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 Manhattan Beach, CA
We clean and repair Lennox ductwork throughout Manhattan Beach, and the single biggest difference here is salt. The marine layer pushes salt-laden air into return ducts constantly, which corrodes galvanized runs and clogs evaporator coils with a gritty, sticky film you don’t see inland. What starts as a Lennox system running warm or short-cycling is usually the ductwork suffocating from beach air, not the equipment failing. We’re an independent Lennox service provider, not authorized or sponsored by Lennox, and we fix the duct side properly. Call (855) 925-0879 for a free estimate.
Why Manhattan Beach Residents Choose Us for Lennox Service
Gerardo Escobar, our owner, spent years doing residential and light-commercial duct work across the southeast L.A. corridor before starting Duct Cleaning South Gate in 2013. He trained in HVAC fundamentals at East Los Angeles College, and he’s the first to say the vacuum equipment and brush system matter as much as the technician behind them. That’s why every Manhattan Beach job runs on Rotobrush rotary brush systems and Nikro HEPA-rated vacuums, not the basic truck-mount blowers common in budget duct services.
We know how Lennox air handlers and ducted systems actually behave after a few years of coastal exposure, because we’ve pulled enough beach sand out of return runs to recognize the pattern. We also understand the local disruption concern. Manhattan Beach homes are occupied, high-value properties, so we bring Abatement Technologies negative-air and containment equipment to capture dislodged debris instead of recirculating it through your living room. Captured, not recirculated. Equipment you can verify by name. We repair ducts, not just clean them.
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 Manhattan Beach
- Salt-corrosion at return-side joints. Older Lennox air handler cabinets and galvanized duct runs pit where the metal seams meet return air. The marine layer keeps these joints damp, and the pitting opens small leaks before the equipment itself shows any sign of trouble. We re-seal pitted collars with mastic and replace sections that have gone too far.
- Sand and salt packed through return ducts. Fine beach sand rides the onshore breeze into return grilles and settles in the duct before the filter sees it. Combined with salt crystals, it cakes inside the run and reduces airflow. This drives high static pressure and makes variable-speed Lennox units short-cycle. Cleaning the return side first is our standard practice in Manhattan Beach.
- Flex duct tears at the collar. Lennox flex duct in cramped attics and crawlspaces, common in older beach bungalows and remodeled lots, sags and tears where it attaches to the collar. Moist marine-layer air seeps into the supply side, and mold follows in weeks. We repair or replace the flex and seal the collar correctly.
- Corroded evaporator coils from coastal grime. Lennox coils loaded with salt and sand lose heat transfer and force the blower to work harder. Dirty blower wheels on Lennox air handlers strain the motor and cause uneven room temperatures from one room to the next.
- Short-cycling on variable-speed systems. When a Lennox Elite or Dave Lennox Signature Collection variable-speed air handler short-cycles, the cause is often restricted airflow from loaded ducts and a dirty coil. The control board thinks the system is overheating and cycles the compressor off. Cleaning the duct and coil restores steady low-stage operation.
Lennox Service in Manhattan Beach: What Local Conditions Mean for Your Equipment
In the Sand Section near The Strand, we routinely find fine beach sand and salt crystals caked inside return ducts and coils. That’s a pattern unique to oceanfront properties where windows are often left open to the sea breeze. A homeowner’s Lennox Elite variable-speed air handler was short-cycling and rooms ran warm. Our crew pulled the return grille and found fine beach sand and salt crystals packed through the return duct and cemented onto the evaporator coil. We cleaned the return run, coil, and blower wheel, then re-sealed pitted collar joints with mastic and replaced a torn flex section. The system settled back to steady low-stage operation. That wasn’t an equipment fault. It was the duct system telling us exactly what had been happening inside that house.
Manhattan Beach’s mild marine climate means Lennox systems run year-round, so ducts accumulate contaminants faster than in seasonal climates. Many homes near the ocean leave windows open for the breeze, which means return ducts load with sand and salt faster than supply runs. We inspect and clean the return side first because that’s where the damage concentrates.
