In Berkeley, what ends up inside your ductwork depends on where in California you live - wildfire smoke one season, valley dust the next, coastal damp after that. We clean the system from the main trunk out, inspect it on camera and seal the leaks that waste conditioned air.
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Cleaning, inspection, repair, installation, sealing and commercial work - the full air duct service list for Berkeley, with free inspections and the same crew on every job. This page covers air duct in Berkeley, CA end to end — the services, the local picture and the ZIP codes served.
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. That local standard is what air duct cleaning in Berkeley, CA means with Air Duct Service Co.
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Cleaning & Care
Air Duct Inspection
Around Berkeley, findings come back in plain language: what is clean, what needs work soon, and what can safely wait. 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. When neighbors talk about air duct inspection in Berkeley, CA, this is the visit they mean.
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Repair
Air Duct Repair
Crushed, torn or disconnected ducts leak the air you pay to heat and cool. Crawlspace runs with sagging insulation and sweating joints get rebuilt and wrapped properly. We repair and rebuild damaged sections so airflow is strong and even again. Booking air duct repair in Berkeley, CA takes one call, and the tech arrives with everything the job needs.
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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. Around Berkeley, additions get runs sealed and balanced with the existing system, so the new room matches the house. When neighbors talk about air duct installation in Berkeley, CA, this is the visit they mean.
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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. The sealing visit starts with a leak check, so you see where the air was going before we close it up. Air Duct Sealing in Berkeley, CA runs on one standard: done properly, checked, and shown to you before we leave.
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Cleaning & Care
Commercial Air Duct Cleaning
Offices, restaurants, retail and multi-unit buildings across Berkeley — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. The same negative-air method scales up: one machine sealed onto the trunk, every run cleaned individually, no shortcuts on bigger systems. That is commercial air duct cleaning in Berkeley, CA, done the way it should be.
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 Berkeley 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.
Smoke is the finest dust there is, and during fire season it penetrates homes across Berkeley even with windows shut. The duct system collects it in the trunk and returns, and after the skies clear the house keeps recirculating that residue - and its smell - until the system is cleaned from the trunk out.
Owners across Alameda County notice it every year: weeks after a smoke event, the AC or heat still carries a faint campfire note at startup. That is smoke residue stored in duct dust, releasing a little with every cycle. Cleaning the reservoir is what ends it.
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.
Small tremors are a fact of life in Berkeley, 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.
Berkeley sits in Alameda County, and the ZIP list at the bottom of this page covers 9 serviceable ZIP codes — 94702 through 94710. The closest served neighbors are Albany, Emeryville, El Cerrito, 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.
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 Berkeley, 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 Berkeley 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 Berkeley, heat-dried tape and shifted joints are the standing culprits, and mastic sealing is the lasting fix.
Yes - original ductwork is the most common hidden cause of comfort and dust complaints in older Berkeley 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 Berkeley, 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.
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 Berkeley 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 Berkeley list below covers 9 ZIP codes, 94702 through 94710.
Don't see your ZIP? Berkeley 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: Albany, CA · Emeryville, CA · El Cerrito, CA · Piedmont, CA · Oakland, CA · Orinda, CA.
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