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 North Hollywood, CA | Kestrel Air Duct Los Angeles
Our Air Duct Cleaning - North Hollywood team cleans and seals Lennox ductwork across the area, and we’re the independent Lennox service provider that doesn’t answer to a corporate playbook. What makes our Lennox work here different is simple: we know how the brand’s sealed duct designs and high-efficiency coils behave after decades of San Fernando Valley dust, Santa Ana wind grit, and NoHo Arts District renovation debris. If you own a Lennox system in North Hollywood and the airflow feels weak or one room always runs warm, call (213) 733-0665 and we’ll tell you what’s actually going on.
Why North Hollywood Residents Choose Us for Lennox Service
We work on Lennox systems in North Hollywood every week, from Merit Series units in garden apartments off Vineland to Signature Collection systems in remodeled ranch homes near the NoHo Arts District. Dale Whitmore, our owner, grew up in the Palms neighborhood and spent two decades learning the diagnostic side of duct work: why a house holds dust, why one room never cools, why a Lennox blower throws an airflow code after a wind event. He built this company on the belief that you deserve a written price before we touch a vent, and a written guarantee after we leave. When you call Kestrel Air Duct Los Angeles, you don’t get a call center. You get a live person, any hour, and a tech who knows Lennox sales & service well enough to spot a mastic failure before the camera goes in.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in North Hollywood
- Elite Series variable-speed blower modules clogging with fine construction dust. North Hollywood has a steady supply of drywall sanding and set construction dust that finds its way through worn return duct seals. When that fine gray powder coats the blower cage on a Lennox Elite air handler, the variable-speed module reads rising static pressure and may shut down or throw airflow errors. We remove the blower, clean the cage, seal the return leaks, and verify static pressure before we leave.
- Original 1980s Lennox duct connections separating at mastic joints. North Hollywood’s winter temperature swings cause duct metal and mastic to expand and contract at different rates. On older ranch-style homes with original Lennox duct runs, those mastic joints crack and separate, leaving supply-side leaks that dump conditioned air into the attic. We find them with a video camera, reseal with commercial-grade mastic, and test the system under pressure.
- Lennox evaporator coils coated with paint overspray and set dust. Homes near the NoHo Arts District often have a history of filming or adjacent set construction. Paint overspray and sawdust settle onto the evaporator coil, reducing heat exchange and driving static pressure up. A coated coil means your Lennox system runs longer to hit the same temperature. We clean the coil with professional-grade methods that restore airflow without damaging fins.
- Merit Series systems in garden apartments with crushed flex duct. North Hollywood’s low-rise garden apartments typically have tight attic chases and decades-old flex duct. We regularly find return ducts crushed, torn, or kinked, which starves the single-stage Merit blower of air. The result is weak airflow from every register and a system that can’t keep up in a North Hollywood summer. We replace the damaged flex with properly sized duct and restore balanced return airflow.
- Dave Lennox Signature Collection systems with filtration bypass. Higher-end Lennox systems in upgraded NoHo homes often run Healthy Climate filtration add-ons. If the filter housing isn’t seated correctly or the bypass damper is left open, unfiltered air circulates through the home while the homeowner believes they’re protected. We check the entire filtration path during cleaning and correct any bypass issues we find.
Lennox Service in North Hollywood: What Local Conditions Mean for Your Equipment
Ductwork in homes near the NoHo Arts District often carries a distinct pale gray talc-like dust from drywall sanding on film sets. It’s not the reddish, gritty dust you see from the hills. It’s finer, lighter, and it behaves differently inside a Lennox system. Our techs can spot filming-related contamination by sight before we run a camera, because that pale gray paste has a specific look on a blower cage and evaporator coil. We opened the return plenum on a 1952 ranch-style home in the NoHo Arts District and found the Lennox Elite air handler’s blower cage coated in a gray paste of paint dust and drywall sanding residue. We ran video inspection through the return trunk, found two separated flex connections at the mastic joints, resealed them, and cleaned the evaporator coil, bringing static pressure down from 0.9 to 0.5 inches. That’s the kind of measurable difference we can show you in writing before and after the job.
