Fast, Reliable Duct Repair & Sealing Across Palm Beach
Duct repair and sealing in Palm Beach typically costs $280-$680 for most residential jobs, with same-day service available when you call before noon. We’re Bellows Air Duct & Vent Co., and we’ve been sending our Duct Repair & Sealing crews across South Florida since 1984. Palm Beach isn’t just another stop on our route. It’s a barrier island with its own set of problems: salt air eating metal ducts from both sides, historic estates with ductwork squeezed into spaces never meant for it, and snowbird homes sitting sealed through brutal summers. We know the difference between a Mizner-era retrofit and a mid-century install, and we know what fails first on this island. Call (844) 685-6342 for a free estimate. We’ll be there when we say.
Why Bellows Air Duct & Vent Co. Is Palm Beach’s Preferred Duct Repair & Sealing Company
We’ve built our reputation in Palm Beach one job at a time, mostly through homeowners who tell their neighbors. Our technicians have repaired ducts in the estates along North County Road, in the condos near Worth Avenue, and in the mid-century homes tucked back on Jungle Road. They know what salt-corroded metal looks like before it fails completely.
Calls are answered by a live person, 24 hours a day. Not a voicemail. Not an app. If your system is blowing musty air the night before guests arrive, someone picks up.
Every job gets camera-inspected before we start and after we finish. You see what we see. No claims without proof. Our 90-Day Done Right Promise is stamped on every invoice: if it’s not right, we make it right. No paperwork, no arguing.
Most repairs are completed in a single visit by background-checked, uniformed technicians. The price we quote on the phone is the price on the bill. We’ve been doing it this way for over 42 years.
Our Duct Repair & Sealing Services in Palm Beach
Duct Sealing
Leaky ducts are the silent killer of efficiency in Palm Beach, where your air conditioner already works harder than almost anywhere in the country. In the island’s historic estates, we’ve found supply ducts losing 25-30% of cooled air into hot attics through gaps at joints and seams. Our duct sealing service uses professional-grade mastic sealant and metal-backed tape to close every leak point. We pressure-test the system before and after to prove the improvement. In Palm Beach’s climate, every cubic foot of cooled air that escapes into your attic is money you’re paying FPL to waste.
Metal Duct Repair
Palm Beach’s position on a barrier island exposes duct systems to salt-laden air from both the Atlantic Ocean and the Intracoastal Waterway, accelerating corrosion of metal ducts and hardware faster than any inland South Florida location. We’ve replaced metal supply lines in homes along South Ocean Boulevard where the seams had rusted through after just eight years, half the lifespan you’d expect inland. Our metal duct repair removes corroded sections and installs galvanized or stainless-steel replacements with corrosion-resistant fasteners. Where salt exposure is extreme, we’ll recommend transitioning to insulated flex duct in vulnerable runs.
Flex Duct Repair
The retrofitted duct systems common in Palm Beach’s 1920s-1940s Mediterranean Revival homes often rely on flex duct crammed through tight soffits and chases. The insulation gets compressed, the inner liner tears on sharp edges, and the sagging collects condensation. In a Mediterranean Revival estate on North County Road, we found that the salt air had corroded the metal supply ducts where they passed through an uninsulated soffit. We replaced the damaged sections with insulated, corrosion-resistant flex duct and sealed all joints with mastic to prevent future moisture intrusion. Flex duct repair is often the right solution where rigid metal simply won’t fit the original architecture.
Duct Insulation
Uninsulated or degraded duct insulation is a particular problem in Palm Beach’s flat-roof homes, where attic temperatures can exceed 140 degrees in summer. When cool air passes through bare metal ducts in that environment, condensation forms on the outside, dripping into ceilings and breeding mold. Our duct insulation service wraps supply lines with formaldehyde-free fiberglass insulation at proper R-value for South Florida’s climate, sealed with vapor barrier to stop moisture transfer. In Mizner-era homes with limited attic access, we often insulate from the interior using spray-foam applications on exposed duct runs.
Mastic Sealant Application
We don’t trust duct tape for duct sealing. The name is a historical accident, and in Palm Beach’s humidity, standard adhesive tapes fail within months. Our mastic sealant application brushes a thick, fiber-reinforced compound onto every joint, seam, and penetration. It cures to a flexible, permanent seal that withstands thermal expansion and vibration. For homes near the ocean, we specify mastic formulations rated for salt-air environments. This is the standard our Palm Beach crews apply on every sealing job, no exceptions.
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 Palm Beach
We stock parts and specify equipment from the brands serious HVAC contractors trust: Rotobrush for duct cleaning and inspection systems, Nikro for negative air machines and HEPA filtration, and Abatement Technologies for containment and air scrubbing. For Palm Beach customers, this means we don’t order parts from a warehouse three counties away and make you wait. Our trucks carry common duct fittings, sealants, and insulation materials sized for residential systems. Most repairs don’t require a second trip. When we’re working on a historic estate with unusual dimensions, we’ll measure, fabricate custom transitions on-site, and install same-day.
Common Duct Repair & Sealing Problems We See in Palm Beach Homes
- Salt air corrodes metal duct seams and fasteners, causing leaks that reduce system efficiency. The double-water exposure of the barrier island means marine aerosol infiltrates attic vents and soffit grilles year-round. We find pinhole corrosion at duct joints that inland homes simply don’t experience at the same rate. Annual inspection catches this before it becomes a full breach.
