Professional negative-air duct cleaning equipment connected to a home duct system

Same-day air duct service in Boulder, CO

Air Duct Servicesin Boulder, CO

Boulder homes heat hard through winter and cool through dry summers, and their duct systems run through basements, crawlspaces and attics that swing widely in temperature. 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 — Boulder, CO

Every air duct service, one Boulder call

From a foothills home with an original system to a new build full of construction dust, these are the six duct services Boulder homeowners book with us. Below is air duct in Boulder, CO 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. After a basement finish in Boulder, the cleaning clears the drywall dust the project packed into the system. Air Duct Cleaning in Boulder, CO 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

Around Boulder, 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. It is why air duct inspection in Boulder, CO keeps getting recommended to neighbors.

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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. Damaged sections are rebuilt with proper metal and mastic, so the fix holds through hard heating seasons. We repair and rebuild damaged sections so airflow is strong and even again. That local standard is what air duct repair in Boulder, CO means with Air Duct Service Co.

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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. That is air duct installation in Boulder, CO, 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 Boulder County, sealing the trunk alone often evens out the rooms above it within a day. Air Duct Sealing in Boulder, CO is one call away, every day of the week.

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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 Boulder — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. Around Boulder, multi-unit buildings get a unit-by-unit plan, with each system cleaned from its own trunk. For commercial air duct cleaning in Boulder, CO, one call books the visit and a local tech takes it from there.

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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

Boulder ducts have Boulder problems

A duct system in Boulder heats through a long winter at altitude, breathes dry dust and summer smoke, and often serves a home still settling into new construction. This is what we actually find here, and what we check on every visit.

Temperature swings work the joints

Mountain weather swings hard - cold nights, sunny afternoons, shoulder seasons that flip daily. Ductwork in attics and crawlspaces expands and contracts through it all, joints loosen and tape ages early, so mountain systems earn leak checks more often than their age suggests.

Booming growth, construction dust

The benches and valleys around Boulder are building fast, and systems routinely run during drywall, sanding and paint. New ductwork starts life loaded with construction dust, and in a dusty dry climate that first load is joined quickly by a second one from unlandscaped lots.

Inversion days trap it all

Winter inversions in Colorado valleys trap pollution at ground level for days, and homes breathe that air the whole time. What gets indoors settles where indoor air goes - including the duct system, which keeps its share circulating after the sky clears.

Finished basements, hidden runs

Finishing a basement is the standard upgrade in Boulder, and it boxes ductwork into soffits where leaks and dust loads hide for years. A camera inspection reads those runs honestly without opening ceilings, and post-project cleaning clears the drywall dust the work left behind.

Boulder sits in Boulder County, and the ZIP list at the bottom of this page covers 5 serviceable ZIP codes — 80301 through 80305. The closest served neighbors are Louisville, Superior, Lafayette, 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 Boulder 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 travels 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 a smoky summer?

Yes - it clears the indoor reservoir. Smoke particles that settled into duct dust across Boulder County keep recirculating at startup long after the air outside clears. Cleaning the trunk and returns, with a fresh filter, is how most households close the season out.

Is duct cleaning worth it in a brand-new home?

In the fast-growing areas around Boulder, often yes: systems run during construction and drywall dust packs into new ductwork before move-in, with raw-lot dust following. The free inspection camera settles it in minutes - clean trunk, honest answer, no work sold.

Do you clean ducts in commercial buildings here?

Yes - offices, restaurants, retail, schools, ski-area and multi-unit buildings across Boulder, 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 offer same-day air duct service in Boulder?

Yes - same-day service is available in Boulder, along with free inspections and estimates before any work starts. We are licensed and insured, with 10+ years of experience and 100+ 5-star reviews. Call early in the day for the best chance of a same-day visit, especially in the first cold snap.

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

Boulder, CO ZIP codes we serve

Air Duct Service Co is a national company with local technicians serving Boulder street addresses across the ZIP codes below — same-day service and free estimates, every day 8 AM – 8 PM. More of Colorado is covered from our Colorado page. The Boulder list below covers 5 ZIP codes, 80301 through 80305.

80301 80302 80303 80304 80305

Don't see your ZIP? Boulder 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: Louisville, CO · Superior, CO · Lafayette, CO · Jamestown, CO · Broomfield, CO · Nederland, CO.