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.
Why Long Beach Homeowners Choose Lennox Air Duct Cleaning
We provide Air Duct Cleaning services as an independent Lennox service in Long Beach, and we clean the full system: ducts, blower wheel, evaporator coil, and the plenum. What makes our Lennox work different is that we don’t just vacuum the registers like a lot of outfits. We measure static pressure before and after, because Lennox variable-speed blowers were engineered to run against a specific resistance, and Long Beach’s salt-laden air loads ductwork with a film you won’t find 20 miles inland. We are not affiliated with or authorized by Lennox; we’re an independent service provider that works on their equipment every week, from older Elite furnaces in Wrigley to newer Dave Lennox Signature Collection air handlers near the waterfront. Call us at (562) 548-7365 and we’ll give you a written price before any work starts.
Why Trust Hollis Air Duct Long Beach for Your Lennox Air Duct Cleaning?
Roy Castellanos grew up in East Los Angeles and learned the trade through the HVAC program at East Los Angeles College before spending years working every kind of duct system this region throws at you: flex, rigid, old asbestos-wrapped trunks in 1950s builds, the works. He built Hollis Air Duct Long Beach on one standard: the airflow leaving a job has to be measurably cleaner than what he found, and he won’t sign off until it is.
Our techs provide Lennox service in Long Beach every week. That means we know how the Elite Series EL296V blower wheel collects fine dust, why the Merit Series ML180 heat exchanger picks up lint in sealed combustion setups, and what the iComfort S30 thermostat is actually complaining about when it flags airflow on a system with a clean filter. We use genuine Lennox OEM replacement parts for critical components like blower wheels, heat exchangers, and control boards, because those parts match the exact airflow specs Lennox designed around. For non-critical items like duct collars or access panels, we’ll use quality aftermarket parts if you want the lower-cost option. Every job gets a written price before we touch anything, and every job is covered by our 365-Day Done Right Promise. If the work fails within a year, we come back at no charge. That’s in writing on every invoice.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Fix in Long Beach
Lennox builds solid equipment. But Long Beach’s coastal air does specific things to it. Here’s what we see in homes across the city, from Belmont Shore to Bixby Knolls, and why some homeowners also ask about our Lennox repair in Huntington Beach:
- Variable-speed blower wheel dust buildup (Elite EL296V, Signature SL280). The blower wheel on a variable-speed Lennox furnace spins constantly at low speed, even when you’re not calling for heat. That’s by design, but it means the wheel catches every particle the filter misses. In Long Beach, that dust is heavier with salt and moisture, so it cakes onto the fins instead of blowing through. The wheel gets out of balance, amp draw climbs, and the motor works harder than it should. We pull the blower assembly, wash the wheel, and reinstall it to factory balance.
- iComfort S30 thermostat “restricted airflow” warnings (all Lennox series). You change the filter, the warning stays. Frustrating. Usually the blockage isn’t the filter at all. It’s the evaporator coil, which has picked up a layer of salt-laden dust that acts like a wet blanket over the fins. The coil looks gray even though the filter above it looks fine. We clean the evaporator coil in place with a foaming cleaner and rinse, then re-check static pressure. The warning clears.
- Sealed combustion intake contamination (SL280, SLP98, EL280). Higher-efficiency Lennox furnaces pull combustion air through a sealed intake pipe that often draws from the attic or exterior wall. In Long Beach, that intake pulls in lint, pet dander, and fine beach dust. The stuff coats the heat exchanger and shortens its life. Part of our cleaning process is inspecting and clearing the intake pathway so the furnace breathes clean air. This is a maintenance item most homeowners never see until it’s a repair call.
- Flex duct sagging and separation on zoned systems (any Lennox zone panel). Long Beach attics get hot, and flex duct doesn’t love heat. Over time, the inner liner separates from the outer jacket, or the duct sags between strap supports and pulls away from the takeoff collar. Conditioned air leaks into the attic instead of reaching the room. We inspect every flex run on a Lennox zoned system, re-secure takeoffs with mastic and zip ties, and re-support sagging sections.
- Duct leakage raising static pressure (all Lennox furnaces). Lennox variable-speed blowers are built to compensate for filter loading, but they can’t compensate for air leaking out of a rusted plenum or a disconnected duct joint. Static pressure rises, airflow drops, and the blower runs at higher ramp rates to compensate. It wastes power and shortens motor life. We seal ductwork with mastic, not tape. Mastic stays put. Tape dries up and peels in Long Beach’s humidity.
Lennox Parts & Our Repair-vs-Replace Approach
We prefer genuine Lennox OEM replacement parts for anything critical: heat exchangers, blower wheels, control boards, gas valves. Those parts are built to the exact airflow and electrical specs Lennox engineered for each model line. Aftermarket universal parts can work, but they often change static pressure slightly or run at different amp draws, which matters more on a variable-speed system than a single-speed one.
