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.
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After
Before
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Before
AfterFast, Reliable Duct Sealing Across Newark
We seal ducts in Newark homes where the real problem isn’t just leaks – it’s decades of grease, soot, and crushed galvanized runs that standard sealing skips. If you’re in the Ironbound, the North Ward, or down along the Passaic River, your ductwork faces conditions suburban crews rarely see. Our Duct Sealing team serves Newark from our New York City office, with crews dispatched to local jobs and pricing written before any work starts. Call (361) 326-5060 for a free estimate.
Why Hollis Air Duct Cleaning Is Newark’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our Newark work follows The Garrison Standard: arrive inside the quoted window, price in writing, complete the job by the book, leave the site clean. Newark homeowners know the difference between a crew that tapes a few joints and one that inspects, degreases, and seals properly.
Our technicians are background-checked and uniformed – you know who’s walking into your home before they arrive. Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues.
Every repair is covered by our 365-Day Done Right Promise in writing. If the work fails within a year, we return and make it right at no charge, including a free second visit. That promise applies to every Newark job, from a single-family near Branch Brook Park to a multi-story building off Broad Street.
Air Duct Sealing in Newark
Air Duct Sealing in Newark starts with understanding what you’re actually sealing. Much of the city’s housing stock consists of pre-1950 brick rowhouses and tenements with original galvanized or early sheet-metal ductwork, plus mid-century high-rise apartments with central riser systems. These older ducts are often undersized, leaky, and prone to heavy accumulation of dust, soot, and debris from decades of use. We don’t just chase leaks – we identify why the system failed in the first place.
Newark’s humid summers and cold winters mean HVAC systems run year-round, cycling air through ducts that can become damp and foster mold growth, especially in basements and crawl spaces of older homes along the Passaic River and in the Ironbound. Sealing over damp metal traps moisture that feeds mold growth inside the sealed run. We check for this before we seal.
Ironbound Grease and Exhaust Issues
In the Ironbound, many restaurants vent cooking exhaust into shared light wells, so nearby residential ducts often carry grease and food odors. Sealant applied over grease-coated duct walls fails to bond – mastic and aerosol sealants need a degreased surface first. We treat this with a degreasing step rarely needed in neighboring suburbs.
Crushed and Disconnected Runs
On a pre-1950 brick rowhouse off Ferry Street in the Ironbound, our tech ran a camera inspection and found a crushed galvanized trunk line feeding two bedrooms, plus grease film on the return registers from a neighboring restaurant’s light-well exhaust. We degreased the affected runs, source-removed the debris under negative pressure with HEPA filtration, replaced the crushed section, and sealed the remaining joints – restoring airflow to both bedrooms.
Duct Sealing Services in Newark
Duct Sealing Services in Newark address a specific set of problems driven by the city’s housing age and density. Original galvanized ductwork in pre-1950 rowhouses is undersized and already leaky at every joint, so sealing without resizing still leaves low airflow at the registers. Our approach is to inspect first, identify the full scope, then price the complete repair in writing.
We use professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies – the same tools commercial crews use. Our rotary brush systems and negative-air machines let us clean and seal without spreading debris through your home. For filtration, we work with Honeywell, Aprilaire, and Guardsman products when upgrades make sense.
Written Pricing Before Work Starts
The price is written down before any work starts, and it does not move at the door. That’s The Garrison Standard. You’ll know exactly what the sealing, degreasing, or section replacement costs before we begin.
365-Day Done Right Promise
Every job is covered for a full year. If the seal fails, if a joint reopens, if airflow drops again – we come back at no charge. No negotiation, no runaround.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Newark
We stock parts and materials from Rotobrush, Nikro, and Abatement Technologies for Newark jobs, which means faster turnaround when your pre-1950 system needs more than sealing. Our crews carry Guardsman filtration products and can source Honeywell and Aprilaire upgrades when your central riser or rooftop unit needs better protection against the particulate load that Newark’s density produces. Having the right materials on the van matters when you’re working on original galvanized ductwork that doesn’t match modern dimensions.