- Stagnant, humid air in closed-up snowbird homes allows mold colonies to form inside retrofitted ducts, requiring thorough sealing after cleaning. When seasonal residents lock up their Palm Beach estates from May through October, the HVAC system sits idle while humidity remains trapped. We consistently find that when these homes reopen in October-November, duct interiors are coated with visible mold that formed in stagnant, superheated humid air. Cleaning removes it; proper sealing prevents recurrence.
- Improperly sealed duct joints in 1920s-1940s homes trap moisture, leading to accelerated microbial growth and structural damage. The original construction of these estates never anticipated forced-air systems. Retrofitted ducts run through wall cavities and soffits with inadequate slope for drainage, creating low spots where condensation pools. We’ve opened ceiling panels to find flex duct sitting in an inch of water, the insulation saturated and the drywall above compromised.
- Oversized HVAC systems in luxury homes short-cycle, stressing duct connections and accelerating wear. Many Palm Beach estates have equipment sized for maximum load that rarely occurs, causing rapid on-off cycling. The pressure pulses loosen duct joints over time, especially in flex duct with inadequate support. Proper sealing combined with airflow balancing reduces the strain and extends system life.
Pricing for Duct Repair & Sealing in Palm Beach, FL
We’re upfront about what duct repair and sealing costs in Palm Beach because we don’t believe in bait pricing. Here’s what typical jobs run:
| Service | Typical Range in Palm Beach |
|---|---|
| Duct sealing (whole system, mastic) | $280-$450 |
| Flex duct repair/replacement (per run) | $180-$340 |
| Metal duct repair (section replacement) | $320-$580 |
| Duct insulation (per linear foot) | $12-$18 |
| Mastic sealant application (spot repair) | $150-$260 |
What moves you within these ranges: accessibility (tight Mizner-era attics take longer), extent of corrosion damage, whether mold remediation is needed before sealing, and the size of the home. We inspect with a camera before quoting, so you see exactly what we see. Estimates are free. Our $50 Off Any Repair Over $250 applies to most duct repair jobs. Seniors and veterans receive a permanent 5% discount. Call (844) 685-6342 for your exact quote.
We Also Serve Cities Near Palm Beach
Our crews work throughout the Palm Beach County area, including Duct Repair & Sealing in Palm Beach proper as well as West Gate, West Palm Beach, Riviera Beach, and Lake Park. Same-day service extends to these neighboring communities when scheduling allows. If you’re unsure whether your address falls in our standard Palm Beach service area, call and we’ll confirm.
Serving Palm Beach, FL - Our Local Coverage Area
We’re based in the Palm Beach 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 Palm Beach
The barrier island geography exposes Palm Beach homes to salt-laden marine air from both the Atlantic Ocean and the Intracoastal Waterway simultaneously, while West Palm Beach sits inland across the waterway with significantly less salt aerosol infiltration. This double exposure accelerates galvanic corrosion of metal ducts, fasteners, and registers by an estimated 40-60% compared to inland locations. We specify corrosion-resistant materials and more frequent inspection intervals for island homes. Call (844) 685-6342 to schedule a corrosion assessment - estimates are free.
Schedule a duct inspection and camera evaluation two weeks before your return date, not the day you arrive. The stagnant, superheated humid air in sealed-up island homes creates ideal conditions for mold colonization in ductwork, especially in retrofitted systems with irregular airflow. We often find visible mold coating duct interiors in October-November reopenings. Cleaning and sealing before occupancy prevents blowing spores through your living space. Call (844) 685-6342 to book pre-season service - we coordinate with property managers and caretakers.
Yes, significantly. Leaky return ducts in these homes draw hot, humid attic air directly into the system, overwhelming the dehumidification capacity. In Palm Beach’s climate, we’ve measured return duct leaks adding 15-20% additional humidity load. Sealing these leaks with mastic allows your air conditioner to dehumidify properly instead of fighting infiltration. The improvement is measurable with a hygrometer, not just a feeling. Call (844) 685-6342 for a pressure test that pinpoints exactly where your system is sucking in humid air.
We use mastic sealants specifically rated for salt-air and high-humidity environments, applied thicker at all joints and supplemented with mechanical fasteners where thermal cycling is severe. For the most exposed duct runs, particularly those in uninsulated soffits facing the ocean, we may recommend transitioning from metal to insulated, corrosion-resistant flex duct with sealed vapor barriers. This isn’t standard practice inland, but it’s what we’ve learned works on the island after four decades. Call (844) 685-6342 to discuss your home’s exposure profile.
Condo duct systems in Palm Beach should be camera-inspected every two to three years, more frequently if the unit is closed up seasonally or if the building is within two blocks of the ocean. Shared ventilation systems in multi-unit buildings can backdraft humidity and contaminants from neighboring units when duct integrity fails. We offer the $89 Seasonal Tune-Up that includes a basic duct inspection, or a full camera evaluation for more thorough assessment. Call (844) 685-6342 to set a schedule that matches your building’s conditions.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Palm Beach since 1984.