Fast, Reliable Air Duct Cleaning Across Seguin
Air duct cleaning in Seguin typically runs $280-$550 for a full residential system, and most jobs are completed in a single visit with camera-verified results. If you’re in Seguin and your vents are pushing dust, your system is cycling longer than it used to, or you’ve noticed that musty smell when the AC kicks on, we’re the local crew that shows up when we say we will. Bellows Air Duct & Vent Co. has been serving South-Central Texas since 1984, and our technicians know the specific challenges Seguin homes face - from the pecan catkin debris that mats inside returns each spring to the humidity creeping up from the Guadalupe River. We answer calls live, 24 hours a day, at (866) 347-2063, and we’ll give you an honest price before a single tool is lifted.
Why Bellows Air Duct & Vent Co. of Texas Is Seguin’s Preferred Air Duct Cleaning Company
We’ve built our reputation in Seguin the same way we’ve built it everywhere else - by doing what we said we’d do and standing behind it. Our 90-Day Done Right Promise is stamped on every job: if it’s not right, we make it right, no paperwork, no arguing. That promise has kept us in business for over 42 years, and it’s why homeowners in the 78155 and 78156 ZIP codes call us back when they move to a new house or recommend us to their neighbors.
Our response time to Seguin is typically same-day or next-day, depending on call volume. We don’t subcontract. The technician who arrives at your door is background-checked, uniformed, and answers to our office - not to an app. We’ve cleaned ductwork in the pre-1960s bungalows near the historic downtown corridor, the 1970s tract homes off Kingsbury Street, and the newer construction on Seguin’s northern edge. We know which homes have the original metal ductwork that hasn’t been touched in sixty years, and we know how to access it without damaging plaster or trim.
Our pricing is disclosed upfront, before work begins. The number we give you on the phone is the number on the invoice. No bait coupons, no price changes at the door. That’s been our founding promise since 1984, and it’s not changing.
Our Air Duct Cleaning Services in Seguin
Residential Duct Cleaning
Seguin’s residential duct systems carry a burden you won’t find in most Texas cities. The dense pecan canopy that gives Seguin its “Pecan Capital of the World” designation releases enormous quantities of catkins, pollen, and fine organic debris every spring. This material gets pulled directly into HVAC returns, creating a biological buildup inside ductwork that is far more pronounced here than in neighboring New Braunfels or Gonzales. Our residential cleaning process starts with a camera inspection of your full system, followed by mechanical agitation with Rotobrush equipment to dislodge debris, and negative-pressure extraction with Nikro HEPA-filtered vacuums. We finish with an optional sanitizing treatment using Abatement Technologies fogging equipment. Most Seguin homes are completed in one visit.

Commercial Duct Cleaning
Seguin’s commercial buildings - from the historic structures along Austin Street to newer retail and office spaces - require duct cleaning that works around business hours and respects building access constraints. We clean supply and return systems for restaurants, medical offices, retail spaces, and small industrial facilities throughout the 78155 area. Our commercial crews use larger-capacity Nikro extraction equipment and can stage work to keep your business operational. Camera documentation is provided before and after every commercial job.

Supply Duct Cleaning
Supply ducts push conditioned air into your living spaces, and when they’re coated with dust and debris, that material goes with the air. In Seguin, supply ducts in older homes with poor crawlspace ventilation often show mold spotting from Guadalupe River humidity. We clean supply trunk lines and all branch runs, sealing access points properly afterward so your system doesn’t leak conditioned air into the attic or crawlspace.

Return Duct Cleaning
This is where Seguin homes need the most attention. Return ducts pull air from your living spaces back to the HVAC unit, and they’re the entry point for all that pecan debris. We serviced a pre-1960s bungalow in Seguin’s historic downtown corridor where the HVAC return on the north side was choked with pecan catkin debris; after extracting the organic mat with our Rotobrush and fogging with an Abatement Technologies sanitizer, the homeowner reported a 40% airflow improvement. Returns on shaded north and east sides are especially vulnerable in Seguin. We pull the covers, camera-inspect the full run, and clean back to the plenum.

