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 Duct Sealing & Repair: The Orlando Owner’s Guide
If your Rotobrush duct sealing system has failed or is showing wear, we stock the replacement parts and repair kits for most Rotobrush models, and we install them in Orlando homes every week. An installed duct sealing repair typically runs $340 – $890 depending on the extent of the failure and your model, and we carry the common failure points on our trucks before we ever ring your doorbell.

Most Orlando homeowners discover the problem the hard way: a section of ductwork loses its seal, and suddenly one bathroom barely moves air while the kitchen vent whistles. Or they’re up in the attic and spot cracked sealant around a joint that used to be tight. Duct sealing isn’t a forever fix in Florida’s attic heat. The temperature swings up there age sealant faster than almost any other part of the system, which is why we see more Rotobrush repair calls from June through September than any other time of year.
Paul Adeyemi built Mortons Air Duct Orlando around one straightforward idea: tell the customer exactly what we found, exactly what we plan to do about it, and exactly what the invoice will say before a single piece of equipment comes off the truck. That matters most on repair work, where the full picture doesn’t always show itself until we’re inside the ductwork.
Key Takeaways
- We stock Rotobrush duct sealing and repair parts for most current and recent models, and we price the whole job before we start.
- Installed repairs in Orlando typically range from $340 to $890, depending on what failed and how much duct footage needs resealing.
- Florida attic heat dramatically shortens the life of duct sealant, so we use heat-rated materials specific to this climate.
- We are an independent Orlando service provider, not affiliated with Rotobrush, but we work with their equipment daily.
Which Rotobrush Models This Applies To
Most of our Orlando repair calls involve the Rotobrush aiR+ series and the older Rotobrush R5000/R2000 duct cleaning systems, though the sealing components carry over across several model generations. If you’re unsure which Rotobrush model you have, look for the serial plate on the main housing, usually near the power connection. The plate lists the model number and build date, and that’s the detail we need to confirm compatibility before ordering anything.
Here’s the compatibility gotcha most Orlando owners don’t realize: Rotobrush sealing accessories and replacement couplings are not universal across the product line. The aiR+ uses a different coupling diameter than the older R-series equipment, and some sealing brush attachments only fit specific model years. If you order a generic “Rotobrush replacement part” online without checking the serial plate, there’s a strong chance it arrives and doesn’t seat properly. We’ve fixed that mistake for more than a few customers who tried the DIY route first.
For OEM versus aftermarket, our honest take is that Rotobrush OEM parts are worth the extra cost on anything that spins, seals, or draws load. On static rubber seals and brush rings, good aftermarket equivalents from manufacturers like Guardsman perform fine and often save you 15 to 20 percent. We carry both on the truck and will tell you which one makes sense for your specific model and budget. We also stock sealing parts for Lennox, Trane, and Carrier systems, since Orlando homes often have a mix of equipment.
Styles & brands we work with




Signs Your Rotobrush Duct Sealing & Repair Is Failing
- Visible cracking or peeling around duct joints. In a Florida attic, daytime temperatures above 130°F will eventually cause even quality sealant to shrink and split. If you can see daylight or gaps at a seam, the seal has failed and conditioned air is leaking into the attic instead of reaching the room.
- One room is noticeably warmer or cooler than the rest. When a duct run loses its seal, the pressure drop starves the farthest register first. In two-story Orlando homes, this often shows up as a hot upstairs bedroom that the AC simply can’t keep comfortable.
- A whistling or hissing sound from a single vent. That sound is air escaping under pressure through a small gap. A properly sealed duct system should be nearly silent at the register.
- Dust collecting quickly around a specific vent or room. Leaky ducts pull attic air in through the gaps as well as pushing conditioned air out. That attic air carries fine dust and sometimes fiberglass particles that settle on furniture.
- Your energy bill creeping up during cooling season. Orlando homeowners notice this on the August bill more than anywhere else. A duct system losing 20 percent of its air into the attic means the AC runs longer to hit the same thermostat setting.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
In Orlando, a Rotobrush duct sealing repair with parts and labor typically runs:
- Minor reseal of 1 – 2 joints: $180 – $340
- Midsize repair, 3 – 6 joints or one full duct run: $340 – $580
- Extensive reseal, multiple runs or full-system sealing: $580 – $890
The range comes down to three things: how much duct footage needs work, whether we need to replace any rigid elbows or connectors, and how accessible the affected area is. Attic access in older Orlando neighborhoods like College Park is often tight, which adds careful setup time.

Every quote includes the parts, the labor, shoe covers and drop cloths, a written price before any work starts, and our 365-Day Done Right Promise on the repair itself. If the sealing fails within a year, we come back and make it right, full stop. You’ll also get a photo of the finished work before we leave, so you can see exactly what was done even if you never set foot in the attic.
DIY or Call Us?
There is a narrow slice of safe DIY here, and we’ll be honest about it. If you can safely access the duct run and you just want to identify which joints are leaking, a visual inspection with a flashlight is reasonable, and a smoke pencil can confirm air movement. What is not safe is working on duct sealing in a Florida attic during the warm months without proper ventilation, and we strongly recommend against any duct sealing work that requires working around gas lines, electrical runs, or air handler connections. Those call for a trained professional with the right tools. One wrong move around a gas appliance flue can create a carbon monoxide risk that no amount of saved labor cost is worth.
Most Orlando homeowners call us at (321) 204-8194 once they’ve confirmed the seal is failing. We’ll quote the repair over the phone using the information from your serial plate and any photos you can send, and the written price you get before we start is the price you pay.
FAQs
In an Orlando attic, expect quality duct sealant to last about 7 to 10 years before it needs attention. The extreme heat and humidity cycles in Florida attics age sealing materials faster than in cooler climates, which is why our repair work uses heat-rated compounds formulated for exactly this environment. Call (321) 204-8194 if you’re seeing visible cracking or feeling hot spots in specific rooms.
Yes, in many cases. If the failure is isolated to one or two joints and the surrounding material is still bonded well, we can clean and patch the area properly. The exception is when the sealant has degraded across a full run, at which point patching creates a patchwork that will fail again soon, and a full reseal of that section is the honest recommendation. Estimates are free, and we’ll tell you which route makes sense for your system.
Most Rotobrush duct sealing repairs in Orlando take between two and four hours, depending on attic access and how much duct footage needs work. We schedule the job around your household, which means we’re careful about nap hours, and our crew wears shoe covers and uses drop cloths from the moment they walk in.
We stock the most common Rotobrush sealing repair parts and couplings on our trucks, so most Orlando jobs can be completed same-day or next-day once diagnosed. For less common model-specific components, we order directly through our supply partners and typically have the part within a few business days. Call (321) 204-8194 with your model number and we’ll tell you exactly what’s available before anyone schedules a visit.
If your Rotobrush duct sealing is failing and you want a straight answer on cost and repair options, call us at (321) 204-8194. A live person answers, and we’ll walk you through what we need to know, what you can expect, and what the price will be before any work starts.
Written by Paul Adeyemi, Owner, Mortons Air Duct Orlando at Mortons Air Duct Orlando, serving Orlando and nearby areas.