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 North Olmsted
We seal ducts in North Olmsted homes every week, and most of our calls come from the postwar ranch and split-level neighborhoods between Lorain Road and Columbia Road where the original 1950s-70s galvanized ductwork is still behind the walls. If you’re in North Olmsted and your HVAC bills keep climbing or certain rooms never reach temperature, the problem is often air leaking out of joints, disconnected flex runs, and rust-flaking returns before it ever reaches your vents. Our crews dispatch from the Cleveland office and typically book North Olmsted appointments within a few days, not weeks. Call (361) 326-5060 for a free estimate with a written price before any work starts.
Why Hollis Air Duct Cleaning Is North Olmsted’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our North Olmsted customers know we show up inside the quoted window, price the job in writing, and leave the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates.
Our technicians are background-checked and uniformed, and we use professional-grade equipment from Rotobrush, Nikro, and Abatement Technologies, the same tools commercial crews use. When we seal ducts in North Olmsted, we’re working on housing stock we understand: small original galvanized runs in unconditioned attics, crawlspaces behind plaster, and basement-floor returns that pull in everything from rodent debris to lake-effect moisture.
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 to get on the schedule.
Every repair is backed by our 365-Day Done Right Promise in writing: if the work fails within a year, we come back and make it right at no charge, including a free second visit.
Air Duct Sealing in North Olmsted
Air Duct Sealing in North Olmsted means closing the gaps, disconnected joints, and crushed flex runs that let heated and cooled air escape before it reaches your rooms. In this city’s postwar housing stock, we regularly find original galvanized ductwork with rust-flaking seams, tape that peeled after one freeze-thaw cycle, and later furnace-swap additions that were never properly joined to the original runs. A typical whole-system seal in North Olmsted runs $450 – $850 depending on accessibility, the condition of the original metal, and whether we need to remove debris and nesting material before sealant goes down.
Source Removal Before Sealing
We don’t seal over dirt. Our crew camera-inspects first, then runs source removal under negative pressure with HEPA filtration so we’re sealing clean metal, not trapping decades of rust flake and rodent debris inside your system.
Mastic and Foil-Tape Joint Sealing
Hardware-store duct tape fails in attics that hit 140°F in July and drop below freezing in January. We scrape old tape and seal with mastic and rated foil tape that flexes with the metal and holds through Cleveland’s temperature swings.
Duct Sealing Services in North Olmsted
Duct Sealing Services in North Olmsted cover the full range of leak points in original residential systems: supply and return trunk lines, branch takeoffs, plenum connections, and the air handler cabinet itself. Most North Olmsted homes we work on still have the original small-diameter galvanized runs installed when the house was built, now degraded by sixty years of lake-effect condensation and freeze-thaw cycling. Because so many properties sit on open lots with unpaved drive aprons and gravel shoulders, mineral dust loads the returns all summer, accelerating wear at the joints. Whole-system sealing typically runs $450 – $850; partial sealing of a single problem zone starts around $280 – $420.
Camera Inspection and Static-Pressure Testing
We measure before and after. If your blower motor is working against leaks instead of pushing air through vents, the static pressure numbers tell the story. Our techs show you the camera footage and the gauge readings so you see what changed.
Air Handler Cabinet Sealing
The cabinet around your furnace or air handler is part of the duct system. We seal the filter rack, blower door, and coil access panel so conditioned air doesn’t short-cycle in your basement instead of reaching your bedrooms.
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 North Olmsted
Our equipment roster includes Rotobrush rotary brush systems, Nikro negative-air machines, and filtration and sealant products from Abatement Technologies and Guardsman. We don’t use hardware-store gear. For North Olmsted homeowners, that means we stock the right mastic, foil tape, and HEPA filters to finish the job in one visit without waiting on parts. If your system needs a component we don’t carry on the van, our Cleveland office coordinates fast turnaround so you’re not heating your attic for another week while parts ship.
Common Duct Sealing Problems We See in North Olmsted Homes
- Sloppy tape jobs over rust-flaking galvanized steel. Lake-effect condensation and freeze-thaw cycles degrade the original unlined metal in North Olmsted attics and crawlspaces. Tape alone peels within a season. We scrape to bare metal and apply mastic so the seal lasts.
