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 Air Duct Repair Across Coral Gables
Air duct repair in Coral Gables typically runs $280 – $780 for most jobs, and it’s work that shouldn’t wait once you know a duct has failed. A collapsed flex run, a disconnected joint, or a torn insulation jacket means the air you’re paying to cool is escaping into a 130°F attic instead of reaching your bedrooms. We respond to Coral Gables homes quickly because our scheduling is coordinated right from the Miami office, with crews serving the Gables locally every day. Call (980) 447-2498 and you’ll get a live person, a straight answer, and a written price before we ever send a technician to your door.
We know Coral Gables houses in a way a general HVAC company from out of town doesn’t. We know that streets off Coral Way hold 1920s Mediterranean Revival homes with ductwork squeezed into attics never built for it. We know the salt air off Biscayne Bay works on metal duct joints year-round. We know the banyan and live oak canopy drops more organic debris into return grilles than most Florida cities see. That’s the context for every repair we do here, and it’s why our approach starts with a camera inspection before anyone reaches for a tool.
Key Takeaways
- Most air duct repairs in Coral Gables run $280 – $780, with whole-home duct replacement higher depending on square footage and historic-district constraints.
- Repairs on 1920s – 1930s Mediterranean Revival homes often require attic-only routing to avoid exterior penetrations that trigger Board of Architects review.
- We provide a written price before any work begins and a written guarantee on every repair, with a free second visit if a covered repair fails.
- Your technician is background-checked, identity-verified, and arrives with a photo ID badge shown at the door.
Why Linden Air Duct Cleaning Is Coral Gables’s Preferred Air Duct Repair Company
We’ve worked the older sections of Coral Gables long enough to know what’s behind the plaster and above the attic access hatch. When a camera probe goes into a duct run near Granada or the Section streets, we’re not guessing at what we’ll find. We expect to see retrofitted flex from the 1970s and 80s, sagging between trusses, sometimes collapsed entirely. We expect to find joints that were never sealed properly when central air was first added to homes designed for cross-breezes and casement windows. That expectation is what lets us quote honestly. The written price you get covers what we find, not a vague promise that expands into a surprise invoice at the end.
Coral Gables homeowners call us because the trust problem in the air duct trade is real, and we address it directly. The Threshold Standard means every technician who enters your home has been background-checked and identity-verified. You get the tech’s name and photo before the visit. They show a photo ID badge at the door. They arrive in a clean, marked uniform. That’s not a perk; it’s the baseline. And because Coral Gables has more than its share of people home alone, parents with young kids, and older residents who want to know exactly who’s coming through the front door, that baseline matters more here than most places.
Our Coral Gables customers also know the 365-Day Done Right Promise is in writing on every job. If the repair doesn’t hold, we come back at no charge. That’s a specific commitment with a specific number attached, not a warm feeling. You’ll see it on the paperwork before you sign anything.
HVAC Duct Installation in Coral Gables
HVAC Duct Installation in Coral Gables is a different animal than new-construction ductwork anywhere else in South Florida. Most of the city’s housing stock predates central air conditioning by decades, which means installation work here almost always means working within existing chases, attic spaces, and plaster walls, not open framing. On a 1930s coral-rock home, the exterior walls are off-limits for new penetrations without going through the Board of Architects. So installation becomes a problem of routing: finding the path from air handler to register that stays entirely inside the conditioned envelope or the attic, uses rigid duct where possible, and seals every joint against South Florida humidity. A typical HVAC duct installation in Coral Gables runs $1,200 – $3,800 depending on the number of runs, the accessibility of the attic, and whether we’re replacing failed flex with rigid galvanized duct. The price is set in writing before any work starts, and we don’t deviate from it.
Rigid vs. Flex in Historic Attics
In a 1920s Coral Gables attic where temperatures sit above 130°F for much of the summer, flexible duct fails faster than it does anywhere else in the state. The plastic liner breaks down, the wire coil sags, and airflow chokes. When we install new ductwork in these homes, we recommend rigid galvanized duct wherever the attic geometry allows it. It holds its shape, it can be cleaned properly, and it doesn’t become a breeding ground for biofilm the way collapsed flex does.
