Dryer vent cleaning
Whole-home duct 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.
Guardsman Dryer Vent Cleaning in Miami: What to Know First
We provide independent Guardsman dryer vent cleaning throughout Miami, typically completed in under two hours on a first visit. Most Guardsman owners in Miami-Dade should expect to pay between $139 and $229 for a complete vent cleaning, depending on run length and accessibility. If you own a Guardsman dryer and the vent has not been opened in two years or more, call (850) 660-3272 and we will give you a written price before anyone touches the system.

This page is for Miami homeowners who want a Guardsman-specific vent cleaning, not a generic duct company guessing at the job. Roy Castellanos answers the tougher questions himself, because if you can’t explain the job plainly, you probably shouldn’t be doing it.
How Guardsman Products Fail – and How We Fix Them
Guardsman filters and venting products live a hard life in Miami. The humidity alone means lint clings to duct walls instead of blowing through loose, and salt air near the coast speeds up corrosion on vent caps and exterior terminations. Here is what we actually find when we open a Guardsman-protected dryer vent in this city:
- Guardsman dryer vent filter kits with the clamp-on lint trap: The filter screen itself becomes a restriction point in humid months. Lint that would normally pass through as dry particulate instead cakes onto the screen because Miami’s moisture makes it sticky. We remove the screen, clean it in a solution that actually dissolves the binding layer, and inspect the trap housing for the hairline cracks that form when a homeowner over-tightens the clamp. Fix is a cleaning, not a replacement, unless the housing is cracked.
- Guardsman aluminum transition ducts: These are the semi-rigid foil sections running from the dryer to the wall. In Miami closeted laundry rooms, the dryer sits against a wall and the transition duct gets crushed into an S-bend. Lint settles in the crush point within months. We inspect the entire transition, and when we see the accordion folds packed solid, we recommend replacing it with a rigid or semi-rigid run that matches the Guardsman profile. No per-vent upcharge. One written price.
- Guardsman exterior vent hoods with the gravity flap: The flap is plastic on many Guardsman hoods, and Miami sun degrades it within two to three years. A cracked or warped flap no longer seals, which lets humid outside air pour into the vent and turns any lint inside into a damp mat. We check the flap on every job. When it’s compromised, we install a metal flap hood with a bird guard, and we show you the old one so you can see the crack for yourself.
- Guardsman vent brush kits homeowners use between cleanings: The brush itself is fine. The problem is that the flexible rods snap together, and in a long vent run, a joint can separate inside the duct. We have pulled separated brush sections out of wall cavities in more than one Miami house. Our rotary brush system is a continuous cable, not segmented rods, so nothing detaches inside your vent.
- Long Guardsman-protected runs through attics or crawl spaces: Guardsman filters protect the dryer, but they do not shorten the vent run. In Miami homes where the laundry sits on an interior wall, the vent can run fifteen feet or more before it reaches daylight. That length, plus the humid air, means lint compresses into a solid plug at the midpoint. We clean the full run with a negative-air machine and rotary brush, not just the first few feet. This is the most common Guardsman job we do in Miami.
Styles & brands we work with




Our Guardsman Dryer Vent Cleaning Process
Every Guardsman vent job in Miami follows the same steps, and you will see the price in writing before step one happens.
- 1
Walk the vent path. Roy or a technician he has trained locates the dryer, the transition duct, the wall penetration, and the exterior termination. We measure the run and note any kinks or crushed sections.
- 2
Written quote, no moving targets. We give you one flat price per system based on the run length and scope. The price is on paper before any equipment comes off the van. It does not change when we open the wall and find years of buildup.
- 3
Negative-air setup. A HEPA-filtered negative-air machine gets hooked to the vent, so every particle we dislodge is pulled out of the system and captured, not blown into your laundry room. This matters more in Miami, where the dust carries moisture and a fine film of lint will otherwise settle on everything.
- 4
Rotary brush cleaning with Guardsman-safe practices. We run a continuous rotary brush through the full vent run, from the dryer connection point to the exterior hood. We clean the guardsman filter screen, transition duct, and any inline booster fan if you have one. We never use chemicals inside the vent.
- 5
Exterior termination inspection. We check the hood, flap, and bird guard at the outlet. Here in Miami, iguana and bird nesting at exterior vents is a real problem. If the flap is shot or the guard is missing, we quote the replacement right there in plain language.
- 6
Before-and-after photos and a test run. We document the vent after cleaning, with camera verification when the run is long or concealed. Then we run the dryer on a no-heat cycle and confirm airflow at the exterior outlet. You see the photos before we leave.
