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 Heights
Duct sealing in Cleveland Heights typically runs $450 – $1,200 for a whole-house job, depending on whether we’re sealing accessible joints in a basement system or chasing leaks through finished walls and attic branches. We’re the Cleveland Heights crew from Hollis Air Duct Cleaning, and we’ve been working on the galvanized steel ductwork that fills this city’s older neighborhoods since 2004. Our dispatch office is in Cleveland proper, so we’re rarely more than 15 minutes from a Cleveland Heights call. You can reach us at (361) 326-5060.
Cleveland Heights isn’t like the suburbs that grew up after World War II. The housing stock here predates modern forced-air design. That matters when you’re sealing ducts, because the problems we find in a 1925 colonial on Lee Road aren’t the same problems we’d find in a 1987 split-level in Parma. We know the difference, and we price it before we touch it.
Why Hollis Air Duct Cleaning Is Cleveland Heights’s Preferred Duct Sealing Company
We’ve built our reputation in Cleveland Heights on showing up inside the window, pricing in writing, and leaving the site clean. That’s The Garrison Standard, and it’s how every Hollis location operates, including ours serving Cleveland Heights.
Our technicians are background-checked and uniformed. You know who’s walking into your home before they arrive. And when we say we’ll be there between 8 and 10 a.m., we’re there between 8 and 10 a.m. Cleveland Heights homeowners have told us that’s rarer in this trade than it should be.
Every job gets a written price before work starts. Not an estimate that balloons once we’re inside. The price we write down is the price you pay. And every repair is backed by our 365-Day Done Right Promise: if the work fails 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, no waiting until Monday when your basement’s humid and your system’s running constantly.
HVAC Duct Sealing in Cleveland Heights
HVAC Duct Sealing in Cleveland Heights means addressing the leaks, gaps, and failed joints in duct systems that were never designed for the static pressures modern furnaces and air conditioners generate. In a typical Cleveland Heights home built between 1910 and 1930, we find original galvanized steel trunks with rust-pitted interiors, gravity-furnace-era runs that have been adapted rather than replaced, and extended branches through unfinished attics and basements that have worked loose at joints or been crushed by later renovation. Sealing these systems isn’t about slapping tape on a register boot. It’s about finding where conditioned air is escaping into walls, attics, and crawl spaces, and sealing those points with mastic and mesh so the system can hold pressure and deliver air where it’s supposed to go.
A full HVAC duct sealing job in Cleveland Heights typically costs $450 – $1,200. Simple basement systems with accessible joints fall at the lower end. Jobs requiring access through finished walls, or systems with multiple disconnected runs in attics, run higher. We always inspect first and give you a written price before any sealing begins.
Static Pressure Testing
We test with a Honeywell manometer before and after sealing to measure whether your system can actually hold pressure. In Cleveland Heights’s older homes, we often see pre-sealing readings below 0.5 inches WC, which means your furnace is working harder and delivering less. Post-sealing, we expect to see that number climb into the proper range for your equipment.
Mastic and Mesh Application
We don’t use duct tape. We use duct sealing matic, a water-based compound that remains flexible after curing, reinforced with fiberglass mesh at joints and plenum connections. On Cleveland Heights’s rusted galvanized ducts, we first remove loose scale and debris, then seal over sound metal. Sealing over flaking rust just traps the failure.
Duct Repair in Cleveland Heights
Duct Repair in Cleveland Heights often goes hand-in-hand with sealing, because the problems that cause leaks in these older homes frequently involve physical damage, not just failed seals. We find crushed branches where someone stepped on a flexible duct during attic storage. We find disconnected runs where a joint has pulled apart after decades of thermal expansion and contraction. We find sections of galvanized trunk that have rusted through entirely, especially in unheated attic spaces where Cleveland Heights’s freeze-thaw cycles produce condensation all winter. Repair means replacing damaged sections with new galvanized or insulated flex duct, reconnecting separated runs with proper mechanical fasteners, and then sealing the entire system so it performs as a single, pressure-tight network.
Duct repair in Cleveland Heights runs $300 – $950, depending on how many sections need replacement and how accessible they are. A single crushed branch in an open attic might take two hours. A rusted trunk line behind a finished basement ceiling takes longer and costs more. We inspect with a camera, show you what we found, and write the price down before we cut or seal anything.
Disconnected Run Reconnection
In Cleveland Heights’s finished attics and basements, we regularly find duct runs that have separated at joints. The air you paid to heat or cool is pouring into an unused space. We reconnect with sheet-metal screws and proper straps, then seal with mastic. No shortcuts.
