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 San Pedro, CA
We provide independent Lennox air duct cleaning across San Pedro, focused on one thing most generic cleaners miss: the salt fog and port diesel soot that coats duct interiors and coils in this harbor town. It makes Lennox systems here behave differently than they do ten miles inland. Fortress Air Duct Cleaning handles the full job: we clean the ducts, repair deterioration we find, and protect the system with filtration that actually fits the equipment. Call (833) 593-4030 for a free estimate.
As independent Lennox specialists, we’ve worked on thousands of these systems in San Pedro, from older Merit Series furnaces to modern variable-speed heat pumps. We know Lennox cabinet airflow patterns and coil designs well enough to clean ducts without disturbing the components that matter. This isn’t a generic duct cleaning performed through a Lennox-shaped lens; it’s Lennox-specific work informed by what actually fails here. Lennox equipment is solid, but the coastal environment in San Pedro creates very particular problems. We solve them.
Why San Pedro Residents Choose Us for Lennox Service
Lloyd Farrell started Fortress Air Duct Cleaning in 2017 after years in the trade, and he grew up in Lakewood’s Del Valle neighborhood, so he understands ranch-style and Spanish-stucco homes the way a local does. He studied HVAC systems through the trade program at Long Beach City College before spending years handling everything from new residential installs to commercial duct remediation. That background shaped how Fortress approaches duct work: we verify airflow at every register before we call a job finished.
San Pedro homeowners call us for Lennox work because we understand the failure modes this town creates. Salt-laden marine air, diesel soot from the Port of LA, and the June Gloom humidity cycle combine to coat duct interiors in ways that generic cleaning equipment can’t touch. We run professional-grade Rotobrush and Nikro equipment, the same systems used in commercial and remediation-level projects, not a consumer-grade vacuum. And if the cleaning reveals a cracked joint or a corroded section, we repair it on the spot. Clean it. Repair it. Protect it. That’s the arc of what we do, and it’s why one team from the vent to the filter makes sense for Lennox owners here.
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 San Pedro
- Salt-crusted evaporator coils. Near the harbor, salt aerosol settles on Lennox coils and bakes into a crust under normal system heat. Airflow drops, cooling suffers, and the unit works harder than it should. We clean coils with coil-safe methods that remove the crust without damaging fins or coating.
- Corroded galvanized duct joints. Older Lennox systems in 1920s-1950s bungalows throughout San Pedro often have original galvanized ducts. Salt fog accelerates corrosion at the seams. This causes air leaks, pressure imbalances, and dusty rooms even right after a cleaning. We locate and seal those joints with mastic after video inspection confirms the extent of the damage.
- Diesel soot buildup on blower wheels. Port truck traffic puts fine particulate into the air, and Lennox air handlers pull some of it through. Soot accumulates on blower wheel blades, throwing the wheel off balance and creating vibration that strains the motor. We clean the blower assembly thoroughly, which quiets the system and extends motor life.
- Flex duct collapse in 1990s installations. Some Lennox installations in San Pedro used early flex duct that degrades under constant humidity. The inner liner separates, the duct sags, and airflow gets strangled. When we find collapsed sections during cleaning, we replace them with proper ducting rather than leaving a restriction in place.
- Musty odors from trapped marine moisture. Damp marine air that sits in ducts during cooler months breeds the kind of microbial growth that produces a musty smell whenever the blower kicks on. This is especially common after June Gloom. A thorough cleaning of the supply and return sides, plus evaporator coil cleaning, removes the source rather than masking it.
Lennox Service in San Pedro: What Local Conditions Mean for Your Equipment
San Pedro sits directly against the Port of LA, and that location shapes everything about duct performance. The onshore winds carry salt aerosol inland from the harbor, and the nearby port adds diesel soot to that mix. These two contaminants combine into a sticky residue inside Lennox ductwork that standard vacuuming won’t remove. It bonds to the galvanized surface, clings to flex duct liners, and coats the evaporator coil. If you own a Lennox system in San Pedro, this residue is probably in your ducts right now, and it shortens the life of high-efficiency filters because it gums them up faster than household dust alone. We don’t use generic cleaning methods on this problem. We use coil-safe degreasers designed to break down marine soot and salt bonding, followed by HEPA extraction that pulls the loosened material out of the home instead of recirculating it. Homes in the 90731 ZIP code near the harbor see the worst of it. If you’re within a mile or two of the water, your ducts are working in a salt-and-soot environment that inland HVAC guides never address.
