Whole-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, CA | Hollis Air Duct Cleaning
We provide independent Lennox air duct cleaning serving Brooklyn, NY, and the quick answer is this: a full system cleaning on a Lennox forced-air setup here typically runs $450 – $850, depending on how many returns and how much debris the ducts are holding. What makes our Lennox work in Brooklyn different is the pre-war housing stock. Original galvanized ducts wrapped in asbestos tape, coal dust from the 1920s, and fiberglass-lined air handlers breaking down in coastal humidity all show up on the same job. We’re prepared for that. Call (361) 326-5060 for a written estimate before any work starts.
We’ve been servicing Lennox equipment since the old G-series pulse furnace days, and we know the ductwork quirks those systems leave behind. That matters in Brooklyn, where Lennox sales & service calls often involve a brownstone conversion or a post-war brick building with undersized ducts. You won’t get a generic checklist from us. You’ll get a cleaning plan built around the actual equipment and the actual building.
Why Brooklyn Residents Choose Us for Lennox Service
Most duct cleaning companies in Brooklyn will clean any system you point them at. Fine. But a Lennox air handler from the 1990s has fiberglass-lined internal insulation that behaves differently than a modern sheet-metal plenum. A Lennox Elite coil in a flooded basement holds mold differently than a coil in a dry closet. Knowing those differences means we don’t just vacuum the registers and call it done. We inspect the liner, check the coil, and tell you what we found in plain English.
Roy Castellanos, the owner at Hollis Air Duct Cleaning, came up through the sheet metal and air conditioning program at Los Angeles Trade-Technical College and spent years doing hands-on duct work before starting this company. That background shapes how we approach every Manhattan Lennox service and Brooklyn job. The standard is simple: show up inside the window, put the price in writing before we touch anything, and leave the site cleaner than we found it.
We’re an independent Lennox service provider. We are not manufacturer-affiliated or authorized, and that’s the point. We tell you straight when a part can be saved and when it’s time to replace. Nobody earns a commission by upselling you on work your system doesn’t need.
Common Lennox Air Duct Cleaning Problems We Solve in Brooklyn
- Fiberglass-lined air handlers shedding into the airstream. Lennox air handlers from the 1990s through the 2000s often used fiberglass internal insulation. Brooklyn’s humid summers break that liner down over time, and fibers end up in the supply air. We find this most often in brownstones where the air handler sits in a damp basement. The fix is careful removal of loose lining, full duct cleaning, and sealing what remains.
- Mold on evaporator coils in basement installations. Lennox Merit and Elite systems installed in Brooklyn basements flood during heavy rainstorms. When standing water sits near the coil, mold follows. The cleaning has to include the coil and the supply plenum, not just the duct runs. We see this pattern in Park Slope and Brooklyn Heights brownstones converted from gravity furnaces.
- Sagging flex duct in post-war brick apartments. Lennox flex duct runs in 1950s – 70s brick buildings sag because the ducts were undersized from the start. Brooklyn’s dust load settles in those sag points and chokes airflow. Cleaning helps, but sealing the sagging sections with mastic is what actually restores even airflow.
- Cracked heat exchangers on older G-series pulse furnaces. The G-series Lennox pulse furnace was a workhorse, but Brooklyn’s cold winters put real stress on the heat exchanger. When it cracks, fine soot and combustion byproducts pass into the ductwork. The ducts need cleaning after the exchanger is repaired or replaced, and the internal baffles from those old systems often rattle loose and leak.
- Coal dust and asbestos tape in pre-war ductwork. This is the Brooklyn signature. In Park Slope and Brooklyn Heights, original gravity furnace ducts from the 1920s carry layers of coal dust mixed with asbestos tape at the joints. Cleaning these requires HEPA containment and careful tape removal before sealing. It’s a different job than anything you’d see in newer construction.
Lennox Service in Brooklyn: What Local Conditions Mean for Your Equipment
In Brooklyn’s pre-war walk-ups, original galvanized steel ducts are often wrapped in asbestos tape at the joints. We rarely see that in newer cities. That fact changes everything about how a Lennox duct cleaning job gets done here. Before we start the vacuum, we have to assess whether the tape is intact or friable. If it’s friable, we don’t touch it until containment is set up. That means HEPA filtration running, negative air where needed, and a clear plan for removing contaminated tape without spreading fibers through the home. A Lennox owner in a newer building in, say, Los Angeles doesn’t face this. A Lennox owner in a Brooklyn brownstone does. The cleaning itself is the easy part. The prep work is what keeps your family safe.
