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 HVAC Cleaning in Marietta: What to Know First
Rotobrush HVAC cleaning in Marietta means deep-cleaning the components that Rotobrush duct systems connect to: the evaporator coil, blower motor, air handler, and condenser. We handle the full HVAC side of Rotobrush ownership, and most jobs run between $275 and $575 depending on how far the contamination has spread and which components need work. As an independent Rotobrush service provider, we clean what the brush system can’t reach on its own: the parts that actually move air.

This page is for Marietta homeowners who own or inherited a Rotobrush system and want the HVAC components cleaned without the upselling pressure that follows a coupon. If your coil looks like a felt blanket and your blower wheel sounds like it’s dragging gravel, call (762) 216-4075 and we’ll give you an honest read on what’s cleanable and what isn’t.
How Rotobrush Products Fail – and How We Fix Them
Rotobrush equipment is built solid, but the HVAC side of the system takes punishment in Marietta’s humidity and pollen. Here’s what we actually see when we open these units up:
- Evaporator coil packing on Rotobrush aiR+ systems. The aiR+ line runs a compact coil that sits close to the blower. In Marietta’s pollen season, that coil turns into a wet, sticky mat within two seasons. The unit keeps running, but airflow drops noticeably. We pull the coil, apply a foaming evaporator cleaner, let it dwell, and rinse it at low pressure so the fins stay straight. No acid, no pressure washer, no coil damage.
- Blower wheel imbalance on Rotobrush RDS series. The RDS blower wheels collect dust unevenly, and once one side loads up heavier than the other, you get that thrumming vibration through the floor. Left alone, it wears the motor bearings and eventually the motor itself. We remove the wheel, clean each blade individually, and check shaft balance before reinstalling. That’s the difference between a cleaning and a future $800 motor replacement.
- Condenser coil restriction on Rotobrush outdoor units. Marietta’s clay soil and pine needles clog condenser fins faster than most homeowners realize. Rotobrush condensers don’t have a design flaw here – they just need regular attention. We clean the coil from the inside out, straighten bent fins with a fin comb, and check refrigerant pressures after the airflow is restored. A dirty condenser makes the whole system run hotter, which shortens compressor life.
- Heat exchanger surface buildup on Rotobrush packaged units. These units sit on the ground or roof, which means they pull in whatever’s at that level: leaf litter, grass clippings, sometimes rodent nests. The heat exchanger surface gets caked, and that smells like burning dust every time the furnace kicks on. We clean the exchanger surfaces carefully, inspect for cracks while we’re in there, and make sure the burners aren’t getting starved for air.
- Drain pan and line blockages on Rotobrush air handlers. In Marietta’s summer humidity, these air handlers produce gallons of condensate daily. When the drain line clogs, water backs up into the unit and soaks the insulation. We clear the line, clean the pan, replace the insulation if it’s compromised, and apply a coil treatment that slows biological growth. Rotobrush air handlers are workhorses, but standing water in the cabinet is a mold invitation.
Styles & brands we work with




