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.
Before
After
Before
After
Before
AfterFast, Reliable Air Duct Cleaning Across Keystone
Air duct cleaning in Keystone typically runs $350 – $650 for a full residential system and $800 – $1,400 for commercial jobs, with most homes completed in a single visit. We dispatch crews to Keystone from our Miami coordination office, and our technicians know the difference between a 1987 ranch off Tarpon Springs Road and a newer custom build on acreage near Brooker Creek Preserve. That local knowledge matters because Keystone homes don’t share duct problems with inland Tampa. The salt air, slab-on-grade construction, and attic temperatures that hit 130 – 150°F create failure modes you won’t find in a textbook. Call us at (361) 326-5060 for a free estimate, or read on to see what we actually find in Keystone ducts.
Why Hollis Air Duct Cleaning Is Keystone’s Preferred Air Duct Cleaning Company
We’ve been part of the Garrison Partners family since 2004, and our Air Duct Cleaning crews have worked the Tampa Bay corridor long enough to know which Keystone neighborhoods built out in the 1980s, which filled in during the 2000s boom, and where the slab chases run shallow enough to flood in a hard rain. Our technicians arrive uniformed, background-checked, and inside the quoted window. The price is written before any work starts. Every job carries the 365-Day Done Right Promise: if the work fails within a year, we return and make it right at no charge, including a free second visit. Phones are answered by a live person 24 hours a day, seven days a week. No voicemail loops. No callback queues.
Keystone homeowners aren’t looking for the cheapest coupon in the mail. They’re looking for a crew that won’t track mud through the house, won’t invent a new charge at the door, and will still answer the phone if something goes wrong six months later. That’s The Garrison Standard. It’s operational, not aspirational: arrive on time, price in writing, work by the book, leave the site clean.
Vent Cleaning in Keystone
Vent Cleaning in Keystone means more than brushing off a register cover. Our process pulls each supply and return vent, inspects the boot and collar connection, and agitates the reachable duct length with a rotary brush system before extracting debris under negative air pressure. In Keystone’s 1980s – 2000s ranches, we regularly find vents that look clean from the room but hide disconnected collars behind the wall or crushed flex runs in the attic chase. A typical vent cleaning job in Keystone runs $120 – $220 per system when done as standalone maintenance, or it’s bundled into a full cleaning.
What We Find Behind the Register
Most Keystone homeowners have never seen past the vent cover. We have. Dust compaction is normal. Disconnected flex collars dumping cold air into a 140°F attic is not. We document what we find with before-and-after photos of your own ducts, not stock images.
When Vent Cleaning Becomes Duct Repair
If the rotary brush meets a collapsed run or a boot that’s pulled free from the trunk, we stop and show you. Repair in that moment costs less than calling us back in six months when the bedroom still won’t cool. We price it in writing before we cut anything.
Air Duct Repair in Keystone
Air Duct Repair in Keystone often starts with a homeowner complaint that sounds like a cooling problem: one room never reaches temperature, the system runs constantly, or the electric bill spiked without explanation. The real cause is frequently duct failure, not equipment failure. In Keystone’s slab-on-grade ranches, the same house can have two completely different duct systems – flex duct baking in a 130 – 150°F attic and hard pipe buried in the slab chase – and only a camera inspection tells you which one is broken. Typical air duct repair in Keystone runs $200 – $550 for collar reconnection and Duct Sealing in Keystone, $450 – $900 for flex run replacement, and $1,200 – $2,800 for extensive under-slab chase remediation or flood damage.
Attic Flex Failures
Flex runs sag and crush behind knee walls where Keystone’s original installers tucked them out of sight. The crushed length chokes airflow but stays hidden until a camera finds it. We replace the damaged section, support the new run properly, and seal every joint with mastic and mesh.
Under-Slab Chase Damage
Hard pipe in the slab wicks ground moisture and traps storm silt. After Tropical Storm Debby in 2024, we pulled literal mud from under-slab returns in Keystone homes near the coast. Surface cleaning doesn’t touch that. We agitate and extract under HEPA negative pressure, or we recommend replacement when the pipe is compromised.
On a 1986 ranch off Tarpon Springs Road near the Brooker Creek Preserve edge, our tech pulled a supply register and found the flex collar disconnected at the trunk, dumping cold air into the attic while the bedroom never cooled. Camera inspection showed the under-slab return chase lined with silt from the previous season’s storm flooding, so we cut out the wet flex run, sealed the collar with mastic and mesh, and ran HEPA-filtration negative pressure on the return before treating the interior with an antimicrobial.
Trusted Brands We Service in Keystone
We carry professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, and we stock filtration products from Honeywell, Aprilaire, and Guardsman. For Keystone homeowners, that means no waiting on parts shipped from Atlanta. If your system needs a new media filter, a UV treatment upgrade, or replacement flex duct with the right R-value for a 140°F attic, we have it on the van or can source it within 24 hours. Our Miami coordination office maintains the inventory pipeline, but the crew that shows up at your door in Keystone carries what they need to finish the job in one trip.
