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.
Fast, Reliable Duct Sealing Across West New York
Duct sealing in West New York typically runs $1,200 – $3,800 for a whole-system job depending on building size and duct accessibility, with most mid-rise apartment projects falling in the $2,400 – $3,200 range. Our crews serve West New York from our New York City dispatch office, carrying mastic sealant, aerosol-based duct sealing equipment, and negative-air HEPA rigs from Nikro and Abatement Technologies. We know the difference between sealing a single-family trunk line and coordinating a building-wide project along Bergenline Avenue or Boulevard East. Call (361) 326-5060 for a written estimate before any work starts.
Why Hollis Air Duct Cleaning Is West New York’s Preferred Duct Sealing Company
We’ve been sealing ducts in Hudson County since 2004 as part of the Garrison Partners family, and West New York’s building stock is unlike anywhere else we serve. The density here means our reputation travels fast, building to building, management company to management company.
Our technicians arrive uniformed, background-checked, and on time. The price is written down before we touch anything. Every job carries our 365-Day Done Right Promise: if the seal fails or airflow problems return within a year, we come back and make it right at no charge, including a free second visit. Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues.
Dispatch and scheduling for West New York are coordinated from our New York City office, but the crews working your building are local to the metro area and familiar with the specific challenges of West New York’s mid-rise housing stock. They know what a fire damper looks like in a 1960s vertical chase, and they know which buildings along the Hudson have original galvanized ductwork that needs camera inspection before sealing can even be quoted.
HVAC Duct Sealing in West New York
HVAC Duct Sealing in West New York is rarely the simple attic-or-basement job it is in detached suburban homes. Most of our calls here involve mid-rise apartment buildings with rooftop mechanical rooms feeding vertical duct chases that serve dozens of units. Sealing those systems requires building-wide coordination, access agreements with multiple residents, and equipment that can work under negative pressure with HEPA containment so no debris migrates between units.
A typical HVAC duct sealing project in West New York runs $1,200 – $3,800 depending on whether we’re sealing a single branch line or a full main trunk serving multiple floors. Buildings with original galvanized ductwork from the 1920s through 1950s often need camera inspection first to locate failed seams, disconnected joints, or corrosion that makes sealing impossible without prior repair.
Multi-Unit Coordination
We work with building management and resident associations to schedule access across multiple units in a single day. Our crew seals from the rooftop mechanical room down through vertical chases, testing pressure balance on each floor before we leave. One coordinated visit beats a dozen individual callbacks.
Aerosol-Based Sealing for Inaccessible Ducts
When duct chases are buried in walls or floors with no access panels, we use aerosolized sealant technology that pressurizes the duct system and automatically deposits sealant particles at leak points. The equipment is manufactured by Abatement Technologies and allows us to seal leaks we could never reach with manual mastic application.
Duct Repair in West New York
Duct Repair in West New York often precedes sealing. Original galvanized ductwork in buildings along Bergenline Avenue and Boulevard East has had 70 to 100 years of thermal expansion, vibration from rooftop blowers, and condensation damage. We’ve found sections where seams have completely separated, where rust has eaten through the metal, or where previous handyman repairs with duct tape have failed and trapped moisture against the metal.
Duct repair in West New York typically costs $800 – $2,400 for localized fixes to branch lines or small sections of main trunk, with full trunk replacement in larger buildings reaching $3,500 – $6,000. We always inspect with a camera before quoting repair work. You get the footage, and you get a written price before we cut or seal anything.
Galvanized Duct Restoration
Original galvanized ductwork can often be saved if caught before advanced corrosion sets in. We cut access panels, remove debris and standing water, treat affected areas for mold if needed, then repair with metal sleeves and professional-grade mastic. Sealing comes after the repair is verified with a blower-door test.
Emergency Leak Response
When a rooftop air handler suddenly starts dumping conditioned air into a chase wall instead of the units below, multiple residents notice fast. We carry sheet metal, spiral duct, and fast-cure mastic on every truck so we can stop the bleed and restore airflow the same visit, then return to complete full-system sealing once the immediate failure is stabilized.
