Whole-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.
Fast, Reliable Air Duct Cleaning Across Gateway
Air duct cleaning in Gateway, FL typically costs $350 – $650 for a whole-home residential system and is scheduled by appointment with a written price locked in before work begins. We’re Hollis Air Duct Cleaning, and our crews serve Gateway from our South Florida dispatch office, running rotary brush and negative-air jobs in neighborhoods like Stoneybrook, Magnolia Landing, and the Gateway Greens corridor. If you’re seeing black spots on ceiling vents, smelling musty air when the AC kicks on, or you’ve never had the ducts cleaned since buying your home, call us at (361) 326-5060 for a free estimate. We show up in the window we promised, price it in writing before we touch anything, and back every job with our 365-Day Done Right Promise.
Why Hollis Air Duct Cleaning Is Gateway’s Preferred Air Duct Cleaning Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our Gateway customers know we don’t play the coupon game. Our Air Duct Cleaning team arrives in uniform, background-checked, with the job spec already written down. The price you approve is the price you pay. No per-vent add-ons, no equipment charges that appear after we’re inside.
Phones are answered by a live person 24 hours a day, 7 days a week. Not a callback queue. Not “leave a message and we’ll get back to you Monday.” A real person who can book your appointment or answer questions about what we actually do inside your ductwork.
Our 365-Day Done Right Promise covers every job in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. That’s not a verbal handshake. It’s printed on every invoice.
We know Gateway’s housing stock because we’ve worked inside it. The mid-2000s to 2010s flex duct in unconditioned attics, the R-4 and R-6 insulation that barely meets code, the sagging straps that create low spots where condensation pools. This isn’t generic Florida knowledge. It’s Gateway-specific, and it changes how we approach the job.
Vent Cleaning in Gateway
Vent cleaning in Gateway is often the first sign homeowners notice that something deeper is wrong in the duct system. Those ceiling registers with fuzzy black spots or a layer of gray dust that returns within weeks of wiping? They’re symptoms of what’s happening inside the flex runs above your drywall. In Gateway’s climate, with AC running nearly year-round and dew points in the mid-70s for months at a stretch, the vents become the visible edge of a moisture problem that starts in the attic.
Our vent cleaning process removes the visible buildup, but we also camera-inspect the duct behind it. A vent that looks dirty again after a month usually means there’s a sagging low spot or a leaky return joint pulling humid attic air into the system. We quote that work upfront, in writing, before we start.
A typical vent cleaning as part of a whole-system service in Gateway runs $75 – $125 per vent when done as a standalone, or it’s included in our full-system pricing. We don’t price per-vent on whole-home jobs. One flat price per system, agreed before work starts.
Supply Vent vs. Return Vent Cleaning
Supply vents push conditioned air into your rooms. Return vents pull air back to the handler. In Gateway homes, returns are often the dirtier of the two because they’re the path of least resistance for attic air when the duct joint leaks. We clean both, but we pay special attention to the returns because that’s where the microbial growth often starts.
Construction Debris in New Gateway Vents
Homeowners in newer Gateway builds, especially in gated communities off Gateway Boulevard, are often surprised by the drywall dust and wood shavings we pull from vents that have only been in service for two or three years. Builders don’t clean ducts before handover. They should, but they don’t. We do.
Air Duct Repair in Gateway
Air Duct Repair in Gateway is more common than most homeowners expect, especially in homes built between 2005 and 2015 with flexible ductwork hung by strap rather than rigid support. The problem isn’t age alone. It’s the combination of Gateway’s relentless humidity, oversized AC systems that short-cycle, and duct straps that sag over time, creating low spots where condensation collects and mold takes hold. We’ve replaced entire flex runs in homes that are barely ten years old because the original install was never sealed properly and the sag was never corrected.
Our repair work follows the same standard as our cleaning: written price before we start, background-checked uniformed techs, and the 365-Day Done Right Promise on every joint we seal and every section we replace. We use mastic and mechanical fasteners, not tape that dries out in attic heat. We support reinstalled flex duct with proper strapping to prevent the sag from returning.
Typical air duct repair in Gateway ranges from $200 – $450 for localized sealing and strap correction, up to $800 – $1,400 for full flex-run replacement in an attic. We scope the job with a camera first, show you what we found, and write the price down before we cut anything open.
Sealing Leaky Return Joints
The return side of your system operates under negative pressure. Every leak pulls unconditioned, humid attic air directly into the airflow. In Gateway, that attic air is often 140°F and saturated with moisture. Sealing those joints with mastic and proper mechanical support stops the moisture source that feeds mold growth downstream.
Replacing Collapsed or Torn Flex Sections
We’ve found fully collapsed flex ducts in Gateway attics where the strap failed and the duct kinked shut, starving a bedroom of airflow while the handler works harder. We replace with properly sized flex, support it at intervals that prevent sag, and seal every connection to code.
Trusted Brands We Service in Gateway
Our equipment roster includes Nikro negative-air machines for source removal, Rotobrush rotary brush systems for mechanical agitation inside ductwork, and filtration products from Honeywell and Aprilaire that we install when a Gateway homeowner needs better particle control than the builder-grade filter provides. We don’t show up with a shop vac and a brush on a stick. The tools we use are the same ones commercial crews deploy in hospitals and schools, and we explain what each one does while we’re setting up. If your system needs a filtration upgrade after cleaning, we stock Honeywell and Aprilaire media filters locally and can install same-visit in most Gateway homes.
