Air Duct Cleaning Services in League City, TX
Air duct cleaning in League City typically costs between $350 and $650 for a standard single-system home, with most appointments completed in one visit. Bellows Air Duct & Vent Co. has worked in League City since 2012, and we answer calls live at (844) 685-6342 any hour of the day. We’re familiar with the flex duct systems in Bay Colony, the aging metal trunks near Clear Lake City, and the moisture patterns that come from living this close to Galveston Bay.
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.
Why League City Homeowners Choose Bellows Air Duct & Vent Co.
We’ve built our reputation in League City on showing up when we say and leaving the job done right. Our technicians have cleaned ducts in Tuscan Lakes, Victory Lakes, and the older ranch neighborhoods off FM 518 long enough to recognize the specific failure patterns each area produces. The 1970s homes near the Clear Lake City border often carry original fiberglass-lined metal ductwork that traps decades of particulate. The 2000s-era builds in Bay Colony and surrounding master-planned communities put flex duct through attics that bake past 140°F in July and August.
Every job starts with a camera inspection you can see for yourself, and finishes with another one proving the result. Our 90-Day Done Right Promise means if anything isn’t right, we return at no charge with no paperwork to argue over. Calls to (844) 685-6342 reach a live person, not a voicemail tree, and our background-checked, uniformed technicians arrive in marked vehicles. We don’t bait with a low coupon and change the price at the door. The number we give on the phone is the number on the invoice.
Air Duct Cleaning Services We Offer in League City
Air Duct Cleaning
We clean supply and return ductwork using Rotobrush and Nikro equipment, with camera verification before and after. This service addresses the dust, pollen, and mold accumulation that accelerates in League City’s humid coastal climate. Learn more about our Air Duct Cleaning in League City.

Dryer Vent Cleaning
Lint buildup in dryer vents is a leading cause of house fires, and League City’s long cooling season means dryers run year-round. We clear the full vent run from appliance to exterior termination and test airflow before we leave. Learn more about our Dryer Vent Cleaning in League City.

HVAC Cleaning
Coils, blower assemblies, and plenums collect the same moisture-borne contaminants as ductwork, especially in systems that run almost continuously through nine months of Gulf Coast heat. We clean the full air handling unit, not just the ducts attached to it. Learn more about our HVAC Cleaning in League City.

Duct Repair & Sealing
Separated flex duct, corroded metal seams, and failed insulation in League City’s superheated attics leak conditioned air and draw humid attic air into the system. We repair or replace damaged sections and seal with materials rated for the temperature swings these attics produce.

Air Quality & Sanitizing
For homes with confirmed mold contamination or persistent odor, we apply EPA-registered sanitizers through the duct system after mechanical cleaning. We use Honeywell and Aprilaire compatible protocols, and we never sell sanitizing as a substitute for actual debris removal.

