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 Granada Hills North, CA
We provide independent Lennox air duct cleaning throughout Granada Hills North, CA. What makes our work here different comes down to one thing: we know how Santa Ana winds and brush-fire ash interact with Lennox duct systems in 91344, because we’ve been pulling fine grit out of those exact runs for years. If your Lennox furnace is pushing smoky or dusty air through a tract home built in the 1960s or 70s, call (833) 968-4871 for a straight answer and a free estimate.

We’re not a manufacturer affiliate or an authorized Lennox dealer. We’re an independent service company that has spent years working on Lennox equipment across the northwest San Fernando Valley. That independence means we diagnose what’s actually in your ducts without a sales script. For full Lennox sales & service context across the Valley, our brand page covers the equipment range we handle.
Why Granada Hills North Residents Choose Us for Lennox Service
Lennox systems show up everywhere in Granada Hills North: Merit Series furnaces in the original tract homes, Elite units in later additions, and the occasional Dave Lennox Signature Collection system in hillside builds. We know the difference between a G60 from 1972 and an ML180 from 2015, and we treat them differently because they fail differently. Our techs understand Lennox heat exchanger seams, evaporator coil placement, and the specific airflow quirks of these units without calling the manufacturer for guidance.
Benny Lawson, our owner, grew up in the Shadow Hills corridor just east of Northridge and trained through the HVAC/R program at Los Angeles Pierce College in Woodland Hills. He’s spent the better part of two decades crawling through attic spaces in this part of the Valley. What’s in your ducts doesn’t lie, and Benny has built his approach around that principle: inspect what comes out before explaining what caused it. If a system doesn’t need cleaning yet, we’ll tell you that and point out what to watch for instead.
We match the equipment to the job. Rotobrush brush-fed cleaning, Nikro HEPA-rated extraction, and Abatement Technologies negative-air containment all get used where each one fits best. That matters in Granada Hills North, where the debris isn’t standard household dust: it’s wind-driven grit, ash, and smoke particulate that settles deep into duct corrugations.
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 Granada Hills North
Here’s what we see repeatedly in Lennox-equipped homes across Granada Hills North, and specifically why those problems happen here rather than in areas like Lennox in Granada Hills South or other parts of the Valley:
- Ash-coated return ducts after fire season. Santa Ana winds push fine brush-fire ash through return grilles and into galvanized return runs. This material is fine enough to work into rigid duct seams and flex duct corrugations, where a standard vacuum won’t reach it. The result is a smoke odor that persists for weeks even with fresh filters.
- Flex duct collar leaks at the air handler. Older tract homes in Granada Hills North often have original flex duct runs where the collars have loosened over time. Santa Ana winds force grit through those gaps, coating the Lennox blower wheel and evaporator coil. You get reduced airflow and a system that runs hotter and longer in semi-arid Valley heat.
- Heat exchanger seam cracks in Merit Series furnaces. We see this failure accelerate after wildfire smoke events. Corrosive ash residue and repeated thermal cycling stress the seams on older Lennox G50 and G60 units. It’s a pattern we’ve watched for years in this part of the 91344 ZIP.
- Evaporator coil fouling from wind-driven dust. Lennox coils in this climate pick up a film of dust and ash that reduces heat transfer. The system works harder to move the same amount of air, and that shows up in longer run times and higher energy bills during the hot, dry summer months.
- Dirty return plenums feeding odor back into living spaces. Return-side duct interiors in Granada Hills North collect a visible layer of fine grit after each fire season. That layer clogs filters faster than normal and recirculates the smell of smoke every time the furnace cycles on.
Lennox Service in Granada Hills North: What Local Conditions Mean for Your Equipment
In Granada Hills North’s 91344 ZIP, the combination of original 1960s-70s galvanized ductwork and the area’s brush-fire proximity means return ducts often trap a layer of fine ash that regular vacuuming won’t remove. Our video inspections routinely show this grit embedded in flex duct corrugations and rigid duct seams after Santa Ana wind events. It’s not loose dust sitting on a flat surface; it’s compacted into the texture of the ductwork itself. That’s the reason standard cleaning methods leave homeowners still smelling smoke weeks after a fire. The particulate is physically stuck, and removing it requires brush agitation combined with HEPA extraction, not just suction.
For Lennox owners specifically, this is more urgent than it sounds. The same ash that coats your duct interiors is what accelerates heat exchanger seam wear on Merit Series furnaces and fouls evaporator coils. The wind events don’t just dirty the ducts. They shorten the lifespan of the equipment attached to them.
