Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Air Duct Cleaning Across Sunnyvale
Air duct cleaning in Sunnyvale typically runs $450 – $850 for a full residential system, with most jobs completed in a single visit. Homes here, especially those built in the 1980s and 1990s, have a specific problem we see constantly: attic dust baked onto the inside of flex ductwork by Texas heat. We’ve been cleaning ducts long enough to know what Sunnyvale attics do to a system, and we price the work honestly before we ever show up. Call (361) 314-5449 for a written estimate.
Kestrel Air Duct Dallas serves Sunnyvale from our Dallas-Fort Worth dispatch office. Our technicians are background-checked and uniformed, and they bring professional-grade equipment to every job, not a shop vac with a brush taped to it.
Why Kestrel Air Duct Dallas Is Sunnyvale’s Preferred Air Duct Cleaning Company
We built our reputation in Sunnyvale on one thing: we say what we’ll do, in writing, before we touch a single vent. That means a fixed price in your hands, a defined arrival window, and the 365-Day Done Right Promise on every invoice. If the work falls short within a year, we return and make it right at no charge. No fine print, no arguments.
Sunnyvale homeowners tell us the same story again and again: a technician showed up late, quoted one price over the phone, then doubled it after looking at the attic. Our crews don’t do that. We walk the system first, show you what the camera sees, and hand you a written price before any equipment comes off the truck. The Kingswell Way, our code of conduct since 2004, requires it on every single visit.
Beyond pricing, local expertise matters. Our techs know where Sunnyvale ductwork hides its problems: in the unconditioned attics off Barnes Bridge Road, down the long flex runs in homes near Long Creek, and behind air handlers in neighborhoods around Town East Boulevard. That knowledge turns a routine clean into a real fix.
Styles & brands we work with
Residential Air Duct Cleaning in Sunnyvale
Residential Air Duct Cleaning in Sunnyvale means dealing with what twenty or thirty years of Texas summers leave behind. Most homes run between $450 and $850 for a complete system clean. We start with a camera inspection, because in Sunnyvale the problem is rarely just dust. Crushed flex runs, disconnected plenums, and insulation pulled into the return side are common findings in homes built before 2005. Then we run our negative-pressure extraction and brush agitation equipment to remove what’s actually coating your ducts.
What the Job Includes
We clean supply ducts, return ducts, the air handler, and the plenum. Our Nikro negative-pressure units pull contaminants out while Rotobrush rotary brushes dislodge debris at the duct wall. Abatement Technologies HEPA filtration keeps loosened particles from re-entering your living space during the work. This is source removal, not surface dusting.
Why Attic Ducts Matter Here
Sunnyvale homes often run ductwork through unconditioned attics. That’s where the trouble starts. Summer heat draws fine attic dust and insulation particles into any gap or disconnect, and what you end up with is a gray coating inside your supply ducts that keeps coming back. We seal those disconnects after cleaning. The sealing is often the actual fix.
Commercial Air Duct Cleaning in Sunnyvale
Commercial Air Duct Cleaning in Sunnyvale covers offices, clinics, and retail spaces along the Highway 80 corridor, with most jobs falling between $1,200 and $4,500 depending on system size and the number of rooftop or split units. Business owners here face the same attic dust problem as homeowners, compounded by longer runtime hours and heavier filter loading. We schedule commercial work around your operating hours and provide written documentation of the completed clean for your records.
Rooftop Units and Long Runs
Many Sunnyvale commercial buildings use rooftop package units with long duct runs through unconditioned spaces. We inspect the full path from unit to diffuser, and we often find loose flex connectors pulling attic air into the system. Cleaning without addressing those leaks means the dust returns within months.
Documentation and Guarantee
Every commercial job comes with the same 365-Day Done Right Promise we give homeowners. You get a written price before work begins, a defined arrival window, and a documented guarantee on the work. If it fails within the year, we come back at no charge.
Trusted Brands We Service in Sunnyvale
We service all major HVAC brands found in Sunnyvale homes, including Honeywell and Aprilaire filtration systems. Our technicians work with Rotobrush, Nikro, and Abatement Technologies equipment on every job. We stock common flex duct connectors, register boots, and plenum materials so we can complete most sealing and minor repair work the same day. No ordering parts and coming back next week. If your system uses a Honeywell or Aprilaire filter housing, we inspect it as part of the clean and tell you honestly whether it’s doing its job.
Common Air Duct Cleaning Problems We See in Sunnyvale Homes
- Crushed flex ducts in attic runs. Older flexible ductwork sags in the heat and gets kinked or crushed. Rooms served by those runs stay under-conditioned no matter how clean the ducts are.
