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.
Rotobrush Air Duct Repair in Jacksonville: What to Know First
Rotobrush air duct repair in Jacksonville typically runs between $185 and $640 depending on what’s failed, and most jobs are completed in a single visit once parts are in hand. We’re an independent Rotobrush service provider, not a manufacturer warranty center, which means we recommend the most honest fix for your system rather than the most profitable one for us. If you own Rotobrush equipment and your ducts are leaking, rattling, or barely moving air, this page tells you exactly what we see in Jacksonville homes, what it costs to fix, and how to reach us at (904) 329-7854.
We wrote this for homeowners who own or inherited Rotobrush duct systems and want straight answers before anyone steps through the door. No brand jargon, no scare tactics – just what fails, why it fails here, and what a repair actually involves.
How Rotobrush Products Fail – and How We Fix Them
Rotobrush built its name on the AiR+ and the RotoStorm series, both of which show up regularly in Jacksonville homes built or renovated between roughly 2005 and 2018. They’re solid systems, but they have failure patterns we can now spot from across a room. Here are the five we fix most often:
- Plenum separation at the AiR+ connection collar. The AiR+ uses a snap-lock collar where the main trunk meets the supply plenum. In Jacksonville’s humidity, the sheet metal sweats, the snap-lock tabs lose tension over thousands of thermal cycles, and the collar pulls loose. You’ll hear a low flapping sound when the blower first kicks on. We open the plenum, reset the collar with a proper mechanical fastener rather than duct tape, and seal it with a mastic rated for high-humidity attics.
- RotoStorm flex-duct compression at the takeoff. RotoStorm systems run fairly aggressive static pressure. If the flex duct at a branch takeoff wasn’t strapped correctly at install, it compresses over time and starves that room. The symptom is one bedroom that never cools while the rest of the house is fine. We re-stretch the flex, re-strap it at the proper radius, and test airflow before and after with an anemometer so you can see the difference in numbers.
- Blown section joints on oval duct runs. Older Rotobrush oval duct sections use pinch-seam joints that don’t love Jacksonville’s hot, wet summers. The seam opens, conditioned air escapes into the attic, and your electric bill climbs while the far end of the house struggles. We either re-crimp the seam if the metal is sound or cut out and replace the failed section with matching-gauge duct.
- Sagging trunk lines on RotoStorm systems with improper hanger spacing. RotoStorm trunks are heavier than typical round duct. When installers spaced hangers too far apart, the trunk sags between supports, creating low spots that collect condensation. In a Jacksonville summer that condensation drips onto attic insulation and drywall below. We re-hang with proper spacing, add support strapping, and check the slope so water drains where it should.
- Damper actuator failure on zoned AiR+ systems. Zoned AiR+ installs use motorized dampers that eventually seize. When one seizes partly open, you get weak airflow to one zone no matter what the thermostat says. We test the actuator, replace it with an OEM or a proven aftermarket unit depending on age and budget, and verify the zone controller still talks to it properly.
Styles & brands we work with
Our Rotobrush Air Duct Repair Process
- 1
You call, we listen. Tell us what you’re seeing and hearing. Marcus or one of our senior techs will ask a few specific questions that tell us a lot about what’s likely wrong before we ever arrive.
- 2
Arrival and visual inspection. We inspect the full duct path – plenum, trunk, branches, takeoffs, dampers, and hangers. We take photos so you can see exactly what we found, not just take our word for it.
- 3
Written diagnosis and price. Before any work starts, you get a written price for the specific repair. No open-ended estimates, no “we’ll see once we get in there.” The number we hand you is the number you pay.
- 4
Parts decision, made with you. If the repair needs parts, we tell you what OEM costs versus a quality aftermarket equivalent and let you decide. We never install a part you didn’t approve.
- 5
The repair. We fix the failure properly, not cosmetically. That means mechanical fasteners, proper sealing materials, and the right gauge of metal or flex for the job.
- 6
Test and guarantee. We test airflow and system function before we leave. Every Rotobrush repair carries our written guarantee for 365 days – if the covered repair fails, we come back and make it right at no charge.
