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 Los Gatos, CA
Lennox air duct cleaning in Los Gatos means dealing with equipment that’s been worked hard by this town’s specific conditions: hot attic-mounted air handlers, heavy spring pollen, and winter fireplace soot. We’re an independent Lennox service provider covering all four Los Gatos ZIP codes (95030, 95031, 95032, 95033), and the work we do here differs from what’s needed down in the valley. Sun-baked attic air handlers and fiberglass-lined plenums from the 1960s aren’t generic problems, and we don’t treat them that way. Call (866) 528-3938 and we’ll tell you what’s actually inside your ducts.
Why Los Gatos Residents Choose Us for Lennox Service
We’ve worked on Lennox residential and light-commercial equipment across the Santa Clara Valley long enough to know its specific quirks. That includes the sealed-combustion and variable-speed designs in the higher-end lines, and the older Merit-series furnaces and air handlers still running in Los Gatos bungalows built before 1970. Model-level familiarity is what lets us clean and seal a Lennox duct system correctly instead of treating every brand the same way. Dave Hanson, our owner, runs the same methodical negative-pressure cleaning he learned doing duct work across Santa Clara County for more than two decades. Clean air isn’t a feeling – it’s what’s left after the debris is out.
We’re local to the South Bay and know the difference between a 1920s downtown flat in 95030 and a 1990s custom home up in the hills off Highway 17. That matters when we’re deciding whether a duct system just needs cleaning or has structural issues that cleaning alone won’t fix. For a full picture of where we work, see our Los Gatos service area page. And for context on the equipment side of what we do, our Lennox sales & service page covers the broader brand work we handle. More on that Los Gatos-specific experience: we also offer this same depth of Lennox service in Mountain View, where our company is based.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Common Lennox Air Duct Cleaning Problems We Solve in Los Gatos
Here’s what we actually find when we open up Lennox systems in this town. Each of these is tied to something specific about Los Gatos, not just generic buildup.
- Sun-baked attic air handlers in 95033. Lennox Merit-series air handlers mounted in uninsulated attics off Highway 17 bake through 85-95°F summers. The sealant around cabinet panels degrades, and fine redwood duff and ash get pulled into the return side. We reseal the cabinet after cleaning, which is the part most duct cleaners skip.
- Fiberglass shedding from 1960s plenums in the downtown flats. Older Lennox sheet-metal plenums in 1920s-1960s homes throughout 95030 often have interior fiberglass lining that’s now degrading. As that lining ages, it sheds glass fibers into the airstream. Homeowners report dusty supply vents no matter how often they change filters. This is a lining issue, not a filter issue, and it needs different handling than standard cleaning.
- Dirty blower wheels on variable-speed systems. Lennox variable-speed and communicating air handlers are sensitive to a dirty blower wheel. Heavy spring oak and redwood pollen loads in Los Gatos imbalance the wheel and cause airflow faults that get misread as control-board problems. We pull the blower wheel and clean it properly, which often resolves the fault without replacing any electronics.
- Soot-and-pollen matting on evaporator coils. Older Lennox Elite and Signature systems in wood-burning homes accumulate soot from winter fires mixed with spring pollen on the return side. A clogged return duct accelerates that buildup into coil icing. Return duct cleaning is the first step we recommend before anyone condemns an expensive coil.
- Rodent nesting in return plenums. Those attic-mounted Lennox air handlers in the hills are a magnet for rodents, especially when cabinet sealant fails and leaves an opening. We’ve pulled nests out of return plenums more times than we can count in 95033. After removal, we sanitize the plenum and reseal the entry points.
Lennox Service in Los Gatos: What Local Conditions Mean for Your Equipment
Here’s the one thing that makes Lennox duct work in Los Gatos genuinely different from, say, San Carlos or Cupertino. In the hillside neighborhoods off Highway 17 (95033), the air handlers are so often attic-mounted and sun-baked that we routinely find failing cabinet sealant and rodent nesting in the return plenum. This is a repair pattern tied specifically to those uninsulated hot attics. We don’t see it the same way in the Los Gatos downtown flats, where milder attic temps mean sealant holds up better but older fiberglass-lined plenums are the dominant issue. On a call in the hillside neighborhoods off Highway 17, we opened a Lennox Merit-series attic air handler that had been pulling fine redwood duff and wildfire ash through the return for seasons. Sealant around the cabinet was failing, and a rodent had nested against the blower housing. We ran a video inspection through the multi-zone runs, cleaned the return and supply ducts, pulled and cleaned the blower wheel, resealed the cabinet with fresh mastic, and capped the adjacent vent line with a bird guard. The homeowner noticed lighter spring pollen loads almost immediately. That’s the kind of job a generic duct cleaner doesn’t have the equipment or the patience for.
