Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Duct Sealing Across Hallandale Beach
Duct sealing in Hallandale Beach typically runs $450 to $1,400 depending on how much of your system is accessible and leaking. In a city dominated by 1960s through 1980s condo towers, the job gets more complicated than in a single-family home, because duct chases are often shared between units and access to the actual ductwork usually sits behind drywall or above a dropped ceiling. We know Hallandale Beach’s buildings, we know what the boards require before work can start, and we give you a written price before anyone touches anything. Call (754) 354-3644 for a straight answer on your building and your unit.

Why Hollis Air Duct Fort Lauderdale Is Hallandale Beach’s Preferred Duct Sealing Company
Hollis Air Duct Cleaning has been doing this work since 2004 as part of the Garrison Partners family, and our crews handle Hallandale Beach jobs every week. We’re not learning your building’s quirks on the day we show up. We already know the access headaches in Three Islands, the older chase layouts in the condo corridors off Hallandale Beach Boulevard, and the board requirements that slow down or derail a lot of Duct Sealing work unless the contractor has their paperwork in order from day one.
Every technician who walks into a Hallandale Beach unit is background-checked and uniformed. The price is written down before work starts, and it does not move at the door. Roy Castellanos leads the team and holds our crews to The Garrison Code: arrive inside the window, price it in writing, do the job by the book, and leave the site clean. That matters in a condo building, where your neighbors see the crew in the hallway and the building manager sees the work order after.
Our 365-Day Done Right Promise covers every duct sealing job in writing for a full year. If a seal fails, we come back and fix it at no charge, including a free second visit. That’s a different standard than most crews working Hallandale Beach buildings, and it’s why property managers call us back when another unit has the same problem.
Styles & brands we work with




Duct Repair in Hallandale Beach
Duct Repair in Hallandale Beach usually means finding and patching leaks, reconnecting separated joints, and replacing crushed or corroded sections in systems that have been running for 30 to 50 years. In a 1970s condo tower, the supply duct above a dropped ceiling may have split at a seam years ago, silently dumping conditioned air into the space above your drywall instead of into your living room. In Hallandale Beach’s salt-laden air, metal duct components corrode faster than they do inland, and a small rust-through can turn into a 6-inch opening in a single season.
Expect to pay roughly $350 to $700 for a typical duct repair in a Hallandale Beach condo unit, before considering how much of the duct is actually reachable. A single-family home off Three Islands with an attic accessible returns cheaper, faster work. A high-rise with ducts above a dropped ceiling often costs more because we may need to create a temporary access opening, do the repair, then seal and refinish the opening to match.
Access and repair in older condo chases
Most 1960s and 1970s Hallandale Beach buildings run their ducts through narrow chases that were never designed for tool access. We carry Rotobrush camera inspection gear so we can see the leak before we cut anything. Once we find the separation or tear, we use mastic and foil tape to bring that section back to NADCA standards.
When a whole section needs replacement
Sometimes a duct section in a Hallandale Beach high-rise is too rusted to patch. In those cases we replace the affected run, not the entire system. The written price includes the work, the access restoration, and the cleanup, so you know the number before we start.
Air Duct Sealing in Hallandale Beach
Air Duct Sealing in Hallandale Beach means closing the gaps at joints, seams, and floor penetrations where conditioned air leaks out before it reaches your registers. In the city’s high-rise buildings, the biggest leaks are often at the floor penetrations where a duct riser passes from one unit’s stack to the next. When those penetrations are unsealed, the system pulls whatever is in the chase into your air: humidity, cooking odors, dust, and sometimes cigarette smoke from a neighboring unit.
Our crew recently sealed ducts in a fifth-floor unit at a Golden Isles condo where the air handler sits in a closet barely wider than the blower motor. We created a temporary access panel, then used a Rotobrush camera inspection to find a 6-inch tear in the supply duct just above the dropped ceiling. After patching and sealing with mastic and foil tape per NADCA standards, the unit’s humidity dropped from 68% to 52% and the neighbor’s cooking smells stopped coming through the register.
A full air duct sealing job in Hallandale Beach typically runs $650 to $1,400 depending on linear footage and how much access needs to be created. Sealant only work without major access is usually on the lower end. A multi-unit job or one with significant chase access can run higher, and we give you that number in writing before work begins.

