Whole-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.
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AfterFast, Reliable Duct Sealing Across Coral Springs
Duct sealing in Coral Springs typically costs $1,200 – $2,800 for a whole-home system, with most jobs completed in a single day. We serve Coral Springs from our Miami scheduling office, and our crews know the WCI-built neighborhoods from Ramblewood to Eagle Trace by heart. If your AC runs constantly but rooms stay unevenly cooled, or your energy bill climbs every summer, leaking ducts are the likely culprit. Call (361) 326-5060 for a free estimate with a written price before any work starts.
Because nearly every single-family home in Coral Springs was built by WCI or similar master-plan builders between the mid-1980s and early 2000s, the duct systems share the same original flex-duct-and-fiberboard design – so duct sealing here is a repeating generational retrofit, not a case-by-case diagnosis. Construction dust and drywall debris left at handover, plus attic heat accelerating liner breakdown, mean many of these systems decayed years before any homeowner thought to look at them. We’ve been restoring these specific systems since 2004, and we know what fails first.
Why Hollis Air Duct Cleaning Is Coral Springs’s Preferred Duct Sealing Company
Our reputation in Coral Springs was built on showing up inside the window and pricing in writing – not on low-ball coupons that balloon at the door. Homeowners in neighborhoods like Coral Springs Country Club and Kensington tell us they chose Hollis because the technician who arrived was the same uniformed, background-checked person they were promised, not a subcontractor they’d never heard of.
We dispatch to Coral Springs from our Miami office, which means scheduling coordination that understands South Florida traffic patterns and weather delays. When hurricane season hits and your duct system takes on moisture, that local dispatch knowledge matters. Calls are answered by a live person 24 hours a day, 7 days a week – no voicemail loops, no callback queues.
What separates us from outfits that clean ducts as a side gig: our Duct Sealing team carries professional-grade equipment from Nikro and Abatement Technologies, and every repair is backed by our 365-Day Done Right Promise. If the seal fails within a year, we return and make it right at no charge, including a free second visit. That’s written on every job, not implied.
Duct Sealing Services in Coral Springs
Duct Sealing Services in Coral Springs address the specific failure pattern of 20 – 40 year old flex-duct systems: joints that have separated under thermal stress, trunk lines that pull attic air into the supply, and return plenums coated with original construction debris that prevents sealant from bonding. A typical whole-home duct sealing in Coral Springs runs $1,200 – $2,800 depending on system size and accessibility. We always inspect first – sealing over contaminated substrate is a waste of your money and ours.
Leak Detection and Pressure Testing
We pressurize your duct system and measure airflow loss at the air handler. In Coral Springs homes, we commonly find 25 – 35% leakage – conditioned air bleeding into the attic through gaps at the plenum and trunk connections. That number goes on your report before we touch a tool.
Mastic and Mesh Joint Sealing
We seal accessible joints with water-based mastic reinforced with fiberglass mesh, not foil tape that curls in attic heat. For Coral Springs’s concrete-block homes with barrel-tile roofs, attic temperatures regularly exceed 130°F, so we use products rated for that environment.
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.
Duct Insulation in Coral Springs
Duct Insulation in Coral Springs is often the missing half of a sealing job. Original flex duct in WCI-built communities was wrapped with R-4 or R-6 fiberglass insulation that has compressed, torn, or absorbed moisture over 20 – 40 years. Replacing or supplementing that insulation alongside sealing typically adds $800 – $1,500 to the project cost. Without it, your newly sealed ducts still lose conditioned air through the duct wall itself, and mastic applied over hot, degraded flex duct will crack within one summer.
Attic Wrap Replacement
We remove degraded original insulation and install new wrap rated for South Florida attic conditions. In Coral Springs, where AC runs nearly year-round, this step often drops supply air temperature by 3 – 5 degrees before it reaches the vent.
Vapor Barrier Repair
Original duct wrap vapor barriers fail at the seams, allowing condensation to saturate the fiberglass. We seal those seams with proper vapor-barrier tape so humidity from Coral Springs’s subtropical air stops migrating into the insulation.
Trusted Brands We Service in Coral Springs
We stock parts and materials from Honeywell, Aprilaire, and Abatement Technologies for Coral Springs jobs – no waiting on shipped components while your system stays open. Our Nikro negative-air machines and Rotobrush rotary systems are the same tools commercial crews use in hospitals and schools, and we explain what each does while we’re in your home. For filtration upgrades after sealing, we carry Honeywell and Aprilaire media cabinets that drop into existing return plenums without duct modification. Fast turnaround matters in Coral Springs, where every day of open ductwork is another day of attic dust and humidity pulling into your living space.
