, so we target winter pollen and dust buildup before the heating season starts. We know the cypress and eucalyptus pollen load in this 2.5-square-mile town is heavier than what you’ll find across the highway in Rohnert Park. And we know that a technician working downtown needs to finish before afternoon fog makes the crawlspace too wet to work in, while Rancho Cotate flex-duct jobs go better on hot August mornings when the plastic is pliable.

Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday. When you call (361) 326-5060, you speak to someone who can schedule your Cotati appointment and confirm your written price.

Residential Air Duct Cleaning in Cotati

Residential Air Duct Cleaning in Cotati covers the full supply and return network in single-family homes, townhouses, and duplexes, from the register back to the air handler. A typical Cotati home runs $350 – $650 depending on system size, duct material, and accessibility. Older cottages near La Plaza Park often have original metal ducting in open crawlspaces that clean quickly with rotary brush systems; newer Rancho Cotate homes with flex-duct runs take more care to avoid tearing the soft plastic. We use Rotobrush rotary brush systems for light-to-moderate buildup and Nikro negative-air machines for heavier accumulations, always matching the tool to the duct type.

Supply Duct Cleaning

Supply ducts carry heated or cooled air to your rooms, and in Cotati they often show the first signs of blockage because the positive pressure forces debris against register grilles. We remove each vent cover, agitate the duct walls with a rotary brush or compressed air whip, and extract loosened material with a negative-air collector. You’ll see before-and-after photos of your own ducts before we pack up.

Return Duct Cleaning

Return ducts pull air back to the handler, and in Cotati’s pollen-heavy environment they act like large vacuum intakes for cypress debris, dust, and pet dander. These runs are typically larger and dirtier than supply lines, so we spend extra time here and verify flow improvement with a visual check. If your return plenum shows mold staining from the damp morning fog cycle, we’ll flag it and recommend Duct Sealing in Cotati to stop the moisture intrusion.

Commercial Air Duct Cleaning in Cotati

Commercial Air Duct Cleaning in Cotati serves restaurants along Old Redwood Highway, medical offices near the 101 corridor, retail spaces in the La Plaza shopping area, and small industrial units off West Sierra. Commercial systems run $800 – $2,400 depending on square footage, duct complexity, and whether the job requires after-hours scheduling to avoid disrupting business. We use Nikro negative-air machines and Abatement Technologies HEPA filtration to contain debris during cleaning, and we coordinate with Cotati’s permit requirements when access panels must be cut into hard ductwork.

Kitchen Exhaust and Grease Duct Integration

Restaurants in Cotati’s compact downtown often share building HVAC with kitchen exhaust systems, and grease migration into supply ducts is a fire code issue as much as an air quality one. We coordinate with your hood cleaning contractor and document our work for fire marshal inspections, including photo logs of interior duct conditions.

After-Hours and Weekend Scheduling

Most Cotati commercial tenants prefer us to work evenings or Saturdays to avoid customer disruption. We schedule these slots in advance, arrive with the full crew needed to finish in one visit, and leave no equipment behind. Your written price is locked before we start, and the 365-Day Done Right Promise applies to commercial work exactly as it does to residential.

Trusted Brands We Service in Cotati

Our equipment roster includes Rotobrush rotary brush systems for residential duct agitation, Nikro negative-air machines for commercial and heavy-residential extraction, and filtration products from Honeywell, Aprilaire, and Guardsman. We stock common replacement components for these brands at our Bay Area warehouse, so Cotati customers aren’t waiting on shipped parts for filter upgrades or register replacements. If your system uses Aprilaire media filters or Guardsman UV components, we can source and install matching units without a second trip. We also handle Dryer Vent Cleaning in Cotati using the same professional-grade extraction equipment, and we often bundle both services for homes in the west-side subdivisions where laundry rooms share walls with HVAC closets.

Common Air Duct Cleaning Problems We See in Cotati Homes

• Pollen compaction in return grilles. Cotati’s heavy seasonal cypress and eucalyptus pollen load creates a fine organic dust that standard fiberglass filters miss. It packs into return grille louvers and the first few feet of duct behind them, restricting airflow before the filter even loads up.
• Flex-duct collapse in Rancho Cotate subdivisions. The 1980s – 2000s tract homes used cheap flex duct that sags, tears, or collapses at bends after decades of thermal cycling. We find these failures during video inspection and recommend repair or replacement before cleaning pressurizes the damaged section.
• Moisture staining from coastal fog intrusion. Cotati’s daily dew-and-dry cycle pushes humidity through poorly sealed duct seams, especially in crawlspaces that cool overnight. The result is dark streaking on duct exteriors and occasional musty odors at startup, which cleaning alone won’t fix without accompanying Duct Sealing in Cotati.
• Metal duct corrosion downtown. Pre-WWII cottages with original galvanized steel ducting show rust at seams and hanger contact points after 80+ years of coastal moisture exposure. We document these conditions during video inspection and advise when replacement sections are the safer long-term choice.

Pricing for Air Duct Cleaning in Cotati, CA

We Also Serve Cities Near Cotati

Our crews work throughout Sonoma County, including Cotati and neighboring Rohnert Park, Petaluma, Santa Rosa, and Sebastopol. Each community has its own housing stock and climate quirks, and we adjust our approach accordingly. Rohnert Park’s larger post-war ranch homes have different duct layouts than Cotati’s compact cottages; Petaluma’s older east-side Victorians present access challenges we don’t see here. Wherever you are in the county, the same Garrison Standard applies: written price, background-checked uniformed technicians, and work backed for a full year.

FAQs About Air Duct Cleaning in Cotati