See the difference
Before
After
Before
After
Before
AfterWhat Rotobrush Air Duct Repair Costs in Jacksonville
Here’s what Jacksonville homeowners typically pay for the Rotobrush repairs we’ve described. These are whole-system prices, not per-vent teasers, and they include labor, materials, and the written guarantee.
- Plenum collar re-seal (AiR+): $185 – $285
- Branch takeoff re-strap and flex re-stretch: $140 – $260 per run
- Oval duct section replacement (blown seam): $320 – $640 depending on access and run length
- Trunk re-hang with proper strapping: $400 – $750 for a typical attic install
- Zone damper actuator replacement: $210 – $390 per damper
What moves the price: attic access (some Jacksonville attics are tight and hot), whether the failed section is near the plenum or buried at the far end, and whether we’re matching OEM parts or using a quality aftermarket alternative. Every estimate is free. Call (904) 329-7854 and we’ll give you a written number before any work begins.
Why Jacksonville Homeowners Call Linden Air Duct Jacksonville for Rotobrush Work
We’ve been handling Rotobrush equipment in Jacksonville long enough to know its quirks, and we’ve seen enough of this specific equipment to know what’s worth fixing and what isn’t. We won’t sell you a repair your system doesn’t need. If the ducts are fine, Marcus will tell you they’re fine – he built his reputation in Jacksonville on that exact honesty, including with families out in Mandarin who want a straight answer before anyone quotes a number.
Every technician who arrives at your door is background-checked, identity-verified, and introduced to you by name and photo before the visit. At the door, they show a photo ID badge. Every single time. That’s the Threshold Standard, and it’s not optional for us. The price is in writing before work starts, and every repair is covered by our 365-Day Done Right Promise. If a covered repair doesn’t hold, we return at no charge. And while Rotobrush is our focus here, we also service duct systems built around Lennox, Trane, and Carrier equipment, so if your system has mixed components we can handle the whole picture.
FAQs
Rotobrush’s manufacturer warranty typically covers the original installation workmanship and the equipment itself for a defined period after install, but it often does not cover the duct system after years of thermal cycling and Jacksonville humidity. As an independent Rotobrush service provider, we don’t process manufacturer warranty claims, but we can tell you honestly whether what you’re seeing is a warranty item worth pursuing or a normal wear repair we can handle same week. Call (904) 329-7854 and describe what you’re seeing – we’ll give you a straight read.
Most single-point repairs – a plenum re-seal, a branch takeoff fix, a damper actuator swap – are done in two to four hours. Larger jobs like re-hanging a full trunk or replacing multiple oval sections can take a full day. We’ll tell you before we start, and the written price doesn’t change if it takes longer than expected.
We use OEM Rotobrush parts when they’re the right call for the durability you need, and we’ll offer a proven aftermarket alternative when the OEM part is discontinued or priced far beyond its value. You approve the parts before we install them. Either way, the repair carries our written 365-day guarantee.
If the duct metal itself is sound and the failures are at connections, dampers, or hangers, repair usually makes far more sense than replacement. If we find widespread seam separation, rust-through from years of condensation, or duct sections crushed beyond restoration, we’ll tell you honestly and give you numbers for both paths. We don’t push replacement when repair will serve you well – Marcus and the crew are known for saying so plainly.
We test before and after with an anemometer and show you the airflow difference in numbers, not just “feels better.” You also get photos of the finished repair. And if the covered repair fails within 365 days, we come back at no charge. That’s in writing on every Rotobrush job we do.
Tell me what you’re seeing and I’ll tell you if it’s worth fixing. Call Linden Air Duct Jacksonville at (904) 329-7854 for a free estimate on your Rotobrush air duct repair. A live person answers, the price is in writing before work starts, and the repair is guaranteed for 365 days.
Written by Marcus Veale, Owner, Linden Air Duct Jacksonville at Linden Air Duct Jacksonville, serving Jacksonville and nearby areas.