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 Alpharetta Owner’s Guide
If you own a Rotobrush machine and the coil cleaning cycle isn’t pulling the same suction it used to, you’re likely looking at a clogged or failing coil assembly. We stock Rotobrush-compatible coil cleaning parts here in Alpharetta and can typically complete the swap for $145 to $320 installed, depending on your model and whether just the brushes or the whole coil assembly needs replacing. Most Alpharetta owners call us after noticing one telltale sign: the machine runs but barely lifts dust from the return side. You’ll see it on the gauge first, then feel it in how many passes each duct run takes.
Key Takeaways
- Rotobrush coil assemblies are model-specific, not universal. The wrong part will fit poorly and shred itself within a few jobs.
- Installed coil cleaning replacement in Alpharetta runs $145 to $320, written before we start.
- Coils fail in two predictable ways: brush wear from years of rotation, or total seizure from dust-packed bearings.
- We keep common Rotobrush coil parts on the truck. Most Alpharetta jobs are same-day once we confirm the model.
- We’re an independent service provider, not affiliated with Rotobrush. We buy compatible parts because our own crews run Rotobrush equipment daily.
Styles & brands we work with
Which Rotobrush Models This Applies To
Rotobrush has produced several machine families over the years, and the coil assembly varies by line. The original AiR series and the newer Vision and Patriot models each take a different coil diameter and shaft length. Here’s the gotcha we see in Alpharetta regularly: older AiR machines with serial numbers starting “RB” use a 2.25-inch coil with a plastic end cap, while Vision units built after 2018 moved to a 2.5-inch coil with a metal collar. Swapping those two will damage the brush housing within the first pass. The fastest way to identify yours is to pull the side cover and measure the coil length end to end, and check whether the shaft has a flat notch or a keyed slot. If you’re not sure, we can match it by the serial number plate.
On the OEM versus aftermarket question: Rotobrush-branded coils are well made, but the aftermarket coils we source from the same manufacturers supply the trade have held up equally well for our crews. The deciding factor is usually brush density. Cheaper coils shed bristles early and leave nylon threads inside the duct. We stock the denser brush grade, the same kind we run in our own Rotobrush machines.
Signs Your Rotobrush Coil Cleaning Is Failing
- Suction builds, then drops suddenly. This usually means the coil is packed with caked debris to the point where air can’t pass through consistently. The machine surges because the motor fights the blockage.
- Visible brush wear on one side. If the coil bristles look shorter on the left or right edge, the assembly is rubbing against the housing. That friction is a sign the coil shaft is slightly bent, which happens after repeated hard contact with duct elbows.
- A rattle from the coil housing when the machine is off. A loose coil shaft or worn bearing lets the assembly wobble. Left alone, it scores the housing and the replacement becomes more expensive.
- The machine leaves swirled dust trails instead of pulling cleanly. Worn bristles don’t make consistent contact with the duct wall. You’ll notice you’re doing more passes and still seeing residue.
- Burning smell during operation. A seized bearing or overly tight coil generates heat. Shut it down and stop using it. That smell means friction, and friction means the coil is on its way to failure.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
For Alpharetta customers, a Rotobrush coil cleaning replacement is a two-part number: the part itself and the labor. The coil assembly or replacement brushes for most Rotobrush models run $60 to $180 depending on the machine line, and labor typically adds $85 to $140. That puts most jobs between $145 and $320 installed. What drives the wider range is whether we’re replacing just the brush sleeve or the full coil and shaft, and whether your housing has any scoring that needs smoothing. You’ll get a written price before any work starts, the same flat quote whether the job takes thirty minutes or an hour and a half. Our 365-Day Done Right Promise applies to parts work the same as duct cleaning: if the coil doesn’t run right, we make it right. We’ll also show you the old part next to the new one before it goes in, so you can see exactly what failed.
DIY or Call Us?
You can safely inspect the coil yourself. Pull the side cover, look for caked dust, check the bristle length by eye, and listen for a wobble when you spin it gently by hand. That tells you a lot. But the replacement itself is where we see Alpharetta owners get into trouble. These machines are built for daily commercial use, and the coil shaft seats tightly against the drive spindle. Forcing the wrong part or seating it slightly off-angle will strip the spindle, and then you’re replacing the drive assembly too, which triples the bill. The coil itself isn’t under dangerous spring tension, so this isn’t a high-risk repair, but precision matters. If you’ve already got the cover off and the numbers written down, call us at (762) 263-0408. We’ll tell you over the phone whether it’s a straightforward swap or whether something else is going on.
FAQs
In Alpharetta’s humidity and heat, which dries out and hardens brush bristles faster than the moderate climates in the northeast, a well-maintained Rotobrush coil lasts three to five years of regular residential use before the brush density falls off noticeably. Crews running multiple jobs daily through Georgia summers will see wear sooner. We also keep replacement parts for Lennox, Trane, and Carrier units, but the Rotobrush coils are the ones we see most often because of how many local contractors run them.
Occasionally, yes. If the bristles are worn but the shaft and bearing are true, a brush sleeve alone is often enough, and that’s a lower-cost fix. But if the shaft is bent or the bearing is seized, repairing the old part usually costs more in labor than a new assembly. We’ll show you the old coil and explain which route makes sense before you spend anything.
Most swaps take under an hour once we confirm the model and have the right part in hand. If we’re pulling the housing to smooth out scoring, it can run a bit longer. Either way, you’ll know the price before we turn a wrench.
We keep common Rotobrush coil assemblies and brush sleeves on our service vehicles for the AiR and Vision lines because those are the machines our own crews use every week. For less common models, we can usually source the part locally within a day or two through our supplier network. Call (762) 263-0408 with your serial number and we’ll tell you exactly when we can have it done.
Paul Adeyemi, our owner, runs a Rotobrush machine himself on most of our Alpharetta duct cleaning jobs. He’s pulled apart enough of these machines to know the difference between a tired coil and a broken one within the first minute of looking at it. His rule is simple: “I’ll tell you what I see, tell you what it costs, and then I’ll get to work – in that order, every time.”
Written by Paul Adeyemi, Owner, Morton’s Air Duct Alpharetta at Mortons Air Duct Alpharetta, serving Alpharetta and nearby areas.