Rusted Section Replacement
When galvanized steel has pitted through, sealing won’t save it. We cut out the failed section and splice in new ductwork, matching the diameter and insulation value of the original run. Then we seal the new connections and test the whole system.
Trusted Brands We Service in Cleveland Heights
Our equipment comes from Nikro, Honeywell, Aprilaire, and Abatement Technologies. We run Nikro negative-air machines during cleaning to keep debris contained, and we test with Honeywell static pressure gauges to verify that our sealing work actually improved your system’s performance. For filtration upgrades after sealing, we stock Aprilaire media cleaners and Guardsman products that fit the standard returns we see in Cleveland Heights’s older homes. We carry common duct diameters and fittings on our vans, so most repairs don’t wait on parts.
Common Duct Sealing Problems We See in Cleveland Heights Homes
- Flaking galvanized interiors. The original steel ductwork in Cleveland Heights’s 1910 – 1930 homes rusts from the inside out. We can’t seal over loose scale. We remove it first, then seal the sound metal beneath. Sealing over pitting just traps the failure.
- Gravity-furnace-era runs adapted for forced air. Those wide, low-pressure trunks don’t move air efficiently with a modern blower. We often find they’ve been patched and extended rather than replaced, with leaky adaptation points that need proper sealing or rebuilding.
- Attic and basement branches disconnected by freeze-thaw. Cleveland Heights’s unheated attic spaces see condensation every winter as warm duct air meets cold rafter air. That moisture rusts seams and rots support straps. Joints work loose. We reconnect and seal, but we also look for the moisture source.
- Crushed branches from later renovation. In finished basements and attic conversions, we find ducts flattened by storage boxes, new walls, or flooring installation. Air can’t move through a flat duct. We replace the damaged section and seal the new connection.
Pricing for Duct Sealing in Cleveland Heights, OH
Whole-house duct sealing in Cleveland Heights typically costs $450 – $1,200. A small ranch with an accessible basement system and a dozen joints to seal might run $450 – $650. A larger colonial with extended attic branches, multiple disconnected runs, and rust remediation could reach $950 – $1,200. Duct repair, when needed, adds $300 – $950 depending on how many sections we replace.
What moves the price: accessibility (finished vs. unfinished spaces), extent of rust or damage, number of disconnected runs, and whether we need to cut access panels. We don’t quote per-vent or per-linear-foot. We inspect your system, identify every leak and failure point, and give you one flat price for the whole job, agreed in writing before we start.
Estimates are free. Call (361) 326-5060 to schedule.
We Also Serve Cities Near Cleveland Heights
Our Duct Sealing crews work throughout the greater Cleveland metro, including Columbus, Cleveland, Parma, and Lorain. Dispatch and scheduling are coordinated from our Cleveland office, with local technicians serving each area.
Serving Cleveland Heights, OH - Our Local Coverage Area
We’re based in the Cleveland Heights 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 Heights
1920s Cleveland Heights homes run original galvanized steel ductwork that rusts and flakes internally, plus gravity-furnace-era runs and extended attic branches never designed for modern forced-air pressures. Sealing is often the only way to get these systems to hold static pressure and deliver air where it’s supposed to go. In newer suburbs with intact flex-duct systems, leaks are fewer and less severe. Call (361) 326-5060 for a free inspection of your Cleveland Heights system.
We can seal ductwork that’s structurally sound, even if it’s old. The critical factor is whether the metal beneath the rust is intact. If the galvanized steel has pitted through, sealing won’t help, and we replace that section. After our camera inspection, we’ll show you exactly what we found and whether sealing, repair, or replacement is the right call for your Cleveland Heights home.
Yes, frequently. In Cleveland Heights’s finished attics and basements, we regularly find runs that have pulled apart at joints, especially where freeze-thaw condensation has rusted straps and fasteners. Our camera inspection catches these during cleaning. We note them, show you the footage, and can seal or reconnect as part of the same visit or schedule a return if the repair is extensive.
Cleveland Heights’s cold winters and humid summers produce condensation in unheated attic and crawl spaces, which rusts seams and rots support straps. Without sealing, that moisture keeps feeding corrosion and mold in the duct system. Proper sealing stops the air leakage that drives condensation, but we also inspect for moisture sources that need addressing beyond the ductwork itself.
Indirectly, yes. In the Cedar-Lee and Coventry neighborhoods, dense tree canopy drops debris into outdoor HVAC intakes each fall. That debris clogs returns and forces the system to run harder, increasing static pressure and stressing already-leaky joints. We often find squirrel nests and leaf debris in attic duct systems of 1920s Tudors. Cleaning the debris is step one; sealing the stressed joints is step two, so the system can handle normal pressure without leaking. Call (361) 326-5060 to schedule both.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Cleveland Heights since 2004.