Fast, Reliable Duct Repair & Sealing Across Lauderdale-by-the-Sea
Duct repair and sealing in Lauderdale-by-the-Sea typically runs $180-$650 depending on whether we’re sealing joints with mastic, replacing delaminated flex sections, or repairing corroded metal collars, and most jobs are completed in a single visit. Our Duct Repair & Sealing team has worked the barrier island for over 42 years, and we understand that salt air here isn’t a seasonal nuisance - it’s a constant, aggressive force on your ductwork. We answer calls 24 hours a day at (844) 685-6342, and we’ll be there when we say.
Lauderdale-by-the-Sea sits on roughly one square mile of Atlantic exposure with no inland buffer. That means every duct system here faces salt-air degradation as a baseline condition. We’ve replaced duct liners in condos along El Mar Drive that looked fine from the outside but had inner layers peeling away from salt-moisture cycling. We’ve sealed corroded metal collars in 1960s beach cottages where the original galvanized steel had turned to powder. This isn’t inland Broward County. The rules are different here, and the repairs need to account for that.
Why Bellows Air Duct & Vent Co. Is Lauderdale-by-the-Sea’s Preferred Duct Repair & Sealing Company
We’ve been serving South Florida homeowners since 1984, and Lauderdale-by-the-Sea has been part of our route from the beginning. Ray Castillo built this company on the K.E.Y.S. values code - keep every yardstick straight - and that means one honest price shown before we start, camera-verified results every time, and a 90-Day Done Right Promise stamped on every job.
Our technicians are background-checked, uniformed, and trained to recognize the specific failure patterns this barrier island creates. They know that a flex duct in a two-block beach zone ages differently than the same duct in Sunrise or Oakland Park. We don’t bait with low coupons and change the price at the door. The number on the phone is the number on the invoice.
Calls are answered by a live person, 24/7 - not a voicemail, not an app. Most repairs are completed in a single visit because we stock the salt-resistant materials and professional-grade equipment that serious HVAC contractors specify. Our Duct Repair & Sealing in Lauderdale-by-the-Sea work is backed in writing. If it’s not right, we make it right. No paperwork, no arguing.
Our Duct Repair & Sealing Services in Lauderdale-by-the-Sea
Duct Sealing
Leaky ducts in Lauderdale-by-the-Sea waste more than energy - they pull humid, salt-laden attic air directly into your living space. We seal every joint, collar, and penetration with mastic sealant, not tape that will dry and fail in this climate. A typical duct sealing job in Lauderdale-by-the-Sea runs $180-$340 for a standard single-system home. We camera-inspect before and after so you see the difference.

Flex Duct Repair
This is where salt air hits hardest. Technicians working the oceanfront condo corridors along El Mar Drive regularly find flexible duct inner liners have begun delaminating due to salt-moisture cycling - a failure mode rare a few miles inland but almost expected here. We replace damaged sections with properly insulated flex duct rated for humid coastal environments, seal all joints with mastic, and verify airflow balance before we leave. Flex duct repair in Lauderdale-by-the-Sea typically costs $220-$480.

Metal Duct Repair
Original metal ductwork in Lauderdale-by-the-Sea’s mid-century condos and cottages oxidizes faster than anywhere we serve inland. Collars rust through. Seams split. We cut out corroded sections, fabricate replacements from galvanized or stainless stock, and seal with mastic for a repair that holds up to salt air. Metal duct repair runs $280-$550 depending on access and extent of corrosion.

Duct Insulation & Mastic Sealant
Unconditioned attic spaces in Lauderdale-by-the-the-Sea routinely see 80%+ relative humidity. Any breach in duct insulation becomes a condensation point, then a mold point. We reinsulate with foil-faced fiberglass or closed-cell foam where appropriate, and we seal every penetration with mastic - the only sealant that stays flexible and bonded in this environment. Duct insulation work ranges $320-$650.

