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
Air duct cleaning in Redwood City typically costs $350 – $650 for a full system on an average single-family home, and most jobs are completed in half a day. Our crews work across all four Redwood City ZIP codes (94061, 94062, 94063, 94065) with professional-grade Rotobrush and Nikro equipment, not shop vacuums. If you’re noticing dust on every surface, a musty smell when the heat kicks on, or you’re preparing to sell a home near downtown, call (866) 528-3938 for a free estimate. We know these ducts and the particular ways they fail here, and we’ll tell you honestly whether your system needs a clean, a repair, or nothing at all.
Why Duct Cleaning Mountain View Is Redwood City’s Preferred Air Duct Cleaning Company
We’re a duct specialist, not a general HVAC shop treating Air Duct Cleaning as a side job. That matters in Redwood City, where the housing stock swings from 1920s bungalows near Mount Carmel to mid-century ranches in 94061 to waterfront condos in Redwood Shores. Each of those systems fails differently, and we’ve seen enough of them to know what we’re looking at before we open the first register.
Our crews arrive with Abatement Technologies HEPA filtration equipment on every job. That means the dust and debris we dislodge from your ducts gets captured at the source, not blown back into your living room. We use Rotobrush agitation tools designed for short, awkward crawlspace runs, and Nikro negative-air systems for proper containment. Homeowners in Redwood City who’ve had fly-by-night cleaners before usually notice the difference in the first ten minutes.
The team is led by Dave Hanson, and the work reflects it. Residential and commercial jobs both get the same standard: open the system, inspect it with a camera, clean it properly, and show you what came out. We service what we clean too. If a run is crushed or disconnected under a low crawlspace, we’ll tell you and fix it, because cleaning a broken duct is wasted money.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Vent Cleaning in Redwood City
Vent cleaning in Redwood City means more than wiping register covers. It means pulling each supply and return vent, cleaning the boot connections behind them, and making sure air is actually moving through the system the way it was designed to. In older Redwood City homes, especially the pre-war bungalows around downtown and Mount Carmel, the vent boots are often caked with decades of dust, old paint, and sometimes rodent droppings from acorn season.
Supply Vent Cleaning
Supply vents push air into your rooms, and in Redwood City they collect a fine film of dust and pollen during the spring and summer when windows stay open. During wildfire-smoke season, that film gets sticky and holds particulates. We remove the vent, clean the boot, and inspect the run for disconnects or obstructions. Typical supply vent cleaning as part of a full system runs $75 – $150 in Redwood City, depending on access.
Return Vent and Plenum Cleaning
Return vents pull air back to the furnace, and in the low-crawlspace homes of the older flats, they often pull in more than air. Rodent nests in return plenums turn up in Redwood City’s downtown and Mount Carmel neighborhoods in a way they never do up in the 94062 hillside builds or out in Redwood Shores. Cleaning the return side properly means removing debris at the source, not fogging over it. That work is usually $100 – $200 for the return side alone.
Ductwork Cleaning in Redwood City
Ductwork cleaning in Redwood City is a source-removal job, and that phrase matters. The actual duct runs here are often short and awkward, snaking through low crawlspaces and tight attics. A proper clean means agitating the walls of every accessible run with professional equipment, then using negative pressure with HEPA filtration so the dislodged debris leaves the house instead of settling back into it.
Supply and Return Duct Runs
Supply runs carry heated or cooled air out to each room, and return runs bring it back. In mid-century ranch homes across 94061 and 94063, we often find the returns pulling from a single central hallway, which means they work harder and collect more. Full ductwork cleaning in Redwood City typically runs $350 – $650 depending on the number of runs, access difficulty, and system size.
Video Inspection
We camera-inspect duct work before and after the clean on most jobs. In Redwood City, this matters more than in some places because the duct geometry is so irregular, especially in slab-on-grade homes where runs are buried and impossible to eyeball. A video inspection shows you exactly what we found and proves what was done. It also catches broken or disconnected runs that would otherwise stay hidden until the next tenant complaint.
Trusted Brands We Service in Redwood City
We work on every common ductwork type found in Redwood City: old sheet-metal with asbestos-era wrap in the Victorians downtown, rigid and flex duct in the ranch homes, and newer flexible systems in the 94065 builds. We stock common parts for the brands we service and sell, including Honeywell and Aprilaire filtration products. If your system needs a new filter housing, UV lamp, or whole-home dehumidifier, we can source and install it. We also carry Guardsman-brand protective products for finishing work on metal components. One call covers the whole job.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Redwood City Homes
- Rodent nests in return plenums: The low-crawlspace and slab-on-grade homes around downtown and Mount Carmel have short, awkward return runs, and after acorn season, we regularly find hoarded acorns and nesting material inside them. This is a source-removal job, not a fogging job.
