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 Brooklyn, NY | Mortons Air Duct Brooklyn
We clean and service Lennox air duct systems across Brooklyn with our Air Duct Cleaning in Brooklyn, from pre-war brownstones in Park Slope to converted lofts in Williamsburg. Mortons Air Duct Brooklyn is an independent Lennox service provider, not a manufacturer affiliate, which means we answer to you and not to a corporate service script. The one thing that sets our Lennox work apart here is how carefully we handle landmarked interiors and tight duct chases that other crews either damage or refuse to touch. Call (607) 536-9605 for a written estimate before any work begins.
Why Brooklyn Residents Choose Us for Lennox Service
Lennox systems are built well, but how they perform in Brooklyn depends heavily on the building around them. We know the difference between a Merit Series flex-duct retrofit squeezed into a brownstone chase and a Dave Lennox Signature Collection system spec’d into a new condo on Ocean Parkway. Paul Adeyemi, our owner, grew up learning the mechanical trades in Los Angeles and spent well over a decade doing air duct cleaning before Brooklyn became his professional home base. He trains every technician to photograph each vent before and after, so you never take anyone’s word for what happened inside your walls.
We use Rotobrush and Nikro equipment, HEPA-filtered vacuums, and OEM Lennox filters when the job calls for them. For duct sealing and minor repairs, we often recommend quality aftermarket materials that perform as well as OEM at a lower cost. And every visit includes the Cedarwell Care Promise: shoe covers, drop cloths, a written price before work starts, and a photo of the clean-up before the crew leaves. You can also browse our broader Lennox sales & service page to see the full scope of what we handle.
Styles & brands we work with




Common Lennox Air Duct Cleaning Problems We Solve in Brooklyn
Here is what we actually find when we open Lennox systems in this borough, and why it happens here specifically.
- Mold and mildew inside ducts in garden-level and basement units. Brooklyn’s humid summers and nor’easter-driven rain push moisture into vent systems, especially below-grade spaces. Lennox ductwork in these units often develops surface mold on the return side, which then recirculates through the whole system every time the blower cycles.
- Excessive dust and debris in postwar sheet-metal ducts. Buildings along Ocean Parkway and in southern Brooklyn often still run their original sheet-metal ductwork. Fifty or sixty years of dust, plaster chips, and pet hair coat the interior walls, cutting airflow and producing a stale smell even when the filter is clean.
- Flex duct sagging or disconnection in brownstone retrofits. When central air gets added to a rowhouse that never had it, ducts get squeezed into old chases and closets. Improperly supported flex duct eventually sags, kinks, or pulls loose at the collar. Weak airflow in one room but not another is the classic sign.
- Evaporator coil fouling from renovation debris. Pre-war renovations in Brooklyn generate enormous amounts of plaster dust. If return ducts pull that dust through the system, the evaporator coil becomes insulated with a gray layer of debris, causing condensate overflow or coil freeze-ups in summer.
- Musty odors from clogged return ducts near kitchens and bathrooms. In older Brooklyn apartments, returns are sometimes located in hallways that pull cooking grease and bathroom moisture straight into the Lennox air handler. The result is a smell that returns every time the system runs, no matter how many air fresheners you use.
Lennox Service in Brooklyn: What Local Conditions Mean for Your Equipment
Brooklyn’s Landmarks Preservation Commission rules in designated historic districts change how duct cleaning has to be done here. In neighborhoods like Brooklyn Heights and Park Slope, original plaster medallions, crown moldings, and woodwork are protected by law. That means we cannot run aggressive rotary brushes near fragile vent openings or bang around inside chases that share walls with ornamental plaster. We use HEPA-filtered vacuums and soft-bristle tools, and we lay drop cloths across floors and furniture before opening any access panel. The return duct in these homes is often hidden behind a decorative grille that cannot be replaced if damaged, so every move is deliberate. This is not a constraint we complain about. It is how the work should be done everywhere, but in Brooklyn’s historic districts it is the only legal way to do it. For a closer look at the neighborhoods we cover, see our Brooklyn service area page.
One recent job sticks with us. A Park Slope brownstone had a Lennox Elite central air system with a return duct running through an original plaster-over-lath chase. The homeowner complained of weak airflow and a musty smell. We found the evaporator coil coated in gray dust and mold from years of renovation debris. Using a HEPA-filtered vacuum and soft-bristle brushes, we cleaned the coil and supply ducts, then sealed minor leaks with mastic. Airflow jumped noticeably and the odor was gone, all without disturbing the ornate ceiling rosette.
