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 San Leon
Air duct cleaning in San Leon runs between $380 and $620 for most homes, with elevated pier-and-beam houses occasionally landing at the higher end because of what grows in the crawlspace. Our crews know Galveston Bay’s salt air and humidity better than any outfit that drives down from Houston for the day. If your vents smell musty every time the AC kicks on, or you see black streaks forming around the supply registers, the air you’re breathing has a specific problem, and it has a specific fix. Call (254) 347-2738 and we’ll give you a written price before a single vent is opened.
Why Kestrel Air Duct Houston Is San Leon’s Preferred Air Duct Cleaning Company
We’re the local team that actually crawls under the house. Most air duct companies in the Bay Area work from the living room up. In San Leon, the real problems live below the floor joists, where galvanized duct runs hang in humid, salt-laden air. Our techs have spent hours under elevated homes off Bayshore Drive and along 6th Street, checking for rusted seams, separated joints, and the signature crust of salt and dust that forms where conditioned air leaks into the outdoors. That’s knowledge you only get by doing the work here, not by reading a training manual.
Homeowners in San Leon call us because a live person answers the phone at (254) 347-2738, any time. Not a voicemail, not a callback script. Dale Whitmore leads our team, and the standard he set is the same one written into every job: a defined arrival window, a written price before work begins, and a 365-Day Done Right Promise that says if the work falls short within a year, we come back and make it right at no charge. That promise is on paper, not implied.
Styles & brands we work with
Air Duct Cleaning Services in San Leon
Air Duct Cleaning Services in San Leon means full source removal, not a surface wipe. The job starts with a camera inspection of the supply and return runs, then moves to brush agitation with Rotobrush equipment to dislodge debris at the duct wall, followed by Nikro negative-pressure extraction that pulls contaminants out of the system instead of blowing them into your living room. For San Leon’s coastal homes, we also inspect accessible duct joints for salt corrosion and seal them where needed. A typical Air Duct Cleaning visit in San Leon runs $380 to $620 depending on home size and how much biological growth has taken hold.
Residential and Elevated Home Cleaning
Homes on pilings need more than a vent brush. We inspect the full return and supply runs, including the sections under the house where humid air and salt spray do their worst damage. The goal is removing the organic layer that feeds mold, not just the loose dust you can see from the register.
Video Inspection Before and After
Every full system clean includes a camera pass before we start and after we finish. You’ll see the difference in your own ducts, on our screen, while the equipment is still set up. No mystery, no trust-me.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
HVAC Duct Cleaning in San Leon
HVAC Duct Cleaning in San Leon addresses the entire air pathway: supply ducts that deliver conditioned air, return ducts that pull it back, the plenum boxes, and the air handler cabinet where condensation collects. In coastal homes, the return side is often the filthiest part of the system, because it operates under negative pressure and pulls moisture-laden air across surfaces that stay cool and damp. A standard residential HVAC clean in San Leon runs $420 to $580 for systems up to about ten supply runs. Larger custom homes and full systems with long crawlspace runs may reach $620.
Return and Supply Duct Focus
We treat the return side as a separate job from the supply side, because they fail differently. Returns accumulate condensed salt, dust, and the gray film that feeds microbial growth. Supplies accumulate the stuff that blows back out into your bedrooms. Both need attention, and both get it.
Full System Cleaning with HEPA Filtration
Our Nikro units run HEPA-filtered negative pressure during the entire cleaning. That means loosened particles leave through the vacuum, not into your home. For San Leon’s humidity, we also check the condensate pan and drain line near the air handler, because a slow drain is usually the starting point for the mold you smell.
Trusted Brands We Service in San Leon
We service and clean duct systems tied to all major HVAC brands found in San Leon homes, and we stock Guardsman and Honeywell filtration products for homeowners who want better air between cleanings. Our techs use Rotobrush rotary brushes and Nikro negative-air machines on every residential job, and we keep the consumables on the truck, so a full system clean doesn’t turn into a two-trip appointment. If your system has a Guardsman filter cabinet or a Honeywell media filter, we’ll inspect it during the clean and tell you honestly whether it needs replacing or just a rinse.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in San Leon Homes
- Rusted duct seams under elevated homes. Salt spray off Galveston Bay settles on galvanized ductwork, accelerates corrosion at the joints, and eventually opens small gaps that pull humid outdoor air into the system. We find this on nearly every older stilt house we service in San Leon.