Trusted Brands We Service in West New York
We seal and repair duct systems connected to equipment from every major manufacturer, and we stock parts and filtration products from Honeywell, Aprilaire, and Abatement Technologies for fast turnaround on West New York jobs. Our trucks carry Nikro negative-air machines and Rotobrush rotary systems for pre-sealing cleaning and post-sealing verification. When a building along Boulevard East needs a specific Honeywell media filter or an Aprilaire humidifier component integrated into a sealed duct system, we don’t wait on shipping. We keep common sizes in stock because a sealed duct system with the wrong filtration is only half the job.
Common Duct Sealing Problems We See in West New York Homes
- Failed seams in vertical chases. The original galvanized ductwork in West New York’s prewar mid-rises was joined with snap-lock seams and minimal sealant. Decades of thermal cycling have opened these seams, bleeding conditioned air into wall cavities and creating pressure imbalances between floors.
- Disconnected rooftop connections. Rooftop air handlers in West New York buildings vibrate constantly. Flexible connections between the blower and rigid ductwork fatigue and separate, dumping heated or cooled air directly onto the roof before it ever reaches the vertical chases below.
- Condensation damage at unsealed joints. West New York’s humid summers and cold winters create constant condensation inside unsealed ducts, especially in buildings with poor ventilation. Water pools at low points, accelerates rust, and supports mold growth that must be removed before sealing can hold.
- Pressure imbalances from partial sealing. When one unit or one floor gets sealed but the main trunk remains leaky, the sealed section actually works harder to overcome the pressure loss elsewhere. Building-wide sealing is the only fix that reduces blower runtime across the system.
Pricing for Duct Sealing in West New York, NJ
Whole-system duct sealing in West New York runs $1,200 – $3,800, with most mid-rise apartment building projects landing at $2,400 – $3,200. Single branch-line sealing for individual units starts around $800. What moves the price: building height and chase access, whether camera inspection reveals damage requiring repair before sealing, the square footage served by the duct system, and whether we’re working under negative pressure with HEPA containment for occupied units.
We do not price per vent. We price per system, agreed in writing before work starts. That number does not change when our technician walks through your door. Every estimate is free, and every estimate includes a written scope of work. For multi-unit buildings, we provide a single master proposal with per-system breakdowns so management and residents understand exactly what they’re paying for. Call (361) 326-5060 to schedule.
We Also Serve Cities Near West New York
Our crews work throughout Hudson County and beyond, including Duct Sealing in West New York and surrounding cities: Newark, Jersey City, Paterson, and Elizabeth. Each job follows The Garrison Standard: written price, written guarantee, crew left clean. If you’re a property manager with buildings in multiple cities, we can coordinate scheduling across your portfolio from a single point of contact.
Serving West New York, NJ - Our Local Coverage Area
We’re based in the West New York 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 About Duct Sealing in West New York
Because most West New York buildings rely on rooftop mechanical rooms feeding shared vertical chases that serve dozens of units. Sealing only one branch or one floor leaves pressure imbalances and leaks in the main trunk, so the system still loses efficiency and residents still get uneven airflow. Our Duct Sealing team assesses the full building layout before recommending scope. Call (361) 326-5060 to discuss your building’s specific configuration.
We use camera inspection to map the duct interior, then apply aerosolized sealant technology that pressurizes the system and automatically deposits sealant at leak points, or we cut strategic access panels for manual mastic application. In either case, we verify with blower-door testing and provide you with before-and-after documentation. Call (361) 326-5060 for an exact quote on your building’s accessibility.
You should receive a written scope of work, camera inspection footage, blower-door test results showing pre- and post-sealing leakage rates, and a copy of our 365-Day Done Right Promise covering the specific systems sealed. This documentation protects residents, management, and your maintenance budget. We provide it on every West New York job without being asked.
Sealing alone cannot fix active mold growth, but it prevents the condensation that feeds new mold by stopping warm, humid outside air from entering cool ducts. If we find mold during camera inspection, we remove it with source-removal methods and HEPA containment first, then seal. The combination is what lasts in West New York’s climate. Call (361) 326-5060 if you suspect mold in your building’s chases.
Yes, we repair and seal original galvanized ductwork throughout West New York’s prewar and postwar housing stock. We inspect for corrosion and structural integrity first. Some sections can be restored; others need replacement with modern spiral duct. We tell you which is which, show you the camera footage, and write the price for either path before we start.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving West New York and the greater Hudson County area since 2004.




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