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 Air Duct Cleaning in Miami: What to Know First
We provide independent Rotobrush air duct cleaning in Miami for homes and commercial properties, with most whole-system jobs completed in a single day. Our pricing is written down before any work starts, and a full system cleaning for a typical Miami single-family home runs between $450 and $950 depending on home size, number of returns, and how long it’s been since the last cleaning. If you own Rotobrush equipment or your ducts were installed with Rotobrush systems, this page explains what we see in the field: the specific failure points, what cleaning actually involves, and what it should cost. Call (850) 660-3272 for a free estimate.

This page is for Miami homeowners and building managers who want a straight answer about Rotobrush air duct cleaning, not a sales pitch. We’re an independent Rotobrush service provider, not affiliated with or authorized by the manufacturer. We work on the equipment because we know it well, not because anyone handed us a plaque.
Key Takeaways
- We clean Rotobrush ducts as an independent provider, and we’re not a manufacturer affiliate.
- Whole-system cleaning in Miami typically costs $450 – $950, with a written price before we start.
- Rotobrush rotary brush systems have specific failure patterns, especially in South Florida humidity.
- Every job is covered by the 365-Day Done Right Promise, in writing.
- We also service Lennox, Trane, and Carrier duct systems when homes have mixed equipment.
Styles & brands we work with




How Rotobrush Products Fail – and How We Fix Them
Rotobrush is a rotary brush duct cleaning system used by many residential and commercial crews. The brand itself is mostly known for the equipment techs use to clean, not the ducts themselves, but Miami homes with Rotobrush-cleaned systems or Rotobrush-installed components show a handful of recurring problems. Here’s what we actually see, with the real causes and our fixes:
- Rotobrush AiR+ series: brush head wear leaving debris behind. The AiR+ rotary brush heads, especially the nylon bristle sets used on Miami jobs, wear down faster in humid, dust-heavy return air. Worn bristles skip sections of the duct wall and leave a thin film that re-collects dust within months. We check the brush condition before every job and replace worn heads with OEM or equivalent aftermarket sets before cleaning starts. That’s the difference between a cleaning that lasts and one that looks good for three weeks.
- Rotobrush Roto-Vision camera ports: build-up around the access point. Roto-Vision inspection ports, when installed in Miami homes, tend to attract condensation in the summer, and that moisture traps dust at the access collar. Homeowners see dark streaks around the port and assume it’s mold. It usually isn’t, but it needs to be cleaned properly: we remove the port cover, clean the collar, run the brush through, and reseal the access point with mastic so humidity can’t get back in.
- Rotobrush FlexDrive cable systems: kinked drive cables from botched prior cleanings. The FlexDrive line uses a long flexible drive cable. If a previous crew ran the system too hot or forced a bend, the cable kinks, and then the brush stops spinning correctly inside the duct. The homeowner hears a rhythmic thumping and sees no real improvement. We inspect the cable, straighten or replace it, and run the brush at the correct speed for the duct diameter. Forcing a kinked cable is how you score duct walls and create leaks.
- Rotobrush sealed duct runs in older Miami homes: mastic failure at the boot connections. In Miami neighborhoods with 30- and 40-year-old construction, like parts of Coral Gables and Westchester, the mastic sealing around Rotobrush-installed or Rotobrush-serviced boot connections cracks from years of heat and humidity swings. That introduces attic air into the duct run, which means the ducts get dirty again fast. We clean the run, then re-seal the boots and seams before we leave. Cleaning a leaky duct system without sealing it is like fixing a flat tire without finding the nail.
- Rotobrush negative-air machines with clogged HEPA filters: the system is cleaning at half power. Rotobrush negative-air machines use HEPA filters to catch what the brush kicks loose. In Miami, where return air carries fine construction dust, pet hair, and salt-laced humidity from the coast, those filters clog faster than the manufacturer’s average replacement interval suggests. When the filter is packed, the machine can’t hold negative pressure, and dust resettles before the job is done. We check filter condition first, replace when needed, and only then run the cleaning. A machine running on a plugged filter isn’t cleaning anything.
Our Rotobrush Air Duct Cleaning Process
Here’s how a Rotobrush-specific cleaning works from start to finish, so you know exactly what to expect when we arrive at your Miami home:
- 1
Call and written estimate. You call (850) 660-3272, describe the property, and we give you a price range over the phone. Before any work starts, the price is written down and it does not move at the door.
- 2
Inspection and camera run. Our tech arrives in uniform, background-checked, and on time. We run a Roto-Vision or equivalent inspection camera through the main trunk line and key branch runs to see what’s actually inside: dust load, debris, any prior damage, and the condition of existing access points.
- 3
Equipment and parts check. Before the brush goes in, we check the condition of the rotary brush heads, the drive cable, and the negative-air filter. If anything is worn or clogged, we replace it with OEM Rotobrush parts or equivalent aftermarket parts that match the spec. We tell you what we’re replacing and why, before the job moves forward.
