Whole-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.
Air Duct Cleaning in League City, TX
Dryer vent cleaning in League City is not a once-a-decade chore here. The same Gulf moisture that fogs windshields on Clear Lake mornings also condenses inside dryer exhaust lines, where lint hardens into a cement-like blockage. A full dryer vent cleaning in League City typically runs $139-$289 and most jobs are completed the same morning. Call (806) 606-6902 for a written price before anyone touches your dryer.
Why League City Homes Are Different
League City sits at near sea level directly against Clear Lake and Galveston Bay, and that geography drives the work we do. Coastal humidity levels run higher than inland Houston suburbs year-round, which means dryer exhaust lines never fully dry out between loads. Lint that would stay loose and blow through in a drier climate instead absorbs moisture, sticks to the pipe wall, and builds in layers. We see the same pattern in the older Clear Lake-side ranch homes from the 1970s and 1980s NASA boom era, where original flex ductwork has been in place for decades. Those exhaust runs often combine rigid metal near the dryer with old flex to the roof or wall cap, and the transitions collect lint faster than any straight run.
Newer west-side communities like South Shore Harbour, Tuscan Lakes, and Westwood have their own problem: vent runs that snake through unconditioned attics. Summer attic temperatures of 130 to 145 degrees bake the thin foil walls of flex ducting. The pipe degrades from the outside in while lint packs the inside. We have pulled vent covers off these homes and found the last four feet of pipe nearly sealed with debris while the homeowner’s dryer had been cycling hot, damp air back into the laundry room for months.
Harvey-era flooding added another layer. Homes that took water in 2017 often had exhaust runs that were never opened and inspected after remediation. Moisture sat inside those pipes long enough to turn lint into a hardened mass fused to the duct wall. That is a League City-specific failure mode we look for on every job where the homeowner mentions water during the storm.
Our Main League City Services
Most League City homeowners call us first for two things: the full-system cleaning and the component-level HVAC service. Below are the two services with their own dedicated League City pages.
Air Duct Cleaning in League City
Air Duct Cleaning in League City is the service that resets a whole system. We inspect every accessible run with a camera, document the interior condition, then connect professional-grade extraction equipment that puts the ductwork under negative pressure while agitation tools loosen the debris. In League City homes, the camera often shows a mix of sandy Gulf grit, pet dander, and fine construction dust that entered the system after drywall or flooring work. Every run gets a before and after photo, and you receive that record before we leave.

HVAC Cleaning in League City
HVAC Cleaning in League City targets the mechanical side of the system: the blower assembly, evaporator coil, condensate pan, and air handler interior. In League City’s coastal air, coils corrode and collect a biofilm layer faster than they do inland. That buildup reduces airflow, shortens compressor life, and gives mold a place to grow. We clean these components with methods matched to the coil type and your system’s age rather than one stock process.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterDryer Vent Cleaning in League City

Dryer vent cleaning in League City fixes a specific failure pattern: the short, humid exhaust run that loads up with hardened lint until the dryer can no longer push warm air outside. Homes near Clear Lake have it worse than inland subdivisions because the ambient air never gets dry enough to keep vent walls free of moisture. The Dryer Vent Cleaning service starts with a written price and includes a before and after photo of the inside of the run on every visit.
Vent Inspection
Signs you need it
Clothes take two cycles to dry even though the lint screen is clean before every load.
What it costs in League City
A dryer vent inspection in League City runs $89-$179 depending on access and run length.
How we do it
We run a camera through the full exhaust path from dryer to exterior cap, document every obstruction, and photograph the before condition before any cleaning begins.
Lint Removal
Signs you need it
The flap on the exterior vent cap barely moves when the dryer is running, or the laundry room feels noticeably warmer mid-cycle.
What it costs in League City
Lint removal in League City averages $139-$259 depending on how much of the run is packed and how many elbows the vent has.
How we do it
We use rotary brushes driven through the entire run while a HEPA-filtered vacuum keeps the extracted lint contained, then finish with an interior camera verification shot.
What Dryer Vent Cleaning Costs in League City
| Item | Typical range in League City |
|---|---|
| Vent inspection (camera) | $89 - $179 |
| Lint removal (full run) | $139 - $259 |
| Vent rerouting (shortening or reroute) | $225 - $450 |
Vent runs over 15 feet, runs with more than two elbows, and rooftop terminations on two-story homes push toward the upper end of these ranges. We quote the total written price before we start, and we do not charge by the foot. No per-vent pricing, no add-on surprises.
How often does a dryer vent need cleaning in League City?
Every 12 to 24 months, and closer to every 12 for homes near Clear Lake where ambient humidity keeps lint damp and tacky. Households with large dogs or long-haired residents also fall on the frequent end. We document the condition each visit so you know whether the 12-month or 24-month cadence fits your home.
Can a clogged dryer vent raise my energy bill?
Yes. When the dryer pushes against a blocked vent, it runs longer per load to hit the moisture sensor’s target. We find systems in League City where removed lint restored dry-time by 30 minutes or more per load. Call (806) 606-6902 for a written quote.
Duct Repair & Sealing in League City