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 Lauderdale-by-the-Sea
We stock parts and materials from Nikro, Honeywell, and Aprilaire - the same brands serious HVAC contractors specify for coastal installations. That means no waiting on special orders for most Lauderdale-by-the-the-Sea repairs. Our trucks carry insulated flex duct, mastic sealant, corrosion-resistant collars, and antimicrobial treatments formulated for humid salt-air environments. When we pull up to your building on A1A or a side street off Commercial Boulevard, we’re ready to finish the job that day.
Common Duct Repair & Sealing Problems We See in Lauderdale-by-the-Sea Homes
- Delaminated flex duct liners. The inner layer of flexible duct separates from the wire helix due to repeated salt-moisture cycling. We find this in beachfront units that appear well-maintained from the outside. Airflow drops, noise increases, and the exposed insulation becomes a mold substrate.
- Rapid metal collar oxidation. Galvanized steel collars and duct seams corrode years faster than inland. What looks like surface rust in October is a through-hole by March. We replace with heavier-gauge or stainless options and seal with mastic.
- Mold establishment in duct breaches. Where 80%+ attic humidity meets salt residue inside a leaky duct, mold colonies establish within a single cooling season. We repair the breach, clean affected sections, and apply antimicrobial treatment - a genuine necessity here, not an upsell.
- Failed tape seals in attic cavities. The town’s 1950s-1970s housing stock has tight attic or ceiling-cavity duct runs never designed for this humidity. Standard duct tape dries and fails; we remove it entirely and seal with mastic, the only proper repair for this climate.
Pricing for Duct Repair & Sealing in Lauderdale-by-the-Sea, FL
Here’s what duct repair and sealing costs in the Lauderdale-by-the-Sea market:
- Duct sealing with mastic (standard single system): $180-$340
- Flex duct section replacement: $220-$480
- Metal duct repair / collar replacement: $280-$550
- Duct insulation replacement: $320-$650
- Antimicrobial treatment after repair: $120-$220
Costs run toward the higher end when we’re working in tight ceiling cavities typical of older beach cottages, or when corrosion has spread through multiple sections of metal duct. We disclose every charge before lifting a tool. No bait coupons, no price changes at the door. Call (844) 685-6342 for a free estimate - we’ll give you the exact number.
Standing offers: $50 off any repair over $250. Free second opinion on any written estimate. Permanent 5% senior and veteran discount.
We Also Serve Cities Near Lauderdale-by-the-Sea
Our service area extends to North Andrews Gardens, Oakland Park, Wilton Manors, and Sunrise. Duct systems inland face different challenges - less salt-air corrosion, but often harder water and different humidity patterns. We adjust our materials and approach accordingly.
Serving Lauderdale-by-the-Sea, FL - Our Local Coverage Area
We’re based in the Lauderdale-by-the-Sea 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 Lauderdale-by-the-Sea
Salt-laden ocean air infiltrates HVAC systems here at a rate far exceeding any inland Broward city, accelerating duct liner corrosion, metal collar oxidation, and mold colonization simultaneously. Because the town has no inland buffer, virtually every duct system faces salt-air degradation as a baseline condition. We use corrosion-resistant materials and mastic sealant specifically to counter this. Call (844) 685-6342 for a free inspection.
Beachfront condos in Lauderdale-by-the-Sea typically need flex duct section replacement with salt-rated insulated duct, plus mastic sealing at all joints. We recently sealed leaking flex ducts in a 1960s beach cottage two blocks off El Mar Drive - the inner liner had delaminated from salt-moisture cycling, so we replaced sections with insulated flex duct and applied mastic sealant at all joints, restoring proper airflow and stopping the mold growth. Most beachfront repairs run $220-$480. Call for an exact quote.
Every 18-24 months for Lauderdale-by-the-Sea properties, versus 3-5 years inland. The salt-moisture cycling accelerates failure modes that stay hidden until airflow drops or mold appears. We offer camera inspection as part of every service call - you’ll see what we see. Our $89 Seasonal Tune-Up includes a duct condition check.
Yes. The town’s mid-century low-rise condos and beach cottages have ceiling-cavity duct runs that weren’t designed for modern access, but our technicians are experienced in these spaces. We use compact tools and flexible camera equipment to work in cavities where full replacement isn’t practical. Tight-access repairs may run 15-25% higher due to labor time. Call (844) 685-6342 to discuss your building.
Yes. We specify insulated flex duct with moisture-resistant inner liners, heavy-gauge or stainless steel collars where metal is required, and mastic sealant formulated for humid coastal environments - not standard tape that fails in this climate. These materials cost more upfront than basic hardware-store stock, but they last. We disclose material choices and pricing before work begins.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Lauderdale-by-the-Sea since 1984.