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 Woodland Hills Owner’s Guide
We stock Honeywell-compatible vent sanitizing parts and install them throughout Woodland Hills, with most replacements running $285 to $520 installed depending on your system’s configuration. Most Woodland Hills homes we service get same-week scheduling, and we carry the common Honeywell UV and ionizer-style sanitizing components on our trucks. The way most owners discover theirs has failed is pretty consistent: the indicator light on the unit goes dark, or the faint ozone smell that used to kick on with the blower simply stops happening. Either way, you’re here because a part quit, and we can get the right one in your system without the guesswork.
If you’re calling around Woodland Hills, know this upfront: Cardinal Air Duct Woodland Hills is an independent service provider. We are not affiliated with Honeywell, and we don’t pretend to be. What we do have is direct experience with their vent sanitizing equipment across the San Fernando Valley, a written price before any work starts, and a 365-Day Done Right Promise that means if the replacement isn’t right, we come back and make it right at no charge.
Which Honeywell Models This Applies To
Honeywell’s vent sanitizing line splits into two families: the surface-mount UV stick systems (like the UV2400 series and the smaller UV100 series) that mount inside the supply plenum or ductwork, and the in-duct ionizer bars that run current across specific air handler models. The compatibility gotcha we see in Woodland Hills homes, especially older ones near Warner Center, is that the UV100 series ships with both 120V and 24V ballast options, and if you order the wrong one, the lamp never fires. The model sticker on the ballast housing is the only reliable way to know which you have. Do not rely on the lamp model printed on the bulb itself, because we’ve seen mismatched lamps installed by handymen that technically fit but run at the wrong wattage.
For OEM versus aftermarket: Honeywell OEM lamps and ballasts are well built, but their pricing on replacement UV bulbs has crept up noticeably over the last few years. For the UV100 and UV2400 series, we’ve installed both OEM and quality aftermarket lamps from the same manufacturers that build for Honeywell and have not seen a meaningful lifespan difference. What we do not recommend is the no-name lamps on marketplace sites. We’ve pulled bulbs out of Woodland Hills attic installs that were six months old, already dimmed below the output needed to do anything, and the homeowner paid for a full replacement twice. If you’re coming from a quote that seems suspiciously cheap, ask which lamp they’re actually installing.
Styles & brands we work with




Signs Your Honeywell Vent Sanitizing Is Failing
- The indicator light is out or flickering. This usually means the ballast has failed, not the lamp. A flickering light is often a ballast on its way out, and it will take the new lamp with it if you ignore it for too long.
- The lamp has been in service over 12 months. UV-C output degrades on a predictable curve, and in Woodland Hills, where the AC season runs long, most UV lamps are functionally done around the 12 to 14 month mark even if the bulb still glows visibly. Glowing doesn’t mean sanitizing.
- You smell a faint electrical or plastic odor near the air handler. That’s not normal. We’ve found cracked ballast housings from heat cycling, and once a ballast arcs, it should be shut off and replaced, not left running.
- The air feels dustier or family allergy symptoms have ticked up. If the system was noticeably improving air quality and that benefit faded, the sanitizing element is likely below effective output. It’s a slow fade, not a loud failure, which makes it easy to miss.
- The system is original to a furnace replacement from years ago. We regularly see sanitizing units left in place when the HVAC gets swapped, and the new blower or control board doesn’t communicate with the old sanitizing unit the same way. A unit can be “dead” not because it failed, but because it was orphaned during an install.
See the difference
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After
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AfterReplacement Cost & What’s Included
In Woodland Hills, most Honeywell vent sanitizing replacements fall between $285 and $520 installed. The range breaks down like this: a UV lamp-only swap with no ballast work typically runs $180 to $260. A ballast plus lamp replacement on a UV100 series runs $285 to $380. A full UV2400 head, ballast, and lamp replacement runs $400 to $520 depending on whether the existing mounting hardware can be reused or we’re fabricating a new mount in the plenum. Ionizer bar replacements land in the $350 to $500 range because the part itself is more expensive.
Every quote includes the part, the labor, disposal of the old lamp (which contains mercury and should not go in your regular trash), and a written warranty on the repair. You get the price before we touch a single screw, and it doesn’t change at the door. Omar Haddad has spent enough time in Woodland Hills attics to know that pricing surprises are the fastest way to lose trust, so the number we quote is the number you pay.
DIY or Call Us?
Let’s be straight about what’s safe and what isn’t. You can safely check the indicator light, confirm the model number on the ballast sticker, and even pull the lamp and visually inspect it for dark spots at the ends. That inspection doesn’t require tools or electrical work. But replacing the ballast or wiring a new lamp into the line voltage side of your HVAC system is where we tell people to stop. You’re working inside a plenum, often with 120V wiring, and the lamp itself contains mercury, which means a broken lamp creates a cleanup problem you don’t want in your ductwork. The safety caveat is real: line-voltage HVAC circuits deserve a trained professional, not a YouTube tutorial.
If you want to confirm what failed and then let us handle the actual swap, that’s a perfectly reasonable path. Call (559) 295-5878, tell us the model number from the ballast sticker, and we’ll quote the exact part and installed price before we schedule the truck.
FAQs
A Honeywell UV lamp used for vent sanitizing lasts about 12 to 14 months in Woodland Hills before UV-C output drops below effective levels, even though the bulb may still glow visibly after that point. We recommend annual lamp replacement, and we’ll flag it on every visit if your unit is nearing the end of that window. Call (559) 295-5878 for a replacement quote.
No, a failed Honeywell ballast is a sealed electronic component and not realistically repairable in the field, so replacement is the only dependable fix. We keep the common UV100 and UV2400 ballasts stocked on our trucks so the swap is usually one visit. Call (559) 295-5878 and we’ll verify your model and confirm the part is on hand.
Most Honeywell vent sanitizing replacements take 45 to 90 minutes from start to finish, including mounting, wiring, and a lamp output test before we pack up. If we’re fabricating a new mounting plate for an odd plenum size, add maybe 20 minutes. Call (559) 295-5878 to schedule, and you’ll get a live arrival window you can track on your phone.
We stock the most common Honeywell UV lamps, ballasts, and ionizer replacement parts for the UV100 and UV2400 series on our trucks, along with compatible sanitizing components for Lennox, Trane, and Carrier systems. If you have an unusual model, we’ll order the part and schedule the install once it’s in hand. Call (559) 295-5878 and we’ll confirm your exact part before you book.
Clean ducts, straight answers, that’s the whole job. If your Honeywell vent sanitizing unit has quit, call (559) 295-5878 for a written, no-surprise quote in Woodland Hills. Our techs arrive in uniform, you’ll know their name before they knock, and the price you’re quoted is the price you’ll pay.
Written by Omar Haddad, Owner, Cardinal Air Duct Woodland Hills at Cardinal Air Duct Woodland Hills, serving Woodland Hills and nearby areas.