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 Valley Glen, CA
We provide independent Lennox air duct cleaning across Valley Glen, and the thing that makes our work here different is simple: most of the systems we open up in this neighborhood were installed when Eisenhower was president. A Lennox furnace or air handler sitting in a Valley Glen attic has usually spent sixty-plus years baking in San Fernando Valley heat, which means the ductwork around it needs an assessment, not just a vacuum pass. If you own a Lennox system in Valley Glen, call (833) 589-9715 for a free estimate. We answer 24/7.
Why Valley Glen Residents Choose Us for Lennox Service
We’ve worked on Lennox systems across the San Fernando Valley for years, from the builder-grade units in 1950s tract homes to newer Elite Series installs, so we know their duct interfaces, coil cabinets, and airflow quirks firsthand. As an independent provider, we focus on what your Lennox system actually needs in Valley Glen’s mid-century attics, not on selling you a brand badge.
Stan Merrick, our owner and lead technician, studied HVAC systems at Los Angeles Valley College right here in Valley Glen. That hands-on coursework in air distribution and mechanical systems still shapes how he diagnoses a stubborn duct layout. His youngest daughter has asthma, which is what originally pulled him toward the air quality side of the trade. He takes indoor air quality seriously in a way that is not performative. We bring contractor-grade equipment, residential pricing, and a straight answer every time.
We are not a generalist handyman service that happens to offer duct cleaning. We operate Rotobrush contact-cleaning systems and Nikro HEPA vacuum equipment, the same platforms restoration and abatement crews trust. That matters when you are dealing with a Lennox system wrapped in suspect tape and fiberboard from the Truman administration.
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 Valley Glen
Here is what we actually find when we open up Lennox systems in this part of the Valley:
- Failed duct tape and mastic on original rigid galvanized plenums. Valley Glen attics routinely hit 140°F or more during the long cooling season. That heat bakes the adhesive out of old tape, the joints separate, and return-air leaks start pulling attic dust and insulation into your Lennox airstream. We find this on Merit Series furnaces and older builder-grade Lennox units constantly.
- Friable fiberboard duct lining shedding into supply air. 1950s-era Lennox systems here often used rigid fiberboard duct runs. After six or seven decades of hot, dry attic conditions, that lining breaks down and releases fibers into the air your family breathes. When the blower runs continuously through Valley Glen summers, the shedding accelerates.
- Fouled Lennox evaporator coils on CH33 and CX34 ducted coils. These coils often sit in tight closet platforms or attic spaces where return-side bypass and dirty filters let dust through. Long cooling seasons mean long runtimes, which means the coil loads up faster than you would expect.
- Undersized or mismatched duct retrofits around Lennox air handlers. Many Valley Glen homes were built with smaller duct runs sized for original equipment, then retrofitted piecemeal over the decades. The result is static pressure imbalances that stress blower motors and heat exchangers in Merit and Elite furnaces.
- Return-air leaks at the plenum connection. We trace a lot of dust complaints back to this. The connection between the return plenum and the Lennox air handler is a weak point in these older systems, and once it opens up, attic air gets pulled straight into the blower.
Lennox Service in Valley Glen: What Local Conditions Mean for Your Equipment
Valley Glen’s 91405 is a mid-century San Fernando Valley pocket where a huge share of homes were built in the postwar 1940s and 1950s boom. A lot of those original ducts were wrapped in asbestos-bearing tape and rigid fiberboard runs, so what starts as a routine Lennox duct cleaning call often becomes a careful abatement-aware inspection. We do not put a brush or vacuum into ductwork until we have done a visual and video assessment of what is actually in there. That is a different starting point than you would get in the flexible-duct newer construction of neighboring Valley cities.
On a ranch house off Oxnard Street in Valley Glen, we found a Lennox Merit Series furnace with a return plenum wrapped in failing 1950s duct tape and fiberboard lining shedding into the supply trunk. We ran a video inspection, sealed the accessible joints with mastic, cleaned the evaporator coil and blower, and replaced the friable fiberboard section with insulated metal duct. The airflow came back, and the fiber debris the customer had been seeing on their registers stopped. That is the kind of job we do regularly here. Clean air is not a luxury. It is just what the system is supposed to deliver.
