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 Sunny Isles Beach
Duct sealing in Sunny Isles Beach typically costs $450 – $1,400 depending on how many leaks we find, how much access we have to your ductwork, and whether it’s a single unit or a multi-unit coordination job. In most condominiums here, the work takes one to two days because access to mechanical rooms and common chases has to be coordinated with building management. We’re familiar with how Sunny Isles Beach buildings operate, and we schedule around HOA rules from the first call. If you’re noticing weak airflow in a bedroom, dust accumulating faster than it should, or a musty smell that won’t leave, call (850) 660-3272 and we’ll give you a written price before any work begins.
Why Hollis Air Duct Miami Is Sunny Isles Beach’s Preferred Duct Sealing Company
Sunny Isles Beach condo owners keep calling us back because we show up with the right paperwork before the building asks for it. Most HOAs here require a certificate of insurance naming the building as additionally insured, and many want HEPA-filtered negative air machines running during any duct work. We carry both, every day, on every truck. Our Duct Sealing crews understand the operational reality of high-rise work: you book a service elevator, you keep hoses out of the hallway, and you finish inside the building’s approved hours.
Roy Castellanos runs the day-to-day for Hollis Air Duct Miami. He’s the person who makes sure a tech walks into your unit in uniform, with photo ID, and can explain what he’s about to do in plain English. Every job gets a written price before work starts, and every sealing job is backed by the 365-Day Done Right Promise. If a sealed seam fails within a year, we come back and fix it at no charge. That’s not a verbal promise. It’s on paper.
We also know the buildings. We’ve worked in towers along Collins Avenue, in the newer construction off Sunny Isles Boulevard, and in mid-rises near the Intracoastal. That building knowledge matters when the mechanical room is two floors below the unit and the chase runs through a neighbor’s wall. You don’t want a crew learning your building’s layout on the job.
Styles & brands we work with
Air Duct Sealing in Sunny Isles Beach
Air Duct Sealing in Sunny Isles Beach is the process of locating and closing air leaks in the metal ductwork that carries conditioned air from your building’s central HVAC system into your unit. In a high-rise, those ducts often run through a shared chase, and the joints, seams, and connections loosen over time. When they do, you pay to cool air that leaks into a wall cavity instead of your living room. In Sunny Isles Beach, the problem compounds because salt-laden ocean air accelerates corrosion at those seams, especially in buildings with direct ocean exposure.
Most sealing jobs here start with a camera inspection to map the leaks. Then we apply water-based mastic and foil-backed tape to close them. The goal is to restore the duct system’s static pressure so air reaches every register at the volume it should. A homeowner in Sunny Isles Beach should consider duct sealing when rooms feel unevenly cooled, when dust appears on vents shortly after cleaning, or when the AC runs longer than it used to. Typical whole-system sealing in a two-bedroom condo runs $500 – $1,200, depending on access and how many seams need work.
Condominium Access Coordination
We handle the scheduling with your building’s management office directly. You shouldn’t have to be the middleman between us and your HOA. We submit the certificate of insurance, confirm the approved work hours (many buildings here limit work to weekdays between 9am and 4pm), and reserve the freight elevator if needed. This is normal for us. If your building requires a specific insurance amount or additional insured wording, we produce it before the job date, not on the morning of.
HEPA-Filtered Negative Air During Sealing
Most Sunny Isles Beach condominium associations require HEPA-filtered negative air machines during any invasive duct work. We run Nikro negative-air units by default on sealing jobs in high-rises. The machine pulls air from your unit through a HEPA filter before it discharges anywhere, which keeps disturbed dust out of hallways and neighboring units. This is also what allows us to work while other residents are home without creating a dust problem in common areas.
Duct Sealing Services in Sunny Isles Beach
Duct Sealing Services in Sunny Isles Beach include sealing supply trunk lines, branch connections, return air pathways, and sometimes plenum boxes where they meet the air handler. The exact scope depends on what our camera inspection finds. Some leaks in Sunny Isles Beach towers are pinholes at sheet metal seams caused by years of salt exposure. Others are loose connections where a flex duct meets a rigid collar. Some are both. We seal what we find, and we show you photos before and after so you can see exactly where the air was escaping.
We sealed a 12th-floor unit at the Trump Palace on Collins Avenue where salt-air corrosion had opened pinhole leaks at the sheet metal seams. Our tech used a Rotobrush agitation tool to clean the seam edges and a camera inspection to map each leak. He then applied water-based mastic and foil tape to restore negative pressure in the supply line. The result: the unit’s blower motor runtime dropped by 18%. That’s the difference between sealing the visible leak and sealing every leak.
Costs for duct sealing services in Sunny Isles Beach run $450 for a small isolated leak to $1,400 for a full supply and return sealing job in a two-bedroom unit. The price is written down before we touch anything, and it does not move at the door.
Supply Trunk and Branch Sealing
The supply trunk is the main metal duct that carries conditioned air away from the building’s air handler. Branch lines split off from it to feed individual rooms. In Sunny Isles Beach towers, these trunks often run through a shared chase, which means we sometimes need access to a mechanical room on your floor or the floor below. We coordinate that with building management and keep you informed of the access schedule in writing.
Return Air Pathway Restoration
Return air leaks pull unconditioned air from wall cavities, elevator shafts, and mechanical rooms back into the system. In an oceanfront high-rise, that air carries salt and humidity. Sealing the return path matters as much as the supply side, because a leaky return will keep pulling moist, salty air into the duct system even after the supply side is sealed.