Neighborhoods We Serve in League City
We schedule League City appointments with same-day or next-day availability throughout the 77573 and 77574 ZIP codes. Our technicians know the routing and access patterns of these communities:
- Bay Colony - 2000s slab-on-grade homes with attic flex duct systems prone to insulation slump
- Tuscan Lakes - master-planned construction with identical duct layouts we’ve serviced repeatedly
- Victory Lakes - newer builds showing early signs of the same moisture cycling issues
- Clear Lake City border area - 1970s-1980s ranch homes with original metal trunk lines
- League City Parkway corridor - mixed-era housing with varied duct conditions
Why League City’s Climate & Housing Affect Air Duct Cleaning
League City sits at the edge of Galveston Bay’s moisture envelope, making it one of the most humid microenvironments in the Houston metro. The massive wave of slab-on-grade homes built in master-planned communities like Bay Colony, Tuscan Lakes, and Victory Lakes during the 2000s and 2010s placed all their flex ductwork in superheated attics where the daily condensation cycle actively grows mold inside the ducts. On top of that, Hurricane Harvey in 2017 pushed flood and moisture contamination into thousands of League City homes, and ducts that were never properly remediated afterward remain a hidden mold reservoir today.
The numbers tell part of the story. Relative humidity here regularly hits 85-95%, well above what inland Harris County cities experience. That moisture loads into supply-side ducts that sweat against attic air, and flex duct insulation stays damp for days after each cooling cycle. The salt-laden marine air mass adds corrosion risk to metal components. Technicians working Bay Colony and Tuscan Lakes frequently find flex duct insulation that has slumped or separated at the joints after fifteen years of attic heat cycling, creating uninsulated moisture traps right at the supply plenum. This failure pattern ties directly to that specific build era and this coastal climate. It rarely shows up in the same proportion in Sugar Land or Pearland.
Pricing for Air Duct Cleaning in League City
We disclose pricing before any work begins. The estimate we give over the phone matches the invoice you pay.
| Service | Typical Range |
|---|---|
| Standard residential air duct cleaning (single system, up to 12 vents) | $350 - $550 |
| Larger homes or dual-zone systems (13-20 vents) | $500 - $650 |
| Dryer vent cleaning (standard run) | $120 - $180 |
| HVAC unit cleaning (coils, blower, plenum) | $200 - $350 |
| Duct repair / sealing (per linear foot or section) | $150 - $400 |
| Air quality sanitizing (after mechanical cleaning) | $75 - $150 |
Standing offers include $50 off any repair over $250, a free second opinion on any written estimate, our $89 seasonal tune-up, and a permanent 5% senior and veteran discount. Call (844) 685-6342 for an exact quote on your home - estimates are free.
Service Area - Cities Near League City
We travel throughout the southeast Houston metro for duct and vent work. Homeowners in Pasadena, Pearland, Baytown, and Houston proper can reach us at the same number for the same upfront pricing and 90-Day Done Right Promise.
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 League City homes fall between $350 and $650 for a complete single-system cleaning, depending on vent count, system accessibility, and contamination level. Homes in Bay Colony and Tuscan Lakes with standard 10-12 vent layouts typically land in the middle of that range. Call (844) 685-6342 for a free estimate matched to your specific home.
Given the humidity and near-continuous AC operation here, we recommend inspection every two to three years and cleaning when camera inspection shows buildup. Homes flooded during Harvey or with known moisture intrusion may need more frequent evaluation. The 5% senior and veteran discount applies to any scheduled service.
Yes, and it’s one of the most common repairs we make in 2000s-era League City subdivisions. Flex duct insulation slumps after years of 140°F attic cycling, creating uninsulated gaps that sweat and grow mold. We replace damaged sections with properly supported new flex or transition to rigid duct where appropriate, then seal and insulate to current standards.
Cleaning and sealing restores most systems for a fraction of replacement cost. We recommend replacement only when ductwork is structurally failing, extensively mold-contaminated beyond cleaning, or improperly sized for the home. Our camera inspection shows you exactly what we’re seeing so you can decide with full information. The free second opinion offer applies if you’ve received a replacement quote elsewhere.
We offer same-day and next-day scheduling throughout 77573 and 77574, including Bay Colony, Tuscan Lakes, and Victory Lakes. Emergency service for blocked dryer vents or suspected mold contamination is available. Call (844) 685-6342 - a live person answers, and we’ll give you a specific arrival window we intend to keep.
Written by the team at Bellows Air Duct & Vent Co., serving League City since 2012. Call (844) 685-6342 for a free estimate.
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.
- 3A background-checked tech heads outLicensed & insured, typically within same-day.
- 4You approve before work beginsNothing starts until you say go.
What Bell Customers Say
"Showed up fast, fixed it right the first time, and the price matched the quote. Couldn't ask for more."
- Verified local homeowner"Professional from the first call. Explained everything clearly and left the area spotless."
- Verified local homeowner"Called in the morning, problem solved by afternoon. Honest, upfront pricing - highly recommend."
- Verified local homeowner