Fast, Reliable Duct Repair & Sealing Across Kendall West
Duct repair and sealing in Kendall West typically costs $280-$650 for standard flex duct repairs and $180-$420 for mastic sealing of accessible joints, with most jobs completed in a single visit. We’re Bellows Air Duct & Vent Co., and we’ve been driving out to Kendall West from our dispatch routes for over 42 years. We know the area’s concrete block homes, the 1980s and 1990s tract construction, and the particular way the Everglades humidity attacks attic ductwork here. If you’re in ZIP 33193 or anywhere near SW 152nd Avenue, we’ll be there when we say. Call (844) 685-6342 for a free estimate.
Why Bellows Air Duct & Vent Co. Is Kendall West’s Preferred Duct Repair & Sealing Company
We’ve built our name in Kendall West on showing up, pricing honestly, and standing behind the work. Our Duct Repair & Sealing team has handled hundreds of jobs in this zip code alone, from routine mastic touch-ups on 1995 CBS homes to full flex duct replacements in the older 1980s builds near the Everglades edge.
Our technicians are background-checked and uniformed, and they answer to a live person at our office 24 hours a day. Not an app. Not a voicemail. A real person. That’s how we’ve operated since 1984, and it’s how we still do business in Kendall West today.
Every job gets a camera inspection before and after. You see what we see. No claims without proof. And our 90-Day Done Right Promise means if something isn’t right, we make it right. No paperwork, no arguing. Ray Castillo put that guarantee in writing from day one, and it hasn’t changed.
We also offer a $50 discount on any repair over $250, a free second opinion on any written estimate you bring us, and a permanent 5% senior and veteran discount. The price we quote is the price on the invoice. No bait coupons, no changes at the door.
Our Duct Repair & Sealing Services in Kendall West
Flex Duct Repair
Kendall West’s housing stock is almost entirely 1980s-1990s CBS construction with original attic-run flex ductwork now hitting 30 to 40 years of service. That foil-and-fiberglass wrapping was never designed to survive four decades in 140-155°F attics. We see inner liner delamination constantly here, especially in homes near SW 152nd Ave and 40th St. Our crew repairs intact sections where possible and replaces legs that have degraded beyond sealing. We use Aprilaire-insulated flex for replacements, matched to your system’s static pressure requirements.
Duct Sealing with Mastic Sealant
In Kendall West’s extreme humidity, old mastic on flex connections fails from differential expansion. The cold duct contracts, the hot attic air expands the joint, and the seal cracks. We strip failed material and apply fresh Honeywell mastic rated for South Florida’s moisture load. On a 1988 CBS home near SW 152nd Ave & 40th St, our crew found that a simple duct leak repair turned into a full flex-duct replacement: the original duct’s inner liner had delaminated, releasing fiberglass into the air stream. We sealed the remaining intact runs with Honeywell mastic and replaced three compromised legs with new Aprilaire-insulated flex, restoring static pressure and eliminating the ‘dust storm’ the homeowner had noticed.
Metal Duct Repair
Some Kendall West homes from the mid-1990s transitioned to galvanized metal trunk lines with flex drops. Metal ducts don’t delaminate, but they corrode at seams and can separate at collars after decades of vibration. We repair metal runs with proper mechanical fastening and seal with Abatement Technologies compounds rated for HVAC applications. If your 1995 CBS home has metal supply trunks, we’ll inspect for rust-through and collar separation.
Duct Insulation Replacement
The original foil-faced fiberglass on Kendall West flex duct loses its R-value as the facing cracks and the fiberglass compresses. We replace compromised insulation with modern materials that maintain thermal barrier integrity even in 150°F attics. This matters enormously here. Your AC runs nearly every day of the year. Every degree of cooled air lost to uninsulated ductwork is money you’re paying to cool your attic.
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 Kendall West
We carry Rotobrush agitation equipment for thorough pre-repair cleaning, Honeywell mastic compounds for sealing, and Aprilaire insulated flex duct for replacements. We also stock Abatement Technologies HEPA containment gear for jobs where fiberglass particulate release is a concern. For Kendall West homeowners, this means we don’t order parts and make you wait. Most repairs are completed in a single visit because our trucks are stocked for the specific failure modes this area’s housing stock produces.