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 Sunny Isles Beach
We use professional-grade equipment from Rotobrush, Nikro, and Guardsman on every Sunny Isles Beach duct sealing job. The Rotobrush system allows us to agitate and clean seam edges before applying mastic so the sealant bonds to bare metal instead of surface dust. Nikro negative-air machines keep the workspace contained, which your HOA will ask about. Guardsman filtration products support indoor air quality during and after sealing work. Because we stock our own supplies, we don’t lose a day waiting on parts. If we find a corroded section that needs replacement rather than sealing, we can usually handle it on the same visit.
See the difference
Before
After
Before
After
Before
AfterCommon Duct Sealing Problems We See in Sunny Isles Beach Homes
- Salt corrosion at sheet metal seams. The persistent ocean air here corrodes duct walls and seam edges faster than inland locations. Pinhole leaks form where the metal has thinned, and mastic alone won’t hold unless the area is cleaned first.
- Shared duct chases accessible only through common areas. In high-rise towers, the duct run between floors often passes through a mechanical chase that belongs to the building, not the unit. Sealing the entire run requires access coordination with building management, and sometimes a neighboring unit’s chase.
- Condo scheduling restrictions that shorten effective work time. Many buildings restrict work to weekdays between 9am and 4pm, which compresses a sealing job that needs proper cure time. We plan for this and won’t rush mastic application to meet a deadline.
- Mastic that never bonded because the duct surface wasn’t clean. We see this often in Sunny Isles Beach: a previous contractor applied sealant over dust and surface oxidation, and it peeled within months. We use agitation tools and cleaning steps before sealing so the mastic bonds to bare metal.
Pricing for Duct Sealing in Sunny Isles Beach, FL
Duct sealing in Sunny Isles Beach runs $450 – $1,400 for a typical two-bedroom condominium unit. A single isolated leak near the air handler usually falls on the lower end of that range. A full supply trunk and return pathway sealing job, with access coordination through your building, runs $900 – $1,400. Multi-unit sealing work, where a building asks us to seal ducts across several floors, is priced by the scope of the run and the access requirements, usually starting around $2,500 for three or more adjacent units. You’ll receive a written estimate before any work starts, and that price holds. Call (850) 660-3272 for an exact quote on your unit, and we’ll give you a number that includes the HOA coordination time built in.
We Also Serve Cities Near Sunny Isles Beach
While this page is written for Sunny Isles Beach residents, our crews also handle duct sealing in Miami, Miami Beach, Miami Gardens, and Doral. The condominium experience we gain in Sunny Isles Beach applies directly to those markets, since high-rise duct access and HOA coordination work the same way. If your building is just across the bridge, call the same number and we’ll schedule the same way.
Serving Sunny Isles Beach, FL - Our Local Coverage Area
We’re based in the Sunny Isles 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 Sunny Isles Beach
Yes, it often does. In a high-rise tower, the supply trunk and return pathway usually run through a mechanical chase that sits between floors or behind common walls. To seal the entire run we need access to that chase, which means coordinating with building management and sometimes with the HOA’s approved access rules. We handle that coordination for you, including submitting the certificate of insurance with the building named as additionally insured. Call (850) 660-3272 and we’ll tell you what your specific building is likely to require after we identify the building manager and review the HOA rules.
Yes. Salt-laden air enters the building through elevator shafts, stairwell pressurization, parking garage vents, and the outside air intake for the HVAC system itself. You don’t need open windows for salt air to reach your ductwork. Over years, that salt accelerates corrosion at sheet metal seams and weakens the metal enough to create pinhole leaks. We see this in Sunny Isles Beach buildings of every age, though older mid-rises with original ductwork tend to show it sooner. If you’re seeing white or green oxidation near vent connections, the salt damage has already begun.
Duct sealing can reduce it, because it stops the system from pulling humid, salty air out of wall cavities and mechanical chases through return leaks. That outside air is often where the musty smell originates. But sealing alone won’t remove mold or mildew that has already grown inside the ducts. If our camera inspection finds microbial growth, we’ll tell you before we seal anything, and we’ll recommend the right cleaning step first. Sealing over active growth traps the problem. We won’t do that.
In most Sunny Isles Beach buildings, yes. The degree of approval varies. Some HOAs only require a certificate of insurance and a scheduled work window. Others want a formal request submitted two weeks in advance, and a few require the board’s property manager to be present when we access common mechanical rooms. We don’t guess at these rules. We call the management office before the job, ask for the current requirements in writing, and forward them to you before we ask you to sign anything. You’ll know exactly what your building requires before we book the date.
We use negative-air machines with HEPA filtration to contain dust and keep it out of hallways and adjacent units. We also work only within the building’s approved hours, which in Sunny Isles Beach often means weekdays between 9am and 4pm. The work itself is not loud. Sealing involves hand-applied mastic and foil tape after a camera inspection, not hammering or demolition. The noisiest part of the job is usually the negative-air machine, which runs at a low hum and sits inside your unit, not in the common areas. If your building has freight elevator access, we reserve it in advance so we’re not moving equipment through residential lobbies.
If you have more questions about duct sealing in Sunny Isles Beach, call (850) 660-3272. You’ll get a live person, not a voicemail loop, and we’ll give you honest answers about your building, your ducts, and what it will cost.
Written by Roy Castellanos, Owner at Hollis Air Duct Miami, serving Sunny Isles Beach with written pricing and the 365-Day Done Right Promise on every sealing job.