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.
Why Jacksonville Homeowners Choose Lennox Air Duct Cleaning
Linden Air Duct Jacksonville provides independent Lennox Air Duct Cleaning services, repair, and sealing across Jacksonville, FL. We work on Lennox equipment daily – from Dave Lennox Signature Collection systems in Avondale to Merit Series units in Nocatee – and we know how this coastal climate ages ductwork, coils, and air handlers. We are not affiliated with or authorized by Lennox. What that means for you: we call out what actually needs cleaning or repair, based on what we find in your ducts and air handler, and we warranty our labor on every Lennox job. Call (904) 329-7854 for a straight answer and a written price before any work begins.
Why Trust Linden Air Duct Jacksonville for Your Lennox Air Duct Cleaning?
Lennox systems are built well, but they still breathe Jacksonville air. Salt, humidity, pollen, and the fine sand that blows in from the coast get pulled through return ducts and deposited on evaporator coils, blower wheels, and inside flex duct runs. Our technicians understand how Lennox in Jacksonville Beach and inland areas ages here specifically. We have seen how flexible duct in hot Jacksonville attics loses its inner liner, how Lennox blower wheels in homes running continuous fan for humidity control get coated with a gray paste of dust and mold spores, and how return plenums separate at crimped collars and start pulling attic insulation into the airstream. Marcus Veale, owner at Linden Air Duct Jacksonville, learned the mechanical side of HVAC through the sheet metal and air conditioning program at Los Angeles Trade-Technical College, and he has spent the better part of two decades doing this work. He built a reputation on not overselling. If your ducts are fine, he says so. If they are not, he will show you the video before quoting a number.
Every Lennox job we do in Jacksonville follows the same rules we apply to every other system: the price goes in writing before work starts, the technician’s name and photo arrive before the visit, and that technician shows a photo ID badge at your door. The Threshold Standard applies to every job – background-checked, identity-verified, photo-badged. No exceptions.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Fix in Jacksonville
- Flex duct deterioration in attic runs. Lennox installations in Jacksonville attics regularly use flexible duct. After several summers of 140-degree attic heat and high humidity, the inner liner of that flex duct cracks and separates. The result: conditioned air leaks into the attic, and the system pulls harder to hold temperature. We identify failed sections, replace them with OEM-grade flex duct, and seal every connection with mastic.
- Evaporator coil fins clogged with pet dander and coastal sand. In homes near the beaches and intracoastal – and really anywhere in Jacksonville with a shedding dog – Lennox Merit and Elite evaporator coils pack with fine debris. Airflow drops, the coil can freeze, and the system runs longer for the same comfort. Coil cleaning is part of thorough duct cleaning on Lennox systems, not an add-on we mention after the fact.
- Blower wheels coated in fine dust and mold spores. Lennox air handlers running continuous fan for humidity control – common in Jacksonville’s swampy summers – collect a dense coating on the blower wheel. That coating reduces airflow, throws the wheel out of balance, and is exactly where that musty smell comes from when the AC first kicks on. We pull and wash the blower wheel when the buildup warrants it.
- Return duct plenums separating at flex duct collars. Many Lennox installations in Jacksonville use crimped collars at the return plenum. Over time, the flex duct slips off the collar, and the system starts pulling hot, humid attic air and loose insulation directly into the air handler. A Mandarin homeowner called us because their Lennox EL296V was short-cycling and the vents smelled musty. Our video inspection showed a return flex duct sagged off its collar in the attic, pulling attic air and insulation straight into the air handler while the supply ducts were packed with years of dust. We reattached and sealed the return with mastic, cleaned both supply and return runs, then washed the blower wheel and evaporator coil. The system held 68°F with no odor afterward, and the short-cycling stopped.
- Supply ducts packed with years of dust in older Jacksonville homes. Homes in Riverside, Avondale, and Springfield built before 1950 often have hard metal ducts that have not been cleaned in decades. Some still carry residue from coal-fired heating systems or vintage window units. These systems need true negative-pressure extraction – not a shop vac run through one open vent – to get the built-up debris out without pushing it into the living space. We run Rotobrush or Nikro equipment sized for the job and show before-and-after photos of your ducts.
Lennox Parts & Our Repair-vs-Replace Approach
When a Lennox duct system needs repair, we use OEM-grade components – flex duct, collars, mastic, and sealing materials that meet or exceed the original spec. We do not cut corners with cheap flex duct from a big-box store that will fail in two Jacksonville summers. But we also do not replace what has not failed. If your metal trunk line is solid and the problem is deteriorated flex runs and leaking collars, that is what we fix. A full duct replacement is a real job with a real price tag, and we will tell you plainly if your ducts do not need it. Call (904) 329-7854 to talk through what you are seeing. Tell us what is going on and we will tell you if it is worth fixing.
Our Lennox Service Process – Step by Step
- 1
Diagnosis. We inspect the full duct system – supply, return, plenums, registers – with a video camera. On Lennox systems we look specifically at flex duct liner condition, collar connections at the plenum, coil face condition, and blower wheel buildup. You see the video. You decide.
