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.
Fast, Reliable Air Duct Repair Across Keene
If your ducts are leaking, separated at the joints, or blowing dust every time the AC kicks on, the fix usually costs between $220 and $680 for a targeted repair in Keene. Full duct replacement in an older Keene home runs higher, typically $1,800 to $4,200 depending on how much of the system has failed. We get to Keene fast and we bring the right parts the first time, because we know exactly what these homes throw at us. Call (980) 447-2498 and we’ll give you a written price before any work starts.
Why Linden Air Duct Cleaning Is Keene’s Preferred Air Duct Repair Company
Keene isn’t a big suburb, and that changes how we work here. Most of the repair calls we take in this city come from the mid-century ranch homes clustered around Southwestern Adventist University, where the ductwork is original to the house and the soil underneath it moves more than people expect. We know those homes. We know the door frames stick after a wet winter and the drywall cracks near the ceiling corners, and we know the ducts under the floor are dealing with the same clay shift. That local familiarity means we don’t spend your money diagnosing what we already see every week in Keene.
Every technician we send into a Keene home is background-checked and identity-verified under the Threshold Standard. You get the tech’s name and photo before they arrive, and they show a photo ID badge at the door before stepping inside. That matters when you’re home alone or have kids in the house. Our crews arrive in clean, marked uniforms and they don’t leave a mess in your hallway. Calls are answered by a live person 24/7, so when you call about a duct problem in Keene, you talk to a human, not a menu.
Every repair we do in Keene is covered by our 365-Day Done Right Promise. The price is written down before work begins, and the guarantee is written down too. If a covered repair fails within a year, we come back and fix it at no charge. Marcus Veale leads our team, and he holds every tech to that standard on every job, including yours.
Air Duct Replacement in Keene
Air Duct Replacement in Keene is a bigger job than a patch or a seal, and it’s the right call when the original sheet-metal trunk lines or early flex runs in a 1960s or 1970s home have corroded, collapsed, or separated in too many places to make spot repairs worthwhile. In Keene, that happens most often in the faculty housing south of campus, where original duct liner has deteriorated and the metal itself has been stressed by decades of Blackland Prairie clay movement. A partial replacement, like a single return drop or a short supply trunk, runs $1,800 to $2,900. Replacing the full duct system in a modest ranch usually lands between $3,200 and $4,200.
When Replacement Beats Repair
You’re at that point when you can see daylight through separated joints, when the ducts sound like a wind tunnel behind the walls, or when a camera inspection shows fibrous liner material peeling away inside the trunk line. In Keene’s older homes, we often find that the same failed joints have been resealed before, and the metal around them has oxidized enough that another patch won’t hold. Replacing the run is cheaper over time than repairing the same seam every spring.
What Gets Replaced
We replace the failed sections with new sheet-metal or flex duct sized for your air handler, seal every connection under negative pressure with HEPA filtration running on the vacuum, and re-wrap exposed runs where they pass through unconditioned space like attics or crawl spaces. The job includes a written price up front and a written 365-day guarantee on the new work. If it fails within that year, we come back to Keene at no charge.
Ductwork Repair in Keene
Ductwork Repair in Keene is what we do most often on the homes near the university, and it usually costs between $220 and $680 depending on how many joints have separated and whether any flex runs have collapsed. The signature Keene failure is a separated seam at a floor or wall penetration, caused by the clay soil expanding and contracting under the slab. When that joint opens, the return side pulls in unfiltered air carrying fine wheat and hay dust from the fields that border the city’s south and west edges, and that grit ends up in your blower, your coils, and on your furniture. We rebuild those joints, mechanically fasten or mastic-seal them, and often find two or three more failing at the same time.
Sealing Separated Joints
The repair starts with locating every separation, not just the one you noticed. We use a camera to trace the run and check each connection point, then secure each joint with mechanical fasteners and sealant rated for HVAC use. A properly sealed joint won’t reopen with normal slab movement, and we back that with the 365-Day Done Right Promise.
Replacing Crushed Flex Runs
Flex duct in Keene takes a beating. Crawl spaces, attic runs, and runs feeding outbuildings get crimped, crushed, or chewed through occasionally. We cut out the damaged section and replace it with new flex sized to match the air handler’s static pressure, then support it properly so it doesn’t sag or kink again. A crushed flex run repair usually falls in the $250 to $450 range.
Trusted Brands We Service in Keene
We work on systems from every major brand, and when we repair ducts in Keene we use professional-grade materials and equipment from Rotobrush and Nikro, plus air-quality products from Aprilaire and Abatement Technologies. We keep common duct fittings, flex sections, sealants, and liner materials stocked so we can handle most Keene repairs in a single visit. If your system needs a replacement run or a custom plenum patch, we measure and cut on site instead of ordering parts and making you wait. That matters in Keene, where the older homes near campus all have slightly different trunk dimensions and a generic part from a big-box store usually doesn’t fit right.