Sealing the chase, not just the duct
In Hallandale Beach’s older high-rises, sealing the duct itself isn’t enough. The chase itself often has gaps at the floor and ceiling penetrations, allowing air to move between units. We seal those penetrations and the duct joints so the air going to your registers stays yours.
Air balancing in shared systems
When we seal supplies in a shared building, we also verify that the return side isn’t pulling air from somewhere it shouldn’t. An over-sealed supply with a restricted return can increase negative pressure in the common plenum, which is how dryer lint and bathroom exhaust end up in neighboring units. If you’re seeing lint migration, you may also need Hallandale Beach Dryer Vent Cleaning to remove buildup at the source. We test after sealing.
Trusted Brands We Service in Hallandale Beach
We work on all the major equipment found in Hallandale Beach buildings, and we stock the materials that matter for the work we do here. Our sealing work uses mastic and foil tape built for humid coastal environments. For filtration we carry Honeywell and Aprilaire products, and for access and inspection we rely on Rotobrush and Nikro negative-air equipment. If your building uses Guardsman filters we can source and install them directly. That means fewer return trips and less waiting on a supply house in Fort Lauderdale when your board wants the job finished inside a specific window. We explain what we’re recommending and why, in plain terms, before anything gets installed.
See the difference
Before
After
Before
After
Before
AfterCommon Duct Sealing Problems We See in Hallandale Beach Homes
- Shared stack backdraft between units. In older buildings, a newly sealed supply duct can increase negative pressure in the common return plenum. If the return ducts aren’t balanced, dryer lint and bathroom exhaust from other units get pulled into yours through the shared stack.
- Undersized chase access above dropped ceilings. Duct seams behind drywall or above dropped ceilings in 1970s towers are often impossible to reach without cutting temporary access holes. Some boards refuse to allow the openings, which means the leaks stay unsealed and the air keeps escaping into the chase.
- Condo board approval delays. We often can’t start duct sealing until the association reviews our certificate of insurance and access plan. In Hallandale Beach’s humid salt air, every week of delay is another week the metal is corroding and the leak is pulling humidity into the unit.
- Corrosion at coastal units. Salt air accelerates rust on duct components within a few blocks of the ocean. Units in the Golden Isles and Three Islands see faster deterioration of metal joints and seams, which is exactly where leaks start and spread.
Pricing for Duct Sealing in Hallandale Beach, FL
For a standard condo unit in Hallandale Beach, expect $450 to $900 for targeted duct sealing that doesn’t require major access work. A full unit with multiple access points, chase sealing, and air balancing runs $900 to $1,400. Single-family homes in the Golden Isles or Three Islands with attic access often land between $500 and $1,100. The variables are access, linear footage of duct, whether we need to create and refinish openings, and what the board requires in paperwork before we can start. We give you a written price before any work begins, and that number does not move at the door. Call (754) 354-3644 for a free estimate on your building and unit.
We Also Serve Cities Near Hallandale Beach
Our crews cover Hallandale Beach and the surrounding Broward County communities regularly. If you’re in Duct Sealing in Hallandale Beach or a neighboring area, we handle buildings in Fort Lauderdale, Pompano Beach, Plantation, and Sunrise as well. The same written pricing, the same 365-Day Done Right Promise, and the same background-checked crew, whether the job is a high-rise chase or a single-family attic.
Serving Hallandale Beach, FL - Our Local Coverage Area
We’re based in the Hallandale 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 About Duct Sealing in Hallandale Beach
Yes, in most Hallandale Beach high-rise buildings you need the association’s approval before we start, because the work often involves the building’s shared chase and sometimes requires creating temporary access openings. We provide a certificate of insurance and an access plan that boards can review, and we’ve done this enough in Hallandale Beach to know exactly what most associations ask for. Call (754) 354-3644 and we’ll help you get the paperwork moving.
Yes, sealing the floor and ceiling penetrations around the shared duct chase is usually what stops cooking smells from migrating between units. When those gaps are open, your unit’s pressure can pull air from the neighbor’s kitchen right into your registers. We identify those penetrations, seal them, and then verify the air flow after the work. Call (754) 354-3644 for an inspection of your specific building.
It can, and that’s exactly why we check the return air balance after sealing. If your supply ducts are sealed but the shared return remains restricted, negative pressure can pull dryer lint and bathroom exhaust from the stack into neighboring units. We test after sealing and make adjustments so the system stays balanced. Call (754) 354-3644 to have us evaluate your building’s setup.
We create a temporary access panel, which means cutting a controlled opening, doing the work, then refinishing the opening to match. There is no way to reach those ducts without an opening, but we do it carefully and we restore the surface when we’re done. The written price includes the access and the restoration. Call (754) 354-3644 and we’ll walk you through how we’d handle your specific unit.
Yes, and it’s often one of the best maintenance investments for a rental unit in Hallandale Beach. The salt air accelerates corrosion at the joints, and the humidity means a small leak becomes a mold risk quickly. Sealing the ducts keeps humidity down, keeps odors from neighboring units out, and cuts the chance of a tenant complaint that turns into a board issue. Call (754) 354-3644 for a written quote on your rental property.
We’re ready to look at your building, find the leaks, and give you a written price before any work starts. Call (754) 354-3644 for a free estimate on duct sealing in Hallandale Beach.
Written by Roy Castellanos, Owner at Hollis Air Duct Fort Lauderdale, serving Hallandale Beach since 2004.