Fast, Reliable Duct Repair & Sealing Across Lake Worth
Duct repair and sealing in Lake Worth typically costs $180-$650 depending on the scope, and most jobs are completed in a single visit. We’re Bellows Air Duct & Vent Co., and we’ve been fixing ductwork in Palm Beach County since 1984. Our Duct Repair & Sealing team knows the difference between a 1960s CBS retrofit attic and a 1990s tract home, and we treat them that way. Call (844) 685-6342 for a free estimate - we’ll be there when we say.
Lake Worth sits in that narrow coastal strip between the Intracoastal Waterway and the Atlantic, and that geography shapes every duct repair we do here. The humidity doesn’t take winters off. Neither does your AC. That means duct problems in Lake Worth aren’t seasonal inconveniences - they’re constant, invisible drains on your system and your air quality. We’ve worked in the tight attics off Lucerne Avenue, the townhome clusters near Lake Worth Beach, and the older CBS blocks of College Park. We know the clearance issues, the parking constraints, and the specific ways South Florida’s climate degrades ductwork that was never designed for it.
Why Bellows Air Duct & Vent Co. Is Lake Worth’s Preferred Duct Repair & Sealing Company
We’ve been serving Lake Worth and surrounding Palm Beach County communities for over 42 years. That’s not a slogan - it’s a track record of showing up, doing the work, 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.
Our technicians are background-checked, uniformed, and equipped with camera inspection systems from Rotobrush and Abatement Technologies. You see what we see - before and after. No claim without proof. Our office answers calls 24 hours a day with a live person, not a voicemail tree. Most Lake Worth repairs are completed in a single visit because we stock the parts and materials that local duct systems actually need.
We don’t bait with coupons and change the price at the door. Our upfront pricing is disclosed before a single tool is lifted. The number on the phone is the number on the invoice. For homeowners who’ve been burned by low-bid operators before, that’s the difference between calling once and calling back forever.
Our Duct Repair & Sealing Services in Lake Worth
Duct Sealing
Leaky ducts are the most common problem we find in Lake Worth’s older homes. In the 33460 and 33461 zip codes, many 1950s-1970s CBS homes have retrofitted central AC with flexible aluminum duct connections that commonly crack or detach from plenum boxes, pulling 140°F attic air directly into living spaces - a problem rarely found in newer construction westward. We seal with commercial-grade mastic, not hardware-store tape that fails in humid attics. Our crew pressure-tests every seal to verify the fix.
Flex Duct Repair
Flex duct in Lake Worth attics doesn’t age gracefully. The older eastern neighborhoods are dominated by concrete-block-stucco homes from the 1950s-1970s with retrofitted duct systems, inadequate return-air pathways, and aging flex duct that has degraded under decades of extreme attic heat. We replace torn or collapsed runs with properly sized, insulated flex, supported every four feet to prevent sagging that traps condensation. Last summer in the College Park neighborhood of 33460, our crew repaired a fully detached return-air flex duct in a 1965 CBS home. The homeowner had noticed warm spots and rising bills. We reconnected the rotted metal collar with mastic and new straps, then sealed all joints with Rotobrush’s HEPA-vacuumed mastic. The system’s static pressure dropped from 0.7 to 0.4 inWC, and the homeowner reported immediate comfort improvement.
Metal Duct Repair
Some Lake Worth homes, particularly 1970s slab construction in 33462 and 33463, have original galvanized metal duct runs that have corroded at seams or collapsed under insulation weight. We repair metal with proper sheet-metal patching, seal with Abatement Technologies’ DuroDyne mastic systems, and reinforce where needed. Metal work takes longer than flex replacement, but it’s often the right fix for homes where the original duct layout is sound and accessible.
Mastic Sealant Application
Generic mastic fails in Lake Worth’s high-humidity attics. We use commercial-grade sealants formulated for South Florida’s moisture differential between supply air and duct surfaces. The moisture differential in humid attics makes mold growth a near-constant finding rather than an occasional one, so our sealing process includes antimicrobial treatment where appropriate. We don’t guess - we camera-verify every seal before we close up.
Duct Insulation
Under-insulated ducts in Lake Worth attics sweat. That moisture degrades surrounding materials and drives mold colonization. We add or replace insulation on repaired runs, using products rated for the 140°F+ temperatures these attics reach. Proper insulation pays for itself in reduced runtime and protected duct integrity.
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 Lake Worth
We stock parts and materials from Rotobrush, Abatement Technologies, and Aprilaire - the same brands serious HVAC contractors specify. For Lake Worth homeowners, that means faster turnaround and repairs that match what your system was built to handle. We don’t substitute generic materials to hit a price point. Our trucks carry Abatement Technologies’ DuroDyne mastic, Rotobrush HEPA vacuum systems, and Aprilaire filtration components so most jobs finish without a parts run. That’s how we keep our single-visit completion rate high and your downtime low.