Duct repair and sealing in League City addresses what the camera finds before it gets worse: separated joints, torn flex, disconnected boots, and old sheet metal trunks with liner deterioration. In older Clear Lake-side homes we frequently open a return chase to find the original fiberglass-lined metal trunk shedding strands into the airflow, a problem most newer subdivisions never see. The Duct Repair & Sealing service restores the system’s pressure and stops attic air from leaking into conditioned space, with every repaired joint photographed after the work.
Duct Sealing
Signs you need it
Some rooms stay warm in summer while others cool off, and the difference does not even out when you adjust the registers.
What it costs in League City
Duct sealing in League City ranges from $450-$1,200 for a typical single-story tract home, depending on access and the number of joints to seal.
How we do it
We locate leak points, clean each joint, apply mastic sealant (not tape), then confirm the fix with a pressure reading before documenting every sealed joint with a photo.
Flex Duct Repair
Signs you need it
A flex run in the attic looks crushed, torn, or sagging badly between supports when you do an attic check.
What it costs in League City
Single flex run replacement in League City runs $250-$500 depending on diameter, length, and how much of the old collapsed duct must be removed first.
How we do it
We replace crushed or torn sections with new R-6 or R-8 flex sized to the same diameter, stretch the run properly rather than leaving coils, and re-support it at the manufacturer’s spacing.
What Duct Repair & Sealing Costs in League City
| Item | Typical range in League City |
|---|---|
| Duct sealing (whole system) | $450 - $1,200 |
| Flex duct repair/replacement (one run) | $250 - $500 |
| Duct insulation replacement | $300 - $650 per section |
Two-story homes with ductwork in closed chases cost more than single-story runs. When the air handler is in the attic and every run is accessible from above, the work goes faster and the written price reflects that.
Does duct sealing actually help with room temperatures?
Yes, when the temperature difference is caused by leakage. Sealing the joints stops conditioned air from escaping into the attic and keeps attic air from being drawn into the return side. We measure static pressure before and after to verify the change, not just claim it.
How long does duct sealing last in League City’s climate?
Mastic sealant properly applied to a clean joint should outlast the duct material itself, often 15 years or more. The failure we see in League City is not mastic drying out; it is new leaks from older flex runs continuing to degrade. Call (806) 606-6902 for a written price.
Air Quality & Sanitizing in League City