Our Rotobrush HVAC Cleaning Process
Here’s how a Rotobrush HVAC cleaning job goes at Cardinal Air Duct Marietta, from your first call to the final walkthrough:
- 1
You call (762) 216-4075 and talk to a live person. No voicemail tree. We ask what the system’s doing, how old it is, and whether you’ve noticed any smells or airflow changes. Then we schedule a window that fits your day – a live arrival window you can track, per The Relay Standard.
- 2
The technician arrives, introduces himself, and tours the system. He’s background-checked, uniformed, and carrying Rotobrush and Nikro equipment. He checks the coil, blower, condenser, air handler, and heat exchanger before quoting anything. You know his name before he rings the bell; now he’s mapping the work.
- 3
You get a written price before any work starts. Not a verbal estimate. A written number that doesn’t change once the panels come off. If we find something unexpected during the cleaning, we stop and show you the issue before touching anything else.
- 4
We clean the components methodically. Evaporator coil first – it’s the reservoir for everything else. Then the blower wheel and motor housing. Then the condenser and heat exchanger. We use Rotobrush rotary brushes where the job calls for them, Nikro HEPA extraction to capture what we loosen, and Abatement Technologies containment if the contamination is heavy enough to warrant it.
- 5
We test the system before we pack up. Static pressure, temperature drop across the coil, drain line flow. If something’s still not right, we fix it now, not later. You’ll see before-and-after photos of your own equipment before we leave.
- 6
You get a digital invoice and the 365-Day Done Right Promise in writing. If the work isn’t right within 365 days, we return and correct it at no charge. That’s not a courtesy call – it’s the standard.
See the difference
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After
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AfterWhat Rotobrush HVAC Cleaning Costs in Marietta
Most Rotobrush HVAC cleanings in Marietta fall between $275 and $575 for a typical single-system home. That’s the honest range, not a teaser number we inflate at the door. Here’s how the pieces break down:
- Evaporator coil cleaning only: $150 – $275, depending on access and how packed the coil is.
- Blower wheel removal and cleaning: $80 – $150, which includes rebalancing and motor inspection.
- Condenser coil cleaning: $100 – $180, including fin straightening.
- Full HVAC cleaning package (coil, blower, condenser, air handler, heat exchanger): $275 – $575, the range covering most Marietta homes.
What moves the price: how many components are contaminated, whether the blower wheel needs to come out, and whether the unit has never been cleaned. A 12-year-old Rotobrush in a house near Kennesaw Mountain with two shedding dogs will cost more than a 3-year-old system in a condo off Powers Ferry. You’ll always know the number before we open a panel. Call (762) 216-4075 for a free estimate on your specific system.
Why Marietta Homeowners Call Cardinal Air Duct Marietta for Rotobrush Work
We run Rotobrush equipment on Rotobrush systems, because the tool should do the heavy lifting so the technician can focus on doing it right. Omar Haddad trained in heating and ventilation systems at Los Angeles Trade-Technical College and spent years learning the difference between a duct that needed brushing and one that needed replacing – without guessing. That experience shows up in every job we do in Marietta, from older craftsman homes near Historic Marietta Square to newer builds up Dallas Highway.

Every Rotobrush cleaning carries the 365-Day Done Right Promise: if the work isn’t right within a year, we come back and correct it at no charge. Every repair gets a written guarantee plus a free second visit if it fails. And because we’re not a single-brand shop, we’re comfortable working around Lennox, Trane, or Carrier equipment that shares the system with your Rotobrush unit. One crew, one invoice, no finger-pointing between brands.
FAQs
No. Cleaning HVAC components with rotary brush equipment from Rotobrush or similar professional brands doesn’t void the manufacturer’s warranty, provided the cleaning is done by someone who knows how to handle coils and fins without damaging them. We clean with tools designed for HVAC work and we’re careful around the delicate parts. If a component is under warranty and cleaning reveals a defect, we’ll document it so you can file a claim.
Most Rotobrush HVAC cleaning jobs in Marietta take between 2 and 4 hours, depending on how many components need work and how contaminated they are. A coil-only cleaning might take 90 minutes; a full heat exchanger, evaporator coil, blower, and condenser job goes longer. You’ll get a realistic time estimate when we quote the written price, and the live arrival window means no guessing when we’ll show up. Call (762) 216-4075 to schedule.
Cheaper quotes usually mean fewer components being cleaned, less thorough methods, or a technician who’s going to find reasons to raise the price once he’s inside. A $79 HVAC cleaning almost always becomes a $500 job after the “surprise” findings. We hand you a written price before any work starts, and it doesn’t change at the door. The price you sign is the price you pay.
You’ll see before-and-after photos of your own equipment, taken by the technician on site, before we leave your driveway. That’s part of The Relay Standard. If you want to compare the coil from before and after, you won’t have to take our word for it – you’ll have the photos on your phone before the invoice even arrives. That’s how every Cardinal Air Duct Marietta job works, no exceptions.
Sometimes yes, sometimes no. If the coil and blower are intact and the system still holds temperature, a thorough cleaning can extend its life by a few years. If the heat exchanger shows cracking or the blower motor is on its last legs, cleaning alone won’t justify the cost – you’d be better off putting that money toward a replacement. We’ll tell you straight, and we’ll show you the evidence either way. Dirty ducts don’t fix themselves – let’s just get it done right.
Call (762) 216-4075 to schedule your Rotobrush HVAC cleaning in Marietta. A live person answers, the quote is written before work starts, and the work is backed for a full year.
Written by Omar Haddad, Owner, Cardinal Air Duct Marietta at Cardinal Air Duct Marietta, serving Marietta and nearby areas.