Lennox Models & Products We Service in Brooklyn
We work on the full Lennox residential range. The Elite Series and Merit Series are the systems we see most often in Brooklyn’s single-family brownstones and small condo buildings. The Dave Lennox Signature Collection appears in higher-end renovations, usually with variable-speed air handlers and thick media filters that need careful handling. Lennox Healthy Climate filtration products, including media cabinets and UV lamps, are common add-ons we clean and service alongside the ductwork.
Our parts policy is simple. We use OEM Lennox filters and specialty components when they are available and make sense for the system. For duct sealing, insulation, and minor repairs, we often recommend high-quality aftermarket materials that cost less and perform just as well. We never push a replacement when a repair is honest, and we never clean ducts that need to be replaced. If your ductwork is rusted through or collapsed, we will tell you directly that sealing and cleaning will not fix it.
See the difference
Before
After
Before
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Before
AfterLennox Service Pricing in Brooklyn
Whole-system air duct cleaning for a Lennox system in Brooklyn typically runs between $450 and $900, depending on the size of the home, the number of supply and return runs, and how much access is available. Evaporator coil cleaning adds roughly $150 to $300. Duct sealing work is quoted separately after we inspect the system and identify specific leaks. The two biggest cost drivers here are access and historic-interior protection. A duct run through a tight plaster-over-lath chase in a landmarked building takes longer and requires more care than an exposed basement run in a newer condo. Our estimate is always a written, flat price for the whole system, never a per-vent figure, and it is agreed before any work starts. Call (607) 536-9605 for a free estimate.
Serving Brooklyn, NY - Our Local Coverage Area
We’re based in the Brooklyn 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 Brooklyn
Brooklyn’s combination of humid summers, older housing stock, and renovation dust means Lennox systems here accumulate debris faster than the national average. Garden-level and basement units are particularly prone to moisture-related mold. Most Brooklyn homes benefit from a full duct cleaning every 3 to 4 years, while homes with pets, recent renovations, or persistent moisture may need Dryer Vent Cleaning in Brooklyn and ductwork attention every 2 years. If you are unsure, call (607) 536-9605 and we will walk through what to check.
Yes. We work in LPC-designated historic districts regularly and use HEPA-filtered vacuums, soft-bristle brushes, and drop cloths throughout. We access ducts carefully through existing grilles and panels, and we never cut into original plaster or woodwork. If a grille cannot be safely removed, we clean through it with tools designed for tight clearances rather than forcing anything. Our crews treat your plasterwork the way we would treat our own.
Look for three signs: reduced airflow from the registers, the system running longer than it used to reach the same temperature, and a faint musty or sour smell when the blower first kicks on. In Brooklyn homes with recent renovations, plaster dust pulled through the return is often the culprit. A dirty coil makes the whole Lennox system work harder. We can inspect the coil during a duct cleaning visit and tell you exactly what we see, what it costs to clean, and what we plan to do about it. Call (607) 536-9605 to schedule an inspection.
Yes, and in many pre-war and postwar buildings it makes the single biggest difference in efficiency. Ductwork in older Brooklyn buildings often runs through unsealed chases and closets, losing 20% to 30% of conditioned air before it reaches the register. We seal accessible joints and seams with mastic or appropriate tape, which is often far cheaper than adding insulation or replacing ducts. Sealing also reduces the dust that gets pulled into the system from wall cavities.
Supply ducts carry conditioned air from the Lennox air handler to your rooms. Return ducts pull air back to be filtered and cooled or heated. Returns tend to be dirtier because they carry unfiltered air from the house, including dust, pet hair, and cooking residue. Cleaning both sides matters: a clean supply side with a dirty return just re-circulates debris onto a clean evaporator coil. On every job, we clean both and photograph the before and after for you.
Service Areas Near Brooklyn
We provide Lennox air duct cleaning throughout Brooklyn and across the surrounding boroughs. In addition to our work across Brooklyn itself, we regularly serve New York as a whole, Midtown Manhattan, Astoria, Forest Hills, and Elmhurst. If you are outside those areas, ask. For fuller details on our reach across the city, see Lennox service in New York or Lennox service in Midtown Manhattan.
Book Your Lennox Service in Brooklyn Today
We will tell you what we see, what it costs, and what we plan to do about it, in that order. Every job starts with a written price and ends with a photo of the clean-up. Call (607) 536-9605 to book your free estimate.
Written by Paul Adeyemi, Owner at Mortons Air Duct Brooklyn, serving Brooklyn since 2005.