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 service throughout Granada Hills North and Lennox in Granada Hills South, and the single factor that separates our work here from any other Valley neighborhood is the post-1994 earthquake ductwork. Hundreds of homes in Granada Hills North still run patched, mismatched duct systems that leak debris into Lennox air handlers. If your Lennox system breathes through original galvanized steel or early flex duct, call (855) 353-1653 for a cleaning and inspection that accounts for what actually happened to these attics.

Air Duct Cleaning Reseda is not affiliated with Lennox, but our technicians have cleaned, sealed, and repaired hundreds of Lennox systems in Granada Hills North’s harsh attic environments. We know which Lennox models trap debris, which fail under heat, and which need more than a vacuum pass. We also know this city’s housing stock, its wildfire ash patterns, and its earthquake-era duct repairs better than any out-of-area crew.
Why Granada Hills North Residents Choose Us for Lennox Service
Most companies that clean ducts in Granada Hills North or offer Lennox service treat every system the same. We don’t, because a Lennox Signature Collection air handler doesn’t behave like a Merit Series unit, and neither one behaves the same way in a 1960s ranch with a low-pitch attic as it does in a newer two-story off Balboa. Ray Lambert, our owner and lead technician, studied HVAC technology at Los Angeles Pierce College and has spent his adult life working the same San Fernando Valley neighborhoods he grew up in, two blocks from Reseda Park. That means when we open a Lennox system in Granada Hills North, we already know what the attic above it is doing to the ductwork below.
We’re equipped for the specific problems this area throws at Lennox equipment. Our approach isn’t just vacuuming what’s visible; it’s identifying where the debris is coming from, whether that means a disconnected return chase pulling hot attic air or a plastic drain pan cracked by 140°F summer heat. We clean, then we repair. If we find a leak, we seal it. If we find collapsed flex, we replace it. That’s the difference between a cleaning that lasts and one that needs redoing in six months.
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
- Cracked plastic drain pans in Lennox air handlers. Attic temperatures in Granada Hills North routinely exceed 140°F in July and August. Lennox air handlers with plastic drain pans, especially older Signature and Elite units, develop hairline cracks under that repeated thermal stress. Moisture seeps into the insulation and ductboard, creating the musty odor you smell when the system cycles on. We identify the cracked pan during cleaning and replace it with OEM parts before it becomes a ceiling stain.
- Collapsed flex duct at Lennox supply plenums. The 1950s and 1960s tract homes that dominate Granada Hills North often had flex duct retrofitted decades ago, sometimes badly. Insulation baked off in attic heat leaves the inner liner brittle, and the connection at the Lennox supply plenum is the first place it collapses or pulls loose. Your bedroom downstairs gets weak airflow while the attic gets air-conditioned. We find these disconnects with video inspection and rebuild the run properly.
- Return ducts pulling wildfire ash into Lennox systems. Return chases in many Granada Hills North homes draw from the attic rather than the living space, especially in older ranch layouts. During wildfire season, ash and soot settle in those attics and get pulled straight into the Lennox filter, the blower, and the evaporator coil. You’ll see a gray film on everything inside the cabinet. We clean the full return path and seal the attic-side joints so the system stops feeding on attic air.
- Dust-clogged Lennox evaporator coils with dense fin spacing. Lennox coils, particularly in the XC and XP series, use tight fin spacing for efficiency. That’s great until Granada Hills North’s fine dust loads compact into the fins and choke airflow. A coil that’s 40% clogged can add real dollars to your summer electric bill. We use Nikro HEPA-filtered air washing and coil-specific cleaning to restore proper static pressure without bending fins.
- Earthquake-era duct patches that leak debris and conditioned air. After the 1994 Northridge quake, a lot of Granada Hills North homeowners had ductwork patched quickly and cheaply, often with mismatched materials and loose joints that have never been properly sealed since. Those joints leak dust into the system and conditioned air into the attic. Cleaning alone won’t fix them. We locate the leaks and seal them with mastic as part of the service.
Lennox Service in Granada Hills North: What Local Conditions Mean for Your Equipment
If you live in the neighborhoods around Zelzah Avenue, Kingsbury Street, or anywhere in the 91344 ZIP code, your attic is likely doing more to your Lennox system than you realize. Granada Hills North’s housing stock came mostly from the 1950s and 1960s tract boom, and the original installations reflect that era’s thinking: galvanized steel duct with minimal insulation, run through attics that were never designed for modern cooling loads. Summer temperatures above 140°F bake off whatever insulation was there, which means your Lennox system is moving air through what amounts to uninsulated metal in a convection oven. Debris accumulates faster, condensation forms in the wrong places, and the system works harder than it should. On top of that, the 1994 Northridge earthquake left thousands of these homes with duct patches that were never inspected again, often buried in low-pitch attics that are nearly impossible to access without the right equipment. Cleaning a Lennox system in Granada Hills North without checking for those leaks is like mopping a floor while the pipe above it is still dripping. The leak detection is the service. The cleaning is the result.
