Supply Duct Cleaning in Miami, FL

Supply Duct Cleaning in Miami, FL

Our Air Duct Cleaning services in Miami typically cost between $285 and $480 for a full system cleaning, depending on the number of vents and how much buildup has collected over the years. Supply ducts are the network of metal or flex tubing that carries conditioned air from your central AC unit out to every room in the house, and in Miami’s humidity they collect dust, mold spores, and debris faster than most homeowners realize. If you’ve noticed uneven cooling between rooms or a persistent dust film on furniture days after you wipe it down, your supply ducts are likely the culprit. Call us at (850) 779-9240 and we’ll give you a written price before a single vent cover comes off.

At Kestrel Air Duct Miami, we treat supply duct cleaning as its own job, not an afterthought bolted onto a general Air Duct Cleaning in Miami visit. The supply side of your system does the heavy lifting: it pushes every cubic foot of cooled air through your home, and when it’s dirty, you’re breathing whatever is in there. Dale Whitmore has been running this operation under the Kingswell Guarantee since 2004, and every job gets a written price first and a 365-Day Done Right Promise in writing before we leave.

When You Need Supply Duct Cleaning

Most Miami homeowners call us after noticing one or more of these signs. If any of them sound familiar, your supply ducts are due for a cleaning:

• Uneven room temperatures: The bedroom on the far side of the house never gets as cold as the living room, even with the AC cranked. Restricted supply ducts reduce airflow to the farthest registers first.
• Dust returning within 48 hours of cleaning: You wipe down a surface, and two days later a fine gray film is back. That dust is being blown out of your supply ducts every time the fan kicks on.
• Musty smell when the AC starts: Miami’s humidity feeds mold growth inside supply ducts, and that first blast of air when the system cycles on carries the smell into the room.
• Visible dust or debris around supply registers: Check the vent covers in your ceiling or floor. If there’s a dark ring of buildup around the louvers, the duct behind it is worse.
• Higher electric bills without a change in usage: A restricted supply duct forces your air handler to work harder to push the same volume of air, and that shows up on your FPL bill.
• Recent renovation or construction work: Drywall dust, sawdust, and debris from any remodel in Miami gets pulled into the return side and pushed out through the supply ducts.

Our Supply Duct Cleaning Process

We follow a set sequence on every supply duct cleaning job in Miami. No shortcuts, no skipped steps, and you’ll know exactly what we’re doing at each stage.

1. Inspection and written quote: We assess your supply duct layout, count the registers, check access points, and hand you a written price before any work begins. That price doesn’t change at the door.
2. Register and supply plenum access: We remove each supply register and cut a small access point at the supply plenum, which is the main distribution box that sits on top of your air handler.
3. Brush agitation with Rotobrush: We run a Rotobrush rotary brush through each supply run. The brush head spins against the duct walls and physically dislodges caked-on dust, pet dander, and debris that a vacuum alone can’t pull off.
4. Negative-air extraction with Nikro: A Nikro negative-pressure unit connects to the supply plenum and pulls the loosened contaminants out of the duct system under vacuum. This keeps the debris from re-entering your living space during cleaning.
5. HEPA filtration at the point of work: Our Abatement Technologies HEPA filter captures particles as small as 0.3 microns, so what we pull out of your ducts doesn’t end up floating in your hallway.
6. Final inspection and walkthrough: We show you what came out of the ducts, confirm airflow at each register, reinstall all vent covers, and leave your home cleaner than we found it. Then we put the 365-Day Done Right Promise in writing.

Supply Duct Cleaning Pricing in Miami

We give honest pricing in dollars, not vague ranges that balloon when the technician arrives. Here’s How Much Does Air Duct Cleaning Cost? (2026 Price Guide) - Miami, FL at Kestrel Air Duct Miami, based on typical home sizes:

• Condo or small apartment (up to 6 supply vents): $285 – $340
• Single-family home (7 to 12 supply vents): $340 – $420
• Larger home or home with extended duct runs (13 to 18 supply vents): $420 – $480
• Homes with multiple AC zones or hard-to-access supply runs: priced after inspection, quoted in writing before work begins

What affects the price in Miami specifically? Older homes in areas like Coral Gables and Coconut Grove often have original galvanized ductwork from the 1960s and 1970s that hasn’t been cleaned in decades, and heavier buildup means more time on the brush. Homes in Kendall and Doral built in the last 20 years tend to have flex duct that collects less debris but can develop crimped sections that slow the process. The number of supply registers, the length of the duct runs, and the accessibility of your air handler all factor into the written quote.

Every quote includes the full supply duct cleaning process described above. There’s no surcharge for the Rotobrush, the Nikro unit, or the HEPA filtration. The price we put in writing before we start is the price you pay when we finish, and it’s backed by the Kingswell Guarantee and the 365-Day Done Right Promise. Call (850) 779-9240 for a free estimate with no obligation.

Why Supply Ducts Get Dirty Faster in Miami

Miami’s climate works against clean ductwork in ways that other cities don’t experience. Understanding why your supply ducts clog up helps you spot problems before they get expensive.

Relative humidity in Miami sits above 70% for most of the year, and your AC runs nearly every day from March through November. That constant cycling pulls moisture into the duct system, and that moisture makes dust stick to the duct walls instead of blowing through. In drier climates, dust passes through the system. In Miami, it accumulates.

