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 Bel Air, CA
We handle independent Lennox air duct cleaning across Bel Air, from the East Gate flats up to the hillside estates off Bellagio and Stradella. The one thing that separates Lennox work here from everywhere else: Bel Air’s exterior attic-mounted air handlers pull canyon soot and Sepulveda Pass ash into the return side every fire season, which means a “clean” duct system in this zip code often tests dirty from the outside in. We’re Duct Cleaning Brentwood, and we specialize in cleaning and repairing what those conditions do to Lennox equipment. Call (833) 631-4988 for a free estimate, and see Lennox sales & service coverage details.

Why Bel Air Residents Choose Us for Lennox Service
Most duct cleaners see a Lennox air handler as just another box in the attic. We don’t. We’ve spent years opening Lennox cabinet layouts, pulling ECM blower wheels, and inspecting all-aluminum coil fins on hillside estates throughout Bel Air service area homes, so we know exactly how these systems fail when canyon dust and fire-season ash get involved. Rick Sommer, our owner and lead technician, grew up a few miles from here in Brentwood and started this company after gutting his own ducts and seeing what was actually in them. He runs every job with the same mindset: open it up, show you what’s there, fix what’s broken. We’re an independent provider. No authorization, partnership, or warranty endorsement from Lennox is implied, and we don’t pretend otherwise.
What we do bring is professional-grade Rotobrush and Nikro cleaning systems, the kind of equipment residential and commercial properties rarely see from commodity duct cleaners. We repair what we find, not just clean around it. If a mastic splice failed where 1970s galvanized trunk meets newer flex, we’ll reseal it. If a condensate pan is cracked, we’ll flag it and quote the fix.
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 Bel Air
- ECM blower wheels caked with Sepulveda Pass soot. Lennox variable-speed air handlers use ECM motors that spin a blower wheel with tight tolerances. When Bel Air’s canyon breezes push fine ash through exterior attic returns, that wheel cakes up. Static pressure climbs, airflow drops, and the board can trip into low-stage-only operation. We pull the blower, clean the wheel, and restore full-stage airflow.
- All-aluminum evaporator coils with ash-bridged fins. Newer Lennox Signature and Elite units use all-aluminum coils for corrosion resistance, but that doesn’t stop ash from packing between the fins. In Bel Air, dry fire-season soot sits on the coil, then any condensation turns it into a paste that blocks heat transfer. We clean the coil properly, not just the surface.
- Failed mastic splices between original galvanized trunk and newer Lennox flex. Bel Air’s 1960s and 70s estates often have original trunk-and-branch galvanized runs with flex takeoffs added during later remodels. When the mastic at those splices dries and cracks, the negative pressure inside the return pulls canyon dust straight into the system. We find these failures during cleaning and reseal them.
- Cracked condensate drain pans in attic-mounted Lennox air handlers. Heat cycling through Bel Air summers and fire seasons accelerates fatigue in plastic drain pans. We’ve seen pans cracked and leaking into attic insulation on Bellagio and Stradella estates. If we find standing water or pan damage during a cleaning, we tell you before we leave.
- Long-run multi-zone systems with uneven airflow. A 6,000 sq ft Bel Air estate with four forced-air zones puts demands on ductwork that tract-house systems never see. Dust accumulates unevenly, returns pull harder on certain wings, and registers at the end of long runs starve for air. Cleaning a system like this is a multi-day job when done right. We plan the work zone by zone.
Lennox Service in Bel Air: What Local Conditions Mean for Your Equipment
Here’s the Bel Air fact that shapes almost everything we do on Lennox equipment here. On exterior attic-mounted air handlers, the return plenum and coil sit just inches from the attic vents that Bel Air’s canyon breezes blow through. When the Getty, Skirball, or Sepulveda Pass burns, that smoke and ash get pulled straight into the return side of the system, even if every window in the house is closed and the HVAC is running in recirculation mode. The blower wheel and coil are downstream of the filter, so they take the hit directly. A return trunk in Bel Air can test clean at the register and still have a coil packed with grey soot at the air handler. That’s why we camera-inspect every system before we quote. If you own a Lennox repair in Wilshire Center or Bel Air system, fire season isn’t just an outdoor problem. It’s an indoor air problem that compounds every year.
