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 Redwood City, CA
We provide independent Lennox air duct cleaning service throughout Redwood City, from the flatland Eichler tracts to the steeper streets west of El Camino, and we also offer our Air Duct Cleaning in Redwood City for all major brands. The short version: we know Lennox duct configurations, we know how Redwood City’s marine layer affects them, and we bring Rotobrush and Nikro commercial-grade equipment to every job. Call (877) 824-3121 for a free estimate.
We are not a Lennox dealer or authorized service center. We’re an independent duct and vent specialist that has worked on Lennox systems across the Peninsula for years. That independence matters. We diagnose what’s actually wrong with your ductwork and recommend the fix that fits your house, not a manufacturer’s script. If you need Lennox sales & service, we’ll point you the right direction. If you need your Lennox system’s ducts cleaned, sealed, or repaired, that’s us.
Duct Cleaning Union City serves all of Redwood City service area, including 94065, 94061, 94062, and 94063. Nelson Abreu leads our team. He grew up in the East Bay and has spent the better part of two decades working on HVAC and duct systems, and he’s the guy neighbors call when a cleaning crew made things worse. We’ve seen enough poorly done jobs to know exactly what a thorough one looks like.
Why Redwood City Residents Choose Us for Lennox Service
Lennox systems have specific design characteristics. Merit Series air handlers use particular coil cabinet dimensions. Elite and Dave Lennox Signature Collection furnaces run variable-speed blowers that behave differently than single-stage units. The ductwork attached to these systems fails in predictable ways, especially in Redwood City’s older housing stock.
Nelson Abreu picked up his technical training through the HVAC/R program at Chabot College in Hayward, where he learned to think systematically about airflow, contamination, and equipment behavior rather than just following a checklist. That background shapes how we approach every Lennox duct cleaning job in Redwood City. We don’t just run a vacuum through your returns. We inspect the full system first, identify pressure losses and disconnects, then clean with Rotobrush and Nikro equipment built for this work.
We carry OEM Lennox parts for critical components like control boards and blower motors, and quality aftermarket parts for common wear items. When we find something broken during a cleaning, we can usually fix it on the spot. Most duct cleaners in Redwood City don’t offer that. We do, because finding a problem and then leaving it for someone else to fix doesn’t serve anyone.
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 Redwood City
Here’s what we actually find when we open up Lennox duct systems in Redwood City homes:
- Rusted drain pans in Lennox cased coils. Redwood City’s marine layer keeps moisture in play all year. We regularly pull rusted or corroded drain pans out of Lennox coils in flatland ranch homes where condensation never fully dries. The fix is a replacement pan, and it’s a common repair we handle during a full system cleaning.
- Duct boot and plenum disconnects behind Lennox air handlers in Eichler flat-roof chases. Eichler-era homes in 94061 and 94063 conceal ductwork in tight attic and sidewall chases with minimal clearance. Over decades, the connections between Lennox air handlers and the original galvanized ductwork work loose. That creates pressure loss and pulls attic dust directly into your supply air.
- Crushed or disconnected flex duct at Lennox takeoffs in hillside 94062 crawlspaces. The hills west of El Camino have larger, older two-story homes with long, irregular duct runs. Raccoons get into the crawlspaces. Aged insulation sags. Flex duct at Lennox takeoffs gets crushed or knocked loose, and suddenly you’re heating and cooling the crawlspace instead of the bedroom above it.
- Evaporator coil fouling on Lennox units in flatland ranch homes. The original galvanized trunk lines in 1950s-60s Redwood City ranch homes are often undersized for the airflow a modern Lennox blower demands. That restriction causes dust and debris to cake onto the evaporator coil, which restricts airflow further. The result is a frozen coil and a system that can’t keep up.
- Cross-connected returns pulling crawlspace air into the supply. Especially in 94062 hillside homes, original return ducts share chase space with added-on AC coils and unsealed returns. Our video inspections routinely find returns pulling air from the crawlspace directly into the supply side. That means whatever is in your crawlspace, dust, mold spores, raccoon debris, is blowing through your vents.
Lennox Service in Redwood City: What Local Conditions Mean for Your Equipment
Redwood City’s housing stock splits sharply along altitude, and that split changes how Lennox duct cleaning work plays out here. The flatlands below El Camino, primarily 94061 and 94063, hold mid-century Eichlers and 1950s-60s tract homes with original sheet-metal ductwork. The hills of 94062 hold larger, older two-story homes with long, complex duct runs and frequently added-on systems. So duct cleaning in Redwood City is really two different jobs, one neighborhood at a time.
