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 Queens Owner’s Guide
If you own a Honeywell air purification system with UV vent sanitizing and the lamp or ballast has stopped working, we stock the replacement parts and install them for $280 – $520 in Queens, depending on your model and whether the ballast needs changing too. Most Honeywell vent sanitizing repairs take under two hours once we’re at the house, and we carry the common lamps and ballasts on the truck so there’s no second trip. You’ll usually notice the problem because the blue glow visible through the return vent is gone, or the indicator light on your thermostat or control panel has turned red or gone dark. Sometimes the system just stops producing that faint ozone smell near the air handler that you’d gotten used to, and that’s often the first clue something’s not right.
Honeywell vent sanitizing systems get installed inside the ductwork near the coil or return plenum, which means nobody sees them until something fails. The UV-C lamp inside is the workhorse: it runs constantly to kill mold, bacteria, and biofilm on the coil and in the air stream, and when it burns out, the system is just a dead bulb in a metal tube. Queens homeowners call us after noticing musty air returns, unexplained allergy flare-ups, or water on the floor near the air handler because the coil froze without the UV keeping it clean.
Which Honeywell Models This Applies To
We service the Honeywell UV Air Purifier line (commonly the UV100A, UV2400U5000, and UV500A series), as well as newer Honeywell UV systems that pair with their HomePRO and Whole House Air Purifier series. These are coil-mounted or duct-mounted units, and the model number is printed on a white label on the aluminum housing, usually near the access door or end cap. If you can’t read the label, we can identify the right lamp by removing the old bulb and measuring it: most Honeywell lamps are either 10-inch or 17-inch tubes, and the wattage is stamped on the bulb base.
The important compatibility point with Honeywell is the lamp-and-ballast pairing. Honeywell UV systems use electronic ballasts that are matched to a specific lamp wattage. You cannot drop a higher-wattage aftermarket lamp into an original Honeywell ballast and expect it to fire. We install OEM Honeywell lamps when they’re available, which they usually are for the UV100A and UV2400 series, and when a customer wants to save a little, we offer an aftermarket equivalent only if it matches the exact wattage and base style of the original. The wrong lamp will either not ignite, or it will overdrive the ballast and shorten the life of both parts.
One more thing to know: some Honeywell vent sanitizing systems sold in the 2000s and early 2010s are now discontinued, and their OEM lamps are no longer manufactured. For those models, a quality aftermarket lamp is the only option. We carry those too, because there are a lot of those older systems still running in Forest Hills co-ops, Kew Gardens garden apartments, and converted homes across Queens.
Styles & brands we work with




Signs Your Honeywell Vent Sanitizing Is Failing
- The blue UV glow is no longer visible through the return vent or the view port on the lamp housing. This is the most direct sign. Honeywell UV lamps have a rated life of about 8,000 to 9,000 hours, which is roughly one full year of continuous operation. If the lamp is dark, it’s almost certainly reached end of life.
- The indicator light on the control box or wall panel is off, red, or blinking. On Honeywell systems with a status light, a solid red or a flashing pattern usually means the lamp has failed or the ballast is not supplying voltage to the lamp. A dark status light on a system that’s getting power often points to the ballast, not the lamp.
- You’ve noticed a musty or sour smell coming from the vents, especially when the AC first kicks on. Mold grows fast on a cooling coil once the UV light is out. In Queens humidity through July and August, that coil stays wet, and without the UV killing the biofilm, the smell travels through the ductwork to every room.
- Your allergies or asthma symptoms got worse indoors, not better. A working Honeywell UV system dramatically reduces airborne mold spores and VOCs. When it stops working, especially during pollen season, people notice their indoor air feels the same as outside air, or worse.
- The air handler or furnace is short-cycling or the coil is icing up. A biofilm-coated coil restricts airflow. The system works harder, runs longer, and sometimes freezes. If you see ice on the refrigerant lines or water pooling under the unit, the UV lamp may have been out for weeks and the coil needs cleaning along with the lamp replacement.