Common Air Duct Cleaning Problems We See in Keystone Homes
- Attic flex crushed behind knee walls. Keystone’s 1980s – 2000s ranches were built with R-4 or R-6 flex duct that sags over decades and gets compressed where it passes through tight framing. Airflow chokes gradually. Homeowners blame the AC unit. The real problem is a 3-foot flattened run visible only on camera.
- Disconnected collars dumping conditioned air into the attic. The mastic and tape used in original Keystone construction dries and fails in attic heat. A slipped collar at the trunk line wastes 15 – 25% of cooling capacity and raises humidity inside the duct that remains connected, feeding mildew growth.
- Under-slab returns pulling damp soil air. Keystone’s high water table and summer downpours push moisture into slab chases. The return side pulls that damp air straight into the system. Surface cleaning of the register boot doesn’t touch the chase interior.
- Post-storm salt silt and biological growth. After named storms or tropical systems, duct cleaning calls in Keystone often aren’t maintenance jobs at all. Salt-laden gulf water pushes silt and mold through attic flex runs and slab chases. Sometimes cleaning works. Often the duct needs replacement. We tell you which before we start.
Pricing for Air Duct Cleaning in Keystone, FL
Honest pricing for Air Duct Cleaning in Keystone looks like this: a typical full residential system cleaning runs $350 – $650, commercial systems run $800 – $1,400 depending on square footage and access, and standalone vent cleaning runs $120 – $220. Air duct repair ranges from $200 – $550 for minor sealing and collar work up to $1,200 – $2,800 for extensive under-slab remediation or flood damage. What moves the number? Attic accessibility, the condition of original flex duct, whether we find disconnected runs that need repair before cleaning is worthwhile, and whether post-storm conditions have pushed silt deep into slab chases. We do not quote per-vent teaser prices that balloon at the door. We inspect, we write the full price, and that number does not move once work begins. Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Keystone
Our crews work throughout the Tampa Bay corridor and beyond, including Keystone, Jacksonville, Miami, Tampa, and Orlando. Dispatch and scheduling are coordinated from our Miami office, with local technicians serving each market. If you’re outside Keystone but in our service area, the same pricing discipline and 365-Day Done Right Promise apply.
Serving Keystone, FL - Our Local Coverage Area
We’re based in the Keystone 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 Keystone
The musty smell usually means moisture is still entering the system from a source the previous cleaner didn’t address. In Keystone, we most often find under-slab return chases wicking ground moisture, or attic flex runs with disconnected collars that let humid attic air condense inside the duct. A surface cleaning doesn’t fix either problem. We run a camera inspection to locate the moisture source, then seal or replace the affected section before re-cleaning. Call (361) 326-5060 and we’ll diagnose it properly.
We use a video inspection camera to evaluate three things: structural integrity of the flex liner, whether the insulation is saturated or degraded, and whether the wire helix is corroded from Keystone’s salt-laden attic air. If the liner is intact and the insulation is dry, rotary brush cleaning with negative-air extraction works. If the liner is torn, the insulation is wet or crumbling, or the wire is rusted through, replacement is the only durable fix. We show you the camera footage and price both options in writing before you decide.
Yes, the combination of 60 – 80%+ year-round humidity and near-constant AC operation means Keystone ducts accumulate biological growth faster than inland systems that cycle off long enough to dry. The gulf moisture also degrades mastic and tape seals more aggressively. We recommend inspection every 2 – 3 years in Keystone versus 3 – 5 years for drier inland markets, with cleaning intervals based on what the camera shows, not a calendar. Call (361) 326-5060 to schedule an inspection and we’ll give you a specific recommendation for your system.
Floodwater in Keystone typically enters under-slab chases and attic penetrations, carrying salt silt and organic debris that coats duct interiors. Surface cleaning leaves the worst contamination in place. We evaluate with a camera first. If the water was clean rainwater and the duct structure is sound, HEPA negative-air extraction with antimicrobial treatment may suffice. If saltwater or sewage was involved, or if the flex liner is compromised, we recommend replacement to prevent ongoing corrosion and mold recurrence. We document everything and price the work before we start.
It’s practical to combine them if both are due. Dryer vent cleaning in Keystone runs $120 – $180 as a standalone service, or we bundle it at reduced trip charge when we’re already on site for duct work. Keystone’s humidity means lint compacts more densely in vent lines, and the longer runs common in ranch-style homes increase fire risk if airflow is restricted. We inspect the full vent path to termination and provide before-and-after airflow readings. Call (361) 326-5060 to add it to your appointment.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Keystone since 2004.