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 Redwood City
If you live in Redwood City and the air coming out of your registers smells musty, or the dust on your furniture comes back a day after you wipe it down, the problem is often the ductwork rather than the room. We handle air duct cleaning for homes and businesses throughout Redwood City, from the pre-war bungalows near downtown to the tight lagoon-side houses out toward Redwood Shores. We know how differently ductwork ages on either side of this town. Call (866) 894-2153 for a free estimate.
Why Redwood City Homeowners Call Duct Cleaning San Mateo for Air Duct Cleaning
We’re a duct and vent specialist, not a general HVAC contractor who throws in a cleaning as an upsell. That focus is what Redwood City homeowners tend to notice: the equipment that arrives is contractor-grade Rotobrush rotary brushing and Nikro HEPA-filtered negative-air containment, the same class of gear commercial and remediation crews use. When a technician opens a return and finds a failing joint or a stained plenum liner, we can repair it rather than hand you a phone number for someone else. That’s why we also offer air duct repair as its own service.
Response time into Redwood City is quick from our San Mateo base, and our technicians have up to 10 years of experience reading Peninsula ductwork specifically. Because the work happens under negative pressure with HEPA filtration, we capture what we dislodge instead of blowing it back through the house. Call (866) 894-2153 and we’ll set a time. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Commercial Air Duct Cleaning in Redwood City
Commercial Air Duct Cleaning in Redwood City covers small offices, retail units, and mixed-use buildings where a rooftop or packaged unit serves a whole floor. The job is a full supply-and-return source removal rather than a surface wipe of the grilles, and it’s usually prompted when tenants start complaining about stale air, when a space changes hands, or when a video inspection shows buildup that has been there for years. Commercial work in Redwood City runs roughly $600 to $1,800 depending on the number of systems and how accessible the runs are. Every quote is one flat price per system, agreed in writing before anything starts.
Video inspection before and after
We run a camera through the main trunks and branch runs so you can see the condition of the interior before work begins, and again once it’s done. That record matters for property managers who need documentation of what was found and what was addressed.
Working around occupied space
Commercial jobs usually happen while the unit is occupied, so containment and clean filtration are essential to keeping debris out of the working area. The same Abatement Technologies gear used in contaminant remediation lets us handle spaces where the buildup is worse than routine dust.
Air Duct Cleaning Services in Redwood City
Air Duct Cleaning Services in Redwood City start with a look at what kind of ductwork you actually have, because that decides the approach. In the older 94061 and 94063 bungalows, a technician pulling registers often finds early flexible duct patched and re-taped piecemeal, with disconnected joints and undersized runs bleeding air before it reaches the air handler. Using camera inspection and agitation tools under negative pressure with HEPA filtration, a qualified local pro performs source removal on both supply and return ducts, repairs or re-seals failed joints, and flags any plenum liner staining before it becomes a mildew problem in the bay’s low-drying climate. Residential whole-system cleaning in Redwood City typically runs $350 to $700.
Supply and return runs together
Cleaning only the supply side leaves the return trunk loaded with the same dust, and it pulls straight back through the system. We treat both sides as one job for that reason.

When the ducts need repair, not just a clean
Loose joints and crushed flex runs are common in homes that have been retrofitted over several decades. We can re-seal or replace those sections so the cleaning actually holds.

Trusted Brands We Service in Redwood City
We work with Honeywell and Aprilaire air-quality equipment and know how filtration, humidity control, and serviceable ductwork fit together, so a cleaning visit can lead to an informed recommendation on what comes next. We also run Rotobrush rotary systems and Nikro HEPA negative-air units on the cleaning side. We don’t stock parts or claim a brand partnership; what we offer is familiarity with these systems and a fast turnaround when a filter housing or control needs attention. If you’re weighing a filtration upgrade after a cleaning, ask us and we’ll explain the options plainly.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Redwood City Homes
- Piecemeal-patched flex in pre-war bungalows. In the older central streets of 94061 and 94063, early flexible duct has often been re-taped or spliced by previous owners. Those joints leak, so a source removal that skips re-sealing misses whole branches of the system.
- Damp, salt-laden crawl-space runs near the lagoon. Lagoon-side 94065 homes sit on former wetland, and the crawl-space and garage duct runs collect condensation-stained plenum liners and mildew even when the tightly sealed house looks bone dry. That pattern doesn’t show up on the drier hillside streets toward 94062.
- Outbuilding and long-drive systems on the rural edges. Properties out toward the open land and unpaved lanes around 94062 can go years between cleanings, loading flex runs with road dust and pollen until airflow at the registers drops and the blower motor strains against the restriction.
- Moisture intrusion in the wet months. Redwood City’s wet winters leave ductwork in a damp, low-drying environment, so mildew in flex duct and plenum liners is a recurring concern. Rainy-season moisture drives more indoor-air calls here than summer heat does.
Pricing for Air Duct Cleaning in Redwood City, CA
Whole-system residential duct cleaning in Redwood City typically runs $350 to $700 depending on the number of runs, how accessible the trunk lines are, and whether repairs are needed. A simpler single-system home usually lands near the low end; larger houses with multiple air handlers and long crawl-space runs sit higher. Commercial jobs run roughly $600 to $1,800. We quote one flat price per system, agreed before any work starts, and we don’t price per vent. If we find failed joints or a stained liner, you get a separate repair quote to consider, never an unannounced add-on. The estimate is free, and the written estimate sets the final price. Call (866) 894-2153 to book one.
We Also Serve Cities Near Redwood City
Redwood City shares a lot of ductwork challenges with the towns around it, so we also cover West Menlo Park, Belmont, Foster City, and San Mateo. Whether your home sits in the older core or out toward the hills, the same specialist approach applies. If you’re just over the line in a neighboring town, call and we’ll confirm coverage for your address.
Serving Redwood City, CA – Our Local Coverage Area
We serve Redwood City and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Redwood City
Plan on every two to three years, sooner than the typical city interval, because unpaved lanes and open land load the runs with road dust and pollen and outbuilding systems often go years between cleanings. If registers feel weak or the blower runs loud, that’s a sign to move it up. Call (866) 894-2153 to talk through your setup.
Because those homes sit on former wetland, and the crawl-space and garage duct runs trap bay dampness and salt air even when the tightly sealed, weather-sealed house shows no visible moisture. Condensation-stained plenum liners and mildew turn up there routinely, a pattern the drier hillside streets toward 94062 rarely produce. If your Shores house smells musty, a video inspection can confirm it.
Not always. A lot of the early flexible duct in those bungalows holds up once the leaking re-taped joints are re-sealed and the undersized runs are flagged, so we look before we recommend replacement. Where a section is crushed, torn, or contaminated past cleaning, we quote the repair separately. Call (866) 894-2153 for an inspection.
Real cleaning means source removal on supply and return ducts using agitation tools while HEPA-filtered negative pressure holds the dislodged debris inside the system instead of pushing it into your rooms. That containment is the difference between a genuine clean and a vacuum waved at the grilles. We use Nikro and Rotobrush equipment built for exactly that.
Yes, and it’s a fire-safety matter rather than a cosmetic one, since lint buildup in the dryer vent is a documented cause of residential fires. Clearing the vent restores airflow and cuts drying time along with the risk. We handle dryer vent cleaning as a specialty. Call (866) 894-2153 to book it.
If you’re in Redwood City and want the ductwork looked at properly, with contractor-grade equipment and one flat price per system agreed before work starts, call (866) 894-2153 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Our technicians have up to 10 years of experience, and every job includes before-and-after video of your own ducts so you can see the work was done.
Written by the team at Duct Cleaning San Mateo.