- 2
Cleaning and repair plan. We write a scope of work with a hard number attached. That price covers what we agreed to – no surprise invoice at the end. Supply duct cleaning, return duct cleaning, duct sealing, air handler cleaning – whatever the system needs goes in the written price.
- 3
Cleaning and repair. Negative-pressure extraction on supply and return runs. Sealing at every accessible joint. Coil and blower wheel work where found necessary. We use professional Rotobrush and Nikro equipment. Before-and-after photos document the work.
- 4
Test and verify. After sealing, we re-check airflow and temperature differentials. On a recent Mandarin job we verified the system held 68°F with no odor after the return was reattached and sealed.
- 5
Warranty in writing. Every repair gets a written guarantee. If a covered repair does not hold, we come back at no charge. That is the 365-Day Done Right Promise, in writing, every time.
See the difference
Before
After
Before
After
Before
AfterLennox Products We Service & Install in Jacksonville
We service duct systems and air handlers across the Lennox lineup. Dave Lennox Signature Collection equipment – SLP98V furnaces, XC25 and XC20 air conditioners – Elite Series units like the EL296V furnace and EL22XPV heat pump, and Merit Series systems including the ML180 and ML14XP1. We also work on Lennox Healthy Climate duct components and PureAir air purification systems, including media cartridge checks and cleaning around the UV assembly. If it moves air through a Lennox system in Jacksonville Lennox service areas, we have worked on it.
We Also Service These Brands
Lennox in Orange Park and across Jacksonville is a big part of what we see, but it is not the only system we work on. We service and clean duct systems for Trane and Carrier equipment as well. The ductwork, coils, and air handlers have a lot in common across brands – the difference is knowing how each system ages in this climate, and we do.
FAQs – Lennox Air Duct Cleaning Service in Jacksonville
No. We are an independent provider – not a Lennox authorized dealer or service contractor. That independence matters because we are not bound by a manufacturer checklist. We report what the video shows and fix what has actually failed, and we warranty our labor on every Lennox job regardless of authorization status.
For duct system repairs – flex duct, collars, mastic, and sealing materials – we use OEM-grade components that meet or exceed Lennox specs. For mechanical parts that fail inside the air handler or furnace, we follow the same repair-vs-replace logic: install what belongs, replace only what failed, and never sell a part the system does not need.
Duct cleaning done properly does not harm variable-speed compressors or zoning controls. But we do pay attention to zoning dampers during cleaning – in Jacksonville’s humidity, damper motors can stick, and a zone damper that is not opening fully is sometimes the real reason one room runs hot while the XC25 ramps up and down. We check damper operation as part of the diagnostic and tell you if a damper issue is reducing airflow before we touch the ducts. Call (904) 329-7854 for an exact assessment – estimates are free.
Yes. When we clean ducts on homes with a Lennox PureAir system, we inspect and clean around the UV assembly and check the media cartridge. PureAir cartridges saturate over time – especially in Jacksonville where we run air conditioning nearly year-round – and a saturated cartridge will not do what it is designed to. We will tell you if the cartridge needs replacing and what it costs before any work happens.
If the trunk line is accessible – in an attic, crawl space, or unfinished basement – yes. We seal accessible joints and seams with mastic from the outside. If the leak is inside a finished ceiling or wall cavity, we will tell you honestly that access requires opening drywall, and that is a different scope of work with a different cost. No vague promises – you will know what is reachable before the job starts.
That smell is almost always microbial growth on the evaporator coil or in the condensate pan. Duct cleaning removes debris, but if the coil itself is not cleaned and the pan is not treated, the odor returns as soon as the coil gets cold again. On Lennox systems in Jacksonville, this is common because the coil stays damp for months. We clean the coil and address the pan as part of a full air handler cleaning. Call (904) 329-7854 and tell us what you are smelling – we will tell you if it is worth fixing, and what the job should cost.
Not usually. Condensation dripping from an attic unit is typically a drain line or pan issue, not a duct issue. During a Lennox service visit we check the drain line, pan, and pitch of the air handler, and we will tell you if the drip is a simple clog or a bigger drainage problem. Duct cleaning alone will not stop a leak at the air handler – and we will not sell it to you as if it will.
Whole-system air duct cleaning in Jacksonville typically falls between $450 and $950 depending on the size of the home, the number of returns, and how much buildup is present. Homes in older neighborhoods like Riverside with decades of residue, or large two-story production homes in Bartram Park and Nocatee with long flex runs, tend toward the higher end. We give one flat price per system in writing before work begins – no per-vent pricing, no add-ons discovered mid-job. Call (904) 329-7854 for a firm quote. Estimates are free.
Book Your Lennox Service in Jacksonville, FL
If your Lennox system is moving air through Jacksonville ducts that have not been cleaned in years, or you hear airflow dropping room by room, call us. A real person answers the phone 24/7 – no voicemail loops. We will schedule the visit, send the technician’s name and photo before we arrive, and put your price in writing before any work begins. Call (904) 329-7854 today.
Written by Marcus Veale, Owner at Linden Air Duct Jacksonville, serving Jacksonville since 2004.