Clean vent register grille on the wall of a home

Same-day air duct service in Denver, CO

Air Duct Servicesin Denver, CO

From older homes near the foothills to fast-growing subdivisions on the benches, Denver duct systems share the same intake: dry dust, pollen, smoke residue and construction grit. 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 — Denver, CO

Every air duct service, one Denver call

The six services Denver homeowners call us for most - from clearing a trunk after smoke season to finishing ductwork in a fast-growing subdivision. Everything on this page is air duct in Denver, CO — 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 Denver County, basement trunks carry the heaviest load, and the camera checks the trunk first and last. That local standard is what air duct cleaning in Denver, CO means with Air Duct Service Co.

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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. Booking air duct inspection in Denver, CO takes one call, and the tech arrives with everything the job needs.

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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 Denver County, the cold room over the garage 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. Booking air duct repair in Denver, CO takes one call, and the tech arrives with everything the job needs.

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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 Denver, basement finishes and additions get ductwork sized for the coldest winter week at altitude, not the average day. Air Duct Installation in Denver, CO is one call away, every day of the week.

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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 Denver County, sealing the trunk alone often evens out the rooms above it within a day. Air Duct Sealing in Denver, CO starts with a real look at the problem — never a guess over the phone.

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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 Denver — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. In Denver, we schedule around business, school and resort hours, so the work never costs you an open day. Commercial Air Duct Cleaning in Denver, CO 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

Denver ducts have Denver problems

A duct system in Denver 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.

Smoke summers settle indoors

Wildfire smoke reaches Denver most summers now, whether the fire is in-state or states away. The finest particles penetrate closed homes and settle into duct dust, and the system keeps recirculating that residue - and a faint smoke note at startup - until the trunk and returns are cleaned out.

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.

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 Denver, 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.

Denver sits in Denver County, and the ZIP list at the bottom of this page covers 52 serviceable ZIP codes — 80012 through 80299. The closest served neighbors are Glendale, Edgewater, Wheat Ridge, 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 Denver asks

Why is there so much dust in my house if I clean regularly?

At altitude, dry air keeps dust airborne until the returns collect it - so in Denver, much of your house dust is stored in the ductwork and recirculated, not sitting on surfaces. Cleaning the trunk and returns out removes the reservoir, and most homes notice surfaces staying clean noticeably longer.

How often should ducts be cleaned in the mountains?

Every few years for most Denver homes - sooner after a heavy smoke summer, a basement finish, or in new subdivisions still surrounded by construction. We camera-inspect free and show you the inside of your own trunk, so the timing 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 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 Denver 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.

What are the signs my ducts are leaking?

Long furnace cycles, rooms that lag the thermostat, dust that returns days after cleaning and weak flow at far registers. Mountain temperature swings loosen joints steadily, so Denver systems benefit from a leak check whenever comfort slips; mastic sealing is the lasting fix.

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

Denver, CO ZIP codes we serve

Air Duct Service Co is a national company with local technicians serving Denver 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 Denver list below covers 52 ZIP codes, 80012 through 80299.

80012 80014 80022 80033 80123 80127 80202 80203 80204 80205 80206 80207 80209 80210 80211 80212 80214 80215 80216 80218 80219 80220 80221 80222 80223 80224 80226 80227 80228 80229 80230 80231 80232 80233 80234 80235 80236 80237 80238 80239 80241 80246 80247 80249 80260 80264 80265 80266 80290 80293 80294 80299

Don't see your ZIP? Denver 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: Glendale, CO · Edgewater, CO · Wheat Ridge, CO · Sheridan, CO · Lakewood, CO · Cherry Hills Village, CO.