Lennox Models & Products We Service in San Pedro
We service Lennox heating and cooling equipment used in San Pedro homes: Merit Series, Elite Series, and the Signature Collection, including the Dave Lennox Signature Collection variable-speed systems. Our duct cleaning work covers the full path your air travels: supply and return ductwork, registers, grilles, the blower assembly, the evaporator coil, and the filter housing. When we find damage during cleaning, we use quality parts that fit Lennox equipment correctly. For critical components like blower motors and control boards, OEM parts keep performance predictable. For duct repairs involving sealants, mastic, or flex duct replacement, quality aftermarket materials do the job at a fair price. We are not a Lennox dealer, and we are not factory-trained or authorized by Lennox. We are an independent shop with deep familiarity with the equipment, and that independence means we recommend what the system actually needs rather than what a corporate service plan dictates.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in San Pedro
Air duct cleaning on a typical San Pedro home runs between $400 and $900, depending on the size of the system and the condition of the ducts. Evaporator coil cleaning adds $150 to $400 when it’s done alongside a duct cleaning. Video inspection of duct interiors runs $75 to $200, and we typically include it when the system shows signs of corrosion or airflow problems. If we find collapsing flex duct or corroded joints, duct sealing or section replacement is priced by the written estimate based on what the inspection shows.
What drives cost in this area is the salt and soot buildup. A heavily coated system takes more time, more pass-throughs, and more extraction than a lightly dusty one. That’s why we quote per job, not per vent. The written estimate sets the final price, and the estimate itself is free. Call (833) 593-4030 and we’ll walk through what your specific Lennox system needs.
Serving San Pedro, CA – Our Local Coverage Area
We serve San Pedro 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 San Pedro
Marine air in San Pedro carries salt aerosol that settles inside ductwork and on coils, and when port diesel soot mixes in, the two form a sticky residue that standard vacuuming leaves behind. This buildup restricts airflow, corrodes galvanized joints, and clogs filters prematurely. Regular cleaning specific to coastal soot removal keeps the system moving air properly.
Yes, when the odor comes from accumulated debris and microbial growth inside the ducts or on the evaporator coil. Cleaning both the supply and return sides, plus the coil, removes the source of the smell. If the odor comes from a failing coil or a drain pan problem, we’ll identify that during the cleaning and recommend the appropriate repair. Call (833) 593-4030 to schedule an assessment.
Collapsed flex duct needs to be replaced, not cleaned. The inner liner has separated from the insulation, and airflow is restricted. We confirm the collapse with video inspection and replace the affected sections with proper ducting. For older Lennox systems with corroded ducts, we recommend targeted repairs over full replacement unless the heat exchanger or coil is failing. Call (833) 593-4030 for an exact quote; estimates are free.
Near the harbor, every one to two years is a reasonable interval for evaporator coil cleaning on a Lennox system. Homes in the 90731 ZIP code, especially those close to the water, see salt crust form quickly. Farther inland in San Pedro, three years may be enough. If you notice reduced cooling, longer runtimes, or a musty smell, the coil should be checked sooner.
For critical components like blower motors and control boards, yes, we use OEM Lennox parts to ensure proper compatibility and performance. For duct repairs like sealants, mastic, and flex duct replacement, we use quality aftermarket materials chosen to match the existing system. We’re an independent Lennox service provider, not a manufacturer-authorized shop, so we choose parts based on what serves the system best. Call (833) 593-4030 for a free estimate.
Service Areas Near San Pedro
Fortress Air Duct Cleaning serves San Pedro and the surrounding South Bay communities. We also provide Lennox duct cleaning and repair in Harbor City, Harbor Gateway South, Lakewood, Rolling Hills Estates, and the neighboring areas near Point Fermin. If your home is within a short drive of the port, we cover it.
Book Your Lennox Service in San Pedro Today
If your Lennox system is moving air through salt-caked ducts, you’ll feel the difference after a proper cleaning. Call (833) 593-4030 for a free estimate. We answer 24/7, and crews dispatch Sunday through Friday, 7am to 7pm.
Written by Lloyd Farrell, Owner at Fortress Air Duct Cleaning, serving San Pedro since 2017.