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.
Air Duct Cleaning Company in Redwood City, CA
Air duct repair in Redwood City follows a pattern we see every week: original 1950s and 60s sheet-metal ductwork in the flatlands, and long flex-duct runs in hillside homes that have been crushed or pulled apart over decades. The marine layer keeps moisture in play year-round, so a failing duct here doesn’t just leak air, it pulls damp crawlspace or attic air into the house. Duct Cleaning Union City has served Redwood City since 2015 with Rotobrush and Nikro equipment built for this kind of work. Call (877) 824-3121 if you suspect a duct problem and want a straight answer.
Why Redwood City Homes Are Different
Redwood City’s ductwork splits along elevation. The flatlands in 94061 and 94063 are full of post-war ranch and Eichler-style homes where rigid galvanized ducts were installed tight against the slab or in shallow attic chases. Those runs are short but often undersized, and fifty-plus years of condensation against raw metal has left many of them corroded at the seams. The hills west of El Camino in 94062 are another job entirely: two-story homes with long, irregular duct runs, old flex duct in crawlspaces, and more than a few runs that were spliced into when rooms were added.
The climate adds a second layer. Redwood City doesn’t bake like the Central Valley, and it doesn’t fog in like Daly City. What it does is hold a damp marine layer through the morning for much of the year. That moisture combines with household dust inside ductwork and forms a caked layer that a residential vacuum won’t move. Near Redwood Creek and the low-lying downtown blocks, the humidity sits heavier, and condensation inside duct boots is common. We also find more biological growth inside ducts close to the Bay side of the city than anywhere on the Peninsula floor. That isn’t a cleaning problem so much as a condition problem, which is why repair matters as much as cleaning here.
Technicians who know Redwood City expect two things on arrival. In an Eichler, the ducts are often hidden in sidewall chases with less than six inches of clearance, so inspection is more camera work than hand work. In a 94062 hillside home, the crawlspace is the wild card: disconnected flex duct, crushed runs under old additions, and raccoon or tree-debris damage are common findings. Cleaning is only half the job in these homes, and sometimes not even the first half.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main Redwood City Services
Two services account for most of what Redwood City homeowners call us about: the air duct cleaning itself, and the dryer vents that run through these older homes. Each has its own page with full detail.
Air Duct Cleaning in Redwood City
Air duct cleaning in Redwood City means clearing the supply and return side of the system, from the register boots back to the plenum. In flatland ranches, that’s often a short straight run where the real work is pulling caked, moisture-bound dust off the metal. In the hills, it’s a longer job with more linear feet, more transitions, and more surprises. We run Rotobrush agitation and Nikro negative-air collection through every accessible run, and we tell you what we found, including any damage that cleaning exposes. See Air Duct Cleaning in Redwood City for the full scope, local pricing, and what to expect on the day.
Dryer Vent Cleaning in Redwood City
Dryer vent cleaning in Redwood City is a fire-safety job first. Vents in 1950s and 60s flatland homes often run long, sometimes through the slab or up through the roof, and lint packs tight in the bends. Hillside homes have their own issue: vent terminations at crawlspace level that pull damp air and lint into a plug. We clean the full run as a standalone service, not an add-on, and we check the termination and airflow after the line is clear. See Dryer Vent Cleaning in Redwood City for details and what a blocked vent costs to put right.
Air Duct Repair in Redwood City
Air duct repair in Redwood City is the service that separates a real duct contractor from a cleaning-only outfit. In the flatlands, we regularly find original galvanized duct that has rusted through at the seams after sixty years of damp Redwood City air, and in the hills we find flex duct that has been crushed by additions, pulled apart at the collars, or torn open by raccoons in the crawlspace. Duct Cleaning Union City handles this as a core service, so a damaged run found during cleaning can be repaired the same visit. Our scope covers Air Duct Repair from small patching to full replacement.
Ductwork Repair
Signs you need it
Rooms that never reach temperature, a musty smell from the vents, or visible sagging and disconnected duct in the crawlspace or attic.
What it costs in Redwood City
Local ductwork repair in Redwood City typically runs $300 – $900 depending on access, linear feet, and whether the run is metal or flex.
How we do it
We camera the run to find the exact failure, cut out the damaged section, and splice in matching duct sealed with mastic and metal tape, then test airflow at the register.
Air Duct Replacement
Signs you need it
Ducts that are collapsed, rusted through in multiple places, or so caked with moisture-bound debris that cleaning can’t restore the surface.
What it costs in Redwood City
Air duct replacement in Redwood City typically falls between $45 – $65 per linear foot for flex, with rigid galvanized running higher per section.
How we do it
We remove the failed run, size the replacement to the register and plenum openings rather than copying what was there, and install new duct with sealed, insulated joints where the run passes outside conditioned space.