Lennox Models & Products We Service in Bel Air
We clean and service the full range of Lennox residential equipment found in Bel Air homes. That includes the Merit Series (ML and XC13) air conditioners with matching air handlers, Elite Series (EL and XC16) split systems running variable-speed air handlers, and Dave Lennox Signature Collection (SL and XC25) variable-capacity systems. We also see legacy Lennox CompleteHeat and CBWM-style furnaces from 1980s and 90s remodels, particularly on the older flats near East Gate. Where the cabinet fit and control compatibility matter, we use Lennox OEM coils, pans, and ECM blower modules. For flex, mastic, and insulation, we use quality aftermarket materials that perform as well or better. On a 20-year-old Lennox air handler, we’ll tell you honestly if coil replacement plus sealing makes more sense than another cleaning.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Bel Air
Air duct cleaning for a Lennox system in Bel Air typically runs between $450 and $1,200, depending on system size, number of zones, and how heavily the ducts are soiled. A full-system cleaning on a 6,000 sq ft multi-wing estate with four zones and exterior attic air handlers can run higher, and we quote those as a flat price per system, not per vent. What drives cost here more than anything: access. Attic-mounted air handlers on hillside estates, long duct runs, and years of fire-season ash buildup all add labor time. We don’t bait-and-switch with a low coupon and inflate it once the van is parked. You get one flat price agreed before we start, and before-and-after photos of your own ducts. Call (833) 631-4988 for a free estimate.
Serving Bel Air, CA – Our Local Coverage Area
We’re based in the Bel Air 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 Bel Air
Because Bel Air’s exterior attic-mounted air handlers sit next to attic ventilation that canyon breezes blow through constantly. Smoke and ash from the Getty, Skirball, and Sepulveda Pass fires get pulled into the return side through attic vents and gaps around the air handler cabinet itself. The blower wheel and coil sit downstream of the filter, so they collect the soot even when the house is sealed up. We clean this on nearly every Lennox job we do in this zip code, and we also offer Dryer Vent Cleaning in Bel Air. Call (833) 631-4988 if your coil hasn’t been inspected since the last fire season.
Yes, and we do it regularly across Bel Air’s mid-century estates. These original galvanized systems are durable but were built before modern filtration, so decades of dust, ash, and remodel debris sit inside them – that’s why our Air Duct Cleaning in Bel Air includes full trunk and branch cleaning. We clean trunk lines and branch runs register by register, and we inspect every splice where newer flex was added. The duct doesn’t lie, open it up and you’ll know exactly what you’ve been breathing. These jobs usually take multiple days, and we plan them zone by zone so the house stays livable.
It often is, especially in Bel Air. When the ECM blower wheel gets caked with ash and soot, static pressure rises and the control board restricts the system to low stage to protect itself. It could also be a plugged filter, collapsed flex, or a failed mastic splice pulling dust into the return. We diagnose the airflow side first, because that’s what Bel Air conditions damage most. If the blower wheel is packed, we pull it and clean it. If the problem is elsewhere, our Lennox service in Sawtelle team has seen the same pattern and can advise.
The aluminum itself resists corrosion, but ash still packs between the fins and blocks heat transfer. When condensation hits that ash layer, it forms an insulating paste that reduces coil efficiency and can hold moisture against the aluminum longer than it should. We clean the coil fins, not just the exterior cabinet. On newer Signature and Elite units with all-aluminum coils, we’re careful with cleaning pressure to avoid fin damage. Call (833) 631-4988 for an exact quote on coil cleaning.
Depends on the condition of the splice and the flex itself. In Bel Air’s remodeled 1960s and 70s estates, we often find flex that was poorly mastic-sealed where it meets the original galvanized trunk. If the flex is intact and the splice is just leaking, resealing is the right call. If the flex is degraded, torn, or pulled out of round, replacement is cheaper in the long run. We’ll show you the camera footage and let you decide. For a second opinion, our Lennox service in Cheviot Hills customers face the same remodel-splice issues.
Service Areas Near Bel Air
We serve Bel Air and the surrounding westside neighborhoods, including Brentwood, Pacific Palisades, Sawtelle, and Cheviot Hills. If you’re in the 90024 zip code or nearby hillside communities, we’re already familiar with your housing stock and the Lennox equipment that runs through it.
Book Your Lennox Service in Bel Air Today
If your Lennox air handler hasn’t been opened and inspected since the last fire season, it’s overdue. We clean and repair Lennox duct systems across Bel Air with professional-grade equipment and straight answers. Call (833) 631-4988 to schedule a free estimate.
Written by Rick Sommer, Owner at Duct Cleaning Brentwood, serving Bel Air’s Lennox-equipped homes with professional-grade Rotobrush and Nikro air duct cleaning systems.