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.
Lennox Air Duct Cleaning in Santa Clarita, CA | Hollis Air Duct Santa Clarita
We provide independent Lennox Air Duct Cleaning - Santa Clarita, and the work starts with understanding one thing: your system isn’t fighting dust the way a coastal system would. The Santa Clarita Valley’s semi-arid climate, Santa Ana winds, and decades of rapid construction create a specific set of conditions that settle into Lennox ductwork and blower assemblies. Our crew has been pulling that specific combination of fine desert silt and wildfire ash out of Lennox systems in Valencia, Canyon Country, and Saugus for years. Call (661) 523-0295 for a written estimate before any work begins.
Why Santa Clarita Residents Choose Us for Lennox Service
Roy Castellanos, who owns Hollis Air Duct Santa Clarita, started working on HVAC systems in Los Angeles and moved into air duct cleaning full time after seeing how many “cleaning” jobs never actually addressed what was inside the ducts. He and his crew have worked Lennox systems throughout Santa Clarita, from older ranch-style homes near Saugus to newer builds off Tournament Road in Valencia. That local experience matters because a Lennox Merit Series in a 1990s Canyon Country home fails differently than the same unit in a 2015 Stevenson Ranch build. We know both failure patterns.
We’re an independent Lennox service provider, not a manufacturer affiliate. That means our only job is to tell you what your ducts and equipment actually need, not what a corporate program says to sell. We use genuine Lennox OEM parts whenever they’re required, we arrive inside the quoted window, we put the price in writing before we touch anything, and we back the work with the 365-Day Done Right Promise. If it’s not done right, we come back and make it right at no charge.
For Lennox owners specifically, we also offer Lennox sales & service guidance when a repair recommendation crosses into replacement territory, so you’re getting one straight answer instead of two competing opinions.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in Santa Clarita
- Dust-caked variable-speed blower wheels. Lennox variable-speed motors are efficient, but their fan wheels have tight tolerances. Fine desert dust from Santa Clarita’s dry summers accumulates on the wheel, throws it off balance, and produces a low harmonic hum that gets worse as the season grinds on. We pull the blower assembly, clean the wheel properly, and check static pressure before reassembly.
- Biofilm on evaporator coils turned to crust. Lennox high-efficiency evaporator coils run cold, and in humid conditions they collect moisture. After months of Santa Clarita’s triple-digit dry heat, that biological film dries into a hard crust that restricts airflow and forces longer run times. Our evaporator coil cleaning removes that crust without damaging the coil fins.
- Original flex ducts cracking in attics. Homes built in the 1980s and 1990s in Valencia and Canyon Country often still have original Lennox flexible ducts. Constant temperature swings between hot attics and conditioned air inside cause the inner liner to crack and delaminate, leaking conditioned air into attics that bake at 130 degrees. Our video inspection shows you exactly where the failures are.
- Wildfire smoke residue on Lennox filtration media. Smoke from the Angeles National Forest carries oily soot that clings to Lennox’s advanced filtration media, reducing MERV efficiency and forcing premature filter changes. We see this in homes across Santa Clarita after every significant fire season, especially in Newhall and Stevenson Ranch where the hills channel smoke into neighborhoods.
- Construction debris trapped at install. Santa Clarita’s building boom from the 1980s to the 2000s moved thousands of Lennox systems into new homes, and crews were not always careful about what fell into open duct runs. We routinely vacuum out drywall chunks, sawdust, and fast-food wrappers that have been sitting in ducts for decades, collecting more dust on top of themselves.
Lennox Service in Santa Clarita: What Local Conditions Mean for Your Equipment
Homes in Valencia and Stevenson Ranch built during Santa Clarita’s 1980s-2000s development wave often still have original Lennox flexible ducts that were installed before modern mastic sealing standards took hold. Builders moved fast, and the result is duct runs that were never properly sealed at the joints. Our video inspections routinely reveal construction debris, drywall chunks and sawdust, left from the initial build. That debris becomes a magnet for the valley’s fine dust, cutting airflow in ways a simple filter change can never fix.
What makes this a Santa Clarita issue rather than a generic Southern California one is the combination of that legacy debris with the valley’s specific wind patterns. Santa Ana winds push fine silt and pollen into homes at a rate that coastal communities like Ventura simply don’t experience. The debris catches the dust, the ducts leak because they were never mastic-sealed, and the Lennox blower works harder every year to push air through a system that’s slowly strangling itself. Our duct sealing work addresses the leak points directly, and our blower cleaning restores the airflow that the debris and dust have been stealing.
Lennox Models & Products We Service in Santa Clarita
We clean and service duct systems tied to every Lennox residential line: the Dave Lennox Signature Collection, the Lennox Signature Collection, the Lennox Elite Series, and the Lennox Merit Series. Whether your home has a communicating Lennox system with proprietary control boards or a straightforward single-stage Merit unit, our approach to the ductwork is the same: clean it, inspect it, seal it where it leaks.