Common Air Duct Repair Problems We See in Keene Homes
- Separated seams at wall and floor penetrations. The expansive clay under Keene shifts between wet winters and 100-degree summers, pulling 1960s-era sheet-metal joints apart. Return air then pulls in unfiltered Blackland Prairie dust every time the blower runs.
- Deteriorating duct liner in mid-century faculty homes. Homes built near Southwestern Adventist University in the 1960s and 1970s often have original liner that flakes and sheds into the supply ducts. That fibrous material plugs registers and loads the air handler with debris no filter can catch.
- Wind-driven grain and hay dust after spring harvest. Fields south and west of Keene throw fine particulate into the air during dry, windy periods, and return-air systems pull it in through even small leaks. The near-continuous AC runtime from June through September lets that dust settle and harden inside the runs.
- Crushed flex runs in attics and outbuildings. Detached shops, garage conversions, and older flex installations in Keene attics are prone to kinking, sagging, or being crushed by stored items. A crushed flex run starves the room it serves and pushes more air through the rest of the system.
Pricing for Air Duct Repair in Keene, TX
Air duct repair in Keene runs $220 to $680 for most jobs. That covers sealing separated joints, patching sheet-metal runs, replacing short flex sections, and rebuilding a return plenum. A larger job, like repairing multiple failed runs or replacing a corroded section of trunk line, lands in the $600 to $1,200 range. Full or partial duct replacement starts around $1,800 and tops out near $4,200 for a complete system in an older ranch home. We give you a written price before any work begins, and that price includes the repair, the materials, and the guarantee. Call (980) 447-2498 for a free estimate and a firm number before we touch anything.
We Also Serve Cities Near Keene
If you’re outside Keene but still in Johnson County, our Air Duct Repair crews cover the surrounding area too. We regularly work in Cleburne, Joshua, Alvarado, and Burleson, and the same written pricing and 365-day guarantee apply everywhere we go. If you’re in one of those communities and need duct work done, Air Duct Repair in Keene is just a phone call away and we’ll get you scheduled.
Serving Keene, TX - Our Local Coverage Area
We’re based in the Keene 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 Repair in Keene
Homes on the south and west edges of Keene, close to the wheat fields and hay operations, often need duct cleaning every 2 to 3 years, compared to 3 to 5 years for homes in more protected areas. The difference is load: wind-driven grain dust infiltrates return-air systems through even small leaks, and the long summer runtime bakes that dust onto the duct walls and blower assembly. If you can smell hay when the AC kicks on, you’re past due. Call (980) 447-2498 and we’ll inspect what’s actually inside your ducts before recommending anything.
The homes near Southwestern Adventist University sit on Blackland Prairie clay, which expands when wet and contracts during the brutal summer heat, and that movement flexes the slab enough to separate sheet-metal duct joints at floor and wall penetrations. The original 1960s and 1970s joints were never designed for that degree of movement, and after fifty years most of them have opened up at least once. Once a joint separates, return air pulls in unfiltered dust from the crawl space or wall cavity, and the leak gets worse every season. Repair means mechanically refastening and sealing the joint, not just taping over it.
Yes, we repair and replace flex duct in detached garages, shops, and outbuildings throughout Keene. These runs get crushed by stored items, sag from poor support, or get damaged by rodents, and a crushed run starves the space it serves. We cut out the damaged section, install new flex sized to the system’s static pressure, and support it properly so it doesn’t kink again. A typical outbuilding flex repair runs $250 to $450, and you’ll get a written price before we start. Call (980) 447-2498 to schedule an inspection.
It does. Homes in Keene that supplement with a wood stove or fireplace push fine ash and creosote-laden particulate into the return-air stream when the blower runs, and that material sticks to duct walls differently than ordinary household dust. It’s often darker, stickier, and harder to remove with standard brush agitation alone. We account for that with negative-pressure extraction and HEPA filtration on the vacuum so ash doesn’t blow back into your living space. If you burn wood regularly, plan on cleaning your ducts more frequently than a neighbor who doesn’t.
A typical repair in Keene starts with a camera inspection to find every failed joint, crushed run, or deteriorated liner section, not just the one you already noticed. Then we rebuild or seal the failed joints, replace damaged flex or sheet-metal sections as needed, and run the system under negative pressure with HEPA filtration to capture the dust and debris the repair loosens. The final step is verifying airflow and checking the blower assembly for debris. Every job includes a written price before work begins and a written 365-day guarantee. Call (980) 447-2498 for a free estimate, and we’ll walk you through exactly what your system needs.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Keene with verified, accountable duct repair and cleaning.




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