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 Los Altos
Air duct cleaning in Los Altos typically costs $450 – $900 for a standard single-system home, while larger Eichlers with multiple retrofitted systems run $1,200 – $2,400 when scoped per system. Most jobs are completed in one day. If you’re noticing dust settling back on surfaces within days of cleaning, weak airflow from certain registers, or a musty smell when the heat cycles on, the problem is rarely the furnace itself. It’s usually what’s accumulated inside the ducts, and in Los Altos, that accumulation has a very specific character shaped by this city’s housing stock. Call us at (877) 358-5491 for a free estimate.
Key takeaways for Los Altos homeowners:
- Eichler homes frequently carry two or three separate duct systems, and each should be priced and documented independently.
- Flat whole-house quotes often collapse those systems into one number, leaving original 1950s plenums and later attic retrofits treated as a single run.
- Camera inspection is not an upsell here. It is the only way to verify what was done in runs you cannot physically reach.
Why Duct Cleaning Milpitas Is Los Altos’s Preferred Air Duct Cleaning Company
Los Altos homeowners have a specific set of problems that a shop-vac-and-a-brush outfit simply cannot address. The housing stock off Foothill Expressway, the Eichler tracts, the ranch-style neighborhoods near Los Altos Hills, these are not new construction with clean, accessible duct chases. They’re mid-century homes with ad-hoc HVAC retrofit history. Our Air Duct Cleaning team has worked in enough of them to know what we’ll find before we open the first register.
The reason Los Altos customers keep our number is straightforward: we bring Rotobrush and Nikro agitation systems and HEPA-filtered negative air machines to every job. That equipment matters on low-clearance crawlspace runs where old fiberglass liner is shedding. A consumer-grade vacuum cannot hold negative pressure on a 40-foot flex run. Ours can. Nate Espinoza, who runs our operations, insists on this because he has seen what happens when the wrong tool agitates a failing liner and blows it through the supply and return ducts instead of removing it. We also service Honeywell and Aprilaire filtration components while we’re in the system, which matters to Los Altos homeowners who have already invested in whole-home air quality.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Ductwork Cleaning in Los Altos
Ductwork Cleaning in Los Altos means dealing with what decades of Silicon Valley retrofit work has left behind. We’re not talking about a uniformly sized duct system installed to a single plan. We’re talking about a 1958 original closet furnace plenum feeding one wing, an attic flex-duct AC retrofit cooling another, and a crawlspace run with old fiberglass liner connecting a third. Each of those is its own system with its own access points, its own contamination profile, and its own price. A typical single-system ductwork cleaning in Los Altos runs $450 – $650. A two-system home runs $800 – $1,200. A full Eichler with three systems runs $1,400 – $2,000.
Supply and Return Runs
Supply ducts deliver conditioned air to rooms. Return ducts pull air back to the air handler. In Los Altos homes with slab-on-grade radiant heating and later AC additions, both are often retrofitted flex duct through uninsulated crawlspaces or attics. We clean them separately because they fail differently. Supply runs collect dust and debris that gets blown into living spaces. Return runs collect whatever your home’s air already carries plus what leaks in from the crawlspace.
Full System Cleaning
When a Los Altos home has multiple branches and a shared air handler, we perform full system cleaning under negative pressure. The air handler is sealed, HEPA filtration is set at the return, and agitation tools work each branch while the vacuum holds the system in negative pressure. Debris leaves through the vacuum, not through your registers. This is the difference between cleaning ducts and relocating dust within the ductwork.
Air Duct Inspection in Los Altos
Air Duct Inspection in Los Altos is not a formality. It is the step that tells you whether the cleaning actually happened in the places you cannot see. In this city, that specifically means low-clearance crawlspace runs under Eichler additions and attic flex runs where old fiberglass liner is failing. A proper inspection pushes a camera through each accessible run and documents what was there, what was removed, and what remains. Inspection alone runs $150 – $300 when booked with a cleaning, and $250 – $450 as a standalone service for a typical Los Altos home.
Camera-Verified Results
We run a camera through the runs the real-estate inspector flagged before we agitate anything. Then we run it again after source removal. The homeowner gets before-and-after stills that show the same section of duct, same angle. If a liner was shedding into the supply and return ducts, the after photo shows liner removed, not just dust pushed around.
Per-System Documentation
On a Los Altos Eichler with three systems, we document each system separately. The original closet furnace plenum gets its own write-up. The attic AC retrofit gets its own. The crawlspace flex run gets its own. You should not accept a single line item that says “whole house cleaned” when the house has three distinct duct systems. That’s how work gets skipped and no one can prove otherwise.
