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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.
Nikro Coil Cleaning: The Alpharetta Owner’s Guide
If your Nikro system’s coil cleaning function has quit mid-cycle or the brushes have stopped spinning, you’re probably looking at a failed drive assembly or worn brush heads. In Alpharetta, a Nikro coil cleaning repair typically runs $225 – $485 installed, depending on whether it’s a brush replacement or a full drive motor swap. Most owners notice something’s off when the unit powers on but the brush no longer rotates under load, or when the cleaning pass leaves visible debris behind that used to get pulled out.
We stock Nikro-compatible coil cleaning parts on our service vehicles and can usually complete the repair in one visit. You’ll get a written price before any work starts, and the job is backed by our 365-Day Done Right Promise. Paul Adeyemi and the Morton’s crew have worked on dozens of Nikro units across Alpharetta’s Windward, Crabapple, and downtown neighborhoods, so we know which parts tend to give out first on these systems and which replacements actually last in Georgia’s humidity.
Which Nikro Models This Applies To
Nikro builds coil cleaning equipment across several series lines, and the replacement parts are not all interchangeable. The brush assemblies and drive components on Nikro’s portable coil cleaners differ between the older VP-series and the current SOOTVAC and AQUA-VAC platforms. Before ordering anything, grab the model plate on the unit body and look for the serial prefix. That prefix tells you the series and usually the year it was built, which matters because Nikro changed drive shaft diameters on some mid-production runs.
Here’s the compatibility gotcha: a brush head listed for a VP-series unit will often not seat properly on a newer Aqua-Vac drive shaft, even though the external dimensions look nearly identical. We’ve seen Alpharetta homeowners order parts online assuming “universal fit” and end up with a brush set that binds or slips after two passes. On the OEM versus aftermarket question: Nikro’s genuine brush heads use a nylon bristle blend that holds up well against alkaline coil cleaners, while many aftermarket equivalents use a stiffer poly that sheds under chemical exposure. We stock both OEM Nikro parts and quality aftermarket equivalents from the same suppliers we trust for Rotobrush and Guardsman components, and we’ll tell you which one makes sense for your unit’s age and workload. Mortons Air Duct Alpharetta is an independent service provider and not affiliated with Nikro, so our recommendations come from what we’ve seen actually hold up in the field, not a brand script.
Styles & brands we work with




Signs Your Nikro Coil Cleaning Is Failing
- Brush head spins free without load, but stops on contact. The drive clutch or coupling is worn. These parts take the brunt of every cleaning pass, and once they slip, the brush can’t maintain speed against the coil surface. Replace the coupling before the drive motor takes damage.
- Cleaning pass leaves a visible streak or band of debris. One or more bristle sections have broken or flattened. Brush heads wear unevenly, especially on the leading edge, and a band of leftover grime is the telltale sign the head needs replacing rather than just a cleaning.
- Unit runs louder than it used to, with a whine or grinding sound. Bearing wear in the drive assembly. Georgia’s humidity accelerates rust on the exposed bearing surfaces, and once a bearing starts to whine, it’s a matter of a few dozen more cycles before it seizes.
- Coil cleaner solution doesn’t flow, or flows at half pressure. The feed line or nozzle is clogged, or the solution pump diaphragm has cracked. Hard water mineral buildup from Alpharetta’s municipal supply is a frequent culprit, and it builds up faster if the unit sits between coil cleaning jobs.
- Power light comes on, but nothing moves at all. The drive motor or the switch has failed. Motor failure on units older than eight years is not uncommon, and if that’s the case, swapping the brush alone won’t fix it.
If you’re seeing any one of these on your unit, call us at (762) 263-0408 and describe what’s happening. Paul can usually tell you over the phone whether you’re looking at a brush replacement or a motor issue, and what the realistic price range is before we ever drive out.
