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 Atherton
Atherton’s 94027 homes aren’t like the rest of the Peninsula. They’re large custom estates, many over 8,000 square feet, with multi-zone HVAC systems and ductwork that runs through multiple air handlers. When drywall dust from a recent remodel or a full teardown-rebuild settles into those ducts, the air your family breathes carries it for months. That’s where we come in. Our Air Duct Cleaning team works with Rotobrush and Nikro commercial-grade systems, not consumer vacuums. We’re the crew Atherton estate managers and general contractors call when a new build needs source-removal cleaning before handover, or when an older estate’s returns are pulling in redwood pollen year-round. Call (877) 824-3121 for a free estimate in Atherton.
Why Duct Cleaning Union City Is Atherton’s Preferred Air Duct Cleaning Company
Nelson Abreu built this business around one focus: ductwork. Not a generalist handyman operation, not a carpet cleaner with a side hustle. Atherton’s construction pace demands that focus. We’re on job sites off El Camino Real and up in the West Atherton hills regularly, coordinating with general contractors and estate managers who need a duct crew that can schedule around subs and inspections. The work here often means cleaning systems in homes that are still being finished, with trades coming and going. We’re used to that. Gated entrances, site supervisors, tight schedules. We show up with Rotobrush agitation tools and HEPA-filtered negative-air machines that meet the standard these projects require.
Property managers in Atherton tend to ask different questions than homeowners in other cities we serve. They want to know about particle counts, filter rack compatibility, and whether we can camera-inspect every zone afterward. We can. Nelson’s crews run video inspection on every job, new construction included. That’s not an upsell here. It’s how you verify a 9,000 square foot house wasn’t handed over with texture overspray in the return trunks.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Ductwork Cleaning in Atherton
Ductwork cleaning in Atherton is, in many cases, a commissioning step for a brand-new home rather than maintenance on an old one. Because 94027 estates are so frequently torn down and rebuilt, or expanded in phases, a large share of our calls here are on multi-zone systems that have never actually been cleaned. Drywall dust and construction debris are already sitting in supply and return ducts before the family ever moves in. The job involves source-removal cleaning, not just brushing. We connect a HEPA-filtered negative-air unit to the main trunk, then run Rotobrush agitation tools through each supply run and return drop. The dust doesn’t get pushed around. It gets extracted. A typical full-system ductwork cleaning in Atherton runs $1,200 – $2,800 depending on square footage, number of air handlers, and how much construction debris is present.
Post-Construction Source Removal
New drywall produces dust finer than household dust. It’s gypsum powder. It coats air handler coils, blower wheels, and the interior of flex duct. In a house with three or four air handlers, that means three or four separate extraction setups.
Builders typically don’t clean ducts at handover. It’s not in the spec sheet. We see the result constantly: registers with white film on them within six weeks of move-in.
Multi-Zone System Cleaning
Atherton homes often run two to five separate HVAC systems, each with its own duct network. Cleaning one zone while ignoring another leaves the system unbalanced and the air quality uneven. We clean every zone and verify airflow at each air handler before calling the job done.
Air Duct Inspection in Atherton
Air duct inspection in Atherton means putting a camera inside ducts that the builder says are fine. On new construction, contractors routinely skip this step because the ductwork is “brand new.” That’s exactly when we find tape scraps, texture overspray, and open joist cavities sealed into the return path. A camera inspection of an Atherton system runs $300 – $600 when scheduled with a cleaning, or $450 – $850 as a standalone service. The cost varies with the number of zones and whether scissor lifts are needed for ceiling registers in two-story great rooms.
Camera Verification on New Builds
Our inspection uses a push camera with a self-leveling head, sized for both rigid duct and flex runs. We record the footage. If you’re the estate owner, you get the file. If you’re the GC, you get a report to attach to the handover package. Either way, no one signs off on “clean ducts” without seeing the inside of the trunk line.
Filter Rack and Return Path Check
Many Atherton homes spec Honeywell media cabinets or Aprilaire filter housings. During inspection, we check the rack for bypass gaps and confirm the filter depth matches what the system needs. A clean duct system with a leaking filter rack still pulls attic air into the return.
Trusted Brands We Service in Atherton
Atherton’s HVAC systems tend to be higher spec than average. We work with Honeywell media air cleaners, Aprilaire whole-home dehumidifiers, and Abatement Technologies HEPA filtration units that some estate owners add during wildfire season. When we service a Guardsman filter rack or an Aprilaire cabinet in Atherton, we carry common filter sizes and replacement parts on the truck. If a Honeywell bypass damper is stuck or an Aprilaire housing is cracked, we can address it on the spot instead of scheduling a second visit. Nelson’s crew is comfortable with these systems because we see them most often in high-end homes and light-commercial jobs across the Peninsula.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Atherton Homes
- Builder debris left in new ducts. Drywall dust, texture overspray, and cut-offs from flex duct are regularly left in supply and return runs at handover. Owners often discover the grit at registers weeks after moving in.