Sealing the Plenum at the Air Handler
On many Coral Gables installation jobs, the original return plenum was never sealed correctly. We find gaps where the plenum meets the air handler cabinet pulling 130°F attic air directly into the system. That’s not a cleaning problem; it’s an installation defect. We rebuild and seal the plenum, then rebalance supply and return air so the system moves the volume it was designed to move. A properly sealed and balanced system is the difference between a duct job that lasts a decade and one that’s failing again in two years.
Air Duct Replacement in Coral Gables
Air Duct Replacement in Coral Gables is what happens when the ductwork is beyond repair: collapsed flex, rusted-through metal, insulation jackets shredded by rodents, or sections so contaminated with biofilm that cleaning can’t restore them. We don’t recommend replacement lightly, and we never recommend it without camera footage showing you exactly what we found. A full Air Duct Replacement for a typical 2,000 – 3,000 square foot Coral Gables home runs $2,800 – $6,500. The range is wide because historic homes vary enormously: some attics have easy access with standing room, others force us to work on our bellies in 24 inches of clearance. The written price you get reflects what we actually saw in the camera inspection, not a square-footage formula that changes once the crew arrives.
Working Inside Historic-District Constraints
On contributing structures in Coral Gables’s historic districts, exterior penetrations for new duct runs can trigger Board of Architects review. We avoid that entirely. Our replacement work routes through existing chases and attic spaces, which is slower and more careful than cutting new holes in a stucco wall, but it’s the right way to work on these houses. We’ve done full replacements on Section street homes without adding a single new exterior penetration, and the airflow improved dramatically because we weren’t fighting the geometry of a retrofit that was never engineered in the first place.
When Replacement Beats Repair
Repair makes sense when a section of duct has failed but the rest of the system is sound: a disconnected joint, a small tear, a section of crushed flex. Replacement is the right call when multiple sections have failed, when the original duct material is undersized for the system, or when biofilm has penetrated the interior liner to the point that cleaning would leave the surface compromised. We’ll show you the camera footage and give you both options with honest numbers. You decide, not us.
Trusted Brands We Service in Coral Gables
We work with professional-grade equipment from Rotobrush and Nikro, the same brands commercial duct cleaners use on hospitals and office buildings. For air-quality products after a repair, we stock filtration from Honeywell and mold-prevention products from Abatement Technologies. Because our Coral Gables customers call with urgent repair needs, we keep common components in local inventory: duct collars, mastic sealant, plenum fittings, and rigid duct sections in standard diameters. That means less waiting on a supply run and a faster second trip if a covered repair needs adjustment under the 365-Day Done Right Promise.
Common Air Duct Repair Problems We See in Coral Gables Homes
- Collapsed flex duct in 1920s low-clearance attics. A 1980s flex run that’s been baking in 130°F heat for 40 years will sag, tear, and eventually choke airflow to second-floor registers. You feel it as weak air in the bedrooms long before any filter change reveals a problem.
- Condensation inside ducts from salt-laden humidity. A small leak or insulation gap on a run carrying cold air lets Biscayne Bay humidity condense inside the system. Mold and biofilm establish themselves fast, and a fogging “sanitiser” won’t remove the source.
- Return grilles packed with tree debris. Coral Gables’s banyan, strangler fig, and live oak canopy is beautiful, and it fills return-air grilles and lint pathways faster than in any less-tree-covered Florida city. The blower motor works harder, runs hotter, and fails sooner.
- Undersized ductwork from mid-century retrofits. When central air was added to homes built for natural ventilation, the ducts were often sized too small for the air volume the new system pushed. Air handler strain and poor temperature balance between rooms are the legacy.
Pricing for Air Duct Repair in Coral Gables, FL
Let’s talk straight numbers. In Coral Gables, a simple duct joint repair or a small section of flex replacement runs $180 – $380. Repairing a collapsed run or sealing a plenum at the air handler runs $350 – $780. Full duct replacement in a historic home can run $2,800 – $6,500 depending on the attic access and the size of the system. What affects the price most is accessibility: a low-clearance attic takes longer and deserves an honest quote reflecting that. We give you a written price before any work begins, and that price doesn’t change unless you approve a change in scope first. Call (980) 447-2498 for a free estimate on your Coral Gables duct repair. You’ll talk to a live person, and you’ll get a real number.
