Los Altos homes were built across a century of styles, and their duct systems range from original metal in older neighborhoods to flex in attic retrofits. Our negative-air machine seals onto the main trunk and puts the whole system under suction first, then every run is scrubbed individually.
Your information is kept private and used only for your air duct service request.
From an older home with original ductwork to a sealed inland house that ran through smoke season, these are the six duct services Los Altos homeowners book with us. Below is air duct in Los Altos, CA in full — every service, the local conditions and the areas covered.
Cleaning & Care
Air Duct Cleaning
Our negative-air machine seals onto the main trunk duct and puts the whole system under suction first. Then each run is scrubbed individually, so years of dust and debris travel one way only — out of the ducts and into the machine. Booking air duct cleaning in Los Altos, CA takes one call, and the tech arrives with everything the job needs.
Get a free estimate
Cleaning & Care
Air Duct Inspection
A camera goes inside your ductwork so you can see exactly what's in there — buildup, damage or blockages — before we recommend anything. Inspections are free. Air Duct Inspection in Los Altos, CA starts with a real look at the problem — never a guess over the phone.
Get a free estimate
Repair
Air Duct Repair
Crushed, torn or disconnected ducts leak the air you pay to heat and cool. Around Los Altos, we repair original metal systems and modern flex retrofits alike. We repair and rebuild damaged sections so airflow is strong and even again. The crews behind air duct repair in Los Altos, CA are the same ones who cover the ZIP codes listed below.
Get a free estimate
Install & Replace
Air Duct Installation
New duct runs for additions, remodels and system upgrades — sized, sealed and balanced so every room gets its share of heating and cooling. In Los Altos, ADUs and garage conversions get ductwork sized for the space, not tied in as an afterthought. It is why air duct installation in Los Altos, CA keeps getting recommended to neighbors.
Get a free estimate
Repair
Air Duct Sealing
Leaky joints quietly waste a big share of your airflow. We seal seams and connections with professional mastic for a tighter, more efficient system. The crews behind air duct sealing in Los Altos, CA are the same ones who cover the ZIP codes listed below.
Get a free estimate
Cleaning & Care
Commercial Air Duct Cleaning
Offices, restaurants, retail and multi-unit buildings across Los Altos — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. Offices across California often book after fire season, clearing the stored residue before staff complaints start. That local standard is what commercial air duct cleaning in Los Altos, CA means with Air Duct Service Co.
Get a free estimateNeed something else — a damper, a blower, a smoke problem, a bird in the flue? We cover all 27 air duct specialties. Call (888) 258-5005 and describe it.
A duct system in Los Altos may face wildfire smoke, valley heat, coastal moisture or all three across the year. This is what we actually find here, and what we check on every visit.
Closer to the coast, the pattern flips: mild temperatures, marine-layer moisture and systems that sit idle for stretches. Dust inside those ducts sits in damp air, musty startup smells are common, and returns near the floor collect a heavier, damper load.
Many Los Altos neighborhoods carry duct systems installed decades ago - undersized returns, unsealed seams, runs that were never insulated. The equipment may have been replaced twice while the ducts stayed original, and the inspection shows what that means for airflow and dust.
Small tremors are a fact of life in Los Altos, and duct joints in attics and crawlspaces shift a little with each one. Over years, takeoffs loosen and seams open. A comfort problem with no obvious cause is worth a camera look at the connections overhead.
Raised-foundation homes around Los Altos run ducts through crawlspaces that stay cool and damp. Insulation sags, joints sweat and dust inside the runs sits in moisture - the musty startup smell in these homes is a crawlspace duct story more often than not.
Los Altos sits in Santa Clara County, and the ZIP list at the bottom of this page covers 2 serviceable ZIP codes — 94022 through 94024. The closest served neighbors are Los Altos Hills, Mountain View, Cupertino, and every one of them is covered by the same crews, the same day, under the same number: (888) 258-5005.
Same-day service, free estimates, licensed & insured — and a air duct that lights when you click the remote.
Every Los Altos visit runs the same way — booked in one call, checked inside the ducts, and finished with the before-and-after shown to you, not just described.
Call (888) 258-5005 and tell us what the house is telling you — dust that comes back within days, rooms that never quite cool, airflow that feels weak. We book a local Los Altos tech, same day whenever a slot is open.
The visit starts with a look inside the ductwork — at the registers and at the main trunk — so the diagnosis is something you can see for yourself, and the inspection is free.
A negative-air machine seals onto the main trunk and pulls debris out under vacuum while each register is cleaned in turn, so the dust leaves through the machine — not into your Los Altos home.
You see inside the ducts before we start and after we finish, and any work beyond the cleaning is priced and agreed before it begins. Estimates are always free.
5 stars — based on 100+ reviews. Los Altos homeowners rate Air Duct Service Co five stars across Google and Facebook, and they mention the same things: the free inspection, the sealed negative-air setup that keeps the dust out of the house, and ducts they could see before and after. Call (888) 258-5005 and put us to the same test.
Because the ductwork kept it. Fine smoke particles settled into the dust inside your trunk and returns during the event, and every cycle since has released a little back into the rooms. In Los Altos, a cleaning from the main trunk out removes that stored residue, and the startup smell goes with it.
Usually the run serving it: a separated attic joint, a kinked flex run, or a conversion room tied into an undersized trunk. In Los Altos we trace the run on the inspection camera, and repair, sealing or a properly sized new run fixes it at the cause.
Rooms that lag the thermostat, long AC cycles on ordinary days, dust returning soon after cleaning and weak airflow at distant registers. In attic systems across Los Altos, heat-dried tape and shifted joints are the standing culprits, and mastic sealing is the lasting fix.
Yes - offices, restaurants, retail, medical suites and multi-unit buildings across Los Altos, scheduled around your hours. Commercial systems get the same method: the negative-air machine sealed onto the trunk, every run cleaned individually, and a camera record of condition.
In inland Los Altos homes with attic systems, leaks spill cooled air into a hot attic on every cycle, and sealing them means the equipment runs less to hold temperature. We leak-check on every inspection and tell you plainly which work would actually pay off.
No — and be wary of anyone who does. Every duct system is a different size and condition, so a phone price is a guess that changes at your door. Our inspections and estimates are free: a tech looks inside your actual ductwork first, then gives you one clear price before any work starts.
Air Duct Service Co is a national company with local technicians serving Los Altos street addresses across the ZIP codes below — same-day service and free estimates, every day 8 AM – 8 PM. More of California is covered from our California page. The Los Altos list below covers 2 ZIP codes, 94022 through 94024.
Don't see your ZIP? Los Altos also uses P.O. Box and single-organization ZIP codes that have no street addresses — call (888) 258-5005 and we will confirm coverage for your street address on the call.
Also serving nearby: Los Altos Hills, CA · Mountain View, CA · Cupertino, CA · Sunnyvale, CA · Palo Alto, CA · Portola Valley, CA.
Message sent.
Thanks — we'll get back to you shortly. Need it faster?