- Multi-zone systems commissioned zone-by-zone without airflow verification. One air handler starves while another over-pressurizes. The ducts may be clean, but the house is uncomfortable and the blower works harder than it should.
- Wildfire smoke residue in media filters and duct interiors. Atherton’s heavy tree canopy and dry fall months mean smoke season brings fine particulate that coats ducts and overwhelms standard 1-inch filters. Estate managers often call us before the dry season to pre-clean and upgrade filtration.
- Mature oak and redwood debris entering return-air intakes. Pollen, mold spores, and fine organic material settle in returns in shaded Atherton lots. Tightly sealed homes trap this material, and it re-circulates until the ducts are source-cleaned.
Pricing for Air Duct Cleaning in Atherton, CA
Atherton’s market runs higher than nearby cities because the homes are larger and the systems are more complex. Here’s what we see across 94027:
- Full duct cleaning, single-zone home (under 4,000 sq ft): $900 – $1,500
- Full duct cleaning, multi-zone estate (6,000 – 10,000 sq ft): $1,800 – $2,800
- Full duct cleaning, large estate (10,000+ sq ft, 3+ air handlers): $2,800 – $4,500
- Post-construction source removal (add-on to cleaning): $400 – $900 depending on debris load
- Camera inspection (with cleaning): $300 – $600
- Filter rack repair or media replacement: $150 – $500 depending on brand and size
We quote one flat price per system before work starts. No per-vent pricing, no bait-and-switch upcharge when we’re already on site. Call (877) 824-3121 for a free estimate. We’ll ask about square footage, number of air handlers, and whether the house is new construction or existing.
We Also Serve Cities Near Atherton
If you manage property in North Fair Oaks, Stanford, East Palo Alto, or Redwood City, our Air Duct Cleaning in Atherton team covers those areas too. Same equipment, same flat-per-system pricing, same camera verification. Call (877) 824-3121 and we’ll schedule based on your site’s access window.
Serving Atherton, CA – Our Local Coverage Area
We’re based in the Atherton 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 Atherton
Yes. Builders in Atherton typically hand over a finished house without a post-construction duct clean, and drywall dust, texture overspray, and flex-duct cut-offs are often sitting in the supply and return ducts before you move in. We’ve pulled registers on new builds off Selby Lane and found a fine white drift of gypsum dust coating the air handler and every supply run. A source-removal clean before move-in means you’re not breathing the builder’s gypsum dust for the first six months. Call (877) 824-3121 for a pre-move-in quote.
Ideally, the GC should have scheduled a post-construction duct clean after all drywall work, painting, and texture were complete, then camera-inspected the trunks to verify. That almost never happens in Atherton unless the owner or estate manager pushes for it. We work with several Atherton GCs who now include source-removal cleaning and camera verification in their closeout package. If yours didn’t, we can do it before you move in. Call (877) 824-3121 and mention your handover date.
Yes. Each air handler serves its own duct network, and each needs its own negative-air setup and agitation pass. In a 9,000 square foot Atherton estate with three or four systems, that’s a longer job than a single-zone house. We also verify airflow at each air handler afterward, because commissioning zone-by-zone without checking airflow leaves one system starved while another over-pressurizes. We quote based on the number of zones and air handlers, not just square footage. Call (877) 824-3121 for a system-specific estimate.
Yes, if you’re in a heavily treed part of Atherton, pre-season cleaning removes the pollen and organic debris that smoke particulates cling to. Then we can help you step up from standard 1-inch filters to a Honeywell media cabinet or Aprilaire housing if your system allows it. Estate managers around Atherton schedule this in late summer, before the dry fall months. We set up negative pressure with Abatement Technologies HEPA filtration on these jobs specifically because it captures the fine particulate that standard cleaning alone won’t. Call (877) 824-3121 to schedule before the smoke season fills the calendar.
We coordinate with whoever manages the property. That might be an estate manager, a general contractor, or a private landscape crew finishing the grounds. We schedule a specific access window, arrive with our own equipment and power needs identified ahead of time, and work around other trades as needed. We have cleared access requirements for gated communities across 94027 and the wider Atherton area. Call (877) 824-3121 and let us know the site contact so we can confirm entry before the appointment.
Written by Nelson Abreu, Owner at Duct Cleaning Union City, serving Atherton and the surrounding Peninsula since day one with Rotobrush, Nikro, and HEPA source-removal systems.