For Lennox owners in nearby Peninsula communities, we apply the same approach with Lennox service in San Carlos, where the housing stock and climate create a different set of duct conditions.
Lennox Models & Products We Service in Los Gatos
We clean and service the full Lennox residential range: Merit Series (ML/EL furnaces and air handlers), Elite Series (EL furnaces and XC/XC21-style condensing units), Dave Lennox Signature Collection (SLP98/SL280 and variable-speed air handlers), and iComfort-enabled communicating systems. Our parts approach is straightforward. We use OEM Lennox parts where fit and control compatibility matter, including blower motors, control boards, and coil assemblies on communicating systems. For generic items like flex duct, mastic, and insulation, we use quality aftermarket. On an older Lennox furnace or air handler, we’ll tell you plainly when cleaning and sealing still makes sense and when the cabinet and lining have degraded enough that a partial replacement is the honest call.
See the difference
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After
Before
After
Before
AfterLennox Service Pricing in Los Gatos
Air duct cleaning for a typical single Lennox system in Los Gatos runs $450 to $850, and a full HVAC plus dryer vent cleaning comes in around $650 to $1,100. Hillside homes in 95033 with complex multi-zone runs and attic access challenges trend toward the higher end because the work takes longer and often requires video inspection before and after. What drives cost is total linear footage of ductwork, number of returns, whether the air handler needs blower wheel cleaning, the age and condition of your system, and access complexity, especially for attic-mounted units. Our free estimate includes a walkthrough and an honest read on whether cleaning solves your problem or if duct repair is the real fix. Call (866) 528-3938 for an exact quote for your Lennox system.
Serving Los Gatos, CA – Our Local Coverage Area
We’re based in the Los Gatos 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 Los Gatos
Yes, it matters more than most people realize. Attic-mounted Lennox units in Los Gatos run through extended 85-95°F heat cycles each summer, which degrades cabinet sealant faster than in conditioned spaces. Failed sealant lets attic air, dust, and sometimes rodents into the return side. When we clean these systems, we inspect and reseal the cabinet as part of the job because cleaning without resealing just invites the same problem back within a season. If your system’s in the attic, ask specifically about cabinet resealing when you call (866) 528-3938.
Older Lennox sheet-metal plenums in 1920s-1960s Los Gatos homes often have interior fiberglass lining that degrades over decades. Standard negative-pressure cleaning alone won’t address the issue, and aggressive brushing can make shedding worse. We use a gentler approach for lined ducts, focusing on removing loose fibers without damaging the remaining lining, and we’ll tell you if the lining has degraded to the point where replacement is the only honest fix. The condition of that lining determines whether we recommend cleaning, repair, or both.
That’s soot residue from wood-burning fireplaces, and it’s common in Los Gatos homes that burn regularly through the wet season. Soot gets pulled into the return ducts, settles on the duct walls and the evaporator coil, and every time the blower kicks on it releases that odor back into the house. Cleaning the return ducts and the coil typically eliminates the smell. This is return duct cleaning specifically, not just supply-side work, so make sure whoever you hire is actually doing both. We include return duct cleaning as a standard part of our Lennox service.
Yes. We’re an independent service provider, not factory-authorized, and we service Lennox iComfort-enabled and variable-speed systems without any manufacturer involvement. The parts that matter, like blower motors and control boards, we source as OEM Lennox where compatibility depends on it. The cleaning itself doesn’t require authorization, and we’ve worked on enough communicating systems to know that a dirty blower wheel often causes airflow faults that look like board failures. Cleaning fixes the actual problem far more often than board replacement would.
Most Los Gatos homes with Lennox systems should have ducts cleaned every three to five years. Homes in 95033 with attic-mounted handlers and high wildfire-season exposure often benefit from cleaning every two to three years. If you have oak or redwood trees close to the house or burn wood regularly, lean toward the shorter interval. Call (866) 528-3938 and describe your setup – we’ll give you an honest recommendation for your specific system and location.
Service Areas Near Los Gatos
We serve Los Gatos and the surrounding South Bay communities, including Campbell, Cupertino, Saratoga, Monte Sereno, and the Los Gatos Mountains (95033). For work in nearby towns, see our Lennox service in Mountain View and Lennox service in San Carlos pages.
Book Your Lennox Service in Los Gatos Today
If your Lennox system’s been running through Los Gatos pollen seasons without a duct cleaning, or if you suspect your attic air handler needs real attention, call (866) 528-3938 for a free estimate. We’ll tell you what’s in your ducts and what actually needs doing.
Written by Dave Hanson, Owner at Duct Cleaning Mountain View, serving Los Gatos and the South Bay.