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.
Abatement Technologies Vent Sanitizing: The Santa Clarita Owner’s Guide
We stock and install Abatement Technologies-compatible vent sanitizing components for Santa Clarita homeowners, with most replacements running between $225 and $410 installed, depending on your system’s model year and configuration. In most cases we can have the part matched and the system back online within one visit, and every quote is written down before we touch anything. The typical call starts the same way: you notice the sanitizing indicator isn’t cycling, there’s a faint ozone or electrical smell near the unit, or the airflow through your vents just doesn’t feel as clean as it did six months ago.
Most Santa Clarita owners discover the failure the same week the valley heat really settles in, usually June or July. That’s not a coincidence. Your HVAC is running longer cycles, the UV lamp or ionization element is working harder than it has since last summer, and any weak component finally gives out. Roy Castellanos has seen this pattern across hundreds of homes from Canyon Country to Stevenson Ranch. If you’re reading this page, you likely already know the part has failed. The question is what to do about it, and what it should honestly cost.
Which Abatement Technologies Models This Applies To
Abatement Technologies builds two primary lines that show up in Santa Clarita homes: the PURELAB series, which uses UV-C lamps mounted inside the duct or plenum, and the CAP series (Central Air Purifier), which combines UV with a photocatalytic oxidation element. The vent sanitizing component on these systems is typically the UV lamp assembly or the PCO cartridge, depending on which line you have. Here’s the compatibility gotcha most owners miss: a PURELAB lamp from a 2018 build will not seat correctly in a 2022 CAP unit, even though both carry the Abatement name. The pin configuration changed, and the ballast voltage differs enough that forcing a mismatch will burn out the new lamp inside a month.
To identify what you have, look at the metal placard on the unit itself, not the box it came in. The model number starts with either “PL-” for PURELAB or “CAP-” for the CAP series, followed by a spec digit that tells us the lamp wattage. For OEM replacement parts, Abatement lamps carry a specific wavelength output, typically 254nm for the UV-C line. There are quality aftermarket equivalents, but for UV output and ballast compatibility we prefer OEM or direct-spec lamps because the wavelength matters more than the fit. A lamp that seats but emits at the wrong wavelength does nothing for your air and still draws power. We keep common PURELAB and CAP replacement parts on the truck, and we also stock compatible parts for Lennox, Trane, and Carrier systems if your sanitizing unit is tied into a broader setup.
Styles & brands we work with




Signs Your Abatement Technologies Vent Sanitizing Is Failing
- The indicator light is off or blinking in a pattern it didn’t before. Most PURELAB and CAP units have a status LED on the control board. A solid green means the lamp is energized. A slow blink usually means the lamp has reached end of life or the ballast is failing. A fast blink typically signals a PCO cartridge fault on CAP models.
- You notice a faint odor shift near the supply vents. When the UV lamp dies, the system stops producing the low-level ozone that neutralizes microbial growth in the airstream. Within two to three weeks, the air moving through your ducts starts to smell more like whatever has been sitting in the return side, dust, cooking oils, pet dander. The unit is still running but the sanitizing function is gone.
- Electricity consumption on the unit has dropped to near zero. That sounds like a good thing until you realize the lamp isn’t drawing power because it isn’t lit. If your unit has a wattage monitor or you notice the lamp housing is cool to the touch during operation, the element is dead.
- Dust accumulation on the lamp sleeve is heavy and baked on. A failing lamp often runs hot for a short period before dying, and that bakes airborne dust onto the quartz sleeve. If you can see a dark, crusted film on the lamp housing through the inspection port, the lamp has been compromised.
- Your allergy symptoms or household dust levels have ticked upward in a way that doesn’t match the season. Santa Clarita has its own dust load, spring winds, dry chaparral particulates, but a working sanitizing system should be knocking those counts down. When it stops, the change is gradual enough that you notice it over weeks, not days.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
For Santa Clarita homes, expect to pay $225 to $410 installed for a complete Abatement Technologies vent sanitizing component replacement. That’s parts and labor together. A UV-C lamp alone runs $90 to $145, a PCO cartridge runs $110 to $175, and the labor to access the unit, confirm compatibility, swap the component, and verify output is typically $135 to $235. The range exists because PURELAB lamps are simpler to access than CAP cartridges, which sometimes require partial plenum disassembly.
Here’s what makes our pricing work differently from what you may have seen elsewhere. We write the full price down before work starts. The price you see on the written quote is the price you pay, period. Every replacement carries our 365-Day Done Right Promise: if the part fails or the work doesn’t hold within a year, we return and make it right at no charge, including a free second visit. That’s The Garrison Standard, and it’s in writing every single time. No per-vent pricing games, no “while we’re here” upsells, just the part matched, the swap done, and the unit verified before we leave.
DIY or Call Us?
Here’s the honest split. You can visually inspect your unit: check the status light, look for dust buildup on the lamp sleeve, and confirm the model number on the placard. That’s useful information to have before you call, and it helps us bring the right part. But the swap itself is not a casual weekend job. The lamp in a PURELAB or CAP unit operates on a ballast that carries line voltage, and wiring a lamp incorrectly or cross-matching a ballast can damage the control board or create an electrical hazard. UV-C lamps also require careful handling: the quartz sleeve must stay clean, and direct skin or eye exposure matters more than most people realize.
What we see from DIY attempts is a new lamp that fails within weeks because a finger smudge on the quartz created a hot spot, or a ballast that got fried because the homeowner matched voltage but not frequency. By the time they call us, the job costs more than if we had done it the first time. Call (661) 523-0295 and we’ll quote the replacement over the phone once you read us the model number. If we have the part on the truck, we can usually handle it the same visit.
FAQs
A PURELAB UV-C lamp is rated for roughly 8,000 to 9,000 hours of operation, which works out to about two years of typical Santa Clarita use given our long cooling seasons. The PCO cartridge on CAP units degrades chemically over time and should be replaced every 18 to 24 months regardless of lamp condition. Running your system year-round shortens that window. Call (661) 523-0295 and we can check the run-time meter on your unit if it has one.
Lamps cannot be repaired, only replaced. Ballasts are the one component that sometimes can be rebuilt, but on Abatement units the cost of a ballast rebuild usually exceeds the cost of a direct replacement ballast, so it rarely makes sense. PCO cartridges are consumables by design. We’ll tell you straight if a rebuild is worth your money, and most of the time for these units, it isn’t.
A straightforward PURELAB lamp replacement takes about 45 minutes to an hour from the time we arrive. A CAP cartridge with plenum access can run an hour and a half. We verify output and airflow before we pack up, and we leave the work area as clean as we found it, which is part of The Garrison Code on every job.
We stock the most common PURELAB lamp sizes and CAP cartridges for Santa Clarita homes. If you have a less common spec, we can usually source it within a few business days and schedule the install around the part arrival. Either way, the price is written before we order anything.
Clean ducts move clean air. Everything else is just sales talk.
Written by Roy Castellanos, Owner, Hollis Air Duct Santa Clarita at Hollis Air Duct Santa Clarita, serving Santa Clarita and nearby areas.