Metal ductwork running through a home, insulated and sealed at the joints

Same-day air duct service in Los Angeles, CA

Air Duct Servicesin Los Angeles, CA

Los Angeles 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 — Los Angeles, CA

Every air duct service, one Los Angeles call

From an older home with original ductwork to a sealed inland house that ran through smoke season, these are the six duct services Los Angeles homeowners book with us. Below is air duct in Los Angeles, CA in full — every service, the local conditions and the areas covered.

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, the cleaning focuses on the stored load - smoke residue, pollen and dust layered through the trunk. Air Duct Cleaning in Los Angeles, 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

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 local standard is what air duct inspection in Los Angeles, CA means with Air Duct Service Co.

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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 Los Angeles 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. Air Duct Repair in Los Angeles, CA runs on one standard: done properly, checked, and shown to you before we leave.

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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. Around Los Angeles, additions get runs sealed and balanced with the existing system, so the new room matches the house. It is why air duct installation in Los Angeles, CA keeps getting recommended to neighbors.

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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. Booking air duct sealing in Los Angeles, CA takes one call, and the tech arrives with everything the job needs.

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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 Los Angeles — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. In Los Angeles, we schedule around business hours, so restaurants, offices and retail spaces stay open while the work happens. The crews behind commercial air duct cleaning in Los Angeles, CA are the same ones who cover the ZIP codes listed below.

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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

Los Angeles ducts have Los Angeles problems

A duct system in Los Angeles 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.

Inland heat bakes attic systems

Inland Los Angeles 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.

Old homes, original ductwork

Many Los Angeles 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.

Earthquake country shakes joints loose

Small tremors are a fact of life in Los Angeles, 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.

Los Angeles sits in Los Angeles County, and the ZIP list at the bottom of this page covers 66 serviceable ZIP codes — 90001 through 90230. The closest served neighbors are West Hollywood, Vernon, Culver City, 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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How it works

How it works in Los Angeles, CA

Every Los Angeles 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 Los Angeles 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 Los Angeles 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

Los Angeles reviews

5 stars — based on 100+ reviews. Los Angeles 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 Los Angeles asks

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

What are the signs my ducts are leaking?

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 Angeles, heat-dried tape and shifted joints are the standing culprits, and mastic sealing is the lasting fix.

Do you clean ducts in commercial buildings here?

Yes - offices, restaurants, retail, medical suites and multi-unit buildings across Los Angeles, 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.

Will sealing ducts help my energy use?

In inland Los Angeles 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

Los Angeles, CA ZIP codes we serve

Air Duct Service Co is a national company with local technicians serving Los Angeles 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 Angeles list below covers 66 ZIP codes, 90001 through 90230.

90001 90002 90003 90004 90005 90006 90007 90008 90010 90011 90012 90013 90014 90015 90016 90017 90018 90019 90020 90021 90022 90023 90024 90025 90026 90027 90028 90029 90031 90032 90033 90034 90035 90036 90037 90038 90039 90040 90041 90042 90043 90044 90045 90046 90047 90048 90049 90056 90057 90058 90059 90061 90062 90063 90064 90065 90066 90067 90068 90069 90071 90077 90079 90094 90134 90230

Don't see your ZIP? Los Angeles 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: West Hollywood, CA · Vernon, CA · Culver City, CA · Beverly Hills, CA · Inglewood, CA · Huntington Park, CA.