- Disconnected or crushed flex runs from later furnace swaps. When a contractor replaced the furnace but not the ducts, the new flex often doesn’t mate properly with the old galvanized takeoffs. We camera-inspect, remove debris, and reconnect with proper collars and sealant.
- Basement-floor returns beside laundry and floor drains. In North Olmsted’s older split-levels, this return runs through the dampest, most debris-prone zone in the house. Rodent nesting and mold growth need source removal and HEPA filtration before any sealant goes down, or you’re sealing contamination inside the system.
- Air handler bypass pulling attic air into the supply. When the return is leaky, the blower doesn’t just recirculate house air, it pulls unconditioned attic air through every gap. That raises your bills and dumps insulation fiber and dust into the rooms you actually live in.
Pricing for Duct Sealing in North Olmsted, OH
A typical whole-system duct sealing in North Olmsted runs $450 – $850. Partial sealing of one problem zone, such as a disconnected return or a leaky plenum, usually falls between $280 – $420. What moves the price: how much of the system is accessible without cutting drywall, whether we need to remove debris and nesting material before sealing, and if the original galvanized metal requires rust treatment before mastic will adhere.
We give you one flat price per system, agreed in writing before any work starts. No per-vent pricing. No teaser coupon that doubles once the technician is inside. You’ll see the number on paper, and that number doesn’t move at the door. Every job includes before-and-after photos of your own ducts so you know the work happened where we said it happened.
Call (361) 326-5060 for a free estimate. Estimates are free, and you’ll get the written price before we touch anything.
We Also Serve Cities Near North Olmsted
Our crews regularly work in North Olmsted and the surrounding west-side communities: Westlake, Olmsted Falls, Bay Village, and Berea. If you’re in one of these areas and your home has the same vintage postwar ductwork, the same lake-effect moisture problems, and the same unpaved-road dust loading, our Duct Sealing team uses the same process and pricing structure. Dispatch and scheduling are coordinated from our Cleveland office.
Serving North Olmsted, OH - Our Local Coverage Area
We’re based in the North Olmsted 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 North Olmsted
Original galvanized ductwork in North Olmsted should be inspected every 3 – 5 years and resealed when tape peels, mastic cracks, or new furnace additions create fresh leak points. The freeze-thaw cycling and heavy mineral dust from open lots wear seals faster than in newer suburbs with PVC ductboard and lined flex. Call (361) 326-5060 to schedule an inspection and we’ll show you the camera footage of your current condition.
Yes. Mineral dust is abrasive and hydroscopic, meaning it holds moisture against the metal and accelerates rust at the joints. We clean more thoroughly before sealing North Olmsted systems, and we use heavier mastic applications at the returns where dust loading is highest. The seal has to survive both the dust and the condensation.
That return sits in the lowest, dampest point of a North Olmsted basement, often beside a laundry setup and an old floor drain. We’ve found rodent nesting and active mold growth in these runs on dozens of jobs. Seal over that and you’ve trapped contamination inside your breathing air. We HEPA-vacuum and treat the return before any sealant goes down.
Yes, if the system is cleaned first and the return is properly isolated from the wood-stove zone. On a split-level off Columbia Road near the Lorain Road corridor, our tech camera-inspected the original galvanized return in the basement and found flaking rust, crushed flex left from a later furnace swap, and joint gaps pulling attic air into the system. We ran source removal under negative pressure with HEPA filtration down to the air handler, then sealed the joints and disconnected runs with mastic and foil tape to stop the bypass that was defeating the blower motor’s static pressure. The homeowner noticed the wood-stove smell no longer carried through the supply and return ducts on the first cold morning after the work.
It means the air you paid to condition reaches the rooms instead of leaking into the attic or crawlspace. In July, that translates to bedrooms that actually cool down. In January, it means even heat distribution without the furnace running constant cycles. Most North Olmsted homeowners see lower utility bills and less wear on the blower motor within the first season. Call (361) 326-5060 for an exact quote on your system.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving North Olmsted since 2004.