Lennox Models & Products We Service in North Hollywood
We service the full Lennox residential line across North Hollywood, including Elite Series variable-speed air handlers with matching evaporator coils, Merit Series entry-level single-stage systems common in garden apartments, and Dave Lennox Signature Collection modulating systems found in upgraded NoHo homes. We also clean and verify Healthy Climate filtration and ventilation add-ons attached to Lennox ductwork. For parts, we use quality aftermarket filters, gaskets, and mastic that match or exceed Lennox specs. When exact electrical tolerances matter, like control boards or variable-speed motors, we recommend OEM Lennox parts. If a Lennox heat exchanger or coil is beyond economical repair, we’ll tell you plainly and help size a replacement by actual duct measurements, not just brand name.
See the difference
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Before
AfterLennox Service Pricing in North Hollywood
Most Lennox air duct cleaning jobs in North Hollywood run between $450 and $850 for a full system, depending on home size, number of returns, and how much duct sealing or coil cleaning is needed. A single evaporator coil cleaning typically adds $150 to $250. Duct sealing by the run starts around $40 per accessible section. What drives your final number is the condition we find: separated mastic joints, crushed flex, or a blower cage caked with set dust all add labor. Our written estimate covers the whole system at one price, agreed before we start. Call (213) 733-0665 for a free estimate based on your home, not a per-vent price sheet.
Serving North Hollywood, CA - Our Local Coverage Area
We’re based in the North Hollywood 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 North Hollywood
Yes. Santa Ana winds drive fine dust against your home’s exterior, and any crack in older ranch-home duct seams becomes an entry point. Sealing those Lennox duct runs with commercial-grade mastic keeps wind-driven dust out of the supply air and stops conditioned air from leaking into the attic. Call (213) 733-0665 and we’ll camera-inspect your seams and show you exactly where the leaks are before we seal anything.
Yes. Paint overspray on the interior of ductwork is common in homes that were used for filming. The cleaning process removes the loose debris, but paint that has bonded to the duct surface usually stays. What matters is whether the paint is flaking into the airflow or coating the evaporator coil. We’ll inspect and tell you what’s worth addressing and what’s cosmetic.
If your Merit Series system runs constantly on hot afternoons, has weak airflow at the registers, or makes a whistling sound at the return grille, the return duct may be undersized or crushed. Garden apartments in North Hollywood commonly have original flex duct that’s torn or kinked in tight attic chases. We measure static pressure and can confirm whether the return side is starving the blower. For an exact diagnosis, call (213) 733-0665 and we’ll test it.
Yes, in the short term. A clean coil restores heat exchange and lowers static pressure, which helps your Lennox system cool more efficiently. But if the neighbor’s renovation dust keeps entering your system, the real fix is sealing the return leak or upgrading the filtration. We’ll clean the coil and then show you where the dust is getting in, so it doesn’t just return in six months. Call (213) 733-0665 to set up a coil cleaning and inspection.
Santa Ana winds push a large volume of fine dust through any gaps in your return duct. On Lennox Elite variable-speed systems, that dust accumulates on the blower cage and the control module reads rising static pressure. If the pressure climbs too high, the blower can shut down or display an airflow error. We clean the blower, seal the return leaks, and verify static pressure is back within Lennox spec before we finish - that’s part of our Dryer Vent Cleaning in North Hollywood approach to full-system care. Call (213) 733-0665 for a same-week appointment in North Hollywood.
Service Areas Near North Hollywood
Our crews serve North Hollywood service area plus the surrounding San Fernando Valley and Los Angeles basin. If you’re in Van Nuys, Los Angeles, West Hollywood, Santa Monica, or West Los Angeles with a Lennox system, we’ll come to you. Kestrel Air Duct Los Angeles also handles Lennox service in Los Angeles and Lennox service in Van Nuys with the same written pricing and guarantee.
Book Your Lennox Service in North Hollywood Today
Want a Lennox system that breathes cleanly through another North Hollywood summer? We’ll give you a written price before we start, show you video proof when we finish, and back the work with our 365-Day Done Right Promise. Call (213) 733-0665 for a free estimate.
Written by Dale Whitmore, Owner at Kestrel Air Duct Los Angeles, serving North Hollywood since 2004.