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 Cleveland
Duct sealing in Cleveland typically runs $800 – $2,400 for a whole-home job, depending on whether we’re restoring original 1920s galvanized trunk lines or repairing postwar flex and sheet metal. Most Cleveland homeowners see lower utility bills and more even room temperatures within the first billing cycle after the work is complete. Call (361) 326-5060 for a free written estimate before any work starts.
We’ve been dispatching crews from our Cleveland office to homes from Slavic Village to West Park since Hollis joined the Garrison Partners family in 2004. Our technicians know the difference between a pre-war brick two-story with hand-fabricated galvanized ducts and a 1960s ranch with thin-gauge flex runs, because we’ve opened up both. That local knowledge matters when the fix isn’t wrapping new material around old ducts, but re-securing seams that have been leaking into dirt-floor crawl spaces for a century.
Why Hollis Air Duct Cleaning Is Cleveland’s Preferred Duct Sealing Company
Cleveland homeowners call us back because we price in writing before we touch anything, and we stand behind the work for a full year. Our Duct Sealing in Cleveland crews are background-checked, uniformed, and expected to arrive inside the quoted window, leave the site clean, and explain what they found before they pack up. That’s The Garrison Standard, and it applies to every job we run.
Our 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 schedule.
We’ve earned a strong local reputation in Cleveland by doing what we said we’d do. The 365-Day Done Right Promise means if our sealing work fails within a year, we return and make it right at no charge, including a free second visit. No negotiation, no runaround.
Our Cleveland office coordinates scheduling and dispatch locally. Crews carry professional-grade equipment from Rotobrush, Nikro, and Honeywell, and they know the specific failure modes of Cleveland housing stock: the rust-flaking galvanized of East Side crawl spaces, the crushed flex behind finished basement ceilings in West Park, the unseamed trunk lines that never had a gasket from day one.
Duct Insulation in Cleveland
Duct Insulation in Cleveland addresses a problem most homeowners don’t know they have until a technician opens the system: ducts running through unheated basements, crawl spaces, and attics lose conditioned air through the metal itself, not just through leaks. In Cleveland’s climate, where summer humidity hits hard and winter temperatures drop below 20°F for weeks, uninsulated ducts sweat in July and bleed heat in January. A typical Duct Insulation job in Cleveland runs $1,200 – $2,800 for a whole home, depending on accessible linear footage and whether we’re wrapping existing sealed ducts or insulating after sealing work is complete.
Condensation Control in Humid Months
Cleveland’s July and August humidity pushes dew points above 70°F. When cold supply air moves through uninsulated metal in a damp basement, condensation forms on the exterior, drips onto the floor, and accelerates rust from the outside in. We wrap sealed ducts with formaldehyde-free fiberglass insulation rated for HVAC use, sealed with vapor-barrier tape, so the metal stays dry and the air inside stays cold.
Winter Heat Retention
Heated air loses temperature fast through thin-gauge 1950s-70s flex and uninsulated sheet metal. In a Cleveland January, a supply duct running through an unheated attic can drop 15 – 20 degrees before it reaches the register. Insulation after sealing keeps the heat you paid for inside the duct until it exits the vent.
HVAC Duct Sealing in Cleveland
HVAC Duct Sealing in Cleveland is often the real fix behind persistent airflow problems, high utility bills, and rooms that never reach temperature. A typical whole-home sealing job in Cleveland runs $800 – $2,400, with simpler partial repairs on accessible basement trunk lines starting around $600. We use Honeywell mastic and fiberglass mesh on metal ducts, and proper mechanical clamps plus sealant on flex connections, after a camera inspection and NADCA-standards source removal with agitation tools.
Restoring Original Galvanized Trunk Lines
In Cleveland’s century-old neighborhoods, we don’t rip out hand-fabricated galvanized ducts. We re-secure them. The original seams in these systems were folded and locked, not sealed, because they were sized for coal-era gravity heat that moved air slowly. Once we clean the decades of black dust and rust flakes, we apply mastic to every longitudinal and transverse seam, rebuild support hangers, and rebalance supply and return pressure.
Fixing Postwar Flex and Sheet Metal
The 1950s-1970s ranches and splits in West Park and Old Brooklyn used thin-gauge flex and snap-lock sheet metal that was poorly sealed at installation. Decades of vibration, thermal expansion, and unpermitted basement modifications leave crushed runs and open joints feeding crawl spaces. We locate the disconnects with camera inspection, remove or bypass damaged sections, and seal new connections to code.
