Fast, Reliable Air Duct Cleaning Across Palo Alto
Air duct cleaning in Palo Alto typically runs $380–$780 for a full residential system, with most jobs completed in a single visit. We’re usually on-site in Palo Alto within 24–48 hours of your call, and we bring commercial-grade Rotobrush and Nikro equipment that generalist HVAC crews simply don’t carry.

We’ve been driving down Highway 101 to Palo Alto jobs for fourteen years, and we know the difference between a Midtown tract home with standard flex duct and a retrofit Eichler in Greenmeadow where the entire duct system was shoehorned into an attic never designed for it. Brian Rivera — our owner and lead technician — handles every Palo Alto job personally, from the first video inspection to the final airflow test. Whether you’re in Old Palo Alto near Professorville or out by the Stanford Research Park, call us at (855) 908-0725 for a free estimate.
Our Air Duct Cleaning team serves all Palo Alto ZIP codes: 94301, 94302, 94303, and 94304.
Why Northstar Air Duct Cleaning Service San Francisco Is Palo Alto’s Preferred Air Duct Cleaning Company
Palo Alto homeowners research before they book. That’s why our 1,209 verified reviews averaging 4.9 stars matter here — this isn’t a marketing number, it’s a documented track record across real jobs, many of them right here in Santa Clara County.
Brian Rivera doesn’t dispatch crews. He’s the one who shows up at your door in Palo Alto, runs the video inspection, operates the Rotobrush, and signs off on the work. That owner-accountability structure means something in a market where you’re more likely to get a rotating subcontractor than the person whose name is on the business.
Our response time to Palo Alto averages next-day scheduling, sometimes same-day for dryer vent safety concerns. We understand local conditions: the 2018 and 2020 wildfire smoke events that loaded HVAC systems with fine particulate, the Eichler retrofit ducts that were never properly commissioned, the gravity furnace systems in Old Palo Alto bungalows that still need careful handling. Fourteen years focused on one trade — the air moving through your home — means we’ve seen what Palo Alto’s specific housing stock throws at ductwork.
Our Air Duct Cleaning Services in Palo Alto
Residential Duct Cleaning
Palo Alto’s residential landscape demands more than a one-size-fits-all approach. In Barron Park and Midtown, we’re cleaning 1970s–1980s tract home systems with standard flex duct in crawlspaces. In Greenmeadow and Green Gables, we’re dealing with Eichler retrofits where flex duct was routed through hot, cramped attic cavities beneath low-slope roofs — often accumulating construction debris since installation and developing joint separations that bleed conditioned air into unconditioned spaces. Our residential cleaning includes full supply and return trunk lines, branch ducts, and boot connections, verified with before-and-after video.
Commercial Duct Cleaning
From the professional offices along University Avenue to the research facilities near Page Mill Road, Palo Alto’s commercial spaces need documented air quality outcomes. We bring Abatement Technologies HEPA containment and Nikro negative air machines to commercial jobs — the same equipment used in remediation projects, not the portable shop vacs that generalist services wheel in. We work around your operating hours, and we provide post-cleaning documentation for property managers who need to show tenants or owners that the work was done to spec.
Supply Duct Cleaning
Supply ducts push conditioned air into your living spaces — and in Palo Alto, they’re often the most compromised part of retrofit systems. We recently serviced a Greenmeadow Eichler on Louis Road where the homeowner had never cleaned ducts since retrofitting central air in 2002. Our video inspection revealed a flex-duct joint separation blowing cooled air into a dead attic cavity, and a thick layer of drywall dust settled from the original install. We re-secured the joint with foil tape and mastic, then full-system cleaned with a Rotobrush, restoring airflow and reducing dust in every room. That’s supply duct work done right.
Return Duct Cleaning
Return ducts pull air back to your HVAC unit, and they’re the primary collection point for particulate. In Palo Alto homes that ran HVAC continuously during wildfire smoke events, return ducts often harbor fine ash and soot particles that standard filters never caught. Our return duct cleaning uses sealed-system negative air techniques — Nikro equipment, not a brush jammed into a vent — to extract loaded debris without contaminating your living space during the process.
Full System Cleaning
Most Palo Alto homes benefit from full system scope: supply, return, trunk lines, plenums, and HVAC cabinet interior. This is especially true for Eichler retrofits where the entire forced-air system was added after original construction, and for any home that hasn’t been cleaned since the 2020 wildfire smoke events. Full system cleaning runs $580–$780 in Palo Alto, depending on system size and accessibility.

Video Inspection
We start every Palo Alto job with a video inspection — a flexible borescope camera pushed through your ductwork that shows you exactly what we’re dealing with. For Eichler homeowners who never had ducts originally, this is often revelatory: they see construction debris from a 2002 retrofit, joint separations they didn’t know existed, or wildfire particulate layered in return trunks. The video becomes your baseline and our roadmap. In Old Palo Alto, we use video to assess the condition of original metal ductwork in century-old gravity furnace systems before we commit to any cleaning approach.
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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Palo Alto
We don’t show up with generic equipment. Our cleaning rigs run Rotobrush contact-cleaning systems and Nikro negative air machines for debris extraction — the same tools used in commercial remediation, not the underpowered units a generalist HVAC company keeps as a side offering. For air quality solutions after cleaning, we deploy Honeywell and Aprilaire whole-home products, and our sanitizing treatments use Guardsman-grade applications. We stock filters and replacement components for common Palo Alto systems, which means faster turnaround when your job reveals a needed repair rather than a return trip after ordering parts.