- Black microbial streaks on register faces. This is usually a return-side problem. Condensation carries salt and organic dust into the return plenum, where it feeds mold that then recirculates to supply registers. Wiping the register doesn’t fix the source.
- Critter intrusion from the crawlspace. Elevated ductwork with a loose seam is an invitation. We’ve removed nests, droppings, and the debris field that comes with them from under homes along Bayshore Drive. A camera inspection finds the entry point before more animals move in.
- Manufactured home dust loading. Newer manufactured homes on concrete pads in San Leon often have flexible duct runs that collect construction dust and sheetrock fines from the original build. The first clean on these systems is usually the heaviest.
Pricing for Air Duct Cleaning in San Leon, TX
Here’s what to expect, in writing, before we touch a single vent. A standard single-system home in San Leon runs $380 to $520 for a full clean of all supply and return ducts, plus the plenum boxes. Elevated homes with long under-house duct runs typically land between $480 and $620, because the crawlspace work takes longer and often includes sealing exposed joints. Add-on work like mastic sealing, video-only inspection for a questionable section, or a Guardsman filter installation is priced separately and agreed to before we start. You get one flat price per system. No per-vent charges, no door-step revisions. Call (254) 347-2738 and we’ll give you a quote specific to your home.
We Also Serve Cities Near San Leon
Kestrel Air Duct Houston handles Air Duct Cleaning in San Leon and the surrounding Bay Area communities. We regularly run jobs in Houston, Katy, Pearland, and Bellaire, which keeps our trucks close and our response times short. If you live near San Leon, chances are we’re already in your neighborhood once a week.
Serving San Leon, TX - Our Local Coverage Area
We’re based in the San Leon 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 San Leon
Because the humidity has salt in it. Galveston Bay air carries fine salt particles that settle inside duct runs, and salt attracts moisture. That combination creates a damp, mineral-rich surface where microbial growth starts earlier and spreads faster than the same duct system would see ten miles inland. A Houston home’s ducts dry out between humid spells. A San Leon stilt house’s ducts stay damp longer because the air passing around them is constantly humid. The fix is the same either way: full source removal, not a fogging spray.
Eventually, yes, especially if your home sits on pilings with exposed ductwork. Galvanized steel resists rust for a while, but the seams and fasteners fail first, and salt spray accelerates that failure. We regularly see supply trunks off Bayshore Drive with corroded seams and orange rust streaks where the galvanizing has worn thin. Sealing accessible joints with mastic slows the process considerably. Call (254) 347-2738 for an inspection if your system is more than ten years old and has never been checked underneath.
Fogging sprays a biocide mist into the ducts and smells strong for a few days. It does not remove the organic layer that feeds mold, and that layer stays put in San Leon’s humidity, which means the odor comes back. A real cleaning physically dislodges that layer with rotary brush agitation, then extracts it with HEPA-filtered negative air. The difference is whether the food source for mold is still in your ducts when the technician leaves. We remove it. That’s why the 365-Day Done Right Promise works.
Because the return side was never cleaned, or the cleaning didn’t include source removal. Black streaks on supply registers are usually particles from the return plenum or the blower cabinet being blown past the filter and deposited at the register face. A supply-only clean leaves the contamination source in place, so the streaks reappear within weeks. In San Leon’s damp air, the problem compounds quickly. Our full system clean addresses the entire circuit: return, supply, plenum, and cabinet.
You need the same thoroughness, but the failure modes are different. Manufactured homes on pads typically have flexible duct runs under the floor that are harder to inspect and easier to crush. Salt air still affects connections and registers, but the bigger issue is usually construction dust, insulation fibers, and poor original sealing. We clean these systems with the same Rotobrush and Nikro equipment, just with more attention to the under-belly duct routing. Pricing is usually in the $380 to $480 range for a standard manufactured home. Call (254) 347-2738 for a specific quote.
If your ducts smell like the bay, or you’ve noticed black streaks on the register faces, the problem isn’t going to fix itself in this humidity. We’re the San Leon duct cleaning team that documents the work on camera, prices it in writing before we start, and guarantees it for a full year. Dale Whitmore and the crew at Kestrel Air Duct Houston answer the phone at (254) 347-2738. Call for a free estimate and a straight answer.
Written by Dale Whitmore, Owner at Kestrel Air Duct Houston, serving San Leon under the Kingswell Guarantee since 2004.