HVAC Duct Installation
Signs you need it
An addition or remodel that left rooms served by undersized or improvised duct, or a system that never had proper return air to begin with.
What it costs in Redwood City
HVAC duct installation in Redwood City is priced per run and per fitting, generally landing between $65 – $100 per linear foot when old duct must be removed first.
How we do it
We lay out the new run from the plenum to the register, build the path through the attic or crawlspace with the fewest bends possible, and seal every joint before insulating the section.
What Air Duct Repair Costs in Redwood City
| Item | Typical range in Redwood City |
|---|---|
| Ductwork repair (patching, sealing, reconnecting) | $300 – $900 |
| Air duct replacement (flex, per linear foot) | $45 – $65 |
| HVAC duct installation (new run, per linear foot) | $65 – $100 |
Hillside access in 94062 will push a job toward the top of these ranges, same for any run that requires crawlspace work under a low clearance. We give one flat price per repair before any work starts.
Can you repair ducts the same day you find the problem?
In many Redwood City homes, yes. When a cleaning exposes a disconnected flex run or a rusted collar, we carry common duct materials and can repair the section that visit, provided the damage is accessible and the fix is straightforward. Larger replacements get scheduled and priced before we leave.
Do I need a permit to repair ductwork in Redwood City?
Most direct duct repair and replacement does not require a city permit, but full HVAC duct installation tied to a remodel or addition may. We will tell you if the scope touches anything that would need Redwood City building department review before we start. Call (877) 824-3121 and describe what you’re seeing.
Brands We Service in Redwood City
We work with equipment and components from Nikro, Honeywell, and Aprilaire, and we keep common duct fittings, collars, and sealants on the truck. That means most repairs in Redwood City don’t wait on a parts run. See our brands for the full list.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in Redwood City, CA
| Service | Typical range in Redwood City |
|---|---|
| Air duct cleaning (up to 10 vents) | $450 – $700 |
| Air duct cleaning (10 – 20 vents) | $650 – $950 |
| Air duct cleaning (20+ vents, multistory) | $950 – $1,400 |
| Dryer vent cleaning | $150 – $300 |
| Ductwork repair (patching, sealing, reconnecting) | $300 – $900 |
| Air duct replacement (flex, per linear foot) | $45 – $65 |
| HVAC duct installation (new run, per linear foot) | $65 – $100 |
What pushes a Redwood City quote upward is access: Eichler sidewall chases in the flatlands, long irregular runs in 94062, and crawlspaces where we’re working on our backs under a two-foot clearance. We price each system as one flat number before the work begins, so the quote you approve is the invoice you pay.
Neighborhoods We Serve in Redwood City
We work the full city, from the flatland tracts east of El Camino to the hillside streets of the western ridges. Each area brings its own duct profile, but our trucks carry the same Rotobrush and Nikro equipment to every job.
- Redwood Village and the postwar ranches of 94061
- Downtown Redwood City and the blocks near Redwood Creek
- Woodside Plaza and the mid-century homes of 94063
- Emerald Hills and the larger hillside homes of 94062
- Redwood Shores and the newer builds of 94065
We schedule across the whole city, and first visits are usually available inside the same week, not the same month.
Service Area – Cities Near Redwood City
Duct Cleaning Union City runs the same equipment and crews up and down the mid-Peninsula. We cover Menlo Park, CA next door, Atherton, CA with its larger estate duct systems, North Fair Oaks, CA just west of Redwood City, and Redwood Shores, CA on the Bay side. Same flat-price policy, same equipment, whichever side of the El Camino you’re on.
Serving Redwood City, CA – Our Local Coverage Area
We’re based in the Redwood City 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 Redwood City
We serve all of Redwood City, including the 94062 hills where driveways are steep and crawlspaces are tight. The same crew and equipment handle both flatland and hillside work. If there is a question about access, we will ask before scheduling so there are no surprises on the day.
Most interior duct repair and cleaning does not need HOA approval because the work is inside your walls, attic, or crawlspace. If your duct run crosses a shared wall or a common roof, or if the work requires an exterior vent change, we will flag it early so you can check your association rules before we start. Call (877) 824-3121 with questions.
The combination of damp marine-layer air and older housing stock means Redwood City ducts often hold moisture-caked dust rather than loose, dry debris. That caking changes the cleaning method and makes duct damage more likely to be exposed. We quote and clean with that in mind, not with a boilerplate process. Call (877) 824-3121 for a free estimate.
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 Redwood City Customers Say
"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Michelle Lawson"Fair price and thorough work. They ran about an hour and a half past the estimated finish time, so don't schedule anything tight after."
- Neil Brooks"Job was done well and the house smells better. There was some dust knocked loose around a couple of the registers that I had to wipe down afterward."
- Miguel Garcia