Replacement Cost & What’s Included
For Alpharetta homeowners, here’s the straight answer on Nikro coil cleaning parts and labor:
- Brush head replacement: $95 – $180 installed, including the new OEM or aftermarket part, shaft inspection, and a test cycle on your unit.
- Drive coupling or clutch replacement: $120 – $210 installed, including the part, alignment check, and a full brush rotation test under load.
- Solution pump or feed line repair: $140 – $260 installed, including clearing mineral buildup from the line, replacing the diaphragm or pump as needed, and a flow test.
- Drive motor replacement: $285 – $485 installed, including the motor, mounting alignment, and a full cycle test with brushes engaged.
The range comes down to which Nikro series you have and whether we’re replacing a single component or a worn-out assembly. What you won’t see is a low introductory price that balloons once we’re on-site. Every Morton’s visit includes a written price before any work begins, and that price doesn’t change when the job is done. The labor and the part are both covered by our 365-Day Done Right Promise, so if the unit acts up again inside a year, we come back and make it right.
Our trucks carry brush heads for the most common Nikro series, plus couplings and feed line components. If your unit is an older or less common model, we can usually source the part same-week from our Alpharetta supplier network.
See the difference
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After
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AfterDIY or Call Us?
Replacing a brush head on a Nikro coil cleaner is something a careful owner can do: unclip the brush housing, slide the old head off the drive shaft, and seat the new one. The risk is buying the wrong brush head for your series, and we’ve already covered that compatibility gotcha. If the new head binds, you can damage the drive shaft, and now you’re looking at a motor replacement on top of the brush.
Everything beyond a brush head is where DIY gets expensive. The drive motor, couplings, and solution pump sit inside the unit housing, and the wiring runs close to the high-tension drive assembly. Electrical work on a coil cleaner isn’t a handyman job, and opening the unit up without knowing the Nikro internal layout is a fast way to turn a $150 coupling replacement into a $400 repair. We recommend letting a trained tech handle anything involving the motor, the clutch, or the wiring. We’ll show you what we’re doing, tell you the flat price before we start, and hand you a photo of the finished job before we leave.
If you’re not sure whether your unit’s problem is safe to touch, call (762) 263-0408 and ask. We’ll give you an honest answer either way.
FAQs
In our experience serving Alpharetta homes, a Nikro brush head typically lasts three to five years with regular use, though coastal humidity and hard water mineral exposure can shorten that to two or three years if the unit isn’t flushed after each cleaning. Call (762) 263-0408 and Paul can tell you whether your brush head is at end-of-life or just needs a deep cleaning.
Sometimes, but not in a way that makes financial sense for most homeowners. The bearing failure we commonly see on Alpharetta units is fixable in theory, but the motor assembly is sealed and not built for field rebuilding. Replacing the motor is usually the honest long-term answer, and it comes with the same 365-Day Done Right Promise as everything else we do.
Most brush head replacements and coupling swaps take under an hour on-site. A full drive motor replacement can run two to three hours, and we’ll tell you the expected time before we start and give you a written price to match.
Yes. Our Alpharetta service vehicles carry brush heads for common Nikro series, drive couplings, feed line components, and solution pump parts. If your model needs something we don’t have on hand, we source it from our local supplier network and schedule the follow-up visit at a time that works for you.
Call Morton’s for Nikro Coil Cleaning Repair in Alpharetta
If your Nikro unit is acting up, call us at (762) 263-0408 and describe what you’re seeing. We’ll tell you what we think is going on, what the likely repair looks like, and what you can expect to pay before a single tool comes off the truck. That’s how we work in Alpharetta, whether we’re replacing a coil cleaning brush in Windward or rerouting a dryer vent in Crabapple. Written price first. Done right promise after. Paul Adeyemi and the Morton’s crew are ready when you are.
Written by Paul Adeyemi, Owner, Morton’s Air Duct Alpharetta at Mortons Air Duct Alpharetta, serving Alpharetta and nearby areas.