For non-critical items like duct collars, access panels, and zone dampers, we’ll use quality aftermarket parts if you’d rather save money. We tell you the trade-off in plain terms and let you decide. Our repair-vs-replace rule for Lennox ductwork is honest and simple: if the duct system is over 15 years old, has multiple failing flex runs, and a leaking sheet-metal plenum, we recommend full replacement rather than patching. Lennox’s higher static pressure designs make leaks expensive over time. Patching a system that’s already failing just means you’ll pay us twice. Call (562) 548-7365 and we’ll walk you through what we’d do and what it costs before you commit to anything.
Our Lennox Service Process – Step by Step
- 1
Diagnosis and measurement. We start with a static pressure reading and a visual inspection of the blower, coil, and accessible ductwork. On a Lennox variable-speed system, that reading tells us more than any guess. We’ll show you the numbers if you want to see them.
- 2
Cleaning and correction. We pull the blower assembly, wash the wheel, clean the evaporator coil, and run the negative-air machine through the supply and return ductwork. For duct sealing, we apply mastic at every accessible joint and re-secure any sagging flex runs. This is the step where the Naples Island EL296V’s static pressure dropped from 0.65 to 0.42 inches of water column last month.
- 3
Test and verify. After everything’s back together, we re-check static pressure and blower amp draw. The numbers should be lower than when we arrived. If they’re not, we find out why before we call the job done.
- 4
Written warranty. Every Lennox service gets our 365-Day Done Right Promise in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. No argument, no hoops.
See the difference
Before
After
Before
After
Before
AfterLennox Products We Service & Install in Long Beach
We service and clean the full Lennox residential line in Long Beach and nearby areas like Garden Grove Lennox service: Elite Series furnaces (EL296V, EL280), Merit Series (ML180, ML196), Dave Lennox Signature Collection (SL280, SLP98), and the Lennox Healthy Climate ventilation and filtration systems. We also clean the ductwork, blowers, and coils on Lennox heat pumps and air conditioners paired with those furnaces. We carry common OEM filters, blower wheel cleaning kits, and mastic in our vans so we’re not running to a supply house mid-job.
We Also Service These Brands
Our techs are comfortable on Trane and Carrier systems too. The ductwork doesn’t care what brand the furnace is, and neither do we. The cleaning process is the same discipline: measure, clean, verify, warrant.
FAQs – Lennox Air Duct Cleaning Service in Long Beach
No. We are an independent Lennox service provider, not an authorized or factory-affiliated dealer. That means we’re not bound by factory labor pricing, and we’re free to use aftermarket parts on non-critical items if you want a lower-cost option. It also means our written 365-Day Done Right Promise is ours to honor, not a manufacturer’s policy.
For critical components like heat exchangers, blower wheels, and control boards, yes. We prefer OEM parts because they match the airflow and electrical specs Lennox designed for. For non-critical items like duct collars or access panels, we’ll offer a quality aftermarket alternative at a lower price. You get the choice in writing before any work starts.
The blower wheel spins constantly at low speed by design, and Long Beach’s air carries salt and moisture that make dust stickier than inland dust. The filter catches what passes through it, but the wheel still accumulates a fine coating over months. We clean the blower wheel by pulling the assembly and washing it, which restores balance and drops amp draw. If your wheel’s never been cleaned, call (562) 548-7365 and we’ll check the static pressure for free.
Yes. We use a foaming coil cleaner that breaks down the salt-and-dust film on the entering side of the coil, then rinse it in place. For heavier buildup, we may need to pull the coil for a deeper clean, but that’s rare. The whole process usually adds about an hour to the service call.
Probably not a duct problem. It’s usually a restricted evaporator coil or a blower wheel loaded with dust. The thermostat reads airflow restriction, not filter condition, and both of those will trigger the warning even with a fresh filter. We clean the coil and blower, re-check static pressure, and the warning clears.
For a typical Long Beach single-family home with one Lennox system, expect to pay between $350 and $650 for full duct cleaning including blower wheel and evaporator coil cleaning. Larger homes with multiple returns, zoned systems, or heavily contaminated ductwork run higher. We give you one flat price per system in writing before any work starts, and that price doesn’t move at the door. Call (562) 548-7365 for an exact quote. Estimates are free.
Book Your Lennox Service in Long Beach, CA
Call (562) 548-7365 and a live person answers, day or night. We’ll schedule your Lennox air duct cleaning, give you a written price before we arrive, and back the whole job with our 365-Day Done Right Promise. Clean ducts aren’t a luxury; they’re just what the system needs to do its job.
Written by Roy Castellanos, Owner at Hollis Air Duct Long Beach, serving Long Beach since 2004.