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.
Fast, Reliable Duct Sealing Across Broadview Heights
We dispatch to Broadview Heights from our Cleveland office, and most appointments book within a few days, not weeks. If you live in Broadview Heights and your upstairs registers barely whisper while your basement runs damp, the problem is usually not your furnace. It’s leaky ductwork. Call us at (361) 326-5060 and we’ll send a uniformed technician who knows the 1970s – 90s homes that define this suburb, not a salesperson with a clipboard.
Why Hollis Air Duct Cleaning Is Broadview Heights’s Preferred Duct Sealing Company
We’ve been in business since 2004 as part of the Garrison Partners family, and our Duct Sealing team has worked enough Broadview Heights homes to know what the building inspectors missed back when these houses went up. The Garrison Standard means we arrive inside the quoted window, price the job in writing before touching anything, and leave the site clean. Every repair carries our 365-Day Done Right Promise: if the work fails within a year, we return and make it right at no charge, including a free second visit. Our technicians are background-checked and uniformed; our phones are answered by a live person 24 hours a day, seven days a week. No voicemail loops. No callback queues.
Air Duct Sealing in Broadview Heights
Air Duct Sealing in Broadview Heights is the process of closing gaps, cracks, and disconnected joints in your home’s duct system so the air you paid to heat or cool actually reaches the rooms it was meant for. In a typical Broadview Heights home built between 1970 and 1995, we find the worst leaks where rigid trunk lines meet flex branches in the basement, at the plenum connections above the furnace, and along seams that have worked loose from decades of thermal expansion. A full-system seal in Broadview Heights typically runs $450 – $850 for a single-zone home with a basement, depending on how many joints need mastic and how much access the crawl space or soffit allows.
What the Job Actually Involves
We pressurize the system and use a smoke pencil or thermal camera to find the leaks, then seal accessible joints with duct mastic, foil tape rated for HVAC use, or mechanical fasteners where the connection has separated entirely. In Broadview Heights, we often discover that the original 1970s – 80s cold-air returns are so undersized and choked with Cuyahoga Valley pollen and leaf litter that sealing alone can’t restore balance. The return has to be upsized or re-routed. We tell you this before we start, and the price is written down before any work begins.
When Sealing Becomes Necessary
Call us when your energy bills climb without explanation, when rooms on the same floor feel dramatically different, or when your basement smells musty after rain. In Broadview Heights, finished-basement ducting added later mixes rigid trunk lines with flex branches, and the joints where they meet are the first to leak, collect condensation, and grow mold in Northeast Ohio’s humid summers. Unsealed basement runs sweat in summer and freeze in winter, so the leaks quietly pull in outdoor air, dust, and moisture. Caulk and tape fail within a few seasons on those temperature swings.
Duct Sealing Services in Broadview Heights
Duct Sealing Services in Broadview Heights cover everything from spot repairs on a single crushed flex branch to full-system sealing and rebalancing for homes with mixed-era ductwork. Our crews serve Broadview Heights locally, and we carry the tools to handle both the original rigid steel trunk lines and the flex branches that were added when basements were finished in the 1980s and 1990s. A spot seal on one or two accessible leaks might run $180 – $320. A comprehensive seal and rebalance for a multi-zone system with basement returns typically falls between $650 and $1,100.
Inspection and Leak Detection
We start every job with a visual inspection and pressure test. In the older neighborhoods near Broadview Road and the Brecksville border, many homes have original 1970s – 80s furnace systems with undersized cold-air returns. After a duct cleaning, homeowners often notice improved airflow because those tight returns had been choked with decades of dust and debris. But cleaning alone doesn’t seal the leaks. We mark every joint that fails the pressure test, photograph it, and show you before we seal it.

Materials and Follow-Through
We use professional-grade mastic and foil tape, not hardware-store duct tape, which dries out and fails. For homes with significant leakage at the plenum or trunk connections, we may recommend adding mechanical supports or replacing short sections of deteriorated flex. Every seal job includes a post-work pressure test so you can see the improvement in measured airflow. The result is written on your invoice, along with the 365-Day Done Right Promise.