- Gray ‘attic dust’ coating inside supply ducts. Unconditioned attics in Sunnyvale bake dust and insulation particles into a fine powder that settles inside duct liners within a single summer if disconnects aren’t sealed.
- Disconnected plenums at the air handler. Vibration and poor initial installation leave gaps where the plenum meets the unit. Attic air gets pulled straight into your conditioned space. We see this constantly in 1980s and 1990s homes.
- Fiberglass insulation inside return ducts. When return-side connections loosen in the attic, loose-fill insulation gets drawn in. It coats the inner liner and blows downstream into the living space. Cleaning is only half the job; sealing the leak is what stops it.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning in Sunnyvale, TX
Most Sunnyvale homes fall into these ranges: a smaller single-story home with one air handler runs $450 – $550, while a larger two-story home with dual systems can reach $750 – $850. Commercial jobs generally start around $1,200 for a single rooftop unit. What affects the price? Access to the attic, the number of returns and supplies, whether flex ducts need repair or replacement, and whether we’re sealing disconnects during the same visit. We give you the exact number in writing, after a camera inspection, before we begin. Call (361) 314-5449 and we’ll talk through your system and get you a fixed price.
We Also Serve Cities Near Sunnyvale
Our Air Duct Cleaning crews serve homes and businesses beyond Sunnyvale, including Balch Springs, Seagoville, Hutchins, and Dallas. If you’re in one of those areas and dealing with the same attic dust problems we see here, the same written-price guarantee applies. One call, one fixed quote, the same Kingswell Guarantee.
Serving Sunnyvale, TX - Our Local Coverage Area
We’re based in the Sunnyvale area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Sunnyvale
That grayish dust is typically attic dust and loose-fill insulation being pulled into your ductwork through small disconnects at the plenum or register boots. In Sunnyvale, where ducts run through unconditioned attics, summer heat makes the problem worse by drawing attic air into any leak. A cleaning that doesn’t include sealing those disconnects will see the dust return within a single cooling season. Call (361) 314-5449 and ask for a camera inspection and leak check as part of your estimate.
The clearest sign is uneven cooling: bedrooms at the far end of the house stay warm while the living room blows cold. You might also notice higher utility bills or hear a faint whistling from the attic. A camera inspection through the supply registers will confirm crushed or disconnected runs. Our techs find this in Sunnyvale homes regularly, especially where original flex ducts were installed in tight attic corners.
Yes, when the musty smell comes from mold or mildew growth inside the duct liner or drain pan. High indoor humidity in Sunnyvale’s climate can support that growth, and source removal with HEPA filtration removes the organic material feeding it. If the smell persists after cleaning, the source is usually a disconnected return pulling attic air into the system. We check for that while we’re in the attic. Get a written quote at (361) 314-5449.
Expect a camera inspection first, so you can see what’s actually inside your ducts before any cleaning starts. Then expect negative-pressure extraction, not just brushing. Our Nikro units continuously pull loosened debris out of the system while Rotobrush brushes agitate the duct walls. The final step, which many companies skip entirely, is sealing any disconnects at the plenum and register boots. In a 1990s home off Town East Boulevard, our crew found original flex ducts partially collapsed in the attic, with crushed runs starving two bedrooms of airflow. We cleaned, resealed the plenum, and replaced the damaged runs. Static pressure dropped and the bedrooms finally matched the rest of the house.
Some can be cleaned safely, and some are beyond it. Brittle, cracked, or collapsed flex ducts from the 1980s often tear during cleaning, and no amount of agitation removes embedded fiberglass particles from a degraded liner. Our rule of thumb: if the liner is intact, we clean it. If it’s crumbling, we show you the camera footage and recommend replacement instead of polishing a failing material. That honest read is part of the Kingswell Guarantee. Call (361) 314-5449 for a straight assessment.
Get Your Sunnyvale Ducts Cleaned Right the First Time
This page exists because Sunnyvale homes have a specific duct problem, and generic cleaning companies don’t address it. We find crushed flex runs. We seal disconnects. We remove the attic dust that keeps coating your supply ducts, not just from the visible vents but from the full length of the run. Every job comes with a written price before work starts and the 365-Day Done Right Promise after it’s done. If you’re in Sunnyvale and tired of guessing whether your ducts were actually cleaned, call (361) 314-5449 today. Dale Whitmore and our team will walk you through the process, answer your questions directly, and give you a fixed number you can hold us to.
Written by Dale Whitmore, Owner at Kestrel Air Duct Dallas, serving Sunnyvale and the surrounding Dallas suburbs since 2004.