Common Duct Repair & Sealing Problems We See in Lake Worth Homes
- Flex ducts torn or disconnected by past AC repairs in tight 1950s attics. Retrofit work in cramped Lake Worth attics often leaves flex crushed, kinked, or pulled loose at collars. The gap pulls humid attic air into living spaces, and homeowners rarely know it’s happening because the AC still “works” even while circulating attic air loaded with insulation fibers and mold spores.
- Collapsed metal duct runs under insulation in 1970s slab homes. Especially near return-air pathways blocked by remodeled walls, we find original galvanized ducts that have rusted through or been crushed by decades of insulation weight. These failures are invisible until comfort drops and bills spike.
- Mast-backed generic mastic that fails in Lake Worth’s high-humidity attics. Previous repairs with hardware-store tape or thin mastic dry out and crack within a season. We remove the failed material and apply commercial-grade sealant rated for continuous moisture exposure.
- Inadequate return-air pathways in retrofitted systems. Many Lake Worth CBS homes were never designed for central AC, so return air struggles to find its way back to the unit. We identify and correct restricted pathways that force the system to work harder than it should.
Pricing for Duct Repair & Sealing in Lake Worth, FL
Here’s what duct repair and sealing costs in Lake Worth’s market:
| Service | Typical Range |
|---|---|
| Single flex duct repair/replacement | $180-$340 |
| Duct sealing (mastic, per system) | $280-$520 |
| Metal duct patch and seal | $320-$580 |
| Full duct insulation (per run) | $200-$400 |
| Multiple disconnected duct repairs | $450-$650 |
Factors that move the price: accessibility in tight attics, extent of mold or biofilm requiring remediation, and whether previous repairs used substandard materials that must be removed first. We disclose the full price before work begins - no bait coupons, no price changes at the door. Call (844) 685-6342 for a free estimate. We also offer $50 off any repair over $250, free second opinions on any written estimate, and a permanent 5% senior and veteran discount.
We Also Serve Cities Near Lake Worth
Our service area extends to Greenacres City, Lake Worth Corridor, Palm Springs, and Lantana. If you’re in one of these communities and dealing with duct issues in older or retrofitted homes, the same crew that knows Lake Worth’s housing stock can be at your door. Same standards, same upfront pricing, same 90-Day Done Right Promise.
Serving Lake Worth, FL - Our Local Coverage Area
We’re based in the Lake Worth 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 Lake Worth
Look for uneven cooling between rooms, higher-than-normal electric bills, or dust that seems to return quickly after cleaning. In Lake Worth’s 33460 and 33461 zip codes, we frequently find flex connections that have cracked or detached from plenum boxes while the system still runs - the AC “works,” but it’s pulling 140°F attic air into your living space. Call (844) 685-6342 and we’ll camera-inspect the ductwork to confirm. Estimates are free.
We use commercial-grade mastic, never tape, for permanent seals in South Florida’s climate. Hardware-store tape and generic mastic dry out and fail within a season in attics that regularly exceed 140°F with 75-85% relative humidity. Our crews apply Abatement Technologies’ DuroDyne mastic systems and pressure-test every joint. Call (844) 685-6342 to schedule - we’ll show you the before-and-after camera footage.
Yes. We’ve repaired ductwork in Lake Worth townhomes with scuttle-holes, closet-mounted air handlers, and crawl-space returns. Our technicians carry compact equipment and are experienced in tight-clearance work. We’ll assess access during your free estimate and explain exactly how we’ll reach the problem. Call (844) 685-6342 to arrange a look.
Every two to three years for homes with flex duct in attic spaces, and annually if your home is pre-1980 with retrofitted ductwork. Lake Worth’s continuous AC runtime and humid attic conditions accelerate biofilm and debris accumulation faster than seasonal climates. Our $89 Seasonal Tune-Up includes a basic duct inspection. Call (844) 685-6342 to book.
We repair both. Metal duct repair is common in 1970s slab homes in 33462 and 33463, where original galvanized runs have corroded or collapsed under insulation. Flex duct dominates the 1950s-1970s retrofitted systems in 33460 and 33461. We’ll tell you honestly which material makes sense for your home’s specific layout and condition. Call (844) 685-6342 for a free second opinion on any written estimate.
Ready to stop losing cooled air to your attic? Call Bellows Air Duct & Vent Co. at (844) 685-6342 for a free estimate on duct repair and sealing in Lake Worth. We’ll show you the problem, quote the fix upfront, and stand behind our work for 90 days - in writing, no arguing. That’s how we’ve operated since 1984.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Lake Worth since 1984.