Whole-home duct cleaning
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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.
Honeywell Vent Sanitizing: The West Palm Beach Owner’s Guide
If your Honeywell vent sanitizing component has failed, here’s the straight answer: Linden Air Duct West Palm Beach stocks Honeywell-compatible sanitizing parts and installs them for a typical all-in range of $385 to $720, depending on which Honeywell series you have and how much of the mounting assembly needs to go with it. We carry the common replacement cartridges, UV bulb assemblies, and control modules on the truck, so most West Palm Beach jobs are done in one visit.
Most owners don’t notice the sanitizing side of their system until something changes: a faint ozone smell disappears, the little indicator light stops showing, or a service tech points out the bulb burned out months ago. The truth is these parts wear quietly. In West Palm Beach, where the AC runs hard from April through October, a Honeywell sanitizing lamp that would last four years up north often gives out in two and a half to three. Heat and runtime are the two things that shorten it, and Florida gives you both. Marcus Veale has pulled enough dead Honeywell bulbs out of Flamingo Park attics to tell you exactly what you’re looking at before he touches a tool.
Which Honeywell Models This Applies To
The Honeywell vent sanitizing line covers a few distinct systems, and the part is not interchangeable across all of them. The most common units we see in West Palm Beach homes are the Honeywell UV2400 series (the whole-house UV air purifier that mounts in the supply plenum) and the Honeywell UV100A “Surface Treatment System,” which mounts near the coil. There’s also the smaller portable Honeywell HFD units, but those are a different animal entirely and we’ll tell you if you’re better off replacing the whole unit.
Here’s what matters: the Honeywell replacement UV bulb for the UV2400 is a 36-watt, four-pin lamp that only fits that series. If someone tries to sell you a generic 24-watt bulb and tells you it’s “close enough,” it isn’t. The wattage difference means lower output and a bulb that will not seat correctly in the socket. For the UV100A, the bulb is smaller and single-ended. Before you order anything, check the label on the metal housing: the model number is printed right on the access panel. We also keep quality aftermarket equivalents for Honeywell on hand for some series, and we’re happy to explain what’s different about them. The aftermarket bulbs we carry meet the same output spec, but the OEM Honeywell lamp is always an option if you want exact factory match.
One compatibility gotcha that trips people up: the UV2400’s ballast is built into the bulb base. If you replace just the bulb without confirming whether the ballast was also the point of failure, you’ll often burn through a new lamp in a matter of weeks. If your old bulb looks blackened at the base or flickered before it died, the ballast is likely gone too, and the full cartridge assembly is the smarter fix. We diagnose this before quoting, not after opening up your system.
We’re an independent service provider, not affiliated with Honeywell, but we’ve worked with their sanitizing equipment in West Palm Beach homes for years and we order Honeywell OEM parts directly through our suppliers.
Styles & brands we work with




Signs Your Honeywell Vent Sanitizing Is Failing
- The indicator light stopped glowing. Most Honeywell sanitizing units have a small LED on the housing that confirms lamp operation. When it goes dark, the bulb has either burned out or lost connection at the socket. If the light flickered first, that’s usually the ballast or a loose pin, not just the bulb.
- You notice a faint electrical smell near the air handler. That’s the ballast overheating, and it’s the one symptom we tell people not to ignore. Unplug the unit and call us. A hot ballast can melt the housing and scorch nearby insulation.
- Increased dust or musty odor around the supply vents. The sanitizing lamp in a Honeywell system is doing real work against bacteria and mold on the coil. When it dies, that work stops. Within a few weeks in humid West Palm Beach air, you’ll often smell the difference.
- Condensation inside the viewing port. On the UV100A especially, moisture getting into the lamp chamber means a failed seal or a cracked quartz sleeve. It will kill a new bulb fast if you don’t address the seal first.
- Your electric bill crept upward. A failing Honeywell ballast can draw irregular current before it fails completely. It’s a small component, but a lazy ballast running hot for months isn’t free to operate, and it’s an early warning of a full failure.
