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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AfterFast, Reliable Duct Sealing Across Edison
Most Edison homeowners with a room that never heats or cools evenly are dealing with leaking ductwork, not a failing furnace or AC unit. Duct sealing in Edison typically runs $800 – $2,400 for a whole-house job, with simpler single-zone repairs starting around $450. We’re familiar with the mid-century ranches off Oak Tree Road, the split-levels near Menlo Park Mall, and the colonials closer to the Raritan River, and our crews are scheduled from our New York City office with local dispatch to Edison neighborhoods. If you’ve got hot spots, cold spots, or utility bills that climb every summer, call us at (361) 326-5060 for a free estimate and written price before any work starts.
Why Hollis Air Duct Cleaning Is Edison’s Preferred Duct Sealing Company
We’ve been part of the Garrison Partners family since 2004, and our Duct Sealing in Edison follows the same standard: arrive inside the window, price it in writing, finish by the book, leave the site clean. Our technicians are background-checked and uniformed, and every job carries the 365-Day Done Right Promise in writing. If the seal fails or the repair doesn’t hold, we come back and make it right at no charge, including a free second visit.
Edison’s housing stock sets us apart from generic duct outfits. We know the original galvanized steel trunk lines in those 1950s – 1970s ranches and split-levels weren’t sealed at the factory seams the way modern flex duct is. Humid summers and freeze-thaw winters have had sixty years to work on those joints. We also know the Oak Tree Road corridor well enough to schedule around festival seasons, because the cooking residue in those ducts changes what “clean” means before sealant ever touches the metal.
Phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops, no callback queues, no waiting until Monday.
HVAC Duct Sealing in Edison
HVAC Duct Sealing in Edison means closing the gaps, seams, and disconnected joints in your forced-air system so the air you’ve already paid to heat or cool actually reaches the rooms it was meant for. In a typical Edison home, we find 20 – 35% conditioned air escaping into the attic, crawlspace, or basement through leaks that developed over decades. Sealing those paths with mastic compound and reinforced tape restores pressure balance, cuts run times, and often drops utility bills by 15 – 25% in the first full season.
Most whole-house HVAC duct sealing jobs in Edison fall between $800 and $2,400, depending on system size, accessibility, and whether we need to clean and degrease the duct walls first. Single-zone sealing or spot repairs on accessible trunk lines start around $450. We always inspect with a camera before quoting, and the price we write down is the price you pay.
When Sealing Becomes the Right Fix
Call us for sealing when you’ve got uneven temperatures room-to-room, dust blowing from registers, or a blower that runs constantly without catching up. In Edison’s older homes, we also see crushed or sagging flex duct runs behind walls that need reconnection before sealing has any point. Our Duct Sealing team will tell you straight whether sealing alone will solve it or whether a repair comes first.
The Degreasing Step Others Skip
Standard duct sealing assumes a clean metal surface. In Edison, especially near Oak Tree Road, years of turmeric, cumin, and garam masala cooking have left a sticky varnish on duct walls. Sealant applied over that substrate peels within months. We degrease with HEPA-filtered source removal and agitation tools first, then seal. It’s extra labor, but it’s the only way the job holds.
Duct Repair in Edison
Duct Repair in Edison addresses the physical damage that sealing alone won’t fix: crushed galvanized runs in crawlspaces, disconnected flex duct behind finished basements, rusted-out plenums, and sections where original ductwork has simply pulled apart at the seams. Repair work in Edison typically runs $600 – $1,800 for moderate fixes involving reconnection, section replacement, or plenum rebuilding. Extensive replacement of original galvanized trunk lines can reach $2,500 – $4,000, though we always explore repair options first.
Our crews carry the tools for both jobs: rotary brush systems from Rotobrush for interior cleaning, negative-air machines from Nikro for containment, and the sheet metal and mastic supplies to rebuild what Edison’s decades have damaged. Every repair gets the same written price and 365-Day Done Right Promise as our sealing work.
Re-Anchoring Before Sealing
Original Edison ductwork was often hung with strap or wire that has corroded or stretched. A sagging run can’t hold sealant; the joint flexes and cracks the mastic. We re-strap and re-support first, then seal. It’s the kind of step you only learn from working in homes where the ductwork predates the moon landing.
Moisture Damage in Basement Systems
Edison’s heavy rain events and occasional flooding put basement and crawlspace air handlers at risk. We see rusted plenums and water-damaged flex duct in older colonials near the Raritan floodplain. Sealing over wet metal traps moisture and feeds mold. We dry, treat, and repair first, then seal only when the system is genuinely dry.
