Metal ductwork running through a home, insulated and sealed at the joints
Same-day air duct service in San Diego, CA

Air Duct Servicesin San Diego, CA

San Diego 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.

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Air Duct Service Co — San Diego, CA

Every air duct service, one San Diego call

The six services San Diego homeowners call us for most - from clearing smoke residue out of a trunk to sealing an attic system end to end. Everything on this page is air duct in San Diego, CA — the work, the local conditions and the coverage.

Technician feeding an air whip into a floor vent in a home living room 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 Diego County, open-window months load systems steadily, and every run gets scrubbed along its full length. Air Duct Cleaning in San Diego, CA starts with a real look at the problem — never a guess over the phone.

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Technician inspecting a ceiling return vent with a flashlight inside a home 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 Diego, CA are the same ones who cover the ZIP codes listed below.

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Technician joining a duct section back together in a home attic Repair Air Duct Repair

Crushed, torn or disconnected ducts leak the air you pay to heat and cool. In San Diego, the repair list often starts overhead: heat-dried joints, shifted takeoffs and brittle flex runs in the attic. We repair and rebuild damaged sections so airflow is strong and even again. It is why air duct repair in San Diego, CA keeps getting recommended to neighbors.

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Technician connecting a new flex duct to the furnace inside a home 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 Diego County, attic installs are routed and strapped to avoid the sags and kinks that choke older systems here. That is air duct installation in San Diego, CA, done the way it should be.

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Technician brushing mastic sealant onto a duct joint in a home attic 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. In San Diego County, a sealed system also keeps smoke-season air where it belongs - inside, filtered, instead of leaking at every joint. For air duct sealing in San Diego, CA, one call books the visit and a local tech takes it from there.

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Two technicians cleaning the ductwork in a home with a professional duct machine Cleaning & Care Commercial Air Duct Cleaning

Offices, restaurants, retail and multi-unit buildings across San Diego — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. In San Diego County, property managers get a camera record of each system - useful documentation after smoke season for tenants and insurers alike. Commercial Air Duct Cleaning in San Diego, CA starts with a real look at the problem — never a guess over the phone.

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Need 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.

Local conditions

San Diego ducts have San Diego problems

A duct system in San Diego 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.

Wildfire smoke settles in the ducts

Smoke is the finest dust there is, and during fire season it penetrates homes across San Diego 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.

The smell that outlasts the smoke

Owners across San Diego 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.

Pollen nearly all year

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.

Crawlspace systems on older lots

Raised-foundation homes around San Diego 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.

San Diego sits in San Diego County, and the ZIP list at the bottom of this page covers 33 serviceable ZIP codes — 92101 through 92199. The closest served neighbors are La Mesa, Lemon Grove, Coronado, and every one of them is covered by the same crews, the same day, under the same number: (888) 258-5005.

Cold air duct? Warm answer.

Same-day service, free estimates, licensed & insured — and a air duct that lights when you click the remote.

How it works

How it works in San Diego, CA

Every San Diego 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.

1. You call, we book

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 San Diego tech, same day whenever a slot is open.

2. Free duct inspection

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.

3. The work itself

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 San Diego home.

4. Before and after, shown

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.

Reviews

San Diego reviews


5 stars — based on 100+ reviews. San Diego 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.

Questions

Asked the way San Diego asks

How often should ducts be cleaned in California?

Every few years for most San Diego homes - sooner after a heavy smoke season, a remodel, or in allergy households. Coastal and inland systems age differently, so we camera-inspect free and show you your own trunk; the right interval comes from what is actually in there.

How do you clean the ducts - what is the process?

Our negative-air machine seals onto the main trunk duct and puts the whole system under suction first. Then each individual run is scrubbed on its own, so loosened dust and smoke residue travel toward the trunk and into the machine - never back into your rooms. We finish at the registers and show you the before-and-after on camera.

Can cleaning help after wildfire smoke exposure?

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 San Diego County homeowners use to close out a smoke season indoors.

Why does one room never cool like the rest?

Usually the run serving it: a separated attic joint, a kinked flex run, or a conversion room tied into an undersized trunk. In San Diego we trace the run on the inspection camera, and repair, sealing or a properly sized new run fixes it at the cause.

My home is older with original ducts - worth inspecting?

Yes - original ductwork is the most common hidden cause of comfort and dust complaints in older San Diego homes. The camera shows buildup, leaks and undersized returns plainly, and you can decide what, if anything, is worth doing from evidence.

Do you give prices over the phone?

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.

Where we work

San Diego, CA ZIP codes we serve

Air Duct Service Co is a national company with local technicians serving San Diego 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 Diego list below covers 33 ZIP codes, 92101 through 92199.

92101 92102 92103 92104 92105 92106 92107 92108 92109 92110 92111 92113 92114 92115 92116 92117 92118 92119 92120 92121 92122 92123 92124 92126 92127 92128 92129 92130 92131 92139 92154 92173 92199

Don't see your ZIP? San Diego 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: La Mesa, CA · Lemon Grove, CA · Coronado, CA · National City, CA · Santee, CA · El Cajon, CA.

Map of San Diego, CA — © OpenStreetMap contributors
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