From older homes with crawlspace systems to new builds with heat pumps, Redmond ductwork shares the same enemies: moisture, pollen and time. Free inspections, same-day service and a camera view of your own ducts before we recommend anything.
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Cleaning, inspection, repair, installation, sealing and commercial work - the full air duct service list for Redmond, with free inspections and the same crew on every job. This page covers air duct in Redmond, WA end to end — the services, the local picture and the ZIP codes served.
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. Heat-pump homes in Redmond benefit most from a clean trunk, since the fan moves that air more hours of the day. Air Duct Cleaning in Redmond, WA is one call away, every day of the week.
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Cleaning & Care
Air Duct Inspection
In Redmond, the camera pays closest attention to crawlspace runs, where damp and sagging insulation hide the system's real condition. 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 Redmond, WA means with Air Duct Service Co.
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Repair
Air Duct Repair
Crushed, torn or disconnected ducts leak the air you pay to heat and cool. In Redmond, the repair list often starts in the crawlspace: sweating joints, sagging insulation and runs damaged by moisture. We repair and rebuild damaged sections so airflow is strong and even again. That is air duct repair in Redmond, WA, done the way it should be.
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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. Every new joint is sealed with mastic, because a new duct leaking heated air into a crawlspace is wasted from day one. That is air duct installation in Redmond, WA, done the way it should be.
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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. The sealing visit starts with a leak check, so you see where the air was going before we close it up. The crews behind air duct sealing in Redmond, WA are the same ones who cover the ZIP codes listed below.
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Cleaning & Care
Commercial Air Duct Cleaning
Offices, restaurants, retail and multi-unit buildings across Redmond — scheduled commercial duct cleaning with the same negative-air machine sealed onto the trunk, keeping your space comfortable, compliant and breathing clean. In King County, property managers get a camera record of each system, so condition is documented between tenants. Commercial Air Duct Cleaning in Redmond, WA is one call away, every day of the week.
Get a free estimateNeed 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.
A duct system in Redmond works through wet winters in a sealed house, often from a damp crawlspace, and increasingly alongside a heat pump. This is what we actually find here, and what we check on every visit.
Most Redmond homes run ductwork through a crawlspace that stays cool and damp most of the year. Insulation sags, joints sweat, and dust inside the runs sits in moisture. The musty smell at startup in these homes is a crawlspace story until proven otherwise.
Tree pollen arrives in Redmond in a rush each spring - alder, birch and cedar in turn - and coats everything for weeks. Return ducts store the season's load, and allergy households keep breathing spring pollen from the system well into summer.
Heat pumps are everywhere in Washington now, and they move air more hours of the day than the furnaces they replaced. More fan hours means the dust load in the ductwork gets delivered more often - and filters and ducts both earn attention sooner.
Cool supply ducts passing through humid crawlspaces in King County can sweat on their outer surfaces in summer. Torn or missing insulation is usually behind it, and the dripping wets joists and subfloor - a duct repair and insulation fix, caught early on an inspection.
Redmond sits in King County, and the ZIP list at the bottom of this page covers 4 serviceable ZIP codes — 98033 through 98074. The closest served neighbors are Bellevue, Kirkland, Sammamish, and every one of them is covered by the same crews, the same day, under the same number: (888) 258-5005.
Same-day service, free estimates, licensed & insured — and a air duct that lights when you click the remote.
In Redmond, the usual cause is dust that has sat in damp ductwork - crawlspace runs especially - through the wet months. The first heating cycles deliver that stored smell to every room. A cleaning from the main trunk out clears the source; if the odor returns fast, the inspection checks for wet insulation or a return pulling crawlspace air.
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.
Rooms that lag the thermostat, long heating cycles, dust returning days after cleaning and weak flow at far registers. Under Redmond homes, separated crawlspace joints and unsealed returns are the standing findings, and mastic sealing is the lasting fix.
The ductwork is the same, but it works more hours - heat pumps move air gently and often, so a dust load gets delivered more times a day. Keeping the trunk and returns clean, and the returns sealed properly, matters more, not less, behind a heat pump.
Yes - offices, restaurants, retail, schools and multi-unit buildings across Redmond, 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.
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.
Air Duct Service Co is a national company with local technicians serving Redmond street addresses across the ZIP codes below — same-day service and free estimates, every day 8 AM – 8 PM. More of Washington is covered from our Washington page. The Redmond list below covers 4 ZIP codes, 98033 through 98074.
Don't see your ZIP? Redmond 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: Bellevue, WA · Kirkland, WA · Sammamish, WA · Beaux Arts Village, WA · Clyde Hill, WA · Hunts Point, WA.
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