Condensation is the bigger issue on the supply side. Supply ducts carry cold air through unconditioned spaces like attics, which in Miami can reach 140 degrees in August. The temperature difference causes condensation on the outside of the duct, but air leaks in the duct body let warm, humid attic air inside. That’s where mold gets a foothold, and it’s also why supply duct cleaning in Miami often requires more thorough brush work than the same job in a cooler, drier market.

We also see a lot of supply ducts that have been loosely sealed at the register boots. Over time the sealant fails, and attic insulation fibers, dust, and whatever else is in your attic space gets pulled into the supply stream. A supply duct cleaning removes that debris, and we’ll point out any sealing issues we find during the process so you can address them before they undo the work.

Why Kestrel Air Duct Miami for Supply Duct Cleaning

Dale Whitmore founded this location on a simple idea that most duct cleaning companies can’t match: put the price in writing, show up when you say you will, do the work with real equipment, and come back if it isn’t done right. Those four commitments are what we call the Kingswell Guarantee, and they’re written on every job sheet.

Our technicians are background-checked and uniformed. They use Rotobrush rotary brush systems to agitate debris at the duct wall, Nikro negative-pressure units to extract contaminants under vacuum, and Abatement Technologies HEPA filtration to keep loosened particles out of your living space. We also offer Video Inspection to identify problem areas before cleaning begins. We don’t use box-store shop vacs or cut corners on the extraction side.

The 365-Day Done Right Promise means this: if you find that your supply ducts were not cleaned properly within 365 days of our visit, you call us. We send a technician back out, we re-clean the affected duct runs, and you don’t pay for the return visit. It’s not a vague satisfaction pledge. It’s a specific, written commitment that you can point to, and we’ve been standing behind it since 2004.

When you call (850) 779-9240, a live person answers. Not a voicemail queue, not an automated menu. You’ll talk to a real person who can schedule your supply duct cleaning and answer questions about pricing, timing, and what to expect.

What’s Included vs. What’s Extra

We believe in telling you exactly what you’re getting. Here’s what every supply duct cleaning from Kestrel Air Duct Miami includes:

• Included: Inspection of all supply duct runs, removal and cleaning of all supply registers, Rotobrush agitation of every accessible supply duct, Nikro negative-air extraction, HEPA filtration during the entire job, reinstallation of all vent covers, written 365-Day Done Right Promise.
• Included: A full walkthrough where we show you what came out of the ducts and confirm airflow at each register before we leave.
• Not included: Air handler coil cleaning, return duct cleaning, and dryer vent cleaning are separate services. If we see something during the supply duct cleaning that needs attention, we’ll tell you and give you a separate written quote. No pressure, no upselling at the door.
• Optional: We can recommend Honeywell and Guardsman filtration products for homeowners who want to maintain cleaner air between professional cleanings. These aren’t required, and we’ll never push them on you.

FAQs – Supply Duct Cleaning

How much does supply duct cleaning cost in Miami?

Supply duct cleaning in Miami typically costs between $285 and $480 depending on the number of supply vents and the amount of buildup in the ducts. Condos and small apartments run $285 to $340, single-family homes with 7 to 12 vents run $340 to $420, and larger homes with 13 or more vents run $420 to $480. Call (850) 779-9240 for a free written estimate with no obligation.

How long does supply duct cleaning take?

A standard supply duct cleaning in Miami takes between 2 and 4 hours for most homes. The time depends on the number of supply runs, how accessible your air handler is, and how much buildup has accumulated in the duct walls. We’ll give you a defined arrival window when you schedule, and we show up in that window.

How often should supply ducts be cleaned in Miami?

In Miami’s humidity, most homeowners should have supply ducts cleaned every 3 to 5 years. Homes with pets, recent renovations, or allergy sufferers in the household may benefit from cleaning every 2 to 3 years. If you can’t remember the last time they were cleaned, it’s probably time. Call us at (850) 779-9240 and we’ll give you a straight answer on whether a cleaning is warranted.

What’s the difference between supply ducts and return ducts?

Supply ducts carry conditioned air from your AC unit out to the rooms in your home, while return ducts pull air from your rooms back to the AC unit to be cooled again. Supply duct cleaning focuses on the runs that deliver air to your living spaces, which is where dust and debris build up and get blown into the air you breathe. We clean the supply side thoroughly, and if your return side also needs attention, we’ll tell you during the inspection.

Do you clean the vents and registers too?

Yes. Removing, cleaning, and reinstalling every supply register is part of every supply duct cleaning we do in Miami. The register is the visible grille that covers the duct opening in your ceiling or floor, and it collects dust just like the duct behind it. We clean each one and put them back properly sealed.

Can supply duct cleaning help with allergies?

Supply duct cleaning removes the accumulated dust, pet dander, pollen, and mold spores that get blown into your living spaces every time your AC runs. For Miami homeowners with allergies, a clean supply duct system means fewer airborne irritants circulating through the house. We can also discuss Honeywell filtration options if you want additional air cleaning between professional services.

Get Your Supply Ducts Cleaned by Kestrel Air Duct Miami

You don’t have to live with dust on every surface and uneven cooling between rooms. Supply duct cleaning is one of the most impactful indoor air quality improvements you can make in a Miami home, and Kestrel Air Duct Miami does it right. Written price before we start, background-checked technicians, professional Rotobrush and Nikro equipment, and the 365-Day Done Right Promise in writing on every job.

Call (850) 779-9240 today and talk to a live person. We’ll answer your questions, schedule a visit, and give you a free estimate for supply duct cleaning in Miami. You’ll know exactly what you’re paying before a single vent cover is touched.

Written by Dale Whitmore, Owner at Kestrel Air Duct Miami, serving Miami.