Common Air Duct Cleaning Problems We See in Gateway Homes
- Black vent spots within 2 – 3 years of construction. In Gateway’s newer gated communities, builder-grade flex duct with sagging straps creates condensation pools that feed mold growth on the inner liner. The black speckling around ceiling registers is often the first visible sign of a problem that’s been developing in the attic since the home was built.
- Drywall dust and construction debris in “new” ducts. We regularly find wood shavings, drywall mud, and even fastener wrappers in Gateway homes that have never been cleaned. The builder’s HVAC sub never vacuumed the rough-in, and the first homeowner breathes that debris for years.
- Musty odors that return after DIY cleaning attempts. Gateway’s humidity makes surface cleaning or fogging treatments worse, not better. Without negative-pressure containment and true source removal, disturbed mold spores redistribute through the supply and return system. We’ve been called in after homeowners made the smell worse with a rented machine.
- Leaky return ducts pulling humid attic air. With AC running constantly from May through September, every return leak is a moisture injection point. Gateway homes with R-4 flex in unconditioned attics are especially vulnerable because the insulation can’t keep the duct surface above dew point during peak humidity.
Pricing for Air Duct Cleaning in Gateway, FL
A typical whole-home residential air duct cleaning in Gateway runs $350 – $650, depending on system size, accessibility, and whether we find conditions that need repair before cleaning can be effective. Commercial systems in Gateway’s low-rise condos and small office buildings typically range $800 – $1,800. Dryer vent cleaning, which we often bundle with duct cleaning, runs $120 – $200 as an add-on.
What moves the price: square footage and vent count, whether the system has flex duct or rigid metal, attic accessibility, and whether we find mold or moisture damage that requires remediation-style work before standard cleaning. We don’t quote over the phone without asking these questions, and we don’t change the price after we arrive. The number on your written estimate is the number on your invoice.
We also offer video inspection as a standalone service for $150 – $250, which we recommend for any Gateway homeowner who’s unsure whether their ducts need cleaning. You’ll see exactly what we see, and we’ll explain what it means for your system. Call (361) 326-5060 to schedule a free estimate or book an inspection.
We Also Serve Cities Near Gateway
Our Air Duct Cleaning in Gateway crews also travel to Jacksonville, Miami, Tampa, and Orlando for residential and commercial duct cleaning, dryer vent cleaning, and duct sealing. Scheduling and dispatch are coordinated from our South Florida office, with local crews serving each metro area. If you’re outside Gateway but within our service radius, the same pricing standards and the same 365-Day Done Right Promise apply.
Serving Gateway, FL - Our Local Coverage Area
We’re based in the Gateway area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Gateway
Because the builder almost certainly did not clean the ductwork before handover. In Gateway’s fast-build communities, HVAC subs run the rough-in, the drywall crew cuts around the boots, and nobody vacums the debris before the system starts circulating air. We regularly pull drywall dust, wood shavings, and fastener wrappers from Gateway homes that are two or three years old. The construction debris is already in your lungs. Call (361) 326-5060 for a camera inspection and we’ll show you exactly what’s in there.
They’re almost certainly mold growing on the inner surface of your flex duct, visible where the vent boot meets the ceiling. In Gateway, builder-grade flex duct hung with straps that sag into low spots collects condensation. That moisture feeds biological growth that appears as black speckling on the vent face within two to three years. We were called to a two-story in the Gateway community of Stoneybrook after the homeowner spotted exactly this pattern on three upstairs registers. Our camera inspection showed standing water in a sagging low spot and mold on the liner. We set up negative pressure with HEPA filtration, used agitation tools for source removal, and re-sealed the leaky joints. The musty odor cleared within a day. This is a Gateway-specific failure pattern driven by construction shortcuts, not normal dust accumulation.
Yes. Gateway sits in Southwest Florida’s humid subtropical zone, where air conditioning runs nearly year-round and dew points in the mid-70s create constant condensation risk inside poorly sealed ductwork. In drier climates, duct cleaning is primarily about dust and allergen removal. In Gateway, it’s often mold-remediation-adjacent work that requires negative-pressure containment, HEPA filtration, and moisture-source correction to be done safely. A crew that treats this like a standard dust-removal job can make the problem worse by distributing spores. We don’t.
Three things: vacuum the rough-in ductwork before sealing, use mastic on every joint instead of foil tape that dries out, and support flex duct with rigid strapping at proper intervals to prevent sagging. Almost none of Gateway’s mid-2000s-to-2010s builders did all three. The result is the condensation-pool mold pattern we see constantly in Stoneybrook, Magnolia Landing, and Gateway Greens. We can’t rebuild your house, but we can clean what’s there, seal what we can reach, and show you where the original construction fell short.
We provide before-and-after photos from inside your specific ductwork, not stock images. We show you the debris volume collected, explain what equipment we used and why, and leave you with a written completion summary. Our 365-Day Done Right Promise means if the musty odor returns, the black spots reappear, or you feel the airflow didn’t improve, we come back at no charge within a full year. No negotiation, no rebooking fees. That’s how you know it was done to standard. Call (361) 326-5060 if you want to talk through what a proper job looks like before you hire anyone.
Ready to see what’s inside your ducts? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free estimate in Gateway. We’ll schedule a time that works for you, arrive in the window we promised, and give you a written price before any work starts. No per-vent games, no equipment surcharges, no price that moves at the door. Just The Garrison Standard: show up squared away, do it by the book, and stand behind it for a full year.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Gateway and Southwest Florida since 2004.




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