Trusted Brands We Service in Edison
We stock parts and filtration products from Honeywell, Aprilaire, and Guardsman for Edison customers, with professional-grade cleaning equipment from Rotobrush and Nikro on every truck. That means no waiting on a parts order for a standard repair, and no substituting hardware-store tape for reinforced mastic rated for temperature cycling. When we seal a duct system in a 1960s split-level off Route 1 or a newer multi-zone home near the mall, we’re using the same materials commercial crews specify. Fast turnaround matters in Edison, where HVAC runs hard from May through October and again from December through March.
Common Duct Sealing Problems We See in Edison Homes
- Original galvanized seams eroded by humid summers. Mid-century Edison ranch homes were built with unsealed snap-lock duct joints. Sixty years of Edison’s humid July-August cycles have opened gaps that blower pressure keeps widening. We re-anchor the run, then seal with mastic that flexes with temperature swings.
- Spice-oil varnish blocking sealant adhesion. Near Oak Tree Road, we regularly find supply and return ducts coated with a sticky residue from years of high-heat cooking. Degreasing with HEPA-filtered source removal is mandatory prep; sealant applied over grease peels within a season.
- Crushed runs in split-level rear bedrooms. The 1960s split-levels common in Edison often have long flex duct runs to second-floor bedrooms that have been crushed by storage, renovation, or simply settling. We camera-inspect, reconnect or replace the run, then seal the new joint.
- Moisture intrusion in basement and crawlspace systems. Edison’s heavy rains and high water table mean basement air handlers and ductwork see periodic dampness. Sealing over wet substrate locks in moisture and promotes mold. We verify dryness with moisture meters before any sealant application.
Pricing for Duct Sealing in Edison, NJ
Whole-house duct sealing in Edison typically runs $800 – $2,400. Single-zone or spot sealing on accessible trunk lines starts around $450. Duct repair work, including reconnection, section replacement, or plenum rebuilding, generally falls between $600 and $1,800. Extensive galvanized trunk line replacement can reach $2,500 – $4,000, though we pursue repair first.
What moves the price: system size and zone count, accessibility (crawlspace vs. finished basement), whether degreasing is needed for spice-oil residue, and whether re-anchoring or repair work precedes sealing. We inspect with a camera, write the price before touching anything, and that number does not move at your door. Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Edison
Our crews work throughout Middlesex County and into Union and Hudson counties, including Elizabeth, Newark, Bayonne, and Jersey City. Scheduling and dispatch are coordinated from our New York City office, with local routing to minimize wait times across the metro.
Serving Edison, NJ - Our Local Coverage Area
We’re based in the Edison 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 Edison
No. Sealing stops air from leaking out of the duct system, but it does not remove residue already coating the duct walls. In Edison’s Oak Tree Road area, we regularly find spice oils baked into a sticky varnish that standard dust cleaning won’t touch. We degrease with HEPA-filtered source removal and agitation tools first, then seal the cleaned metal so the odor doesn’t return. Call (361) 326-5060 for an inspection and exact quote – estimates are free.
Most can be sealed if the metal is structurally sound. We camera-inspect first to check for rust-through, crushing, or separation at the seams. If the galvanized is intact, we re-anchor any sagging runs, degrease if needed, and seal with mastic rated for temperature cycling. Replacement becomes necessary only when the metal itself has failed. We’ve saved Edison homeowners thousands by repairing and sealing original ductwork that other companies wanted to tear out. Call (361) 326-5060 to schedule an inspection.
Because sealant only adheres to clean, dry metal. In Edison, two factors extend prep time: decades of dust and debris in original galvanized systems, and the spice-oil varnish common near Oak Tree Road. Sealing over either substrate guarantees failure. Our process follows the same sequence on every job: inspect, clean or degrease, dry, then seal. The extra hours are what make the 365-Day Done Right Promise possible. Call (361) 326-5060 and we’ll walk you through what your specific system needs.
Yes, humidity affects both adhesion and long-term performance. Edison’s July and August dew points keep basement and crawlspace ductwork damp for weeks, which prevents mastic from curing properly. We schedule sealing work when the system is dry, use moisture meters to verify, and select sealants rated for the temperature and humidity swings of the local climate. Sealing done in damp conditions cracks within a year. We don’t rush the prep. Call (361) 326-5060 to schedule during the right conditions.
Sealing fixes leaks in intact ductwork; repair fixes physical damage. If your rooms heat and cool unevenly but airflow is present, you likely need sealing. If a register blows nothing, or you hear rattling from a crushed or disconnected run, you need repair first, then sealing. We camera-inspect every Edison job to determine which applies, and we quote both separately so you know exactly what you’re paying for. Call (361) 326-5060 for a free inspection and written estimate.
Ready to stop losing conditioned air to your attic or crawlspace? Call Hollis Air Duct Cleaning at (361) 326-5060 for a free estimate on duct sealing or duct repair in Edison. We’ll inspect with a camera, write the price before any work starts, and back every job with our 365-Day Done Right Promise in writing.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Edison and surrounding communities.