Trusted Brands We Service in Cleveland
Our Cleveland crews carry professional-grade equipment and materials from Nikro, Honeywell, and Aprilaire, the same brands commercial HVAC contractors specify. We stock Honeywell mastic and mesh for sealing original galvanized ducts, Nikro negative-air machines and HEPA filtration for source removal before sealing work begins, and Aprilaire media filters for homeowners who want upgraded filtration after the system is sealed and balanced. Because we keep common materials on our Cleveland vans, most sealing jobs don’t wait on parts. If your system uses a specific filtration component or a custom duct fitting, our dispatch team sources it fast from local suppliers.
Common Duct Sealing Problems We See in Cleveland Homes
- Original 1920s galvanized trunk seams with zero sealant. In Slavic Village and Detroit-Shoreway, the hand-fabricated ductwork was folded and locked, never sealed. Conditioned air leaks into dirt-floor crawl spaces for decades before anyone opens an access panel. We re-secure the seams with mastic and mesh after cleaning.
- Unpermitted basement modifications hiding crushed flex. West Park and Old Brooklyn homeowners finish basements over decades of DIY duct reroutes. We find disconnected or crushed flex runs with camera inspection, then seal proper connections after removing the debris.
- Internal rust from Cleveland’s humid summers reopening sealed joints. Condensation forms inside thin-gauge 1950s-70s ducts, flaking rust into the airstream and breaking mastic bonds. Sealing without addressing the rust source fails within a season; we clean first, seal second, insulate third.
- Pressure imbalance from supply leaks pulling crawl space air. When supply ducts leak into unconditioned spaces, return ducts pull replacement air from the path of least resistance, often a dirt-floor crawl space. That brings mold spores, radon, and insect debris into the living space. Sealing the supply side breaks that cycle.
Pricing for Duct Sealing in Cleveland, OH
Whole-home duct sealing in Cleveland typically runs $800 – $2,400. Partial sealing of accessible basement trunk lines starts around $600. Duct Insulation, done after sealing, adds $1,200 – $2,800 depending on linear footage and access. What moves the price: how much of the system is original galvanized versus flex, whether we need camera inspection to locate hidden disconnects, and whether insulation is part of the same job.
We give one flat price per system, agreed in writing before work starts. No per-vent pricing. No add-ons at the door. You’ll see before-and-after photos of your own ducts, and you’ll know exactly what the invoice says before we begin. Call (361) 326-5060 for a free estimate.
We Also Serve Cities Near Cleveland
Our Cleveland office dispatches crews throughout the metro, including Cleveland proper and the nearby communities of Euclid, Beachwood, Maple Heights, and Wickliffe. The same written pricing, same 365-Day Done Right Promise, same uniformed technicians apply in every zip code we cover.
Serving Cleveland, OH - Our Local Coverage Area
We’re based in the Cleveland 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 Cleveland
Because cleaning removes debris but doesn’t close the leaks. Your original galvanized trunk lines were folded and locked, not sealed, and they’ve been dumping heated air into the crawl space since installation. We clean first to NADCA standards, then seal every seam with mastic and mesh so the air reaches your registers. Call (361) 326-5060 for a free inspection and written quote.
We run a camera through the system before any sealing work. The video shows crushed flex, open joints, and debris accumulation that indicates an airflow dead end. Once we locate the problem, we explain what we found and give a written price to access, reconnect, and seal. No guesswork, no exploratory demolition without approval.
It helps after the source is removed. Rust flakes and black dust come from decades of condensation and debris inside unlined galvanized ducts. Sealing alone traps that material; we source-remove it first with agitation tools and negative-air containment, then seal the cleaned metal so new moisture can’t re-enter and restart the rust cycle.
Cleveland’s humid summers and freezing winters cycle ducts between condensation-prone cooling and static-prone heating. That thermal and moisture swing expands and contracts metal, breaks mastic bonds, and rusts thin-gauge ducts from the inside out. A drier climate like Denver doesn’t subject ductwork to the same wet-dry, hot-cold stress.
Yes. Leaky supply ducts create negative pressure that pulls air from crawl spaces, basements, and wall cavities into your living space. That air carries mold spores, radon, insect debris, and whatever else is in the dirt under your floor. Sealing the supply side stops that infiltration. The energy savings are real, but the air quality improvement is often what Cleveland homeowners notice first.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Cleveland since 2004.