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 Menlo Park, CA
We clean Lennox duct systems throughout Menlo Park, and our work here usually starts with the same question: which duct generation is hooked up to your Lennox furnace? Most homes in this city pair modern Lennox equipment with old gravity-furnace octopus pipe, first-generation flex, or Title 24 tight ducts, and the two rarely match. Duct Cleaning Mountain View is an independent Lennox service provider, not manufacturer-affiliated. Call (866) 528-3938 for a free estimate.
Why Menlo Park Residents Choose Us for Lennox Service
Dave Hanson, our owner, grew up a few miles south in Mountain View’s Shoreline West neighborhood and learned the mechanical side of HVAC through Foothill College’s program before spending two-plus decades on duct systems across Santa Clara County. That background matters here because Menlo Park’s housing is not uniform. The same street can hold a 1920s Craftsman with gravity-furnace octopus pipe, a 1960s Eichler-style rancher with aluminum flex, and a spec rebuild with code-mandated Title 24 tight ducts all within a few houses of each other.
We work on Lennox systems every week in Menlo Park, from older G26/G40-series furnaces in Willows bungalows to newer SL280V and EL296V variable-speed units in east-side rebuilds, so we know the cabinet layouts, board diagnostics, and duct plenum geometry these systems use. We are an independent service provider with no authorization or warranty relationship with Lennox.
We use Rotobrush and Nikro professional-grade cleaning systems, not shop vacuums, and we run Abatement Technologies HEPA containment during every job. What comes off your duct walls does not go back into your air. If you need full Lennox sales & service, call us. Menlo Park service area coverage is our home ground.
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 Menlo Park
- Variable-speed blower dust on EL296V and SL280V units. These ECM blower motors pull air constantly, even when Menlo Park’s mild Mediterranean climate means the system rarely runs at full load. Dust settles on the blower wheel and the heat-sink side of the control board, causing erratic CFM and nuisance limit trips when return static climbs from clogged filters and dirty return runs. We clean the wheel, the board, and the return path as one system.
- Iced Lennox evaporator coils during shoulder seasons. Menlo Park’s upper-70s summer days and low-load spring and fall stretches mean the system short-cycles frequently. The tight cabinet on Merit and Signature series cased coils leaves no bypass path, so a matted dust-and-pet-hair blanket on the coil underside chokes airflow and the coil ices over. Duct cleaning pulls that blanket out, and we inspect the coil face with video before we leave.
- Rust-through on G26 and G40 heat exchangers in crawl-space installs. Bay fog and damp winter air hit under-insulated plenums hard in Menlo Park, especially when the flue short-cycles from infrequent runtime. We find rust along the crimp seams on older Lennox heat exchangers in crawl-space and basement installs. If the exchanger is compromised on a 25-plus-year-old furnace, we tell owners straight: replacement beats chasing parts.
- Disconnected flex at supply plenums in Eichler-style homes. Those low-profile floor registers on Menlo Park’s Eichler-style tract homes connect to aluminum flex that sags over time and separates at the collar. Conditioned air dumps into the crawl, and the return pulls crawl dust, rodent debris, and insulation particles back through the system. We reconnect, seal, and mastic the collars, then re-tape the register boots.
- Crushed gravity-furnace pipe retrofitted to Lennox forced-air. In the Willows and near downtown, original round galvanized gravity ductwork, often with big floor grates, was never sized for forced-air. Lennox plenums get necked down onto crushed 5- or 6-inch runs, and we find sections packed with decades of dust, rodent droppings, and remodel debris. Video inspection shows the owner exactly what is down there before we pull it out.
Lennox Service in Menlo Park: What Local Conditions Mean for Your Equipment
Menlo Park’s duct systems break down into three generations, and each one changes how a Lennox furnace actually performs. The Willows, Linwood, and blocks near downtown still hold original 1920s-1940s bungalows with gravity-furnace octopus pipe, round galvanized steel with large floor grates, sized for convective heat, not blower-driven airflow. When a Lennox G26 or G40 gets retrofitted onto that pipe, the plenum often necks down onto a 5-inch or 6-inch run that was never meant to carry a forced-air CFM load. The result is high static pressure, a blower motor that works against itself, and reduced airflow to rear bedrooms. One block can hold that setup next door to a 1960s Eichler-style tract home with low-profile floor registers and aluminum flex that leaks at the collars, and then a new spec build down the street with Title 24 tight ducts and a completely different airflow profile. Identifying which generation you have comes before any Lennox-specific diagnosis, because the same symptom, weak airflow, has three different root causes depending on the duct era.