Common Duct Sealing Problems We See in Newark Homes
- Grease-coated ducts in the Ironbound. Restaurant exhaust from shared light wells deposits a film on supply and return registers. Sealant won’t bond to grease. We degrease first, then seal – a two-step process generic crews often skip.
- Undersized galvanized trunk lines in pre-1950 rowhouses. Original ductwork was designed for gravity furnaces, not forced air. Sealing the leaks helps, but if the trunk is crushed or too narrow, you’ll still have weak airflow at the registers. We identify this with camera inspection.
- Damp basement and crawl-space ducts along the Passaic River. Year-round HVAC cycling plus groundwater proximity keeps metal damp. Sealing over damp surfaces traps moisture. We dry, treat, and then seal – or recommend dehumidification if the environment won’t stay dry.
- Disconnected runs in multi-unit buildings. Vibration, age, and patchwork repairs leave sections pulling apart. We find the disconnects, reconnect properly, and seal the joints so they hold.
Pricing for Duct Sealing in Newark, NJ
A typical duct sealing job in Newark runs $450 – $1,200 for a single-family home or rowhouse, depending on accessibility, the amount of degreasing required, and whether we find crushed or disconnected sections that need repair or replacement. Multi-unit buildings and high-rises with central riser systems can run higher based on the number of floors and the condition of the original ductwork.
What moves the price: Ironbound properties with heavy grease accumulation add degreasing time. Pre-1950 galvanized systems with multiple crushed runs require section replacement, not just sealing. Damp basement or crawl-space work may need moisture remediation before sealant application. We inspect with a camera, write the full scope and price, and get your approval before any work begins. Estimates are free. Call (361) 326-5060.
We Also Serve Cities Near Newark
Our crews work throughout Essex and Hudson counties. We regularly handle Duct Sealing in Newark and travel to Elizabeth, Bayonne, Jersey City, and Hoboken for jobs requiring the same level of inspection and repair. Each location gets the same written price, the same 365-Day Done Right Promise, and the same background-checked, uniformed technicians.
Serving Newark, NJ - Our Local Coverage Area
We’re based in the Newark 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 Newark
Restaurant cooking exhaust vented into shared light wells coats nearby residential supply and return ducts with grease, so sealant won’t bond to the metal surface. We degrease affected runs first, then apply mastic or aerosol sealant. Call (361) 326-5060 for an exact quote – estimates are free.
Yes, but sealing alone may not fix low airflow if the trunk line is undersized or crushed. We camera-inspect first to determine whether sealing, section replacement, or both are needed, then write the price for the complete repair. Call (361) 326-5060 for an exact quote – estimates are free.
Yes. Sealing over damp metal traps moisture that feeds mold growth inside the sealed run. We dry the ducts, treat any existing mold, and address the moisture source before sealing. Call (361) 326-5060 for an exact quote – estimates are free.
Weak airflow at some registers but not others, whistling or rattling sounds, and rooms that never reach temperature are common signs. We use camera inspection to confirm crushed, disconnected, or separated runs before we price any repair. Call (361) 326-5060 for an exact quote – estimates are free.
It can, if the odors are entering through leaks in the return ductwork. In the Ironbound, we often find that grease and food odors enter through gaps near light wells or shared walls. Sealing those gaps, combined with degreasing the affected runs, reduces odor transfer. Call (361) 326-5060 for an exact quote – estimates are free.
Ready to fix the leaks, grease, and airflow problems in your Newark ductwork? Call Hollis Air Duct Cleaning at (361) 326-5060. We’ll schedule a free inspection, camera your runs if needed, and give you a written price before any work starts. Every job is backed by our 365-Day Done Right Promise – if it’s not right, we make it right at no charge.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Newark and surrounding communities.