Fast, Reliable Duct Repair & Sealing Across Irondequoit
Duct repair and sealing in Irondequoit typically costs $280-$680 for most residential jobs, with same-day or next-day scheduling available throughout the 14617 ZIP code and surrounding neighborhoods. We’re familiar with the post-war housing stock here - the ranch homes off St. Paul Boulevard, the Cape Cods near Irondequoit Bay, the split-levels along Titus Avenue - and we know how Lake Ontario’s moisture works its way into those older systems. If you’re losing heated air into your basement or attic, or your utility bills have climbed without explanation, give us a call at (844) 685-6342. We’ll answer live, day or night, and get a technician out fast.
Why Bellows Air Duct & Vent Co. Is Irondequoit’s Preferred Duct Repair & Sealing Company
We’ve been serving homeowners for over 42 years, and Irondequoit has been part of our route since the early days. The town’s mix of lakefront properties and inland subdivisions means every job teaches us something about how this specific environment treats ductwork. Our technicians are background-checked and uniformed, and they carry the same professional-grade equipment - Rotobrush, Nikro, Abatement Technologies - that serious HVAC contractors specify for their own jobs.
Our Duct Repair & Sealing team answers calls 24 hours a day, live, not voicemail. Most repairs are completed in a single visit. Before we start, we run a camera through your system so you see what we see. After we finish, we run it again. The price we quote on the phone is the price on the invoice - no bait coupons, no changes at the door. And everything we do carries our 90-Day Done Right Promise in writing: if it’s not right, we make it right, no paperwork, no arguing.
Our Duct Repair & Sealing Services in Irondequoit
Duct Sealing
Sealing is where we usually start in Irondequoit homes, and it’s often where we finish too. The original mastic on 50-year-old galvanized joints crumbles in damp basements throughout this town - we’ve seen it on Seabreeze Drive, on Pattonwood Drive, in the low-lying ranch neighborhoods near the bay. We strip the old material, clean the joints, and apply fresh mastic sealant rated for the humidity loads this climate generates. For systems with significant leakage, we’ll pressurize the ductwork and measure before-and-after airflow so you know exactly what changed.

Flex Duct Repair
Flex duct sections in Irondequoit’s crawl spaces take a beating. The freeze-thaw cycling here is more aggressive than in Greece or Gates - water expands in the soil, shifts the foundation slightly, and the flex duct sags or tears at the connections. We replace damaged sections with properly supported flex or, where clearance allows, upgrade to rigid metal that won’t sag again. Our crew carries both materials on every truck, so we’re not making a second trip.

Metal Duct Repair
The galvanized sheet-metal trunks in Irondequoit’s 1950s-1970s homes were built to last, but they weren’t built for 70 years of lake-effect humidity. Rust at the seams is common. We can often repair rather than replace - cutting out corroded sections, fabricating custom fittings, and sealing with professional-grade mastic. On a ranch off St. Paul Boulevard, we found the original 1960s metal duct trunk in the attic coated with biofilm from repeated condensation. Our crew cleaned the liner and applied mastic sealant to leaking joints, then added R-19 insulation to prevent recurrence. The homeowner avoided a full replacement for now.

