Clean vent register grille on the wall of a home

Same-day air duct service in Simi Valley, CA

Air Duct Servicesin Simi Valley, CA

From coastal homes that open their windows half the year to inland homes sealed against the heat, Simi Valley duct systems collect a California mix of dust, pollen and smoke residue. Free inspections, same-day service and a camera view of your own ducts before we recommend anything.

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Air Duct Service Co — Simi Valley, CA

Every air duct service, one Simi Valley call

The six services Simi Valley 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 Simi Valley, 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. Coastal homes in Simi Valley get the damp-side buildup cleared from low runs and crawlspace trunks. When neighbors talk about air duct cleaning in Simi Valley, CA, this is the visit they mean.

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

Cleaning & Care Air Duct Inspection

For a Simi Valley home you just bought, the inspection shows the condition of the one system nobody ever shows buyers. 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. Air Duct Inspection in Simi Valley, CA runs on one standard: done properly, checked, and shown to you before we leave.

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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 Simi Valley, 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. The crews behind air duct installation in Simi Valley, CA are the same ones who cover the ZIP codes listed below.

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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. For air duct sealing in Simi Valley, 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 Simi Valley — 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 Simi Valley, CA runs on one standard: done properly, checked, and shown to you before we leave.

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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

Simi Valley ducts have Simi Valley problems

A duct system in Simi Valley 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 heat bakes attic systems

Inland Simi Valley 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.

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.

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 Simi Valley 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.

Simi Valley sits in Ventura County, and the ZIP list at the bottom of this page covers 2 serviceable ZIP codes — 93063 through 93065. The closest served neighbors are Moorpark, Agoura Hills, Westlake Village, 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 Simi Valley asks

How often should ducts be cleaned in California?

Every few years for most Simi Valley 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 Simi Valley 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 Simi Valley homes. The camera shows buildup, leaks and undersized returns plainly, and you can decide what, if anything, is worth doing from evidence.

Do you clean ducts in commercial buildings here?

Yes - offices, restaurants, retail, medical suites and multi-unit buildings across Simi Valley, 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.

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

Simi Valley, CA ZIP codes we serve

Air Duct Service Co is a national company with local technicians serving Simi Valley 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 Simi Valley list below covers 2 ZIP codes, 93063 through 93065.

93063 93065

Don't see your ZIP? Simi Valley 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: Moorpark, CA · Agoura Hills, CA · Westlake Village, CA · Hidden Hills, CA · Calabasas, CA · Thousand Oaks, CA.