Lennox Air Duct Cleaning in South Huntington, NY | Landmark Air Duct Cleaning Service New York
Independent Lennox air duct cleaning in South Huntington typically runs $350–$850 for a full residential system, with most jobs completed in a single visit. We’re not a Lennox dealer or authorized servicer—we’re the independent specialists South Huntington homeowners call when they need the soot, mold, and debris removed from ducts that their Lennox equipment has been struggling against for years. For a free estimate on your system, call (833) 754-6107.
Why South Huntington Residents Choose Us for Lennox Service
Richard Anderson — owner and lead technician — handles your job personally. That matters in a town where the ducts are older than most of the technicians franchise companies send out.
We’ve spent two decades working specifically on duct and HVAC cleaning, not as a side service tacked onto general heating work. When you call us for your Lennox Elite Series or Merit Series system, you’re getting someone who’s pulled apart more post-war ductwork in South Huntington than he can count. Richard grew up in Woodside, Queens, a few blocks from the elevated 7 train, and learned the mechanical side of this trade at New York City College of Technology in Brooklyn. That hands-on foundation shows up in how we approach these old systems.
Our equipment comes from Rotobrush, Nikro, and Abatement Technologies — the same brands commercial contractors use, not the lightweight gear most residential crews carry. And our numbers back it up: 548 customers, 4.9 stars — results you can verify before you book. From cleaning to repair to sanitizing, one call closes the loop on your air quality.
“I’ll tell you what you need. I won’t sell you what you don’t.” That’s how Richard built this business on word-of-mouth referrals in the first place.
Common Lennox Air Duct Cleaning Problems We Solve in South Huntington
- Oil-burner soot choking Lennox airflow. South Huntington’s 1950s–60s homes were built with oil-fired forced-air heating, and that fine soot residue never fully leaves galvanized steel ductwork — even decades after converting to a gas or heat-pump Lennox system. The new equipment works harder, runs longer, and still can’t push proper volume through those coated branches.
- Mold colonization in fiberglass-lined trunks. Long Island’s humid summers, fed by moisture from Long Island Sound and the Atlantic, turn original fiberglass-lined ductwork from the 1960s into a breeding ground. Your Lennox Signature Collection air handler ends up distributing musty air every time it cycles.
- Rust-through at slab-foundation ranches. South Huntington’s clay-rich soil wicks moisture into the lowest points of sheet-metal trunk lines. We’ve found rust holes in the bottom of trunks that pull in crawl-space air and dump it straight into the Lennox supply stream.
- Failed mastic seals in retrofitted attic runs. Cape Cods with knee-wall additions often have patched-together ductwork where original 1950s trunks meet newer flex runs. The mastic cracks, attic insulation fibers and dust enter the system, and your Lennox filter loads up in weeks instead of months.
- Uneven heating after Lennox upgrades. Homeowners install a new Lennox furnace expecting better performance, but the old oil-soot narrowing in branch ducts means the upstairs bedroom still freezes while the living room roasts. The equipment isn’t the problem — the ductwork is.
Lennox Service in South Huntington: What Local Conditions Mean for Your Equipment
South Huntington’s original 1950s–60s homes were built with oil-fired forced-air systems that used a distinctive single large trunk line branching into small-diameter runs; after converting to gas, the decades-old soot residue in these narrow branches cannot be removed by standard vacuum alone—it requires rotary brush agitation and solvent pre-treatment, a process we have perfected for this housing stock. Ask about our Air Duct Cleaning in South Huntington.
This isn’t theoretical. At a 1956 Cape Cod on Pidgeon Hill Road, our video inspection revealed a thick, tar-like coating of decades-old oil soot inside the original galvanized supply trunk, reducing airflow to the Lennox Elite Series furnace installed in 2010. We used a two-step solvent pre-treatment and rotary brush system to restore full airflow, resolving the homeowner’s complaint of uneven heating in the upper bedroom addition.
The seasonal swing here makes it worse. Damp summers with the house sealed tight for AC, then dry forced-air winters — that condensation cycle inside older metal ducts accelerates corrosion and loosens whatever debris was stuck to the walls. Your Lennox system doesn’t just need cleaning; it needs cleaning that accounts for South Huntington’s specific history of oil combustion, humidity exposure, and sixty-year-old galvanized steel. Most crews don’t even know to look for the oil soot. We do.