Common Air Duct Cleaning Problems We See in Palo Alto Homes
- Joint separations in Eichler retrofit flex ducts. In Greenmeadow, Green Gables, and Fairmeadow, central air retrofits often used flex duct routed through attics never designed for mechanical systems. The low-slope roof cavities get brutally hot, degrading connections. We find separated joints blowing conditioned air into unconditioned spaces — energy waste and dust sources that homeowners never detect without video inspection.
- Legacy construction debris in unserviced systems. Because many Eichler homeowners never had ducts originally, the concept of duct maintenance simply doesn’t exist for them. Inherited retrofit systems installed by previous buyers — sometimes two decades ago — often contain original drywall dust, wood shavings, and contractor debris that was never extracted before occupancy.
- Wildfire particulate accumulation from 2018 and 2020 smoke events. Northern California wildfire smoke blanketed Palo Alto for weeks, and residents who sealed homes and ran HVAC continuously loaded their duct systems with fine particulate that standard 1-inch filters couldn’t capture. This material remains in ductwork years later, recirculating with each system cycle.
- Seasonal dormancy dust in Mediterranean climate conditions. Palo Alto’s mild climate means heating systems may sit unused for six or more months. Fine dust settles undisturbed, then gets violently re-entrained when the first cold snap hits and the system fires up after half a year of silence.
Pricing for Air Duct Cleaning in Palo Alto, CA
Here’s what air duct cleaning costs in Palo Alto’s market:
| Service | Typical Range |
|---|---|
| Standard residential duct cleaning (up to 12 vents) | $380–$520 |
| Full system cleaning with video inspection | $580–$780 |
| Eichler retrofit with accessibility challenges | $620–$850 |
| Dryer vent cleaning (add-on or standalone) | $180–$280 |
| Duct repair/sealing with mastic and foil tape | $240–$480 |
| Air quality sanitizing (Honeywell/Aprilaire products) | $150–$280 |
Factors that move Palo Alto jobs toward the higher end: Eichler attic accessibility with tight crawl-in conditions, systems that haven’t been cleaned in 10+ years, post-renovation debris loads, and wildfire particulate that requires extended extraction time. We provide upfront written estimates before any work begins — call (855) 908-0725 to schedule your free assessment.
We Also Serve Cities Near Palo Alto
Our service radius covers the full Peninsula corridor. We regularly clean ducts in Stanford campus housing and faculty residences, East Palo Alto family homes and rental properties, Atherton estate properties with complex multi-zone systems, and Los Altos Hills hillside homes where duct routing follows terrain rather than standard construction. Same owner-led service, same equipment, same 4.9-star accountability.
Serving Palo Alto, CA — Our Local Coverage Area
We’re based in the Palo Alto 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 — Air Duct Cleaning in Palo Alto
Yes — start with a video inspection before any cleaning. Eichler retrofits in Green Gables and Greenmeadow often have flex duct routed through attic spaces that weren’t designed for mechanical systems, and our camera regularly finds joint separations, construction debris from the original install, and airflow restrictions that would be invisible otherwise. The inspection costs $120, which we apply toward your cleaning if you proceed. Call (855) 908-0725 to schedule — estimates are free.
Yes, we clean original metal ductwork in Old Palo Alto Craftsman homes, but we assess condition first with video inspection. Century-old metal ducts can have rust, previous asbestos insulation remnants, or structural degradation that requires repair before cleaning. Brian Rivera handles these evaluations personally — fourteen years of specialty work means he’s seen what holds up and what needs gentle handling. Call (855) 908-0725 and mention your system’s age when booking.
You’ll know by scheduling a video inspection — wildfire particulate is fine enough to settle in ductwork and recirculate without obvious visible dust. In Palo Alto homes that sealed against 2020 smoke, we regularly find layered fine ash in return trunks and HVAC cabinets that standard filter changes never addressed. If you ran your system continuously during smoke events and haven’t had ducts cleaned since, particulate is almost certainly present. A full system cleaning with Rotobrush contact cleaning and HEPA extraction removes it. Call (855) 908-0725 for a free estimate.
Yes — we clean crawlspace ductwork in Midtown and Barron Park homes, and we bring proper containment so nothing migrates into your living space during the process. Crawlspace ducts in 1970s–1980s Palo Alto tract homes often have moisture exposure, rodent access, or deteriorated flex connections that our video inspection identifies before cleaning begins. The work runs $480–$720 depending on linear footage and accessibility. Call (855) 908-0725 to book your inspection.
We use Rotobrush contact-cleaning systems, Nikro negative air machines, and Abatement Technologies HEPA containment on every job — including every Barron Park home we service. These are professional-grade tools, not the portable equipment generalist HVAC companies deploy as a side offering. For air quality solutions after cleaning, we install Honeywell and Aprilaire products, and our sanitizing treatments use Guardsman-grade applications. The brand names matter because they determine whether debris is actually extracted or just redistributed. Call (855) 908-0725 to see the equipment in action on your job.
Ready to find out what’s circulating through your Palo Alto home’s ducts? Brian Rivera will handle your job personally — from video inspection through final airflow verification — with the same Rotobrush and Nikro equipment we use on commercial remediation projects. No dispatched crews, no generic service. Call (855) 908-0725 today for your free estimate. We’re typically in Palo Alto within 24–48 hours.
Written by Brian Rivera, Owner at Northstar Air Duct Cleaning Service San Francisco, serving Palo Alto since 2010.