Duct Insulation
Insulation isn’t always thought of as repair, but in Irondequoit it’s often the fix that lasts. Ranch homes on the northern, lake-facing streets commonly have ductwork routed through poorly insulated attic cavities. When cold lake-effect air saturates that space and the furnace kicks on in early October, the temperature differential causes condensation to coat fiberglass duct liner with a biofilm that technicians working southern Rochester suburbs rarely encounter. We upgrade to R-19 or higher, properly vapor-sealed, so the problem stays solved.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
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 Irondequoit
We stock parts and materials from Abatement Technologies, Rotobrush, and Nikro - the same brands that commercial HVAC contractors in Monroe County rely on. For Irondequoit homeowners, that means faster turnaround. We’re not ordering parts from a warehouse in Buffalo and waiting three days. Our trucks carry mastic sealants, insulation wraps, rigid metal fittings, and flex duct in standard diameters, so most jobs start and finish on the same visit. If your system uses Honeywell or Aprilaire components, we service those too.
Common Duct Repair & Sealing Problems We See in Irondequoit Homes
- Biofilm growth on fiberglass duct liner in attic runs. The lake-effect cold saturates poorly insulated attic cavities, and when warm furnace air hits that cold surface, condensation forms a recurring biofilm. We clean the liner and upgrade insulation to stop the cycle.
- Crumbling mastic on 50-year-old galvanized joints in damp basements. Irondequoit’s older homes frequently have unfinished basements with persistent moisture. The original sealant dries out and cracks, letting conditioned air leak into spaces where it does no good.
- Flex duct sections in low-clearance crawl spaces sag and tear from freeze-thaw cycling. The soil movement here is real - we’ve replaced flex duct in crawl spaces near the bay that had separated entirely from its collar.
- Rust-through on metal trunk lines from decades of humidity exposure. Galvanized steel lasts a long time, but not forever. We patch or replace sections, always with proper sealing and support.
Pricing for Duct Repair & Sealing in Irondequoit, NY
Here’s what we typically see in this market:
| Service | Typical Range in Irondequoit |
|---|---|
| Basic duct sealing (mastic, joints, small leaks) | $280-$420 |
| Flex duct repair or section replacement | $340-$580 |
| Metal duct repair (patching, custom fittings) | $380-$680 |
| Attic duct insulation upgrade (R-19) | $450-$820 |
| Full system camera inspection with report | $89-$150 |
Every job is different - the accessibility of your ductwork, the extent of damage, whether we’re working in a finished basement or a tight crawl space. That’s why we offer free estimates, with the exact price disclosed before we lift a single tool. We also honor our standing offers: $50 off any repair over $250, a free second opinion on any written estimate, and a permanent 5% senior and veteran discount. Call (844) 685-6342 for your exact quote.
We Also Serve Cities Near Irondequoit
Our Duct Repair & Sealing in Irondequoit crew covers the full town, and we regularly work in Rochester, Greece, Gates-North Gates, and North Gates too. The same technician who knows your 1960s ranch in Irondequoit understands the housing stock in those neighboring communities. Same pricing standards, same camera verification, same 90-Day Done Right Promise.
Serving Irondequoit, NY - Our Local Coverage Area
We’re based in the Irondequoit 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 - Duct Repair & Sealing in Irondequoit
Irondequoit sits directly on Lake Ontario’s southern shore, making it one of the most moisture-exposed suburbs in the Rochester metro. The relentless lake-effect snow cycles, fog off Irondequoit Bay, and freeze-thaw oscillations drive elevated humidity intrusion into attic duct systems at a rate that inland Monroe County suburbs like Pittsford or Henrietta simply do not experience. Your attic likely has poor insulation and high humidity, creating the perfect conditions for biofilm when warm furnace air hits cold duct surfaces. We address this with cleaning, sealing, and insulation upgrades - call (844) 685-6342 for a free inspection.
Yes, in most cases we can repair and seal rather than replace the full system. We cut out corroded sections, fabricate custom metal fittings, and apply fresh mastic sealant rated for high-humidity environments. Our camera inspection shows you exactly what’s salvageable and what isn’t. If a full replacement becomes necessary down the road, we’ll tell you honestly - no scare tactics. Call (844) 685-6342 for a free second opinion on any written estimate.
Yes, particularly in homes with crawl spaces or additions where flex duct was installed for its low cost and easy routing. The freeze-thaw cycling in Irondequoit is harder on flex than in southern suburbs - we see sagging, tearing, and collar separation regularly. We repair or replace with properly supported flex, or upgrade to rigid metal where clearance allows. Most flex duct repairs run $340-$580 and are done in one visit. Call (844) 685-6342 to schedule.
Every two to three years for homes with attic duct runs, and annually if you’ve had biofilm or condensation issues before. The lake-effect moisture load here is genuinely different from inland markets, and early catch saves money. Our $89 Seasonal Tune-Up includes a basic visual inspection, or we can run a full camera inspection for $89-$150. Call (844) 685-6342 to book.
Yes, Rotobrush is one of our primary tools for cleaning and preparing older ductwork before sealing. The flexible cable and brush system navigates the tight turns and irregular joints common in 1950s-1970s systems without damaging fragile components. We also use Nikro HEPA vacuums and Abatement Technologies containment equipment to protect your home during the process. Every job is camera-verified before and after. Call (844) 685-6342 with questions about your specific system.
Ready to stop losing heated air into your basement or attic? Call Bellows Air Duct & Vent Co. at (844) 685-6342 for a free estimate on duct repair and sealing in Irondequoit. We’ll answer live, schedule at your convenience, and show you exactly what your system needs before any work begins. One honest price. Camera-verified results. Backed for 90 days in writing. That’s how we’ve done it since 1984.
Written by Ray Castillo, Owner at Bellows Air Duct & Vent Co., serving Irondequoit since 1984.