Our Park Slope job from last year tells the story. A 1920s brownstone, original gravity furnace ductwork, a Lennox Elite system that had never been fully cleaned. We found layers of coal dust and asbestos tape at every joint. We set up HEPA containment, removed the tape carefully, sealed the ducts with mastic, and the homeowner told us their allergies improved within a week. Airflow to the third floor finally matched the rest of the house.
Lennox Models & Products We Service in Brooklyn
We work across the full Lennox line: the Dave Lennox Signature Collection, the Lennox Merit Series, the Lennox Elite Series, and older Lennox Complete Heat systems. For critical components like control boards and blower motors, we use OEM Lennox parts to ensure compatibility. For standard items like duct sealant and flex duct, we source high-quality aftermarket equivalents that meet or exceed OEM specs. We don’t cut corners on what goes into your ducts, and we don’t overcharge for a logo on a tube of mastic. If your Lennox air handler is over 15 years old and has a cracked heat exchanger or failed coil, we’ll give you an honest repair-vs-replace analysis. Often a repair makes sense. Sometimes it doesn’t. We’ll tell you which one applies to your system, not which one pays us more.
Lennox Service Pricing in Brooklyn
Full-system Lennox duct cleaning in Brooklyn generally runs between $450 and $850 for a single-family home. Video inspection before and after the cleaning is included, because you should see what we saw. Duct sealing with mastic adds to the total depending on how many joints need attention. What drives the cost in Brooklyn specifically is the age of the building. Pre-war ducts with asbestos tape take longer. Post-war brick buildings with undersized flex runs take longer. A straightforward 1990s suburban-style system takes less time and costs less. Whatever the job, the price is written down before we start and it does not move at the door.
Call (361) 326-5060 for a free estimate. We’ll give you a number you can actually plan around.
Serving Brooklyn, OH - 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
A musty smell from your Lennox ducts in summer almost always means mold or mildew is growing somewhere in the system, usually on the evaporator coil or inside the fiberglass liner of an older air handler. Brooklyn’s humid summers and basement installations create the moisture that feeds it. The fix is a full cleaning of the coil, plenum, and duct runs, plus addressing whatever is keeping the area damp. Call (361) 326-5060 and we’ll inspect it.
Yes, we do it regularly. Galvanized steel ducts from the pre-war era are actually cleanable if they’re intact, but we have to check for asbestos tape at the joints first. If we find it, we set up HEPA containment before touching anything. That’s standard procedure for us in Brooklyn pre-war buildings. The ducts themselves clean up well, and sealing the joints afterward makes a measurable difference in airflow.
Yes. When a heat exchanger cracks, fine soot and combustion byproducts get pushed through the supply ducts. Even after the heat exchanger is repaired or replaced, that residue stays in the ductwork unless it’s cleaned out. On older Lennox G-series pulse furnaces, the job often includes dealing with loose internal baffles that have been rattling and leaking. We clean the ducts, seal what needs sealing, and document it all on video.
For most Brooklyn homes, every three to five years is reasonable. Pre-war buildings with original ducts might need it more often if there’s been water in the basement or if coal dust keeps working loose. Buildings near Coney Island and Sheepshead Bay deal with salt air corrosion on duct components, which can add debris to the system, and we also handle Lennox in Long Beach. If you’re not sure, ask for a video inspection. Call (361) 326-5060 and we’ll get you scheduled.
We do. Small to mid-size commercial buildings with Lennox rooftop units or split systems are within our scope, including medical offices, restaurants, and retail spaces. The process is the same as residential: written price, video documentation, and the 365-Day Done Right Promise in writing. Call (361) 326-5060 with the building details and we’ll tell you what a cleaning would involve.
Service Areas Near Brooklyn
Beyond Brooklyn, we take Lennox duct cleaning calls in the surrounding metro. Brooklyn service area coverage extends to nearby neighborhoods within reasonable driving distance. If you’re outside Brooklyn proper but still in the region, reach out and we’ll let you know if we can get to you. We also handle Lennox service in Cleveland and Lennox service in Oakland for owners who’ve moved or own property in those areas.
Book Your Lennox Service in Brooklyn Today
If your Lennox system hasn’t been cleaned in years, or you’ve never seen video of what’s inside your ducts, now’s the time. Call (361) 326-5060 for a free estimate. We answer the phone, give you a written price, and stand behind the work for a full year. Clean ducts, straight answers – that’s the whole job.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Brooklyn since 2004.




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