Fast, Reliable Duct Repair & Sealing Across Arlington
Arlington homeowners dealing with hot rooms, musty air, or rising electric bills usually have ductwork that’s leaking, sagging, or pulling unfiltered attic air into their living space. In most Arlington homes we service, the real problem isn’t the HVAC unit itself - it’s the ducts that connect to it. We repair and seal duct systems across Arlington, from the established neighborhoods near Fielder Road to the townhome clusters off Matlock and the ranch-style homes filling out 76006. Our Duct Repair & Sealing technicians are background-checked, uniformed, and carry the equipment to finish most jobs in a single visit. Call (866) 347-2063 for upfront pricing and a free estimate.
Why Bellows Air Duct & Vent Co. of Texas Is Arlington’s Preferred Duct Repair & Sealing Company
We’ve been serving Texas homeowners since 1984, and Arlington has been part of our route for decades. Wade Kellerman and our team know the difference between a 1978 split-level in 76010 and a 1990s build in 76005 - and we know the duct problems each one develops.
Our reputation in Arlington is built on showing up when we say we will and doing what we promised. We answer calls with a live person, 24 hours a day. Not an app. Not a callback queue. A real person at our office who can dispatch a technician to Arlington today.
Every job gets camera-inspected before and after. You see what we see. No claims without proof. Our 90-Day Done Right Promise means if the seal doesn’t hold or the repair fails, we return at no charge - no paperwork, no arguing. That’s been our standard for over 42 years.
We don’t bait with coupons and change the price at the door. The number we give you on the phone is the number on the invoice. Arlington homeowners who’ve been burned by low-bid operators tell us that’s why they stick with Bellows.
Our Duct Repair & Sealing Services in Arlington
Duct Sealing with Mastic Sealant
Arlington’s older neighborhoods - particularly 76010 and 76012 - are full of duct systems that were never properly sealed at the joints. We apply professional-grade mastic sealant by hand and with specialized tools, creating a permanent, flexible bond that tape alone can’t match. In tight Arlington crawlspaces and attic runs where equipment access is limited, our technicians work by hand to ensure complete coverage. Mastic is the only sealing method we trust for fiberglass duct board, which is common in central Arlington homes built during the 1970s and 1980s.
Flex Duct Repair
First-generation flex duct in Arlington’s 1970s and 1980s housing stock has often compressed, kinked, or collapsed entirely after decades of DFW heat cycling. We replace damaged flex runs with properly sized, insulated flex duct, supported every four feet to prevent future sagging. Last month in central Arlington’s 76010, we found a 1978 split-level where the fiberglass duct board had shed so much debris that the supply registers were blowing visible fibers. We sealed the entire duct system with mastic and replaced a 40-foot run of collapsed flex duct that had been pulling unfiltered attic air for years.
Metal Duct Repair
Where Arlington homes have galvanized steel trunk lines - more common in 76006 and some 76005 builds - we repair separated seams, patch corrosion holes, and rehang sections that have pulled loose from supports. Metal duct can last longer than flex, but only if the joints remain sealed and the supports stay intact. We use proper sheet metal screws and seal all connections with mastic, not duct tape, which fails within months in hot attics.
Duct Insulation
Uninsulated or degraded duct insulation is a major efficiency loss in Arlington, where attics regularly hit 140°F in summer. We install new foil-faced insulation on exposed supply runs, paying special attention to Arlington’s dense townhome layouts where ducts often run through unconditioned chase ways shared with neighboring units. Proper insulation keeps the air you paid to cool actually cool by the time it reaches your vents.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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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 Arlington
We carry and install equipment from Rotobrush, Nikro, and Honeywell - the same brands serious HVAC contractors specify for their own jobs. For Arlington homeowners, this means we stock the fittings, connectors, and sealants that match your existing system without waiting on special orders. Our technicians arrive with the parts to complete most repairs in one visit, whether we’re working on a ranch in 76006 or a townhome off Cooper Street.
Common Duct Repair & Sealing Problems We See in Arlington Homes
- Slab settlement severs duct connections. Arlington’s Blackland Prairie clay soil shifts seasonally, and that movement cracks rigid duct connectors in 76010 and 76012 neighborhoods. We routinely find separated trunk sections pulling unconditioned attic air and debris directly into the supply system. Cleaning alone won’t fix this - it requires sealing and a full duct integrity inspection.
- Fiberglass duct board delaminates and sheds fibers. Original fiberglass duct board liners in Arlington’s 1970s-1980s homes break down after decades of continuous heat cycling. The exposed glass fibers blow into living spaces through supply registers. Sanding or aggressive brushing can worsen the shedding unless followed by mastic encapsulation to seal the degraded surface.
