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 Webster Groves
If your Webster Groves home was built between the 1920s and the 1950s – and most of them around here were – the ductwork behind your plaster walls has been moving air for a very long time. We’re Bellmont Air Duct Cleaning, and we work on that exact kind of ductwork every week: original galvanized trunk lines, undersized returns, joints that have been leaking since the Truman administration. Call (877) 349-6189 and we’ll set up a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.

Why Webster Groves Homeowners Call Bellmont Air Duct Cleaning for Air Duct Cleaning
We’re an indoor-air specialist, not a general home-services company that tacks duct cleaning onto a menu of forty other things. Three services, done properly: air duct cleaning, dryer vent cleaning, and air duct repair. That focus is the reason homeowners on the older streets in Webster Groves call us back.
Our technicians have up to 9 years of experience, and they run professional-grade Rotobrush and Nikro extraction systems – the same equipment certified IAQ contractors use, not a shop-vac on wheels. We also carry Abatement Technologies gear for proper HEPA containment, so what comes out of your ducts stays contained.
Here’s what makes us a different call in Webster Groves: we can fix what we find. Plenty of companies will clean around a disconnected branch run and wave goodbye. We diagnose it, and if it’s broken, we repair it on the same visit. You get before-and-after photos of your own ducts, and one flat price per system agreed before we start.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Cleaning Services in Webster Groves
Air Duct Cleaning Services in Webster Groves usually means something different than it does twenty miles out in the newer subdivisions, because the housing stock here is older and the ducts are metal, not flex. You need this service when you’re seeing dust settle quickly after cleaning, hearing airflow that’s weak in some rooms, or noticing a smell that shows up when the system kicks on. A typical whole-system clean in Webster Groves runs $450-$900, with video inspection adding $150-$300 when we need to look inside the walls.
Source removal, not a surface pass
Agitation tools loosen the accumulated dust and debris from the duct walls, and the extraction system pulls it out under negative pressure. Supply and return runs get the same treatment, top to bottom. Skipping agitation is how a duct “cleaning” leaves half the debris right where it was.
Video inspection first
Before anyone claims your ducts are clean, a camera tells the truth. On original Webster Groves ductwork the camera is how we spot a crushed branch run buried behind plaster or a joint that’s been quietly leaking for years. You see what we see.
HVAC Duct Cleaning in Webster Groves
HVAC Duct Cleaning in Webster Groves has to account for a system that runs hard almost year-round – long muggy cooling seasons and real cold stretches both push air through those ducts without much of a break. We clean the full system: supply runs, return runs, registers, and the air handler area, with a blower motor and coil check so restricted airflow doesn’t get misdiagnosed as a duct problem. Full system cleaning in Webster Groves typically runs $550-$1,100 depending on the number of runs and how accessible the basement or crawlspace is.
Return-side work matters here
Many homes in the 63119 core have undersized returns from the start. Add sixty-plus years of pollen, seed pods, and leaf litter and those returns get starved. We clean them and tell you honestly whether the sizing itself is the bigger issue.
Seal what you clean
Galvanized joints loosen as they age. After source removal we can seal failed seams and reconnect runs, which is often the actual fix. Clean ducts with leaky joints pull humid basement air back in within a season.

Trusted Brands We Service in Webster Groves
We work with Honeywell and Aprilaire, two of the most recognized names in home air quality, and we’re authorized to service and recommend their systems. If you’ve got a whole-home humidifier, a media filter cabinet, or a zoning setup from either brand, we understand how it interacts with your ductwork and won’t treat it as an obstacle. We don’t stock parts on a truck or claim we do – what we offer is the knowledge to tell you what your system needs and the right way to service around it.
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in Webster Groves Homes
- Original galvanized trunk lines treated like modern flex. A quick surface pass on 1940s sheet metal misses everything that matters. Camera inspection is the only way to find crushed or disconnected branch runs inside plaster walls.
- Undersized returns in the older neighborhoods. Homes from this era were often built with returns that were marginal when new. Decades later they’re the reason back bedrooms never quite heat or cool right.
- Cleaning ducts but skipping the blower and coil. A dirty blower motor or clogged coil restricts airflow just as badly as a blocked duct. We check both before blaming the ductwork.
- No joint or seam sealing after the clean. High summer humidity in tight basements behind original plaster walls finds every gap. Without sealing, musty odors come right back.
Pricing for Air Duct Cleaning in Webster Groves, MO
Honest numbers for this market: a residential whole-system cleaning in Webster Groves typically runs $450-$900, with larger homes on multiple systems toward the upper end. Commercial work runs $900-$2,500 and up depending on square footage and how many systems are involved. Video inspection adds $150-$300. The single biggest cost driver here is repair scope – original ductwork often needs sealing or a reconnect, and that’s estimated separately once we’ve seen it on camera. The estimate is free, the written estimate sets the final price, and you’ll never be quoted per vent. Call (877) 349-6189 for an exact number.
We Also Serve Cities Near Webster Groves
Our air duct cleaning work reaches well beyond this city – we also take care of homeowners in Affton, Crestwood, Clayton, and Kirkwood. The older housing stock and mature tree canopy don’t stop at the city limits, and neither does the diagnosis-and-repair approach we bring to Webster Groves. If you’re just outside the neighborhood, call and we’ll confirm coverage.
Serving Webster Groves, MO – Our Local Coverage Area
We serve Webster Groves and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Webster Groves
Because much of the ductwork here is original 1920s – 1950s galvanized trunk line, and galvanized joints loosen as they age. Cleaning removes the debris, but unless the failed seams get sealed and disconnected runs get reconnected, humid air and the dust it carries move straight back in. The sealing is often the real fix. Call (877) 349-6189 for a free estimate.
Often, yes. Late-summer humidity in tight basements behind original plaster walls finds its way into leaky duct joints, and the system circulates that smell through the house. A camera inspection will tell you whether the joints are the source or whether it’s coming from somewhere else. Call (877) 349-6189 and we’ll take a look.
Source removal under negative pressure with HEPA filtration, agitation of the duct walls, cleaning of both supply and return runs, and verification that the system is actually clean. Our Abatement Technologies containment and Rotobrush and Nikro equipment are set up for exactly that. Call (877) 349-6189 for a free estimate on your system.
The mature oaks and maples lining the older Webster Groves streets dump pollen, seed pods, and leaf litter into return grilles and outdoor intakes every spring, and leaf debris follows in fall. It’s a genuine seasonal maintenance rhythm here, not an upsell. Call (877) 349-6189 to schedule yours.
Sometimes cleaning is enough, but often weak airflow in back bedrooms traces to a crushed or disconnected branch run behind plaster or an undersized return. That’s why we inspect with a camera first, and why we offer duct repair as a core service. Call (877) 349-6189 and we’ll diagnose it properly.
If you’re in Webster Groves and your ducts have been quietly doing their job since the middle of the last century, it’s worth knowing what’s actually inside them. Call (877) 349-6189 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Bellmont Air Duct Cleaning.