Lennox Models & Products We Service in Valley Glen
We service the full range of Lennox equipment found in Valley Glen homes, including Merit Series systems like the 14ACX and ML14XC1, Elite Series equipment like the EL16XC1 and EL296V, and Signature Collection units like the XC21 and SL280V. We also work on Lennox ducted evaporator coils, including CH33 and CX34 models, which are common in the closet and attic platforms around here.
For critical components like blower motors and coil assemblies, we use OEM Lennox parts when they are available. For duct connectors, sealants, and insulation, we use high-quality aftermarket equivalents where performance and fit are equal. The part has to fit the system and hold up in a Valley Glen attic. That is the bar. If your Lennox air handler or coil is over 15 years old and the ductwork needs extensive sealing and insulation, we will tell you when repair stops making financial sense. We never push replacement before it is actually warranted.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Valley Glen
Air duct cleaning for a typical Valley Glen ranch house generally runs between $450 and $900, depending on the size of the system and how many returns and registers are involved. Dryer vent cleaning usually falls between $125 and $250. Duct repair and sealing work is quoted per job, because a simple mastic seal on one plenum joint is a very different job than replacing a friable fiberboard section in a low attic.
The estimate is free, and the price is set per job by the written estimate before any work starts. No per-vent pricing games. Call (833) 589-9715 and we will walk through what your system actually needs.
Serving Valley Glen, CA – Our Local Coverage Area
We serve Valley Glen 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 Valley Glen
Yes, but we start with a visual and video assessment before any brush or vacuum touches the ductwork. If we find suspect tape or fiberboard that appears disturbed or deteriorating, we flag it and discuss options with you. We operate Abatement Technologies filtration equipment, so our containment standard is built for exactly this situation. In many Valley Glen attics, the safest path is to address the compromised material rather than agitate it. Call (833) 589-9715 for an assessment.
Attic temperatures here regularly exceed 140°F during the cooling season, which dries out old duct tape, breaks down fiberboard lining, and accelerates air leakage at every joint. We can seal accessible joints with mastic, replace failing insulation sections with insulated metal duct, and clean the coil and blower so the system is not fighting itself. The fix is specific to your duct layout, which is why we start with an inspection.
CH33 coils are ducted evaporator coils, and in Valley Glen they are often installed in tight closets or attic platforms. When return-side bypass or a dirty filter lets dust through, the coil becomes the filter. Long cooling runtimes compound the problem. We clean the coil, check the return path, and seal the leaks that are pulling attic air into the system. That combination usually keeps the coil clean far longer.
Yes. We work on the Lennox package units and ducted systems found in the 1960s and 1970s apartment buildings along the major boulevards in Valley Glen. The process is similar to a house job: video inspection first, then cleaning, then sealing where needed. We coordinate with property managers on access and scheduling.
We use Rotobrush contact-cleaning systems to dislodge debris at the duct wall, and Nikro HEPA vacuum equipment to capture particles down to 0.3 microns so what we remove stays contained. The big difference on Lennox systems in Valley Glen is the inspection work: we trace the duct layout, check the coil, look for failed tape and friable fiberboard, and fix what is wrong rather than cleaning around it. Estimates are free, so call (833) 589-9715 and we will tell you exactly what your system needs.
Service Areas Near Valley Glen
We serve homes and buildings throughout Valley Glen, including the neighborhoods around Oxnard Street, Magnolia Boulevard, and Burbank Boulevard. Our Lennox service also covers nearby communities including Sherman Oaks to the south, North Hollywood and the NoHo Arts District to the east, Van Nuys to the west, and Toluca Lake just across the 170.
Book Your Lennox Service in Valley Glen Today
Call (833) 589-9715 for a free estimate on your Lennox duct cleaning, coil cleaning, or duct repair. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by Stan Merrick, Owner at Onyx Duct Cleaning, serving Valley Glen since 2013.