Trusted Brands We Service in Los Altos
Many Los Altos homes already have Honeywell or Aprilaire filtration components installed at the air handler or in individual rooms. When we clean the duct system, we inspect and service those units as part of the job. We also work with Abatement Technologies equipment for source-capture during cleaning, which matters on jobs where rodent contamination or construction debris is present. We carry common Honeywell and Aprilaire replacement filters sized for the units we see most often in Los Altos homes. That means you’re not waiting on a shipped part after we’ve already opened the system.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Los Altos Homes
- Multiple systems collapsed into one quote. The original 1950s closet furnace plenum, the attic AC retrofit, and the crawlspace flex run all get thrown into a single “whole house” number. Then the tech cleans the easiest accessible run and documents it as done.
- Failing fiberglass liner in crawlspace runs. Low-clearance crawlspaces under Los Altos additions make access difficult, and old liner degrades. Agitating it without proper negative pressure blows liner fragments through the supply and return ducts.
- Rodent activity in the low-clearance crawlspaces. Los Altos’s older neighborhoods have mature landscaping and crawlspace access points that rodents find. Nests in flex runs are common, and they need removal, not just vacuuming around.
- Construction debris from renovations. Los Altos homes are frequently remodeled before sale. Drywall dust, sawdust, and fasteners end up in the ducts, and a move-in cleaning is the only way to keep that out of the air you breathe that first year.
Pricing for Air Duct Cleaning in Los Altos, CA
A standard single-system home in the 94022 or 94024 zip codes runs $450 – $650 for full cleaning. Homes with two systems, common in the larger ranch-style properties near Los Altos Hills, run $800 – $1,200. An Eichler with three separate systems runs $1,400 – $2,000. Camera inspection adds $150 – $300 when booked with cleaning. What drives cost in Los Altos specifically is system count, not square footage. A 1,400-square-foot Eichler with three duct systems costs more than a 2,200-square-foot ranch with one. We quote per system before work starts, and that number does not change at the door. Call (877) 358-5491 and we’ll walk through your home’s system count and give you a real number.
We Also Serve Cities Near Los Altos
Our Air Duct Cleaning in Los Altos coverage extends into the surrounding Santa Clara County communities. We work regularly in Alviso, Saratoga, Milpitas, and Newark for homeowners and property managers who want the same per-system pricing and camera-documented results. If your property sits near the Los Altos border, call us and confirm your zip code is in our service area.
Serving Los Altos, CA – Our Local Coverage Area
We’re based in the Los Altos 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 Los Altos
That is two separate duct systems, and possibly three if there’s a crawlspace flex run as well. The original closet furnace has short plenum ducts that are metal, short, and often full of decades of dust and rodent debris. The attic AC retrofit is flex duct, entirely separate, and needs its own agitation and negative pressure setup. We price them separately and document them separately. A flat whole-house quote that treats both as one run will not clean both properly.
Because a single number hides skips. If a Los Altos home has three systems and the quote says “whole house,” there’s no way to verify that the tech actually ran tools through the original plenum, the attic flex, and the crawlspace run. Per-system pricing forces each run to be named, accessed, cleaned, and documented. You can read the invoice and see exactly what was done. That is the point. Call (877) 358-5491 and we’ll scope your systems honestly.
At minimum: before-and-after camera stills for each named system, a per-system write-up of what was found and what was removed, and a note on any liner condition or damage observed. For Los Altos crawlspace runs specifically, we document access points, duct length cleaned, and any sections that could not be reached. If a contractor cannot produce that, assume the work was not done in the runs you cannot see.
Yes. The crawlspace access points on 1950s and 1960s Los Altos homes are rarely sealed well, and the area’s mature landscaping means rodents are present. They nest in flex runs and plenums. Cleaning that involves more than vacuuming: the nest material has to be removed, the affected section documented, and the access point identified. This is also why camera inspection matters here more than in newer cities with slab construction and no crawlspace ducts.
It should include camera inspection of every system the inspector flagged, source removal of debris and nests, negative-pressure cleaning so dislodged material leaves through the vacuum rather than your registers, and per-system documentation you can show to the inspector, the lender, or keep for the first year. In Los Altos specifically, the flagged item is often a low-clearance crawlspace run with deteriorating fiberglass liner. Ask for liner condition in the write-up. Call (877) 358-5491 for a free estimate, and we’ll tell you exactly what your inspection report requires.
Written by Nate Espinoza, Owner at Duct Cleaning Milpitas, serving Los Altos and surrounding Santa Clara County communities.