Recently we worked on a 1960s ranch in the Fair Oaks neighborhood, 94063, with a Lennox Merit Series furnace and original galvanized ductwork, which is typical of the Lennox repair in North Fair Oaks calls we handle. The homeowner complained of musty odors and uneven airflow. Our video inspection found a disconnected flex duct takeoff in the attic chase and a crushed return plenum behind the air handler. We reconnected and sealed the flex run with mastic, cleaned the entire supply and return system, and replaced the rusted drain pan. Airflow balanced out, and the odor disappeared. That’s not an unusual story for a Redwood City ranch home. The marine layer keeps moisture in the ductwork year-round, and the tight chases in Eichler construction mean small problems get worse faster than they would in a newer house with accessible duct runs.
Flatland Redwood City dominates with post-war single-story ranch and Eichler-style homes where original rigid galvanized ductwork is still common, and our Lennox service in Atherton covers similar mid-century properties nearby. Much of it is undersized for modern Lennox equipment. The hills see a different pattern: long irregular runs, added-on systems, and crawlspace damage from animals and debris. A proper cleaning in either neighborhood has to account for those differences. Clean ducts don’t fix everything, but dirty ones make everything worse.
Lennox Models & Products We Service in Redwood City
Our Redwood City work covers the full range of residential Lennox equipment:
- Lennox Merit Series furnaces and air handlers, common throughout flatland Redwood City ranch homes
- Lennox Elite Series gas furnaces and central AC systems
- Dave Lennox Signature Collection equipment, including SLP98 furnaces and XC25 air conditioners
- Lennox Healthy Climate air cleaners, HRV systems, and ERV systems
We stock OEM Lennox parts for critical components and use quality aftermarket parts for wear items like drain pans and flex duct. That approach keeps turnaround fast for Redwood City customers without compromising the integrity of the system. When a Lennox unit is 15-plus years old and has multiple duct and coil issues, we’ll tell you straight whether repair or replacement makes more sense. We won’t push a rebuild that doesn’t pencil out.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Redwood City
Our pricing is system-based, not per-vent. Before we start, you get one flat price per system agreed to in writing. No bait-and-switch. No surprise line items once the van is in your driveway. The estimate includes a video inspection so you can see exactly what’s in your ducts before and after the job.
For a Redwood City home, a full Lennox system cleaning typically includes the supply and return ducts, the air handler, the evaporator coil, and the blower assembly. If we find a rusted drain pan or a disconnected flex run during the inspection, we’ll quote the repair separately and you decide whether to proceed. Most Redwood City customers appreciate knowing the total before we start. Call (877) 824-3121 and we’ll walk you through what a cleaning would cost for your specific system.
Serving Redwood City, CA – Our Local Coverage Area
We’re based in the Redwood City 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 Redwood City
In 94062 hillside homes, original Lennox duct systems often share chase space with added-on AC coils and unsealed returns. Our video inspections routinely find cross-connected returns pulling crawlspace air into the supply side, which means dust and debris come back almost immediately after a cleaning. The fix is sealing the return path and reconnecting the supply runs correctly, then cleaning the system.
The damp marine layer off the Bay keeps moisture in play year-round in Redwood City, so evaporator coils don’t dry out between cooling cycles the way they do inland. That leads to rusted drain pans and moisture-driven dust caking on coil surfaces. Regular cleaning removes the buildup before it restricts airflow or rusts through the pan. Call (877) 824-3121 if you’re noticing musty air or reduced cooling.
Yes. Eichler-era homes in 94061 and 94063 conceal ductwork in tight attic and sidewall chases with minimal clearance, which requires patience and the right equipment. Our Rotobrush and Nikro systems are designed for low-clearance access. We’ve cleaned dozens of Eichler duct systems in Redwood City, and we know how to work around the construction without damaging the chase openings.
A full system cleaning covers the supply and return ducts, the air handler, the evaporator coil, and the blower assembly. On a 1950s Redwood City ranch with original galvanized ductwork, we also inspect for disconnected boots, crushed returns, and rusted drain pans. We use video inspection before and after so you can see the difference. Call (877) 824-3121 for a free estimate on your specific home.
We focus on residential and light-commercial duct systems, including Lennox rooftop units on smaller commercial buildings in downtown Redwood City and Lennox repair in Redwood Shores commercial properties. If you manage a building near Redwood Creek and the ducts haven’t been cleaned in years, we can inspect and quote the work. The marine-layer humidity downtown creates the same rust and dust caking issues we see in the residential flatlands.
Service Areas Near Redwood City
Beyond Redwood City, we serve the surrounding Peninsula and East Bay communities. Our technicians regularly work in Menlo Park and Foster City, plus East Palo Alto, San Lorenzo, and Union City. If you’re anywhere in the mid-Peninsula with a Lennox system, call and ask.
Book Your Lennox Service in Redwood City Today
You can see what’s in your ducts before we clean them, and you can see the result after. That’s the standard we hold for every Lennox job in Redwood City. Call (877) 824-3121 for a free estimate.
Written by Nelson Abreu, Owner at Duct Cleaning Union City, serving Redwood City and the wider Bay Area.