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 Coil Cleaning: The Atlanta Owner’s Guide
Replacing or servicing the coil cleaning components on a Rotobrush system in Atlanta typically runs $140 to $320 installed, depending on which part has failed and whether we’re rebuilding the existing assembly or swapping in a new OEM-spec component. We stock Rotobrush-compatible coil cleaning parts on our trucks and can usually get your system back to full cleaning power the same day we diagnose it. Most Atlanta owners call us after noticing the brush head isn’t spinning against the coil surfaces the way it used to, or after a cleaning job that left visible debris behind in the ductwork.
The coil cleaning mechanism on a Rotobrush is what does the actual scrubbing work inside your ducts. When it starts to fail, the symptom is usually subtle at first: a little more dust settling back onto registers a week after cleaning, a faint rattle from the brush head, or the brush bristles looking flattened and dull instead of standing up straight. Marcus Veale has pulled apart Rotobrush units in Atlanta homes where the coil assembly had been running on worn bushings for months, and the homeowner only noticed because their allergies never quite cleared up after a cleaning. The part is small, but it’s the difference between a duct cleaning that actually cleans and one that just moves air around.
Which Rotobrush Models This Applies To
Rotobrush has used a few different coil cleaning configurations over the years, and the part you need depends on which generation of machine you’re running. The current systems, including the Rotobrush aiR+ and the Rotobrush PRO series, use a forward-rotating brush head with interchangeable coil sections that thread onto a central drive shaft. Older Rotobrush models, particularly the original Roto-Vision and early 2000s units, used a slightly different coil pitch and a narrower brush diameter. A coil section that looks almost identical can be off by just a few millimeters in bore diameter, and forcing it onto the wrong shaft will strip the threads and ruin both parts.
Here’s the compatibility gotcha we see regularly in Atlanta: the brush coils for the aiR+ are not backwards-compatible with the Roto-Vision line, even though both systems carry the Rotobrush name. If you’re not sure which model you have, look at the serial plate on the main housing. If it starts with “RV,” you need the older-style coil. If it starts with “AR” or “PRO,” you’re on the current system. We also recommend measuring the coil’s inner diameter with a caliper before ordering anything online. For Rotobrush specifically, we’ve had better long-term results with OEM-spec coils than with generic aftermarket equivalents. The aftermarket coils tend to use softer nylon bristles that flatten out faster in Atlanta’s humidity, especially when they’re used in homes with older fiberglass-lined ductwork that grinds the bristles down quickly.
Styles & brands we work with
Signs Your Rotobrush Coil Cleaning Is Failing
- The brush head wobbles or vibrates during operation. This usually means the coil bushings are worn or the drive shaft has developed play. Left alone, the wobble will egg out the bearing seats and turn a $40 part into a $200 repair.
- Bristles look flattened, melted, or unevenly worn. Heat and friction take a toll, and in Atlanta’s summer attics, stored equipment gets hot enough to deform cheap bristles. If the bristles don’t spring back when you run your thumb across them, the coil isn’t scrubbing anymore.
- Debris stays behind after a cleaning pass. If you’re seeing dust streaks or lint lines in the duct after the brush has gone through, the coil isn’t making contact with the duct walls. This is the most common complaint we hear from Atlanta homeowners who tried to stretch a worn coil for one more season.
- The coil sections don’t thread together cleanly. Cross-threaded or galled threads are a sign the coil was forced onto the wrong shaft at some point, or that it’s been run with debris packed into the threads. Once the threads are damaged, the coil will loosen mid-run and stop rotating.
- You hear a rattling or grinding from the brush head assembly. That’s metal-on-metal contact inside the hub. It means the coil is no longer seated properly and is chewing up the drive shaft with every revolution.
See the difference
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After
Before
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Before
AfterReplacement Cost & What’s Included
In Atlanta, expect to pay between $140 and $320 for Rotobrush coil cleaning replacement, parts and labor included. The low end covers a single coil section swap on a current-generation unit where the drive shaft and bearings are still in good shape. The high end covers a full coil assembly rebuild with new bushings, a fresh drive shaft, and multiple coil sections on an older machine. We give you one flat price for the whole job in writing before we start, so there’s no surprise line item at the end.
Every Rotobrush coil cleaning repair we do in Atlanta includes the part, the labor to install and test it, and a written guarantee that covers the repair for 365 days. If that coil fails within the year, we come back and make it right at no charge. That’s the 365-Day Done Right Promise, and it’s on paper every single time. The technician who shows up at your Atlanta door will have already sent you their name and photo before they arrive, and they’ll show a photo ID badge at the door. It’s the Threshold Standard, and we’ve held to it since 2004.
DIY or Call Us?
There are a couple of things you can safely check yourself before calling us. Look at the bristles: if they’re uniformly worn but intact, and the coil threads on and off the shaft cleanly, you might get a few more jobs out of it. Check the serial plate to confirm which model you have, because that determines which replacement coil you need. What you shouldn’t do is run a coil that’s wobbling, rattling, or throwing debris. A loose coil at full rotation speed can damage the drive shaft, and the drive shaft replacement is a much more expensive fix than a coil swap. If the coil has any visible cracking at the thread roots or the hub, that part is done and running it risks sending metal or nylon fragments into the ductwork. Call us at (912) 493-7110 and we’ll tell you over the phone whether it sounds like a simple coil swap or something deeper.
FAQs
Most Rotobrush coil sections last 18 to 36 months of regular use in Atlanta, though homes with a lot of sandy soil or older fiberglass-lined ducts tend to wear bristles down closer to the 12-month mark. Humidity and attic heat storage also shorten bristle life by making the nylon more prone to flattening. If you’re cleaning more than two or three homes a week, we typically recommend replacing the coils annually just to keep cleaning results consistent. Call (912) 493-7110 and we can look at your unit’s history and tell you if you’re on a normal replacement cycle.
Not really. Once the bristles are flattened or the threads are damaged, there’s no reliable way to restore the coil to factory performance. Some owners try to re-fluff bristles with heat, but that weakens the nylon and the bristles will flatten again within a few uses. Replacement is the honest fix. We stock coils for most Rotobrush models on the truck, so we can often handle the swap the same day we look at it.
For a single coil section on a current Rotobrush model, we’re usually in and out in under an hour, including testing the brush head under power. A full assembly rebuild on an older unit can take two to three hours because we’re replacing bushings and checking shaft tolerances along the way. Either way, we’ll give you a written price before any work starts and a written guarantee when it’s done.
Yes. We carry OEM-spec Rotobrush coils for the aiR+, PRO, and Roto-Vision lines on our trucks, along with drive shafts, bushings, and hub assemblies. We also stock parts for Lennox, Trane, and Carrier systems, though Rotobrush is what we run and what we know best. If we don’t have your specific coil on the truck, we can usually have it within one business day. Call (912) 493-7110 with your serial number handy and we’ll confirm what’s available before you schedule anything.
Linden Air Duct Atlanta is an independent service provider and not affiliated with Rotobrush. We use their equipment daily because it holds up in Atlanta’s climate, and we’ve learned what fails and when through years of hands-on work rather than a spec sheet alone.
A clean duct doesn’t announce itself, you just breathe easier and stop wondering. If your Rotobrush isn’t cleaning the way it did when it was new, call (912) 493-7110 for a free estimate. We’ll tell you exactly what’s wrong, exactly what it costs to fix, and we’ll put it in writing before a single part comes off the truck.
Written by Marcus Veale, Owner, Linden Air Duct Atlanta at Linden Air Duct Atlanta, serving Atlanta and nearby areas.