We serve all of Granada Hills North service area, from the ranch-style properties near the hillside to the newer infill builds scattered among the original tract homes.
Lennox Models & Products We Service in Granada Hills North
We clean ducts, returns, coils, and plenums on the full Lennox equipment range found in this part of the Valley and nearby communities like Lennox in Mission Hills: Merit Series furnaces (G50, G60, ML180), Elite Series units (EL180, EL280), and the Dave Lennox Signature Collection (SL280, SLP98). We also work on Lennox air handlers and evaporator coils in the CBX and CX families. When critical components like heat exchangers or control boards need replacement, we use OEM Lennox parts. For duct sealing and flex duct repairs, we use high-quality aftermarket materials that meet or exceed original specs. That distinction matters: OEM where the engineering demands it, smart aftermarket where it doesn’t.
If a Lennox system is 15-plus years old and facing major ductwork or heat exchanger issues, we give you an honest assessment. Sometimes targeted repairs make sense. We won’t push a rebuild when replacement is the smarter long-term call.
See the difference
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After
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AfterLennox Service Pricing in Granada Hills North
Air duct cleaning for a Lennox-equipped home in Granada Hills North typically runs between $400 and $900 for a full system, depending on the number of returns, the length of duct runs, and how much ash and debris has accumulated. Return duct cleaning and evaporator coil cleaning are priced as separate line items when they require dedicated equipment setup. Duct sealing work is quoted after inspection, since the scope depends on how many collar joints and seams need mastic. What drives cost here more than anything is fire-season buildup: a home that’s accumulated two or three seasons of wind-driven ash will take longer to clean properly than one that hasn’t. Your free estimate includes a visual inspection and an honest read on whether cleaning now makes sense or can wait a season. Call (833) 968-4871 to schedule one.
Serving Granada Hills North, CA – Our Local Coverage Area
We’re based in the Granada Hills North 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 Granada Hills North
Yes. Original galvanized duct runs from the 1960s and 70s have seams and joints that trap fine ash far more readily than newer sealed ductwork. After a brush fire or prolonged Santa Ana wind event, that ash sits inside the return-side ducts and gets recirculated every time the furnace runs. A standard cleaning won’t fully remove it; the grit needs rotary brush agitation and HEPA extraction. Call (833) 968-4871 and we’ll inspect what’s actually in your runs before quoting anything.
Because the smoke odor isn’t coming from the filter. It’s coming from fine ash and particulate embedded in the return duct interiors, especially flex duct corrugations and rigid duct seams. That material holds odor long after the outside air has cleared. Cleaning the return run and sealing any leaky collar joints is what solves it. New filters alone won’t touch it.
In most cases, yes. We can access the coil through the existing service panel on Lennox air handlers in the CBX and CX families, though the exact approach depends on the unit’s configuration and how much fouling is present. If the coil is heavily coated with ash and dust from Santa Ana wind events, we’ll tell you what the cleaning will involve and what you can expect afterward. Estimates are free: call (833) 968-4871.
More often, and it’s not close. Granada Hills North sits directly in the path of wind-driven grit and brush-fire ash that other parts of the Valley don’t experience with the same intensity. Homes in 91344 typically need return duct cleaning after major fire seasons, and many benefit from inspection after every sustained Santa Ana wind event. A good rule of thumb: if you can see a gray film on your return grilles, there’s more of it inside the ducts. Call (833) 968-4871 and we’ll do a video inspection so you can see exactly what’s in there.
We seal first, replace only when necessary. Most leaks at flex duct collar joints respond well to mastic sealing, and we do that work as a distinct service line, not an afterthought. If a run is collapsed, torn, or degraded to the point where sealing won’t hold, we’ll show you the damage on video and give you a replacement quote. Either way, you’ll know what you’re paying for before we start.
Service Areas Near Granada Hills North
We work throughout the northwest San Fernando Valley, including Northridge, North Hills, Santa Susana, Winnetka, and Granada Hills South. For Lennox owners just outside this area, see Lennox service in Sun Valley or Lennox service in Beverly Glen.
Book Your Lennox Service in Granada Hills North Today
If your Lennox system is pushing dusty, smoky, or stale air through your home in Granada Hills North, we’ll find out why. Call (833) 968-4871 for a free estimate and a straight answer on what your ducts actually need.
Written by Benny Lawson, Owner at Air Duct Cleaning Northridge, serving Granada Hills North and the wider San Fernando Valley.