Lennox Models & Products We Service in South Huntington
We work on the full residential lineup: Lennox Elite Series, Lennox Merit Series, and Lennox Signature Collection systems, including Huntington Lennox service. That covers the ML180 downflow furnaces common in South Huntington ranches, the variable-speed Elite air handlers paired with heat pumps, and the high-efficiency Signature units installed in newer renovations.
For critical components — blower motors, evaporator coils, control boards — we source OEM Lennox parts. Proper fit matters when you’re working with systems that already have compromised airflow from dirty ducts. For less critical items like filter grilles and return covers, quality aftermarket parts do the job without the OEM markup.
We keep common Lennox coils and blower assemblies in rotation locally, so most Lennox in West Hills and South Huntington jobs don’t wait on shipping. If your system needs more than cleaning — duct repair, sealing, or coil replacement — we handle it in the same visit. No second contractor needed.
Lennox Service Pricing in South Huntington
Most full residential duct cleaning jobs for Lennox systems in South Huntington fall between $350 and $850, depending on system size, accessibility, and contamination level. Here’s how that breaks down:
- Standard residential duct cleaning (single system, 6–12 vents): $350–$550
- Heavy oil-soot remediation with solvent pre-treatment: $550–$750
- Video inspection add-on: $125–$175
- Evaporator coil cleaning (Lennox cased coil): $200–$350
- Duct repair/sealing (per linear foot of accessible trunk): $15–$30
What drives cost up: multiple HVAC zones, extensive fiberglass-lined ductwork requiring delicate handling, or homes where oil-soot buildup needs extended agitation time. What keeps it down: straightforward galvanized steel systems with good access panels, which many South Huntington ranches have in their basements.
Every estimate we provide is free and itemized. You’ll know exactly what’s included before we start. For pricing specific to your Lennox system, call (833) 754-6107.
Serving South Huntington, NY — Our Local Coverage Area
We’re based in the South Huntington 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 South Huntington
Yes — but only with the right method. Standard vacuum extraction won’t break the bond between decades-old oil soot and galvanized steel. We use rotary brush agitation with solvent pre-treatment specifically developed for this South Huntington housing stock. The Lennox furnace you installed after conversion deserves clean ducts, not ones still choked with the previous system’s residue. Call (833) 754-6107 for a free inspection and honest assessment of what your system needs.
Yes, and we adjust our approach for it. Fiberglass-lined ductwork degrades internally — the lining sheds particles and traps moisture. We use lower-pressure agitation and HEPA-contained extraction to clean without damaging the liner further. Your Lennox Merit or Elite Series furnace will move cleaner air without us destroying what’s left of the original ductwork.
The dual moisture source — Long Island Sound to the north, Atlantic to the south — keeps indoor humidity elevated through summer. Closed-up homes running central AC create condensation inside metal ducts, especially at joints and low points. That moisture feeds mold and mildew that your Lennox system then distributes. We address this with thorough drying protocols and, where needed, antimicrobial treatment after cleaning. Call (833) 754-6107 to schedule before peak humidity season.
Possibly — or it could be mold in fiberglass-lined trunks, or both. Oil soot has a distinct sharp odor when disturbed by the first heating cycle of the season. Mustiness usually points to biological growth. Our video inspection identifies which problem you have, or whether it’s a combination. We’ve found both in the same South Huntington system more than once.
Rarely. Most South Huntington Cape Cods have access panels in knee-wall closets or attic hatches that let us reach branch ducts without drywall damage. We also offer Dryer Vent Cleaning — South Huntington. When we do need minor access, we patch and seal as part of the job. Richard Anderson — owner and lead technician — evaluates access during your free estimate and tells you upfront if any wall work is needed.
Service Areas Near South Huntington
We handle Lennox duct cleaning throughout the 11750 ZIP code and surrounding Long Island communities. Our service radius includes Huntington Station, Melville, Dix Hills, Commack, and East Northport. If you’re in a neighboring town with similar post-war housing stock — oil conversions, galvanized steel, Cape Cod layouts — the same specialized approach applies.
Book Your Lennox Service in South Huntington Today
Richard Anderson handles every job personally. Two decades of duct work, not generalist HVAC services. Contractor-grade equipment most residential crews never carry. From cleaning to repair to sanitizing — one call closes the loop on your air quality.
Same-day appointments often available. Call (833) 754-6107 for your free estimate.
Written by Richard Anderson, Owner & Lead Technician at Landmark Air Duct Cleaning Service New York, serving South Huntington and Long Island since 2004.