Lennox Models & Products We Service in Granada Hills North
Our technicians work on the full range of Lennox residential equipment, including the Signature Collection XC and XP series, the Elite Series EL16XC1 and EL296V, and the Merit Series ML14XC1 and related models. We understand the difference between a variable-speed Elite air handler and a single-stage Merit unit, and we adjust our cleaning process accordingly. For critical components like control boards and blower motors, we spec OEM parts. For duct sealing products and insulation, we use high-quality aftermarket materials that meet or exceed OEM specifications, which keeps turnaround faster without cutting corners. If you’re considering Lennox sales & service for repairs or replacement, we’ll give you an honest read on whether your current equipment is worth saving before you spend on cleaning.
See the difference
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After
Before
After
Before
AfterLennox Service Pricing in Granada Hills North
Air duct cleaning for a Lennox system in Granada Hills North typically runs between $450 and $950 for a full residential home, depending on system size, number of returns, attic access difficulty, and whether earthquake-era repairs have left leaks that need sealing. A full-system cleaning with video inspection and coil service on a larger two-story home with a Signature system can push toward the higher end. What drives the cost here more than anything is access. Low-pitch attics off Zelzah or Kingsbury, the kind you crawl through on your stomach, add real labor time. We don’t quote per-vent prices or teaser coupons. You get one flat price per system, agreed before any work begins, and before-and-after photos of your own ducts so you can see exactly what changed. Call (855) 353-1653 for a free estimate tailored to your Granada Hills North home.

Serving Granada Hills North, CA – Our Local Coverage Area
We’re based in the Granada Hills North area and also offer Lennox in Granada Hills, so we 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
The sustained attic heat in Granada Hills North, often above 140°F in summer, accelerates insulation breakdown on ductwork and stresses plastic components inside Lennox air handlers. Over time this means more debris entering the system, more leaks at joints, and faster coil fouling. If your Lennox system hasn’t been cleaned in several years, the heat has almost certainly created work for us. Call (855) 353-1653 and we’ll tell you what we expect to find before we even open the attic access.
Yes, and the cleaning should include leak detection, not just vacuuming. Many Granada Hills North homes still have earthquake-era patches with loose joints and mismatched materials that leak conditioned air and pull in attic dust. A cleaning that ignores those leaks will look fine for a few months and then degrade. We locate and seal those joints as part of the service. Call (855) 353-1653 to schedule an inspection of your post-earthquake ductwork.
We can, and we do it regularly. Low-pitch attics make coil access physically difficult, but our crews run HEPA-filtered Nikro equipment that fits into tight spaces without tearing out drywall. The dense fin spacing on Lennox coils means they need more than a surface brushing, and we use air-washing techniques that clear the fins without bending them. If your coil hasn’t been cleaned in years, the airflow loss alone is probably costing you more than the cleaning will.
Mastic, applied at every accessible joint, is the durable fix. Tape fails, mastic doesn’t. In the low-pitch attics common around Granada Hills North, we also replace crushed flex runs that can’t be sealed effectively. The combination of mastic sealing and flex replacement stops both air loss and debris infiltration. We assess your system’s leaks with video inspection before quoting any sealing work.
Our scope covers residential and property-management work, not large commercial contracts. If you manage a rental or multi-unit property in Granada Hills North with Lennox systems, or need Lennox service in North Hills West, we can talk about scheduling cleaning and repair across your units. For a property-specific quote, call (855) 353-1653 and we’ll assess what you’re working with.
Service Areas Near Granada Hills North
We serve the full 91344 ZIP code and the surrounding neighborhoods. If you’re in Reseda, you’re in our home base, and we’ve written separately about Granada Hills North service area coverage for this page’s focus. Nearby, we also provide Lennox service in Beverly Glen and Lennox service in Reseda for homeowners dealing with the same heat and ductwork challenges.
Book Your Lennox Service in Granada Hills North Today
If your Lennox system is breathing through ductwork that has been baking in a Granada Hills North attic since before the Northridge earthquake, it’s time to see what’s actually in there. Call (855) 353-1653 for a free estimate. We’ll walk you through what your system needs, what it doesn’t, and what it costs before any work starts.
Written by Ray Lambert, Owner at Air Duct Cleaning Reseda, serving Granada Hills North and the San Fernando Valley since 2011.