- Stagnant damp-belt air: Because Redwood City’s mild “Climate Best by Government Test” weather means furnaces barely run, damp air sits in crawlspace ducts for weeks at a time. Debris that would dry out or get flushed through a hard-working system instead clings to duct walls and can support microbial growth.
- Smoke-season particulate buildup: During wildfire events, smoke infiltrates ductwork through leaks and open vents, and that sticky residue stays behind. Homeowners near Redwood Shores and the bayfront get a double dose with marine fog mixing with smoke particulates inside the system.
- Bypassed filtration: Many older Redwood City systems have undersized or missing filter racks, meaning the blower motor and evaporator coil get coated. Cleaning the ducts without addressing the filter leaves the system dirty again within months.
Pricing for Air Duct Cleaning in Redwood City, CA
Here’s what you can expect to pay in Redwood City, based on what we actually see in the field. A single-family home with 8 – 12 vents and reasonable crawlspace access runs $350 – $550 for a full system clean. Larger homes in 94062 or 94065 with multiple returns, long runs, or difficult attic access run $450 – $650. A standalone video inspection adds $75 – $150, but we include it on most full cleanings. If we find a broken run or rodent damage, we’ll quote the repair separately before doing anything. Call (866) 528-3938 for a free estimate. We’ll give you a real number, not a teaser price that triples once the van arrives.
We Also Serve Cities Near Redwood City
Our crews serve Redwood City and the surrounding area, including San Carlos, Woodside, Menlo Park, and Palo Alto. If you’re in one of those communities and need Air Duct Cleaning in Redwood City quality, give us a call. We’ll be honest about what your system actually needs, no matter which side of the county line 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 in Redwood City
The smell comes from stagnant damp air inside the ductwork, not from heavy use. In the low-crawlspace homes around downtown and Mount Carmel, return plenums often sit open to crawlspace air, which brings in moisture from the fog belt and the bay. Debris sits in that damp environment for weeks, and microbial growth develops. The fix is source removal: open the plenum, get the debris out, and set up negative pressure with HEPA filtration so nothing recirculates. Fogging sprays don’t remove anything. Call (866) 528-3938 and we’ll tell you whether your smell is coming from the ducts or somewhere else.
Generally no. A fogging treatment can’t remove a rodent nest, can’t extract damp lint from a return plenum, and can’t clean the duct walls. It can mask odor briefly, which is exactly why some contractors sell it as the fix for musty crawlspace smells. In Redwood City’s older flats, the real issue is almost always physical debris sitting in moisture. That requires removal. If you want ongoing microbial control after a real clean, we can discuss what actually works, like whole-home dehumidification or improved filtration. Call (866) 528-3938 for a straight answer.
Redwood Shores sits right on the bayfront, and the marine air pushes humidity levels higher than inland parts of Redwood City. Duct systems out there, especially in newer 94065 builds, can develop condensation inside insulated flex runs when the system cycles off. That moisture traps dust and pollen, and over time you get a film of debris inside the ducts. We address it by checking run insulation, cleaning the system thoroughly, and evaluating whether a dedicated dehumidifier makes sense for your home.
Yes, and it’s one of the more practical things you can do in Redwood City. During smoke events, the outdoor air infiltrates through leaks in the duct system, and whatever particulate makes it past a basic fiberglass filter ends up in your air handler and ducts. Upgrading to a high-efficiency Honeywell or Aprilaire media filter, or adding a dedicated filtration cabinet, makes a measurable difference. We’ll clean the system first, then talk through your filter options. No pressure, just what fits your existing ductwork and budget.
Ask to see the camera footage from before and after, and ask whether they run negative pressure with HEPA filtration. If the answer to either is vague, walk away. A genuine clean in Redwood City means accessing every run, agitating the walls, and capturing the debris at the source, not wiggling a brush in one vent and fogging the rest. We video-inspect our work as standard and we’ll show you what came out. If we can’t honestly say the system needs cleaning, we’ll tell you that too. Call (866) 528-3938 with questions.
Written by Dave Hanson, Owner at Duct Cleaning Mountain View, serving Redwood City and the Peninsula.