Clean vent register grille on the wall of a home

Same-day air duct service in Claremont, CA

Air Duct Servicesin Claremont, CA

After a smoky summer, Los Angeles 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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Air Duct Service Co — Claremont, CA

Every air duct service, one Claremont call

The six services Claremont 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 Claremont, 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 Los Angeles County, open-window months load systems steadily, and every run gets scrubbed along its full length. Air Duct Cleaning in Claremont, CA is one call away, every day of the week.

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Technician inspecting a ceiling return vent with a flashlight inside a home

Cleaning & Care Air Duct Inspection

In Los Angeles County, an inspection after smoke season shows how much residue the system stored. 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. That is air duct inspection in Claremont, CA, done the way it should be.

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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. 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. Air Duct Repair in Claremont, CA is one call away, every day of the week.

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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. When neighbors talk about air duct installation in Claremont, CA, this is the visit they mean.

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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. Returns get sealed too, so the system stops pulling unfiltered attic or crawlspace air through return gaps. The crews behind air duct sealing in Claremont, CA are the same ones who cover the ZIP codes listed below.

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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 Claremont — 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. Commercial Air Duct Cleaning in Claremont, CA is one call away, every day of the week.

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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

Claremont ducts have Claremont problems

A duct system in Claremont 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.

The smell that outlasts the smoke

Owners across Los Angeles 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.

Coastal damp in the ductwork

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.

Old homes, original ductwork

Many Claremont 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.

Crawlspace systems on older lots

Raised-foundation homes around Claremont 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.

Claremont sits in Los Angeles County, and the ZIP list at the bottom of this page covers 1 serviceable ZIP codes — 91711 through 91711. The closest served neighbors are La Verne, Upland, Montclair, 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.

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Questions

Asked the way Claremont asks

The smoke is gone but my house still smells like it - why?

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 Claremont, a cleaning from the main trunk out removes that stored residue, and the startup smell goes with it.

How often should ducts be cleaned in California?

Every few years for most Claremont 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.

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 Claremont we trace the run on the inspection camera, and repair, sealing or a properly sized new run fixes it at the cause.

Will sealing ducts help my energy use?

In inland Claremont 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.

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

Claremont, CA ZIP codes we serve

Air Duct Service Co is a national company with local technicians serving Claremont 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 Claremont list below covers 1 ZIP codes, 91711 through 91711.

91711

Don't see your ZIP? Claremont 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 Verne, CA · Upland, CA · Montclair, CA · Pomona, CA · San Dimas, CA · Ontario, CA.