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 Broadview Heights
Our equipment roster includes Nikro negative-air machines, Honeywell filtration components, Aprilaire media cabinets, and Abatement Technologies HEPA gear. We stock filters and sealing materials sized for the Bryant, Carrier, Lennox, and Trane systems common in Broadview Heights’s 1970s – 1990s housing stock. That means no waiting on parts for a standard seal job. If your system needs a MERV 11 upgrade or a fresh media filter after we’ve sealed the leaks, we carry it on the van. Most seal-and-service appointments in Broadview Heights finish in a single visit.
Common Duct Sealing Problems We See in Broadview Heights Homes
- Crushed flex branches in finished basements. In Broadview Heights, the flex duct added during 1980s basement remodels was often routed through tight soffits or buried in insulation. Over decades it collapses partially or fully, choking airflow to back bedrooms. We replace the crushed run and seal the new connection properly.
- Leaky rigid-to-flex joints. The transition between original steel trunk lines and later flex branches is a chronic failure point. Northeast Ohio’s freeze-thaw cycles expand and contract these joints until the seal fails completely. We re-secure with mechanical fasteners and mastic.
- Undersized returns packed with pollen and debris. The Cuyahoga Valley tree canopy dumps heavy spring pollen that gets pulled into undersized returns and compacts over years. Cleaning helps, but sealing and rebalancing the return path is what actually restores airflow.
- Condensation and mold in unsealed basement runs. Humid summers and cold winters create temperature swings that make unsealed ductwork sweat. The moisture feeds mold growth and degrades surrounding insulation. Sealing the leaks and adding proper insulation stops the cycle.
Pricing for Duct Sealing in Broadview Heights, OH
A typical spot seal on one or two accessible leaks in Broadview Heights runs $180 – $320. A full-system seal for a single-zone home with basement ductwork usually falls between $450 and $850. Multi-zone systems with extensive rigid-to-flex transitions, crawl space access issues, or returns that need upsizing can run $650 – $1,100. What drives the price: how many leaks we find, how accessible they are, whether returns need re-routing, and whether we need to replace degraded flex or insulation. We give you a written price before any work starts, and that price does not move at the door. No per-vent pricing. No teaser coupons that balloon once the van is in your driveway. Call (361) 326-5060 for a free estimate. We’ll pressure-test the system, show you the leaks, and write down the exact cost to fix them.
We Also Serve Cities Near Broadview Heights
Our crews work throughout Cuyahoga County and beyond, including Brecksville, North Royalton, Independence, and Strongsville. Scheduling is coordinated from our Cleveland office, with local technicians dispatched to each community.
Serving Broadview Heights, OH - Our Local Coverage Area
We’re based in the Broadview 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 Broadview Heights
Sealing often fixes the problem if the original trunk lines are intact and the flex branches are in reasonable shape. In Broadview Heights, we frequently find that the real issue is leaky rigid-to-flex joints and undersized returns, not failed ductwork. We pressure-test the system and show you exactly what sealing will achieve before you decide on any replacement. Call (361) 326-5060 for an exact quote – estimates are free.
Unsealed basement ductwork pulls in humid outdoor air through gaps and cracks, and that moisture condenses on cold duct surfaces in summer. In Broadview Heights’s older homes with finished basements, the leaks are often at the rigid-to-flex transitions where later remodeling connected to original trunk lines. Sealing those joints stops the moisture intrusion. Call (361) 326-5060 and we’ll find the entry points.
Yes. The tree canopy surrounding Broadview Heights produces significant pollen loads that get drawn into leaky returns and gaps in exterior duct runs. We’ve pulled compacted pollen and leaf litter from returns that hadn’t been opened in decades. Sealing the leaks and upgrading filtration keeps that debris out of your system and your air. Call (361) 326-5060 for an inspection.
It can, if the weak airflow is caused by leaks in the supply branches or choked returns rather than an undersized furnace. In Broadview Heights’s split-levels and colonials near Broadview Road, we often find crushed flex branches or returns packed with debris that sealing and rebalancing corrects. We measure airflow before and after so you know whether the furnace is the real problem. Call (361) 326-5060 for a pressure test.
We pressurize the duct system and use a smoke pencil to trace escaping air, plus thermal imaging to spot temperature anomalies at joints and seams. In Broadview Heights’s mixed-era homes, we pay particular attention to the rigid-to-flex transitions in basements and the plenum connections above older furnaces. We photograph every leak and show you before we quote the repair. Call (361) 326-5060 to schedule.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Broadview Heights since 2004 as part of the Garrison Partners family.




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