Every bit of that work, including the photos and the airflow check, falls under the 365-Day Done Right Promise. If something does not hold up within a year, we come back and make it right at no charge. That includes a free second visit.
See the difference
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After
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AfterWhat Guardsman Dryer Vent Cleaning Costs in Miami
We do not play the coupon game. We give one flat price per system, in writing, before work starts, and that price includes the full cleaning, not a bait figure that doubles when the technician is inside your laundry room. Here is what Guardsman owners in Miami should expect:
- Standard Guardsman vent cleaning, short run (under 10 feet): $139 to $169. This covers most condo laundry closets in Brickell and Edgewater where the vent punches straight through an exterior wall.
- Long run or multi-story vent (10 to 25 feet): $189 to $249. Common in older Coral Gables and Coconut Grove homes where the laundry room sits mid-house and the vent climbs through an attic.
- Cleaning plus new exterior hood with bird guard: $229 to $289. The price depends on whether we are replacing a cracked Guardsman flap with a metal hood or installing a full bird guard assembly. We show you the old part.
- Added costs when there is a serious blockage or a crushed transition duct: $40 to $90 in labor to clear a fully packed vent, or to remove and replace a crushed transition section. The replacement duct material is quoted at cost with no markup games.
What moves the price is simple: the length of the run, the number of bends, whether the vent is concealed inside a wall or ceiling, and whether you have an inline booster fan that needs cleaning. It is not the brand name. A Guardsman filter kit does not make the cleaning more expensive, and anyone who tells you otherwise is selling something other than a cleaning. Call (850) 660-3272 and we will walk you through the price before you commit to anything.
Why Miami Homeowners Call Hollis Air Duct Miami for Guardsman Work
Most of the calls we get from Guardsman owners in Miami are not the first time they have called a vent company. They are the second time. The first crew quoted a low number, showed up late, and then found reasons to triple the invoice once the dryer was pulled away from the wall. That is not how we operate, and it never has been.
We show up inside the quoted window, in uniform, and the price is on paper before any equipment comes off the van. The 365-Day Done Right Promise means exactly what it says: if the work fails within a year, we come back at no charge, including a free second visit. That guarantee is written, not implied.
Guardsman is a filtration brand, not a dryer brand, so most of the homes we service also have a Lennox, Trane, or Carrier system somewhere in the house. We work on those too, which means we are not walking into your home with a one-track mind. A Guardsman vent cleaning in Miami often turns up a related issue at the exterior hood or the transition duct, and we handle it because we see it across every brand we service.
Roy Castellanos has been running vent and duct crews in Miami for well over a decade, including jobs through Brickell high-rises and older Coral Gables homes. He grew up in Los Angeles and learned his trade fundamentals at Los Angeles Trade-Technical College before years of HVAC and duct work across Southern California. The humidity down here taught him things no classroom covers, and he still answers customer questions himself because he would rather explain a price once than defend a bill twice.
FAQs
No. Cleaning the dryer vent and the external Guardsman filter is routine maintenance, and doing it properly protects the dryer regardless of who manufactured it. We use mechanical cleaning only: a rotary brush and negative-air extraction. No chemicals, no modifications to the dryer itself. Your appliance warranty is not affected by having the vent cleaned.
Every 12 to 18 months for a typical Miami household that runs the dryer three or more times per week. Homes with longer vent runs, humid laundry rooms, multiple pets, or dryers venting through an attic should be closer to every 12 months. The Miami humidity is the biggest variable: lint that would blow through in a dry climate clings and compacts here.
That is a classic sign of a blockage inside the wall or attic section of the vent, not the filter screen. The Guardsman filter catches what reaches it. The lint deeper in the run never makes it that far. In Miami, we regularly find runs that are 60 to 80 percent blocked while the filter screen looks fine. If your dry time has doubled, the vent needs a camera look, not a new filter.
Yes. We stock Guardsman-compatible filter screens and transition ducts on the van, and we carry metal exterior hoods with bird guards that fit standard four-inch vent terminations. If the part you need is a specific Guardsman component we do not stock, we can quote it and return, but most replacements happen the same day because we plan for it.
Most Guardsman vent cleanings in Miami are scheduled within the week. We do not quote same-day service as a standard promise because we do not send a rushed crew into your laundry room. But we answer the phone with a live person 24 hours a day, every day, and we schedule inside a real window. If a vent is fully blocked and the dryer has stopped moving air, call (850) 660-3272 and we will get you on the schedule as quickly as the calendar allows.
Written by Roy Castellanos, Owner, Hollis Air Duct Miami at Hollis Air Duct Miami, serving Miami and nearby areas.