Replacement Cost & What’s Included
In Queens, replacing a Honeywell vent sanitizing lamp runs $280 – $380 for the lamp and installation on most single-lamp systems. If the ballast also needs replacing, which is common when the lamp has been dead for months, expect $420 – $520 total. We write the price down before any work begins, and it includes the part, the labor, a full inspection of the lamp housing and wiring, and disposal of the old lamp and ballast. There is no per-vent pricing, no coupons that balloon into a bigger invoice, and no add-on fee for showing up.
The range exists because some Honeywell systems use a combination lamp-and-odour-reduction bulb, and those dual-bulb units cost more for the part. Access is another factor: if the UV unit is installed in a tight crawlspace or high on a return plenum that requires a ladder and extra care, the labor goes up a little. You’ll know the exact cost before we touch a single screw. Every vent sanitizing repair we do is covered under our written 365-Day Done Right Promise: if it fails within a year, we come back and fix it at no charge.
DIY or Call Us?
Here’s the honest version. You can safely check the basics: look for the blue glow through the view port, check the status light, and confirm your thermostat or control panel has power. You can also safely unplug the system and remove the old lamp to read the model number or measure the bulb. That information helps us quote the job accurately over the phone.
But replacing the lamp or ballast yourself is where I’d stop, and not because the job is hard for us. UV-C lamps contain mercury, and a cracked bulb releases mercury vapor into the air stream. The lamp is also running at high voltage through the ballast, and an unplugged system can still hold a charge in the capacitor for a while. We’ve also seen several Queens apartments where the homeowner bought a cheap lamp online, forced it into the socket, and cracked the quartz sleeve. That’s a contaminated-coil cleanup that costs more than the original repair ever would have. If you’re not sure, call us at (845) 237-0925 and we’ll talk you through what you’re seeing before you spend a dollar.
See the difference
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AfterHow long does a Honeywell UV vent sanitizing lamp last?
Most Honeywell UV lamps are rated for 8,000 to 9,000 hours of run time, which works out to roughly one year of continuous operation. After that, the lamp’s UV output drops below the level that actually kills mold and bacteria, even if it still glows blue. We recommend replacing the lamp every 12 months in Queens homes because the AC runs hard through the summer, and the UV system is working constantly against the humidity that keeps coils wet. Call us at (845) 237-0925 and we can look up your model’s exact rated hours.
Can the ballast be repaired instead of replaced?
No. Ballasts are sealed electronic components, and once they fail, they’re not repairable. We replace them. The good news is a new ballast typically costs $140 – $180 for Honeywell-compatible units, and it restores the system to full function. We always test the ballast before we replace it, because sometimes the lamp is the only failed part, and replacing the ballast too would be charging you for a part that was still fine. Call (845) 237-0925 and we’ll tell you exactly what your model needs.
How long does the replacement take?
Replacing a Honeywell vent sanitizing lamp and ballast usually takes 45 minutes to two hours, with most jobs landing right around an hour. We send you the technician’s name and photo before the visit, and that tech arrives in a marked uniform with a photo ID badge at the door, every time. If the coil next to the UV unit is visibly fouled, we’ll show you the before-and-after on camera, and we can clean the coil while we’re there. We don’t rush the job, and we don’t leave until the system fires and the UV output is confirmed.
Do you stock Honeywell vent sanitizing parts on the truck?
We stock the most common Honeywell UV lamps and ballasts on the truck, including lamps for the UV100A and UV2400 series, along with aftermarket equivalents for discontinued Honeywell models that are common in Queens housing. For less common models, we order the part and schedule the install for the next available day, usually within 2 to 3 business days. We also stock parts for Lennox, Trane, and Carrier systems, so if your HVAC setup is mixed-brand, we can usually handle everything in one visit. Call (845) 237-0925 and give us your model number; we’ll tell you right then if the part is on the truck or needs ordering.
Written by Marcus Veale, Owner, Linden Air Duct Queens at Linden Air Duct Queens, serving Queens and nearby areas.
Need a Honeywell vent sanitizing lamp replaced today? Call (845) 237-0925 for a free estimate over the phone. We’ll confirm your model, tell you the exact price before any work begins, and send a verified technician with a photo ID badge to your door. Marcus and the crew have been keeping Queens indoor air clean since 2004, and the duct doesn’t lie. Neither do we.