- 4
Rotary brush cleaning with negative-air containment. We run the rotary brush through each supply and return run while the negative-air machine maintains pressure so dust doesn’t blow back into the home. Each branch gets cleaned individually; we don’t skip the runs that are hard to reach.
- 5
Boot and seam sealing. After the cleaning, we check the boot connections and seam integrity. If we find cracked mastic or loose joints, we seal them. In Miami humidity, this step is the difference between a cleaning that lasts and one that undoes itself in a season.
- 6
Post-clean camera verification and guarantee. We run the camera again and show you before-and-after footage of your own ducts. Then we write the 365-Day Done Right Promise on the invoice: if it’s not done right, we come back and make it right at no charge, including a free second visit.
See the difference
Before
After
Before
After
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AfterWhat Rotobrush Air Duct Cleaning Costs in Miami
Here’s what we charge, in plain numbers. No per-vent games, no coupon that turns into a bigger invoice once the van is on the drive.
- Small condo or apartment (one return, 6 – 10 supply runs): $450 – $600
- Typical Miami single-family home (two returns, 12 – 18 supply runs): $600 – $850
- Larger home or commercial space (multiple returns, 20+ supply runs, extensive mastic repair): $850 – $1,200+
- Dryer vent cleaning (add-on): $75 – $150
- Boot and seam resealing (add-on, per run): $25 – $40
What moves the price: home size, number of runs, how long since the last cleaning, whether the boots need resealing, and whether prior cleanings left damage that needs correcting. The price is agreed before we start, in writing. It does not change at the door. Call (850) 660-3272 for a free estimate on your specific system.
Why Miami Homeowners Call Hollis Air Duct Miami for Rotobrush Work
Most Miami homeowners who call us have been through this before: a low price over the phone, a different price at the door, a crew that showed up late or not at all, and no way to prove the work was actually done. That’s not how we run a job. Roy Castellanos has been running duct and HVAC crews in Miami for well over a decade, including jobs through Brickell high-rises and older Coral Gables homes, and he and the whole crew operate under The Garrison Standard: arrive inside the quoted window, price in writing, do the job by the book, leave the site clean. Every Rotobrush cleaning we perform is covered by the 365-Day Done Right Promise, in writing, on every job. If the work fails within a year, we return and make it right at no charge. We also service Lennox, Trane, and Carrier duct systems for Miami homes with mixed equipment, so one call covers the whole property. Phones are answered by a live person 24/7. No voicemail loops.
FAQs
Yes. We clean Rotobrush rotary brush systems, Roto-Vision camera ports, FlexDrive cable systems, and negative-air machines as an independent service provider. We’re not a Rotobrush authorized dealer or manufacturer affiliate, but we work on their equipment regularly because it shows up in so many Miami homes and commercial buildings.
In Miami’s humidity and dust load, most homes with Rotobrush-cleaned systems need a full cleaning every 2 to 4 years. Homes with pets, recent renovations, or smokers should lean toward every 2 years. If you see dust accumulating around supply registers within months of a cleaning, something was missed, or the duct system has leaks or worn brush heads that need addressing. Call (850) 660-3272 for an inspection.
No. Routine cleaning using the appropriate rotary brush and negative-air equipment does not void Rotobrush warranties. What does void warranties is physical damage from improper cleaning: kinked drive cables forced through bends, brush heads run at the wrong speed, or access points cut into duct walls without proper sealing. We clean to the manufacturer’s operating specs and document the work with before-and-after camera footage, which is exactly what you want if a warranty claim ever comes up.
We run a camera inspection before and after every job and show you the footage of your own ducts. You see the difference with your own eyes, not a stock photo on a brochure. The 365-Day Done Right Promise covers the work in writing: if the cleaning fails within a year, we come back at no charge, including a free second visit. That’s the standard Roy Castellanos expects from every job, because if you can’t explain the job plainly, you probably shouldn’t be doing it.
Rotary brush cleaning physically agitates the dust, pollen, and debris stuck to the duct walls, while negative-air containment pulls it out of the home. Plain vacuum-only cleaning without agitation leaves a film on the duct walls that re-collects dust quickly. For Miami homes, where humidity bonds dust to duct surfaces, rotary brush agitation is the difference between a cleaning that lasts and one that needs repeating in six months.
Yes. We handle commercial Rotobrush duct systems in Miami, including office buildings, retail spaces, and medical offices. Commercial jobs typically require after-hours scheduling and larger negative-air machines, which we quote on a per-job basis. Call (850) 660-3272 for a walkthrough and written estimate.
Contact Hollis Air Duct Miami
If you need Rotobrush air duct cleaning in Miami, call (850) 660-3272. We’ll give you a straight answer, a written price, and a cleaning done by the book, with the 365-Day Done Right Promise behind it. No bait-and-switch, no per-vent games, no surprises. Just clean ducts and a job documented from start to finish.
Written by Roy Castellanos, Owner, Hollis Air Duct Miami at Hollis Air Duct Miami, serving Miami and nearby areas.