- Dense alley access blocks standard equipment. Arlington’s townhome and alley-load layouts often prevent us from bringing portable duct-sealing equipment to the door. Our technicians hand-apply mastic in tight crawlspaces and attic hatches, working methodically to ensure complete coverage where machines can’t reach.
- Compressed flex duct chokes airflow. Original flex duct in Arlington’s older homes has often been crushed by storage items in attics, pinched by improper support, or simply collapsed from age. The result is weak airflow to distant rooms and an HVAC system that runs constantly without ever catching up.
Pricing for Duct Repair & Sealing in Arlington, TX
Most Arlington homeowners want to know what duct repair costs before they schedule. Here are the ranges we see in this market:
| Service | Typical Range in Arlington |
|---|---|
| Mastic sealing of accessible joints (whole system) | $450 - $850 |
| Flex duct repair / replacement (per run) | $280 - $520 |
| Metal duct seam repair and resealing | $320 - $680 |
| Duct insulation replacement (per run) | $240 - $480 |
| Full duct integrity inspection with camera | $189 - $250 |
What moves the price? Accessibility matters most. A wide attic in 76006 is faster to work in than a tight crawlspace in a 76010 townhome. The extent of damage matters too - a single separated joint costs less than a system where slab movement has gapped multiple trunk connections. We inspect with a camera first, show you what we find, and give you one honest price before we start. No changes at the door. Call (866) 347-2063 for a free estimate - and remember, we offer $50 off any repair over $250, plus a free second opinion on any written estimate you’ve already received.
We Also Serve Cities Near Arlington
Our technicians live and work across the mid-cities, so we’re rarely far from your call. We also provide Duct Repair & Sealing in Arlington and surrounding areas including Kennedale, Forest Hill, Hurst, and Grand Prairie. Same standards, same live-answer dispatch, same 90-Day Done Right Promise.
Serving Arlington, TX - Our Local Coverage Area
We’re based in the Arlington 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 - Duct Repair & Sealing in Arlington
Yes - we use mastic sealant specifically formulated for fiberglass duct board, applied by hand without abrasive prep that would worsen fiber shedding. The mastic encapsulates the degraded surface and seals joints permanently. In Arlington’s 1970s-1980s housing stock, this is our standard approach. Call (866) 347-2063 to schedule a camera inspection and see what condition your duct board is in.
Blackland Prairie expansive clay soil underlies all of Arlington, but the older slab-on-grade homes in 76010 have had decades more time for seasonal soil movement to work on rigid duct connectors. Each wet-dry cycle shifts the slab slightly, progressively gapping joints in under-slab and attic runs. We see this failure mode almost weekly in central Arlington. Sealing with flexible mastic and adding proper supports reduces repeat separation, though severe slab issues may need structural attention too.
For most Arlington townhome repairs, we don’t need large portable equipment at all. We hand-apply mastic and make repairs with compact tools that fit through standard doors and tight attic hatches. If larger equipment is ever necessary for a full duct pressurization test, we coordinate timing to minimize alley congestion. We’ve worked in dense Arlington layouts for years and know how to access your system without creating problems for your neighbors.
We’re fully licensed, insured, and bonded for residential HVAC and ductwork throughout Texas, including Arlington and Tarrant County. We’re happy to provide our certificate of insurance directly - just ask when you call (866) 347-2063. Every technician we send to your Arlington home is also background-checked and uniformed, and has passed our in-house training on the specific duct failure modes common to this area’s housing stock.
A musty smell usually means your ducts are pulling air from somewhere they shouldn’t - a hot attic, a damp crawlspace, or a disconnected return. Cleaning removes what’s already inside but won’t stop new contamination from entering through gaps. In 76006’s 1980s homes, we find that cleaning combined with mastic sealing and joint repair solves musty odors far more reliably than cleaning alone. We start every job with a camera inspection so you can see exactly where your ducts are leaking before you decide on the right fix. Estimates are free - call (866) 347-2063.
Ready to stop throwing money at leaky ducts? Call Bellows Air Duct & Vent Co. of Texas at (866) 347-2063 for a free estimate on duct repair and sealing in Arlington. We’ll show you what we find with our camera, give you one upfront price, and back the work with our 90-Day Done Right Promise - in writing, no arguing. Wade Kellerman and our team have been doing it this way since 1984.
Written by Wade Kellerman, Owner at Bellows Air Duct & Vent Co. of Texas, serving Arlington since 1984.