After a smoky summer, Santa Clara County homes can hold onto the smell long after the air outside clears - because the ductwork stored the fine particles and keeps recirculating them. A trunk-first cleaning removes the reservoir the smoke settled into.
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From an older home with original ductwork to a sealed inland house that ran through smoke season, these are the six duct services San Jose homeowners book with us. Below is air duct in San Jose, 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. In San Jose, the cleaning focuses on the stored load - smoke residue, pollen and dust layered through the trunk. That is air duct cleaning in San Jose, CA, done the way it should be.
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Cleaning & Care
Air Duct Inspection
The camera sees the full trunk, so original decades-old ductwork gets an honest read without opening walls. 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. The crews behind air duct inspection in San Jose, CA are the same ones who cover the ZIP codes listed below.
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Repair
Air Duct Repair
Crushed, torn or disconnected ducts leak the air you pay to heat and cool. In Santa Clara County, the uncomfortable room is usually a duct problem, and the repair follows the run until airflow balances. We repair and rebuild damaged sections so airflow is strong and even again. That is air duct repair in San Jose, CA, done the way it should be.
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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 San Jose, ADUs and garage conversions get ductwork sized for the space, not tied in as an afterthought. Air Duct Installation in San Jose, CA runs on one standard: done properly, checked, and shown to you before we leave.
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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. Around San Jose, we replace heat-dried tape with professional mastic at seams, boots and plenum connections. When neighbors talk about air duct sealing in San Jose, CA, this is the visit they mean.
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Cleaning & Care
Commercial Air Duct Cleaning
Offices, restaurants, retail and multi-unit buildings across San Jose — 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. For commercial air duct cleaning in San Jose, CA, one call books the visit and a local tech takes it from there.
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 San Jose 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.
Inland San Jose summers push attics to extremes, and the ductwork living there ages fast - tape dries, flex jackets get brittle, joints separate. Cooled air leaks overhead while the system runs long afternoons, and sealing is usually where the fix starts.
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 San Jose 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.
With something blooming in California in almost every month, pollen is not a season here so much as a rotation - trees, grasses, weeds in turn. Return ducts collect each wave, and allergy households feel the stored load most when the house is sealed tight.
San Jose sits in Santa Clara County, and the ZIP list at the bottom of this page covers 31 serviceable ZIP codes — 95101 through 95148. The closest served neighbors are Campbell, Santa Clara, Milpitas, 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.
It removes the indoor reservoir: smoke that settled into duct dust keeps recirculating long after outdoor air clears. Cleaning the trunk and returns, plus a fresh high-quality filter, is the combination Santa Clara County homeowners use to close out a smoke season indoors.
Yes - original ductwork is the most common hidden cause of comfort and dust complaints in older San Jose homes. The camera shows buildup, leaks and undersized returns plainly, and you can decide what, if anything, is worth doing from evidence.
Yes - offices, restaurants, retail, medical suites and multi-unit buildings across San Jose, 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 San Jose 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.
Yes - same-day service is available in San Jose, along with free inspections and estimates before any work starts. We are licensed and insured, with 10+ years of experience and 100+ 5-star reviews. Call early in the day for the best chance of a same-day visit.
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 San Jose 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 San Jose list below covers 31 ZIP codes, 95101 through 95148.
Don't see your ZIP? San Jose 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: Campbell, CA · Santa Clara, CA · Milpitas, CA · Monte Sereno, CA · Saratoga, CA · Los Gatos, CA.
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