Common Duct Repair & Sealing Problems We See in Kendall West Homes
- Fiberglass particulate release from delaminated liner. The inner liner of 1980s-era flex duct breaks down after years in 140-155°F attics. When disturbed during repair or cleaning, it releases visible fibers into the air stream. We catch this with camera inspection before work begins.
- Mastic failure at flex connections. The temperature swing between 55°F conditioned air inside the duct and 150°F attic air outside causes repeated expansion and contraction. Old mastic cracks. We see this on nearly every 1990s home we open in Kendall West.
- Sagging flex ducts with moisture accumulation. Poor original support straps let flex ducts dip. In Kendall West’s 85-90% ambient humidity, those low points collect condensation that never evaporates. Sealing leaks without re-supporting the run just traps more moisture.
- Biological contamination in never-dry duct interiors. Because AC runs year-round here, ducts never get a dry season. Mold and mildew colonize degraded liner surfaces. Cleaning alone isn’t enough if the liner is actively shedding material.
Pricing for Duct Repair & Sealing in Kendall West, FL
Here’s what duct repair and sealing costs in the Kendall West market:
| Service | Typical Range in Kendall West |
|---|---|
| Mastic sealing of accessible joints (per system) | $180-$340 |
| Flex duct repair, partial leg (per run) | $280-$450 |
| Flex duct replacement, single leg with insulation | $340-$580 |
| Full flex duct replacement, typical 3-bedroom home | $1,800-$3,200 |
| Metal duct seam repair and resealing | $220-$420 |
| Duct insulation replacement (per run) | $180-$320 |
Costs run toward the higher end when attic access is tight, when multiple legs have failed, or when we find biological contamination requiring containment protocols. We disclose the full price before lifting a single tool. Our $50 off any repair over $250 applies to most jobs here. Call (844) 685-6342 for an exact quote. Estimates are free.
We Also Serve Cities Near Kendall West
Our crews regularly work in Kendall West and the surrounding communities: Kendale Lakes to the north, Country Walk to the south, The Hammocks to the west, and The Crossings to the east. Same response standards, same pricing transparency, same 90-Day Done Right Promise.
Serving Kendall West, FL - Our Local Coverage Area
We’re based in the Kendall West 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 Kendall West
Many 1989 Kendall West homes can be repaired rather than fully replaced, but only after camera inspection reveals the liner condition. If the inner liner has delaminated and is releasing fiberglass, sealing leaks won’t solve the particulate problem. We replace the compromised legs and seal the intact ones. Call (844) 685-6342 and we’ll show you exactly what your ducts look like inside.
The ambient humidity here, regularly 85-90% due to direct Everglades proximity, means moisture continuously infiltrates return-air systems and condenses on cool duct walls. This prevents any natural drying cycle and accelerates mastic failure, mold growth, and liner degradation. We account for this by using humidity-rated sealants and verifying that repaired runs are properly pitched and supported to eliminate standing condensation. For a system-specific assessment, call (844) 685-6342.
Visible fiberglass dust around vents, a sudden increase in respiratory irritation, reduced airflow from specific registers, or a “dust storm” effect when the system cycles on. In Kendall West’s 30-to-40-year-old housing stock, these symptoms almost always trace to delaminated liner. We confirm with camera inspection. If you’re seeing these signs, call (844) 685-6342 for a free look.
Yes. Mid-1990s Kendall West homes sometimes used galvanized metal trunk lines with flex drops. We repair separated collars, seal corroded seams, and replace damaged sections. The concrete block construction doesn’t affect metal duct access; attics in these homes are typically accessible through standard hatches. Call (844) 685-6342 to schedule inspection.
We camera-inspect every job after completion and measure static pressure and airflow at the air handler and key registers. You’ll see the post-repair footage. If pressure and flow don’t meet manufacturer specifications, we adjust until they do. That’s covered by our 90-Day Done Right Promise. Call (844) 685-6342 to book.
Ready to stop losing cooled air to your attic and breathing whatever your 30-year-old ducts are shedding? Call Bellows Air Duct & Vent Co. at (844) 685-6342 for a free estimate on duct repair and sealing in Kendall West. We’ll show you the camera footage, quote one honest price before we start, and stand behind the work for 90 days in writing.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Kendall West since 1984.