See the difference
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After
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Before
AfterReplacement Cost & What’s Included
For a Honeywell UV bulb or sanitizing cartridge swap in West Palm Beach, the typical installed range is $385 to $720. Where you land depends on the series and what actually failed. A straight bulb replacement on a UV100A runs toward the lower end. A full UV2400 cartridge with a new ballast and a quartz sleeve runs toward the upper. If your mounting plate or wiring pigtail also needs replacing, that adds modestly, and we’ll show you the line item before we touch anything.
Every job gets a written price before work begins. Not a range, not a ballpark: the exact number, in writing. You’ll see the part cost and the labor separated so you know what you’re paying for. The work is covered by our written guarantee, and if the repair fails within the coverage period, we come back at no charge and make it right. That’s the 365-Day Done Right Promise, and it’s been our standard since 2004.
Honeywell OEM bulbs are not cheap and they shouldn’t be fake. If a quote comes in well below $200 for a UV2400 bulb swap, someone is either selling you a knockoff or planning to upsell once the system is opened. This is a case where the low number is the warning sign.
DIY or Call Us?
Let’s be straight about the risk. The lamp housing on a Honeywell sanitizing unit runs on line voltage, and the bulb itself needs to be handled carefully: skin oils on the quartz shorten its life and can cause hot spots. If you’re comfortable with basic electrical work, replacing a plug-in portable unit is manageable. But for anything mounted in the duct or wired into the air handler, an incorrect wiring connection is a fire risk you don’t want in an attic. High voltage, confined space, and a dead component that may have melted its own housing: that’s a trained professional’s job.
What you can safely check: confirm whether the unit has power, look at the viewing port for condensation, and read the model number off the access panel before you call. That last one saves everyone time. If you’re in West Palm Beach and want a straight diagnosis, call (728) 231-8154 and we’ll walk you through what to look for. If I wouldn’t leave it in my own ceiling, I’m not leaving it in yours.
FAQs
In West Palm Beach, expect two to three and a half years of useful life, not the four to five the manual suggests. Heat and high runtime are hard on these lamps, and our coastal humidity pushes moisture into ductwork that shortens the quartz sleeve’s life too. Call (728) 231-8154 if yours has died early and we’ll check whether the ballast is the real culprit.
Most failures are repairable. The bulb, ballast, and quartz sleeve are all replaceable parts, and the housing itself rarely needs to go unless there’s physical damage. The key is diagnosing the actual failed component before replacing parts, which is where most one-price-fits-all services get it wrong.
For most Honeywell vent sanitizing replacements in West Palm Beach, you’re looking at 45 to 90 minutes from arrival to cleanup. That includes testing the new lamp, checking the seal, and confirming the indicator light is functioning. If the mounting assembly needs work, plan for a bit longer.
We keep the common Honeywell UV bulbs, cartridges, and ballasts stocked for the UV2400 and UV100A series, along with quality aftermarket equivalents from Rotobrush, Nikro, Lennox, Trane, and Carrier parts we use across other system types. If your model needs a less common part, we order it from our supplier and schedule you as soon as it arrives, with the exact price confirmed before you commit.
If the covered repair fails during the 365-day guarantee period, we return and fix it at no additional cost to you. That includes the second visit, the replacement part, and the labor. It’s in writing on every repair job, no fine-print exceptions for Florida’s humidity or anything else.
If your Honeywell vent sanitizing unit is dead or fading in West Palm Beach, call (728) 231-8154 for a free estimate. We’ll give you a real price before any work begins, send you the technician’s name and photo before the visit, and show you a photo ID badge at the door. Marcus Veale and the team at Linden Air Duct West Palm Beach have been serving this area’s ductwork since 2004, and the phone is answered by a real person any time you call.
Written by Marcus Veale, Owner, Linden Air Duct West Palm Beach at Linden Air Duct West Palm Beach, serving West Palm Beach and nearby areas.