Common Duct Sealing Problems We See in Coral Springs Homes
- Sealing over original construction debris. Drywall dust from the 1980s – 90s build still coats fiberboard plenums in homes off Coral Springs Drive and Riverside Drive. Sealant won’t bond to that substrate, so we source-remove first with negative-air agitation.
- Attic heat destroying new seals. Original flex duct wrapped in degraded 1980s – 90s insulation bakes year-round in Coral Springs attics. Mastic and tape crack within one summer if duct insulation isn’t addressed alongside sealing.
- Musty smells misdiagnosed as dirty ducts. After every named storm, homeowners call about odors. Often the flex duct liner has collapsed or mold-colonized – no amount of sealing fixes that. We inspect with cameras before recommending any work.
- Return plenum gaps pulling attic air. The connection between your return grille and the air handler is the highest-pressure leak point in most Coral Springs systems. We find these with pressure testing, not guesswork.
Pricing for Duct Sealing in Coral Springs, FL
Whole-home duct sealing in Coral Springs typically runs $1,200 – $2,800. Duct insulation replacement or supplementation adds $800 – $1,500. What moves you within that range: system size (single-zone versus multi-zone), attic accessibility (truss spacing, duct height), and whether we need to clean and prep the substrate before sealing. We do not quote per-vent pricing – that’s the bait-and-switch model. One flat price per system, agreed in writing before work starts. Every estimate is free, and we show you camera footage of what we found so you understand why the price is what it is. Call (361) 326-5060 for your exact quote.
We Also Serve Cities Near Coral Springs
Our crews work throughout Broward County, including Coral Springs‘s neighboring communities: Margate to the west, Coconut Creek to the south, Pompano Beach to the east, and Plantation to the southeast. Same equipment, same written pricing, same 365-Day Done Right Promise applies in every city we serve.
Serving Coral Springs, FL - Our Local Coverage Area
We’re based in the Coral Springs 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 Coral Springs
Both. A 1994 Coral Springs home has original flex duct with 30 years of construction debris, thermal cycling, and possible liner degradation. We inspect with cameras first. If the liner is intact, we clean and seal. If the liner has failed, we recommend replacement before sealing – sealing over collapsed duct is temporary at best. Call (361) 326-5060 and we’ll show you exactly what your system looks like inside.
Wind-driven rain enters attic vents and soaks degraded duct insulation, while power outages leave damp systems without airflow to dry. The original flex duct liner in WCI-built homes was never designed for repeated wet-dry cycles. Once mold colonizes the liner, the smell returns with every humidity spike. Sealing alone won’t fix it – we need to inspect for liner failure and replace contaminated sections.
Yes. Typical leakage of 25 – 35% means your air handler works overtime to compensate. In Coral Springs, where AC runs nearly year-round, that inefficiency compounds monthly. Sealed and insulated ducts often reduce runtime by 15 – 25%, with savings that pay back the investment over 2 – 4 cooling seasons. We measure before-and-after static pressure so you see the difference in hard numbers.
No. Proper duct sealing starts with pressure testing to locate leaks, camera inspection to assess substrate condition, and source cleaning where debris prevents bonding. Then we apply mastic reinforced with mesh to joints and seams, and replace failed insulation. Foil tape alone fails in Coral Springs attic heat – we don’t use it as a primary seal.
Every 3 – 5 years, or after any named storm that may have introduced moisture. Coral Springs’s subtropical climate and hurricane exposure create conditions that accelerate duct degradation. Our 365-Day Done Right Promise covers the seal itself for one year, but proactive inspection catches new issues before they become musty-smell emergencies. Call (361) 326-5060 to schedule.
In the WCI-built communities off Coral Springs Drive, our tech opened a return plenum in a 1992 concrete-block home and found drywall dust from the original build still coating the fiberboard, with the flex duct liner flaking into the airstream. We ran camera inspection through the supply and return ducts under negative pressure, used agitation tools to break the construction debris loose, then sealed the leaking trunk joints with mastic and mesh before the system could pull attic air back in. The homeowner’s musty smell disappeared within a week, and the blower motor stopped short-cycling on the now-sealed return.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Coral Springs since 2004.