Air quality and sanitizing in League City deals with what humidity leaves behind: microbial growth on coils, bacteria blown into the living space, and the musty odor that lingers in homes with chronically damp systems. Homes built before 1990 near Clear Lake often carry original ductwork with liner debris that can never be fully cleaned, so sanitizing this area requires an honest assessment of when replacement beats treatment. The Air Quality & Sanitizing service applies registered antimicrobials and, where appropriate, installs UV systems from brands we can verify in writing.
Mold Treatment
Signs you need it
You smell a persistent earth smell when the AC runs, or the camera shows fuzzy patches on the coil fins.
What it costs in League City
Targeted mold treatment in League City runs $350-$850 depending on the size of the affected area and the number of treatment passes required.
How we do it
We remove the visible growth mechanically, apply a registered antimicrobial at the proper dwell time, then photograph the treated area and deliver the record with your job file.
UV Light Installation
Signs you need it
The coil stays wet long after the AC shuts off, creating the damp surface mold needs to establish.
What it costs in League City
A UV light system installed in League City runs $650-$1,500 depending on lamp size, mounting position, and whether electrical access is already nearby.
How we do it
We mount the lamp at the evaporator coil, wire it to a dedicated source with a ballast, and confirm the light is positioned to cover the coil’s wet surface rather than the surrounding metal.
What Air Quality & Sanitizing Costs in League City
| Item | Typical range in League City |
|---|---|
| Mold treatment (targeted) | $350 - $850 |
| Bacteria sanitizing | $250 - $600 |
| UV light installation | $800 - $1,200 |
Homes with a history of standing water under the air handler, or duct runs that took floodwater in Harvey and were never replaced, often need a broader scope that pushes toward the upper end. We give the full written number before we start, and it does not change after the van is parked.
Does UV light actually prevent mold in a wet coil?
Yes, when the lamp is positioned correctly and the wattage matches the coil size. The UV light keeps the coil surface sterile as long as it is lit, which breaks the mold’s reproduction cycle in League City’s humid conditions.
Can sanitizing fix a bad odor without replacing the ducts?
Sometimes. If the odor is from an active colony on a cleanable surface, sanitizing removes it. If the smell comes from fiberglass liner that has broken down, the only fix is replacing the affected duct. Call (806) 606-6902 to schedule a camera inspection.
Brands We Service in League City

We install and service equipment from our brands page: Honeywell and Aprilaire for filtration and UV, Abatement Technologies for extraction, and Guardsman for containment. Most parts are stocked in our Houston metro inventory, so League City jobs do not wait on a second trip.
Pricing for Air Duct Cleaning in League City, TX
| Service | Typical range in League City |
|---|---|
| Dryer vent inspection (camera) | $89 - $179 |
| Lint removal (full run) | $139 - $259 |
| Vent rerouting | $225 - $450 |
| Duct sealing (whole system) | $450 - $1,200 |
| Flex duct repair (one run) | $250 - $500 |
| Duct insulation (per section) | $300 - $650 |
| Targeted mold treatment | $350 - $850 |
| Bacteria sanitizing | $250 - $600 |
| UV light installation | $800 - $1,200 |
What pushes a League City job toward the upper end is access: rooftop dryer terminations on two-story homes, ductwork in low-pitch attics, and runs that require longer equipment reaches. The written price we hand you before any work starts is the total for the job, not a starting point for negotiation after the fact.
Neighborhoods We Serve in League City

We work across League City, from the older Clear Lake-side streets near the water to the big master-planned subdivisions on the west side. Scheduling typically puts a crew in most League City neighborhoods within one to three business days.
- South Shore Harbour
- Tuscan Lakes
- Westwood
- Clear Creek Village
- Magnolia Creek
Service Area - Cities Near League City
Our crews serve League City and the surrounding metro directly. We also work regularly in Pearland, TX, Pasadena, MD, Baytown, TX, and Houston, TX. Scheduling is coordinated from CleanRun’s Houston metro office, with crews dispatched locally to League City.
Serving League City, TX - Our Local Coverage Area

We’re based in the League City 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 League City
Most interior duct cleaning and vent work does not require HOA approval because it does not alter the home’s exterior appearance. The exceptions are rooftop vent terminations or any change visible from the street, where some communities like South Shore Harbour may want the work reviewed first. We can check your neighborhood’s rules before scheduling.
Most League City neighborhoods are scheduled within one to three business days. If your home is in a community with gate codes or guard access, we coordinate that before the crew arrives so no time is lost at the entrance. Call (806) 606-6902 and a live person answers.
Every accessible run is photographed before and after. That includes the main trunk, each branch that can take the camera, and the return side. You receive the full set as a standard deliverable, with the written scope and the written warranty from the job.
For a written price on any of these services in League City, call (806) 606-6902. CleanRun Air Duct Cleaning, led by Tomas Reyes, sends a background-checked, uniformed technician to your home, and every job comes with a documented photo record and the 365-Day Done Right Promise in writing.
What happens when you call
- 1A real person answersNo phone trees - talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What League City Customers Say
"The dryer vent was almost completely blocked with lint. They showed me the photograph and I understood immediately why the dryer had been running twice."
- Lucia M."They found a disconnected duct in the crawl space that had been dumping conditioned air under the house for years. Photographed it, quoted the repair, fixed it."
- Devon A."On time, professional, and explained what the readings meant without talking down to me."
- Warren E.




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