Whole-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 Atherton, CA
Air duct cleaning in Atherton typically runs $450 – $1,200 for whole-system work, with most estates falling in the $600 – $900 range depending on HVAC zones and duct accessibility. We’re Hollis Air Duct Cleaning, and we dispatch crews from our San Francisco Bay Area office to serve Atherton’s large custom estates where discretion, security coordination, and white-glove service aren’t extras – they’re baseline expectations. Call us at (361) 326-5060 for a written estimate before any work begins.
Why Atherton Homes Are Different
Atherton’s housing stock is dominated by sprawling, custom-built estates – many 5,000 to 15,000+ square feet on acre-plus lots, often with multiple independent HVAC systems and extensive duct runs. Most were built or extensively remodeled in the last 30 years, though older ranch-style homes with original galvanized or early flex ductwork still dot the landscape. This isn’t a market where technicians can pull a single vacuum hose through a basement and call it done.
The town’s Mediterranean climate means HVAC systems run year-round for both heating and cooling. Dry summers pull dust, pollen, and pest debris into ductwork; winter rains drive humidity that finds its way into poorly sealed returns, encouraging mold in hidden runs. And because Atherton is heavily wooded with mature oaks and redwoods, rodents regularly nest in return ducts – our crews find acorn caches and nesting debris on a routine basis.
Many estates require coordination with estate managers or security teams, and unmarked vehicles are standard practice here. Background-checked, uniformed technicians and shoe covers aren’t marketing points in Atherton; they’re prerequisites for getting past the gate.
Our Main Atherton Services
These are the three services Atherton homeowners call us about most often. Each has its own dedicated page with full pricing, process details, and local specifics.
Air Duct Cleaning in Atherton
Whole-system cleaning for Atherton’s multi-zone estates using negative-air machines and rotary brush systems. We clean supply and return trunks, branch lines, and registers – critical in homes where duct runs can exceed 200 linear feet per zone. Our crews are background-checked and arrive in uniform, with shoe covers and discreet vehicles standard. Air Duct Cleaning in Atherton covers our full process, equipment, and what to expect during a multi-day estate job.

Dryer Vent Cleaning in Atherton
Dryer vent cleaning in Atherton often involves long horizontal runs through exterior walls – sometimes 30+ feet – in homes with dedicated laundry wings or secondary units. Lint accumulation in these extended runs is a genuine fire hazard, and Atherton’s mature tree canopy means exterior vents clog with debris faster than in open suburban lots. Dryer Vent Cleaning in Atherton details our process, pricing, and how we handle difficult access points.

Duct Sealing in Atherton
Duct sealing addresses the leaks and gaps that waste conditioned air in Atherton’s complex systems. We use mastic and professional-grade sealants – not tape – to close joints and penetrations, with particular attention to the flex-duct connections common in newer construction and the metal-to-metal seams in older galvanized systems. Duct Sealing in Atherton explains our sealing methods, testing protocols, and how we verify results.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Atherton
We stock parts and service equipment from Honeywell, Aprilaire, Abatement Technologies, and Guardsman, with Rotobrush rotary systems and Nikro negative-air machines on every Atherton truck. Most filter replacements and minor repairs are completed same visit. See our brands for the full roster.
Pricing for Air Duct Cleaning Company in Atherton, CA
| Service | Typical range in Atherton |
|---|---|
| Whole-system air duct cleaning (single zone, up to 2,500 sq ft) | $450 – $650 |
| Whole-system air duct cleaning (multi-zone, 2,500 – 5,000 sq ft) | $600 – $900 |
| Whole-system air duct cleaning (large estate, 5,000 – 10,000 sq ft) | $900 – $1,400 |
| Whole-system air duct cleaning (estate, 10,000+ sq ft) | $1,400 – $2,200 |
| Dryer vent cleaning (standard run, single unit) | $150 – $250 |
| Dryer vent cleaning (long run or rooftop vent) | $250 – $400 |
| Duct sealing (single zone, spot sealing) | $400 – $700 |
| Duct sealing (whole-home, comprehensive) | $1,200 – $2,500 |
| HVAC filter replacement (standard 1″ – 2″) | $15 – $40 per filter |
| HVAC filter replacement (whole-house media, 4″ – 5″) | $60 – $150 per filter |
| Register/grille cleaning and reinstallation | $10 – $25 per register |
What pushes Atherton prices higher: multiple HVAC zones, extensive flex-duct networks, security-coordinated access requiring after-hours scheduling, and rodent remediation prep. We write the price down before touching anything, and that number doesn’t move at the door.
Neighborhoods We Serve in Atherton
We work across Atherton’s full residential area, from the older ranch neighborhoods near the town’s center to the gated estates along the western and southern borders. Most appointments are scheduled with specific arrival windows, and our crews coordinate directly with homeowners, estate managers, or security personnel as needed.
- Lindenwood
- West Atherton (estate district)
- Valparaiso Park
- Holbrook-Palmer Park area
- Encinal Avenue corridor
Service Area – Cities Near Atherton
Our crews regularly work the full Peninsula corridor. We schedule appointments in Menlo Park, CA and Redwood City, CA on the same routes as Atherton, with Palo Alto, CA and Stanford, CA also in our standard service zone. Dispatch is coordinated from our San Francisco Bay Area office to keep drive times predictable and arrival windows reliable.
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 Company in Atherton
Most Atherton estates handle this internally. We provide technician names, vehicle descriptions, and arrival windows 24 hours ahead so your gate staff or estate manager can prepare. If your property requires vendor registration, we’ll complete any paperwork you send us.
We price and schedule each system separately, and we clean them in sequence to avoid disrupting climate control in occupied wings. Large Atherton estates often take two days; we coordinate with you on which zones to tackle first.
Yes – this is common in Atherton. We coordinate with estate managers, housekeepers, or security details for key access, and we photograph before-and-after conditions for remote review. The 365-Day Done Right Promise still applies; if anything needs attention, we return at no charge.
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 Atherton Customers Say
"They checked each section with a camera and showed me the dust before and after. Thorough and honest."
- Nicole H."Duct sealing along with the cleaning cut our summer bill. Straight talk and fair price."
- Gwen O."Sealed some leaking duct joints in the crawl space with mastic. Rooms that were always cold now get air."
- Ronald W.




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