Lennox Models & Products We Service in Manhattan Beach
We work on Lennox Merit Series furnaces and air handlers, Lennox Elite Series variable-speed air handlers, and Dave Lennox Signature Collection equipment including SL280V and SL18XCX units. We also service and integrate with Lennox Healthy Climate air filtration and ducted accessories, plus Honeywell and Aprilaire air-quality systems that connect to the same ductwork. Our focus is the full air pathway: supply and return air ducts, evaporator coils, blower wheels, and flex duct. We use OEM Lennox parts where fit and controls matter, like blower motors, control boards, and coil assemblies. For flex duct, mastic, and insulation, we use quality aftermarket materials where performance is equivalent. Duct Cleaning South Gate is an independent service provider, not authoriized or endorsed by Lennox.
See the difference
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After
Before
After
Before
AfterLennox Service Pricing in Manhattan Beach
Every Manhattan Beach job is quoted per project by a written estimate after we see the system. Lennox air duct cleaning in Manhattan Beach typically runs $300 to $700 for a full system. Return duct cleaning alone runs $150 to $350. Evaporator coil cleaning runs $150 to $350. Flex duct repair runs $200 to $500 per section. Dryer vent cleaning runs $95 to $175. The final price depends on how many returns and supplies your Lennox system has, how loaded the ducts are, and whether any flex sections need repair. We give one flat price per system before work starts, no per-vent pricing. Call (855) 925-0879 and we’ll come out and write the estimate.
Serving Manhattan Beach, CA – Our Local Coverage Area
We serve Manhattan Beach and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Lennox Air Duct Cleaning in Manhattan Beach
They collect sand and salt because the onshore breeze carries both through open windows and into return grilles, especially near The Strand and the Sand Section. Return ducts draw air into the Lennox air handler, so they act like a vacuum for whatever the ocean air carries. Once inside, salt crystals and sand stick to the duct walls and accumulate faster than supply runs. Cleaning the return side first is the correct move in Manhattan Beach. Call (855) 925-0879 for a free estimate.
Yes. Salt-laden marine air accelerates corrosion on galvanized duct runs and the metal cabinet seams of older Lennox air handlers, especially at return-side joints. You’ll see pitting at the seams long before the equipment itself fails. If the pitting is surface-level, we can clean, seal, and mastic the joints to stop the leak. If it has gone structural, we’ll tell you plainly to replace the section rather than chase it.
Short-cycling on a Lennox variable-speed air handler is often caused by restricted airflow from loaded ducts, a dirty blower wheel, or a corroded evaporator coil. The system reads high static pressure or overheating and cycles the compressor off to protect itself. Cleaning the return run, coil, and blower wheel usually restores steady low-stage operation. We can assess your ductwork and tell you what’s actually causing the cycling.
In most cases, yes. Torn or sagging flex duct at the collar can be re-attached, sealed with mastic, or replaced section by section. The trunk itself rarely needs replacement unless corrosion has eaten through the metal. We’ll inspect the full run and repair only what’s failed. Duct repair is a standalone service with us, not an upsell.
No. We are an independent service provider, not authorized, endorsed, or sponsored by Lennox. That independence means we don’t push brand-specific markups, and we use OEM Lennox parts where controls and fit matter, plus quality aftermarket duct and sealing materials where performance is equivalent. You get a straight assessment, not a dealer script. Call (855) 925-0879 for a free estimate.
Service Areas Near Manhattan Beach
We serve Manhattan Beach and the surrounding South Bay and South L.A. corridor, including Manhattan Beach, South Gate, West Los Angeles, Rancho Park, Gardena, Koreatown, and Palos Verdes Estates. If you’re near the coast or inland a few miles, call and we’ll let you know our next available dispatch window.
Book Your Lennox Service in Manhattan Beach Today
Your Lennox system’s ductwork is the first thing coastal air attacks. Let us inspect it, clean it, and repair what’s failed. The duct system doesn’t lie, the debris tells you exactly what’s been happening inside that house. Call (855) 925-0879. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Gerardo Escobar, Owner at Duct Cleaning South Gate, serving Manhattan Beach since 2013.