For parts, we use genuine Lennox OEM components whenever motors, control boards, or heat exchangers are involved, because aftermarket parts create compatibility problems with Lennox’s proprietary communicating systems. For duct components, we use commercial-grade sheet metal and high-quality flex that meets or exceeds original specifications. We stock common Lennox filter sizes and duct fittings locally, which means shorter turnaround times for Santa Clarita homeowners.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Santa Clarita
Air duct cleaning for a typical Santa Clarita single-family home runs between $450 and $900, depending on the number of returns, the size of the home, and how much debris has accumulated. Duct sealing adds $300 to $700 depending on how many joints need work. Evaporator coil cleaning runs $150 to $350 as a standalone service or less when bundled with a full cleaning. Blower cleaning is $100 to $200.
What drives the price is access. A single-story Canyon Country ranch with a crawlspace costs less to clean than a two-story Valencia home where every return is on a different level. Before we quote anything, we do a video inspection so you see what’s actually in your ducts. The estimate is written down before we start, and that number is the number. Call (661) 523-0295 for a free estimate.
Serving Santa Clarita, CA - Our Local Coverage Area
We’re based in the Santa Clarita area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Lennox Air Duct Cleaning in Santa Clarita
That smell is dust that settled on the heat exchanger or electric strips during the months your system sat idle, burning off when the heat first fires. In Santa Clarita, our long cooling season means systems sometimes sit unused for one to two months, and fine desert dust accumulates during that window. If the smell persists beyond the first few cycles, or you notice it getting stronger each year, the dust has likely migrated deeper into the ductwork or onto the blower assembly, and that calls for our Dryer Vent Cleaning in Santa Clarita rather than another filter swap. Call (661) 523-0295 and we’ll inspect what’s actually burning off in there.
Santa Clarita homes should have their ducts cleaned every 3 to 5 years, more frequently if you live in a neighborhood close to the Angeles National Forest where wildfire smoke settles into homes during fire season. The oily soot from smoke clings to duct surfaces and filtration media, reducing airflow and re-contaminating air long after the fire is out. If you smell smoke indoors days after a fire passed, or if your Lennox filter is coming out gray and oily weeks after a fire event, schedule a cleaning sooner.
You can wipe down the outside of the coil, but proper evaporator coil cleaning on a Lennox system means getting to the coil, which is usually inside the air handler or plenum. That involves removing panels, working around electrical components, and using cleaning agents that won’t damage the aluminum fins. If the coil is crusted with biofilm, which we see regularly in Santa Clarita after our hot, dry summers bake moisture into the fins, DIY cleaning usually leaves half the restriction in place. A professional cleaning restores airflow properly and checks static pressure after the work, which tells you whether the problem is actually solved. Call (661) 523-0295 for an exact quote on coil cleaning.
It’s not a Lennox design flaw, it’s a Santa Clarita construction issue. Homes built during the 1980s-2000s boom in Valencia and Stevenson Ranch often have original flex ducts that were installed before modern mastic sealing standards, and the joints leak. Lennox equipment is sized to a specific air volume, and when ducts leak, the system can’t deliver what it was designed to move. We find leaking flex in most homes we inspect in those neighborhoods, regardless of the brand, and sealing those leaks is often the single biggest improvement we can make to airflow.
Get a video inspection first. We run a camera through the duct runs and show you exactly what’s in there before we quote any cleaning work. If your home in Valencia, Stevenson Ranch, or Canyon Country was built between 1985 and 2005, there’s a real chance you have drywall chunks, sawdust, or other debris sitting in the returns that’s been collecting dust for decades. The debris physically blocks airflow, and it also gives dust a place to accumulate. The fix is mechanical removal with our negative-air equipment, not just vacuuming the visible surfaces. Call (661) 523-0295 for a video inspection and quote.
Service Areas Near Santa Clarita
We work throughout the Santa Clarita Valley and into the surrounding communities. If you’re in Northridge, you’ll find our Lennox service in Northridge covers the same Lennox-specific cleaning and sealing work. For homes to the south, Lennox service in Sylmar serves that corridor. For residents elsewhere in the valley, our Santa Clarita service area page covers the full reach of our work in the region.
Book Your Lennox Service in Santa Clarita Today
Clean ducts move clean air. Everything else is just sales talk. If your Lennox system is humming too hard, smelling like dust when it fires up, or you haven’t looked inside the ducts since the home was built, call (661) 523-0295. We’ll inspect, quote in writing, and do the work right the first time.
Written by Roy Castellanos, Owner at Hollis Air Duct Santa Clarita, serving Santa Clarita since 2004.