On a Willows block off Willow Road, we opened a Lennox G40 furnace feeding original round galvanized gravity pipe and found two crushed runs plus a disconnected collar dumping into the crawl. The supply plenum was packed with remodel debris. We ran video inspection, pulled and cleaned the runs, reconnected and mastic-sealed the collar and plenum, cleaned the blower wheel and evaporator coil, then re-taped the flex on the Eichler-style low-profile floor registers in the back addition. Static pressure dropped and the homeowner finally got airflow to the rear bedrooms. That job shows why Lennox repair in San Carlos and Menlo Park service cannot be a one-size-fits-all approach. Clean air isn’t a feeling, it’s what’s left after the debris is out.
Lennox Models & Products We Service in Menlo Park
We clean, inspect, and repair duct systems attached to the full range of Lennox equipment common in Menlo Park. This includes older G26 and G40 single-stage gas furnaces still running in 1980s-1990s retrofits, the EL296V and SL280V variable-speed gas furnaces in newer or rebuilt homes, and Merit and Signature series air handlers and evaporator coils paired with XC and XP outdoor condensers. On parts, we use Lennox OEM boards, igniters, and blower motors where the control logic or fit is model-specific, and quality aftermarket for consumables like filters, mastic, flex, and foil tape. On older G26 and G40 cabinets, we will clean, seal, and repair if the heat exchanger passes inspection. Once the exchanger is compromised in a 25-plus-year-old unit, we tell owners replacement is the better call.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Menlo Park
Air duct cleaning on a Lennox-equipped home in Menlo Park typically runs $400 to $900 for a full system, depending on the home’s size, the number of returns and registers, and whether the duct generation is gravity pipe, first-gen flex, or newer tight ducts. Adding a video inspection runs $75 to $150. Duct sealing, where we mastic-seal collars, plenums, and register boots, adds $200 to $500 depending on how many leaks we find. We never quote per-vent pricing. You get one flat price per system, agreed before work starts, with before-and-after photos of your own ducts. Call (866) 528-3938 for an exact quote. Estimates are free.
Serving Menlo Park, CA – Our Local Coverage Area
We’re based in the Menlo Park 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 Menlo Park
A variable-speed Lennox service in Palo Alto EL296V or SL280V short-cycles when the return static pressure climbs from a loaded blower wheel, matted filter, or dirty return runs. Menlo Park’s mild climate means the system runs at low load often, which lets dust settle rather than burn off. We clean the wheel, board, and return path as one system to drop static pressure back into range. Call (866) 528-3938 for a free estimate.
Usually yes. The tight cabinet on Lennox Merit and Signature cased coils leaves no bypass path, so dust and pet hair collect on the coil underside and choke airflow. In Menlo Park’s low-load shoulder seasons, the coil drops below freezing and ices over. Duct cleaning removes the blanket, and we video-inspect the coil face to confirm it is clear. Call (866) 528-3938 to schedule an inspection.
Yes. Original round galvanized gravity pipe in the Willows and near downtown can be cleaned, repaired, and sealed even after a Lennox forced-air furnace has been retrofitted onto it. We run video inspection first to identify crushed runs, disconnected collars, and packed debris, then pull and clean the accessible sections. If a run is crushed beyond repair, we will tell you before replacing it. Call (866) 528-3938.
A Title 24 tight-duct home needs the same cleaning process, but the tolerance for leaks is much lower. These newer Menlo Park east-side builds are sealed for efficiency, so any separated collar or torn flex directly impacts airflow and static pressure. We clean with negative-pressure containment and then verify with video that no leaks opened up during the process. Call (866) 528-3938 for specifics on your system.
Duct cleaning removes the organic material that feeds the smell, but the source is often condensation inside an under-insulated duct run or plenum during Menlo Park’s damp winter air and bay fog. We clean the affected runs, inspect for standing moisture, and seal the plenum and collars to keep crawl-space air from entering the system. If the insulation is saturated, we will tell you that cleaning alone is not enough. Call (866) 528-3938 for an assessment.
Service Areas Near Menlo Park
We serve Menlo Park and the surrounding area, including Newark, Saratoga, Mountain View, Palo Alto, Redwood City, Los Altos, Cupertino, and Campbell. If you are a few minutes outside Menlo Park, call us; we likely cover your street.
Book Your Lennox Service in Menlo Park Today
If your Lennox furnace is pushing air through ductwork that predates the forced-air era, or your newer tight-duct home is not delivering airflow to rear rooms, call Duct Cleaning Mountain View at (866) 528-3938. We will schedule a free estimate, run a video inspection, and give you one flat price per system before any work starts.
Written by Dave Hanson, Owner at Duct Cleaning Mountain View, serving Menlo Park, CA.