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.
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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.
Trusted Brands We Service in Seguin
Our technicians arrive with professional-grade equipment from Rotobrush, Nikro, and Honeywell - the same brands serious HVAC contractors specify for their own jobs. We don’t use rental equipment or consumer-grade tools. For Seguin homeowners, this means we can handle the full range of local duct materials: rigid metal in the downtown bungalows, aging flex duct in the 1970s-1980s subdivisions, and modern insulated ductboard in newer construction. We stock common replacement parts and fittings locally, so if we find damaged or collapsed ductwork during your cleaning, we can often repair it same-day rather than scheduling a return visit. That’s part of our Air Duct Cleaning commitment - most jobs finished in one trip.
Common Air Duct Cleaning Problems We See in Seguin Homes
- Pecan catkin debris matting returns. Homes with HVAC returns on shaded north or east sides, common in older blocks near downtown Seguin, pull so much pecan debris each April and May that the filter and first duct section can look visibly green and matted. This specific failure mode tied to pecan canopy coverage is something technicians working in San Antonio suburbs rarely encounter at the same scale.
- Mold growth in crawlspace ductwork. The Guadalupe River running directly through Seguin creates a localized humidity microclimate that accelerates mold and mildew formation inside ductwork during long, hot summers. This is especially severe in homes with poor crawlspace ventilation, which includes many of the 1960s-1980s builds in the 78155 ZIP code.
- Collapsed flex duct trapping debris. Seguin’s significant stock of 1970s-1980s tract homes contains aging flex duct that sags between supports, creating low points where debris accumulates and moisture pools. Cleaning alone won’t fix collapsed duct - it requires replacement, which we can quote and often complete same-day.
- Heavy cedar allergen loads after winter. Seguin sits squarely in South-Central Texas’s mountain cedar belt. December through February cedar fever events deposit allergen loads into duct systems that drive a distinct late-winter cleaning demand, separate from the spring pecan cycle.
Pricing for Air Duct Cleaning in Seguin, TX
We don’t do bait pricing. Here’s what air duct cleaning costs in Seguin’s market:
| Service | Typical Range in Seguin |
|---|---|
| Residential full system cleaning (single HVAC unit) | $280-$450 |
| Residential cleaning with multiple zones or units | $420-$550 |
| Dryer vent cleaning (add-on or standalone) | $120-$180 |
| Video inspection with written report | $85-$125 |
| Duct repair or sealing (per linear foot) | $18-$32 |
| Sanitizing/fogging treatment | $95-$150 |
What moves you within these ranges? System size, accessibility (crawlspace vs. attic ductwork), contamination level, and whether we find damage requiring repair. Homes in Seguin’s historic downtown corridor with original metal ductwork in tight crawlspaces take longer to access and clean than newer suburban builds with open attics. We’ll inspect with our camera first, show you what we found, and give you a fixed price before any cleaning begins. Estimates are free. Call (866) 347-2063.
Our standing offers apply: $50 off any repair over $250, free second opinion on any written estimate, $89 seasonal tune-up, and a permanent 5% senior and veteran discount.
We Also Serve Cities Near Seguin
Our service area extends throughout South-Central Texas. If you’re in New Braunfels, Cibolo, Schertz, or Selma, the same crew, same equipment, and same 90-Day Done Right Promise apply. We route technicians efficiently from our Houston base, and Seguin homeowners are never treated as an afterthought - you’re on our regular rotation, not a special trip.
Serving Seguin, TX - Our Local Coverage Area
We’re based in the Seguin 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 - Air Duct Cleaning in Seguin
Seguin’s official designation as the “Pecan Capital of the World” reflects a density of mature pecan trees unmatched in neighboring communities. These trees release massive quantities of catkins - the male flower clusters - each spring, and this fine, stringy organic material gets pulled directly into HVAC returns. In nearby New Braunfels or Gonzales, the pecan canopy is thinner and the debris load lighter. In Seguin, particularly in older neighborhoods near downtown where returns face north or east into mature tree shade, the buildup can mat green across filters and duct interiors. If you’re seeing green material in your vents each April or May, call (866) 347-2063 - we’ll camera-inspect and give you a free estimate on removal.
The Guadalupe River creates a localized humidity microclimate that keeps crawlspaces and ductwork damper than in surrounding areas, accelerating mold and mildew growth during Seguin’s long, hot summers. Homes with poor crawlspace ventilation - common in the 78155 ZIP code’s mid-century builds - show this problem most severely. We regularly find mold spotting on duct interiors that requires more than mechanical cleaning; in these cases, we recommend our sanitizing fogging treatment with Abatement Technologies equipment. The river proximity is a genuine environmental factor that makes post-spring cleaning especially important for Seguin homeowners. Call us for a humidity assessment and camera inspection.
Yes, late February through early March is an ideal cleaning window for Seguin homes. Seguin sits squarely in the mountain cedar belt, and the heavy pollen loads from December through February cedar fever events deposit significant allergen material into duct systems. Cleaning immediately after the cedar season ends removes this load before the spring pecan debris begins, giving you the cleanest possible indoor air for the year. We book heavily in this window, so scheduling ahead helps. Call (866) 347-2063 to reserve your slot.
Visible green or brown stringy material on your return air filter each April and May is the clearest indicator. You may also notice reduced airflow from supply vents, longer AC run times, musty odors when the system cycles, or increased allergy symptoms during peak pecan season. In severe cases, we’ve found returns so packed with catkin debris that the HVAC unit is essentially starved for air. If any of this sounds familiar, we’ll run our camera and show you exactly what’s inside - no guesswork, no scare tactics. Estimates are free.
Video inspection is especially valuable for pre-1960s Seguin homes with original metal ductwork, because these systems often contain rust, separated seams, or previous patch jobs that aren’t visible from the vents. Our camera inspection documents the full interior condition before we clean, so you know whether you’re looking at routine maintenance or if sections need repair or replacement. We include before-and-after footage with every job, and the inspection itself can be scheduled separately if you want to assess condition before committing to full cleaning. Call (866) 347-2063 to book a standalone video inspection.
Ready to get your Seguin home’s ductwork cleaned right? Call Bellows Air Duct & Vent Co. at (866) 347-2063 for your free estimate. We’ll answer live, schedule at your convenience, and show up when we say we will. One honest price, camera-verified results, and our 90-Day Done Right Promise in writing - that’s the square deal we’ve delivered since 1984.
Written by Wade Kellerman, Owner at Bellows Air Duct & Vent Co., serving Seguin and South-Central Texas since 1984.