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 Atlanta Owner’s Guide
We stock and install Rotobrush-compatible duct sealing and repair parts across Atlanta, with most repairs running between $240 and $680 installed depending on your unit’s series and what actually failed. We carry the common wear components on our trucks, so a single visit usually gets your Rotobrush system back to holding a seal the same day we diagnose it. Most Atlanta owners discover they have a sealing problem the same way: the system still spins, still makes noise, but the suction at the duct wall drops off and debris starts blowing back into the house instead of staying in the collection bag.
You’ll feel it before you see it. The brush head loses that firm drag against the duct wall. The filter fills slower than it should. And if you’re running an older Rotobrush with foam or felt seals around the access plate, those seals harden in Atlanta’s humidity cycles and start letting air slip past. Dale Whitmore has pulled apart enough of these units across metro Atlanta to know which seals fail first and which ones are worth rebuilding versus replacing outright.
Which Rotobrush Models This Applies To
Rotobrush has built several generations of duct cleaning equipment, and the sealing components are not as universal as the online part listings suggest. The brush-drive shaft seals and collection-bag collar gaskets on the original Rotobrush aiR+ series differ in diameter from the newer Roto-Vision and Patriot line units. If you’re ordering blind, you’ll end up with a seal that’s close but not right, and it’ll leak from day one.
Here’s the compatibility detail most people miss: Rotobrush changed the access-plate gasket material around the time they moved to the HEPA-filtered collection housing. Units built before that switch used a flat foam gasket that compresses over time. Later units use a molded rubber lip seal that seats differently in the same opening. You can often identify which you have by the part number stamped on the inside face of the access plate. If the stamp is worn off, measure the gasket channel width. The older channel runs about 6mm; the newer one is closer to 9mm. That measurement alone tells us which seal family your unit needs.
On the OEM versus aftermarket question: for Rotobrush duct sealing parts, we lean OEM whenever it’s available. The aftermarket seals we’ve tested don’t always match the durometer of the original, which matters when the unit runs for hours in Atlanta’s summer heat. A seal that’s too soft collapses under vacuum; too hard and it won’t seat. OEM costs more, but it’s the difference between a repair that holds for years and one that leaks again by next season.
We’re an independent service provider in Atlanta, not a Rotobrush factory outlet. That just means we stock what actually fails in the field, not what a corporate parts catalog says should fail.
Styles & brands we work with
Signs Your Rotobrush Duct Sealing & Repair Is Failing
- Debris blowing back into the room instead of staying in the collection bag. The seal between the collection housing and the vacuum source has opened up, and negative pressure is dropping at the point where it matters most. You’ll see a fine dust settling on surfaces near the unit while it runs.
- The brush head loses its bite against the duct wall. The drive-shaft seal has worn enough to let air bypass the brush assembly, which weakens the contact pressure. The brush spins, but it’s polishing instead of agitating.
- A whistle or whoosh from the access plate area while the system runs. That’s air being pulled through a gap in the access gasket. It gets louder as the vacuum builds, then fades when the filter clogs and suction drops.
- The collection bag isn’t inflating to full shape. A collapsed or half-filled bag means the system can’t hold vacuum, and the most common cause on Rotobrush units is a seal gone hard. In Atlanta’s summer, seals that were marginal in April are fully failed by August.
- You’re seeing dust streaks on the collection housing at the seams. Fine particles are escaping through a seam or gasket failure and leaving a telltale line. It’s subtle, but it’s one of the first signs Dale’s crew looks for when a unit comes in weak.
Replacement Cost & What’s Included
For Atlanta Rotobrush owners, a typical duct sealing repair runs between $240 and $680 installed. The wide range reflects how many seals are involved and which series you own. A single access-plate gasket on a newer unit sits at the low end. Rebuilding the full seal stack, the brush-drive shaft seal, the access gasket, and the bag collar gasket on an older aiR+ unit lands closer to the top of that range.
Here’s what we include in those numbers, and we put it in writing before we turn a single screw:
- Diagnostic time to identify every failed seal, not just the one you noticed.
- Parts matched to your specific Rotobrush series, OEM where it matters.
- Labor to replace the full set, including cleaning the seal channels so the new gaskets seat correctly.
- Post-repair vacuum test so you can see the pressure hold before we leave.
- The 365-Day Done Right Promise in writing. If a seal we installed fails within a year, we come back and make it right at no charge.
No per-seal upselling. No price revision once the unit is apart. The written quote is the price, full stop.
See the difference
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After
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After
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AfterDIY or Call Us?
There are a few things any owner can safely check before calling. Look at the access plate: is the gasket cracked, flattened, or pulling away from the channel? Run your finger along the bag collar seal while the unit is off. If it’s stiff instead of springy, it’s done. These inspections take minutes and cost nothing.
Where DIY goes wrong is when the diagnosis is off and you replace one seal while two others are failing. The system still leaks, you’ve spent the money on a part that didn’t fix it, and now you’re chasing the problem instead of solving it. That’s how a $60 gasket becomes a $400 weekend. If the unit is under a year old or you’re not sure which seal family you have, call us at (470) 378-1006. We’ll identify the part correctly and quote a fixed price before any work starts.
FAQs
In Atlanta’s heat and humidity, expect the original seals on most Rotobrush units to last 3 to 5 years of regular use before they start losing resilience. The bag collar and access-plate gaskets go first because they flex every time the bag is changed and every service cycle heats and cools them.
No. Once a sealing gasket has hardened or compressed beyond its memory, there’s no way to restore it. Sealants and tape don’t hold up under negative pressure for more than a few jobs. Replacement is the only repair that actually fixes the leak, and it’s cheaper in the long run than patching it repeatedly.
Most Rotobrush duct sealing repairs in Atlanta run 60 to 90 minutes from diagnosis to vacuum test. If we need to bring a part from the shop, we’ll tell you before we start and schedule the follow-up around your route. We stock the most common seals on the truck for exactly that reason.
We keep the common Rotobrush seal sets in stock on our Atlanta service trucks, along with compatible parts for Lennox, Trane, and Carrier systems we service. If your unit needs a less common part, we order it and schedule your repair as soon as it lands.
Get Your Rotobrush Holding a Seal Again
If your Rotobrush duct cleaning system is losing suction, blowing debris, or whistling at the seams, call Kestrel Air Duct Atlanta at (470) 378-1006. We’ll diagnose the failure, quote a fixed price in writing, and back the repair with our 365-Day Done Right Promise. Clean ducts, plain talk, everything in writing.
Written by Dale Whitmore, Owner, Kestrel Air Duct Atlanta at Kestrel Air Duct Atlanta, serving Atlanta and nearby areas.