We Also Serve Cities Near Coral Gables
Most of our Coral Gables crew also handles repairs in Air Duct Repair in Coral Gables and the surrounding South Florida communities. We serve homeowners in Miami, Key Biscayne, Miami Beach, and Hialeah with the same written pricing, the same camera-first inspection process, and the same Air Duct Repair expertise we bring to every Coral Gables job. If you’re a few miles outside the Gables, call and ask; we probably have a crew nearby.
Serving Coral Gables, FL - Our Local Coverage Area
We’re based in the Coral Gables 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 Air Duct Repair in Coral Gables
No. Fogging sprays a chemical mist into the duct system that kills surface mold on contact but does not remove the underlying biofilm, the dead mold spores, or the moisture source that allowed mold to grow in the first place. In Coral Gables’s humidity, mold comes back within weeks after fogging unless the duct is physically cleaned with negative-pressure extraction, the leak or insulation gap that caused the condensation is repaired, and the system is properly sealed. If a company quotes you a fogging service as a mold “fix,” get a second opinion. A genuine repair removes the source and the growth.
Yes. Repairs and replacements that stay entirely within the attic, interior chases, and existing wall cavities do not require Board of Architects review, because no exterior appearance is altered. We’ve done complete duct replacements in contributing Mediterranean Revival homes without cutting a single new exterior penetration. The work is slower and more deliberate, but it’s entirely possible, and we do it routinely. The key is a contractor who understands the historic-district constraints before starting, not one who discovers them halfway through.
Three reasons: Coral Gables’s dense tree canopy drops far more organic debris into return-air grilles than less tree-covered Florida cities; the near-year-round AC runtimes pull salt-laden, spore-heavy air from Biscayne Bay through the system continuously; and the retrofitted ductwork in 1920s – 1940s homes creates more places for debris to collect than properly engineered duct in newer construction. Most Coral Gables homes with original retrofitted ductwork benefit from annual inspection and cleaning, not the every-3-to-5-years schedule common elsewhere. If you have mature banyans or oaks over the house, check your return grilles monthly; they fill fast.
Duct cleaning restores systems with intact, connected, properly sealed ductwork. Repair is needed when there’s a physical failure: a collapsed section, a disconnected joint, a torn insulation jacket, a rusted-through plenum, or a leak that’s pulling attic air into the system. You can’t always tell from inside the house; weak airflow to second-floor rooms, unusual dust buildup after cleaning, or a musty smell that returns quickly are clues. We settle it with a camera inspection before quoting either service. The footage tells us whether we’re cleaning or repairing, and we don’t clean a system with physical failures because it would waste your money.
MERV 8 to MERV 11 is the right range for most Coral Gables homes. Higher MERV ratings (13+) filter more particles but can restrict airflow, especially on older systems with retrofitted ductwork that’s already undersized for the air volume the system pushes. In South Florida humidity, an overly restrictive filter can force air through leaks in the ductwork rather than through the filter itself, making things worse. We recommend MERV 10 or 11 from Honeywell or another quality brand for most repaired systems, paired with annual duct inspection. Call (980) 447-2498 and we’ll tell you what makes sense for your specific system after an inspection.
Call Linden Air Duct Cleaning for Air Duct Repair in Coral Gables
When a duct fails, fixing it right matters more than fixing it fast. But with our crews serving Coral Gables daily and parts stocked locally, you don’t have to choose. We’ll send a background-checked, identity-verified technician whose name and photo arrive before the visit. They’ll show a photo ID at the door. You’ll get a camera inspection, an honest explanation of what’s wrong, and a written price before any work starts. Every repair carries a written guarantee and the 365-Day Done Right Promise. If a covered repair fails, we come back at no charge.
Call (980) 447-2498 to schedule your free estimate. A live person answers, 24/7, and will get you on the schedule for a time that works around your life in Coral Gables.
Written by Marcus Veale, Owner at Linden Air Duct Cleaning, serving Coral Gables since 2004.