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 Vent Sanitizing: The Marietta Owner’s Guide
If your Rotobrush vent sanitizing system is down, we stock the replacement parts here in Marietta and install them for $185 to $420 depending on your model and what actually failed. Most jobs are done the same visit. You’ll usually know something’s wrong because the sanitizer stops fogging, the pump whines but nothing comes out, or you get an error light mid-cycle.
We run Rotobrush equipment daily on our own duct cleaning jobs around East Cobb, Smyrna, and the neighborhoods off Powder Springs Road, so we’ve seen every failure mode these units have. Marcus Veale and the crew know exactly what to check first, and we keep the common wear items on the truck so you’re not waiting on a shipment.
Key Takeaways
- We are an independent Marietta service provider, not affiliated with Rotobrush, but we run their equipment every week and stock the common replacement parts.
- Installed pricing runs $185 to $420. You get the full number in writing before we start.
- If the repair fails within 365 days, the second visit is free, per our written guarantee.
- Most Rotobrush vent sanitizing replacements are same-visit jobs in Marietta.
Which Rotobrush Models This Applies To
The vent sanitizing function on Rotobrush units lives in one of two places, and which one yours has changes everything about the repair. The older AiR+ and BRx series use a standalone fogger module that plugs into the main vacuum head. The newer vision and bio series integrate the sanitizer pump directly into the machine body, behind the lower access panel. If you’re not sure which you have, look for a small serial plate on the back of the unit; the model number will start with “BR” or “AiR” and that tells us what to pull from the truck.
For Rotobrush specifically, we recommend OEM sanitizer pumps and nozzles over generic aftermarket equivalents. The thread pitch on the quick-connect fittings is not a standard NPT sizing, and the aftermarket versions we’ve tested in Marietta leak at the fitting after a few heat cycles. You’ll pay about twenty to forty percent more for the Rotobrush-branded part, and on this particular component, it’s worth it. The nozzles themselves are more forgiving; a quality brass mist nozzle from a plumbing supply house often outperforms the plastic OEM nozzle that ships with the unit, especially with the hard water we pull from Lake Allatoona.
Styles & brands we work with




Signs Your Rotobrush Vent Sanitizing Is Failing
- No mist or fog at the nozzle, but you hear the pump running. This is almost always a clogged pickup tube or a cracked supply line letting air in. Left alone, that pump runs dry and burns out. The repair gets more expensive the longer it’s ignored.
- Unit throws an error code mid-sanitizing cycle. On the newer systems, codes related to the sanitizer pump usually point to low pressure or a failed internal check valve. The valve is a fifteen-dollar part if you catch it early; the whole pump assembly is not.
- Sanitizer solution leaking from the base of the unit. The poly tubing these systems use gets brittle after about four to six years in Georgia attic heat, which runs well past 120 degrees in July and August. We see cracked supply lines regularly in Marietta crawlspaces and attics.
- Weak, sputtering mist instead of a fine, even fog. This means the pump diaphragm is wearing out or the nozzle tip has mineral buildup. Hard water accelerates this; we see it more often in older homes off Canton Road where the plumbing predates any water softening.
- Pump is completely silent when the sanitizer should be running. That points to a failed motor, blown internal fuse, or a control board issue. This is where we’d confirm the actual fault before ordering anything, because on some models the fuse is a $4 fix and on others the board is north of $250.
Replacement Cost & What’s Included
For Marietta homeowners, a Rotobrush vent sanitizing repair typically runs between $185 and $420 installed. Here’s the breakdown:
- Nozzle or supply tubing replacement: $185 to $240, including the part and labor.
- Pump rebuild or replacement with OEM part: $290 to $420, depending on whether your model needs the full pump assembly or just the diaphragm kit.
- If the control board is involved: we’ll tell you the exact number before we order anything. That’s the one repair where guessing would be dishonest.
The range exists because some Rotobrush units are fifteen minutes inside and some take a couple of hours to reach the sanitizer components cleanly. We give you the full price in writing before any work starts, and that written price is what you pay. No surprise invoices. The repair itself is covered by our written guarantee: 365 days, and if it fails, the second visit is free.
See the difference
Before
After
Before
After
Before
AfterDIY or Call Us?
The sanitizing side of a Rotobrush system is low-voltage and generally safe to inspect. You can check for cracked tubing, clean an obvious nozzle clog with white vinegar, and confirm the supply container isn’t empty. If that’s all it is, you’re done in ten minutes and you don’t owe anybody a dime.
Where DIY goes wrong is inside the pump housing. The diaphragm, check valves, and pressure switch are not parts most homeowners should open up, and an incorrect reassembly can send sanitizer mist into places it doesn’t belong or run the pump against a closed line. If the problem is inside the machine body or behind a panel with a warning label, call us at (912) 405-8840. We’ll tell you over the phone whether it sounds like a simple fix you can handle or something we should put eyes on. Marcus is known for walking homeowners through exactly what he found before writing anything up; as he says, “Tell me what’s in the system before you tell me what it costs to fix it.”
FAQs
In real-world conditions around Marietta, the sanitizer pump usually lasts four to seven years before the diaphragm or internal check valve goes. Attic heat shortens that life, which is why we see earlier failures in homes where the unit is stored in unconditioned space.
On most Rotobrush models, yes. A diaphragm and check valve kit usually brings the pump back to full function for less than half the cost of a complete pump assembly. We’ll make that call based on the condition of the motor itself, not out of habit.
Most vent sanitizing repairs in Marietta are done in 45 minutes to two hours on site. The job is usually finished in a single visit because we carry the common Rotobrush sanitizer parts on the truck.
We stock the common wear items: nozzles, tubing, check valves, and pump rebuild kits for the AiR+, BRx, and bio series units. For anything outside that, like a full control board, we’ll source the OEM part and have the job scheduled within a few days. Call (912) 405-8840 and we’ll confirm stock before you ever roll a truck.
Call for a Straight Answer
If your Rotobrush vent sanitizing system is down, call (912) 405-8840. A live person answers, any hour, any day. We’ll ask what you’re seeing, tell you honestly whether it sounds like a simple fix or a real repair, and give you a written price before anything starts. We serve Marietta, Kennesaw, Smyrna, Powder Springs, and the East Cobb corridor. We also stock parts for Lennox, Trane, and Carrier systems when the issue is in the HVAC line itself rather than the sanitizer.
Written by Marcus Veale, Owner, Linden Air Duct Marietta at Linden Air Duct Marietta, serving Marietta and nearby areas.