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 Repair & Sealing Across Lombard
Duct repair and sealing in Lombard, IL typically costs $280-$750 for most residential jobs, with full-system mastic sealing on a ranch or split-level running $450-$950 depending on access. Our crews are dispatched from the Chicago office and carry extended-reach equipment specifically for the enclosed soffit dead-ends common in Lombard’s 1960s-70s housing stock. Call (224) 385-0904 for a written estimate before any work starts - Haven Standard Clause 1.
We’ve worked on enough homes along St. Charles Road and Roosevelt Road to know the ductwork here wasn’t built for today’s furnaces. The postwar ranch, raised-ranch, and split-level homes that dominate Lombard’s residential core carry original sheet-metal trunk-and-branch systems, often with degraded fiberglass liner inside, that need a different approach than the open-basement layouts found in newer construction. Our Duct Repair & Sealing team brings the access tools and documentation process that this housing stock demands.
Why CleanRun Air Duct Cleaning Schaumburg Is Lombard’s Preferred Duct Repair & Sealing Company
Lombard homeowners have left us verified reviews describing crews who arrived on time, showed the camera footage before quoting, and delivered the photo record afterward. We don’t ask for trust; we document every step.
Dispatch and scheduling are coordinated from our Chicago office, with crews carrying equipment for Lombard’s specific challenges: extended-reach agitation tools for soffit dead-ends, portable HEPA-negative pressure rigs for tight blocks where curb staging isn’t possible, and mastic sealant rated for the temperature swings of DuPage County’s continental climate. Haven Standard Clause 3: Verified Crews means every technician is background-checked, uniformed, and identified by name before arrival.
Since 2013, we’ve served more than 52,000 homes with one rule that never changes: written price before any work starts, every time, no exceptions. Our 365-Day Done Right Promise is backed in writing on every job, not buried in a policy manual. And our Free Second Opinion means you can bring any competitor’s written estimate; we’ll put our number next to it, item by item, at no cost.
Our Duct Repair & Sealing Services in Lombard
Duct Sealing
Sealing in Lombard means addressing the leakage points that develop where original sheet-metal joints have worked loose over sixty years of heating cycles. We use mastic sealant, not tape, on every metal-to-metal connection - mastic remains flexible through the expansion and contraction that Lombard’s sub-zero winters and humid summers produce. For homes near Lilacia Park, sealing also means closing the pathways that pull concentrated spring pollen into the system once windows close for summer cooling. Every sealing job includes static-pressure testing before and after, so you can see the measurable difference in writing.
Flex Duct Repair
Flex duct in Lombard’s split-level and tri-level homes often runs through enclosed soffits between floors, where kinks, compression, or rodent damage go unseen until airflow drops to a whisper. We don’t guess. A camera inspection shows the damage, we quote a written repair scope, and we cut the smallest necessary access panel to replace the damaged run with new flex duct supported at proper intervals. The repair is photographed before and after, and the access panel is finished to match. In Lombard’s denser condo blocks, flex duct repair sometimes requires coordinating with building management for shared chases - something our crews have done on properties along Finley Road and Highland Avenue.
Metal Duct Repair
Original sheet-metal trunk-and-branch systems from Lombard’s 1950s-1970s build-out are built to last, but they’re frequently undersized for modern high-efficiency furnaces. Sealing without checking static pressure just pushes the leakage to the next weakest joint. Our metal duct repair includes re-sizing calculations where needed, patching rusted or separated seams with proper sheet-metal work (not foil tape), and re-lining where internal fiberglass has degraded. We were called to a raised-ranch on St. Charles Road where the upstairs registers were barely moving air and the homeowner blamed the furnace. A camera inspection showed a collapsed run of original sheet-metal supply duct dead-ending in an enclosed soffit between floors, packed with decades of pet dander and degraded fiberglass liner. We cut a small access panel, rebuilt and mastic-sealed the branch, then ran agitation tools and negative pressure with HEPA filtration through the whole trunk-and-branch system - static pressure dropped and the second-floor registers finally matched the first.
Duct Insulation
Uninsulated or poorly insulated ductwork in Lombard’s unconditioned attics and crawl spaces bleeds heated and cooled air into spaces that don’t need it. In summer, when dew points top 70°F, cold supply ducts in humid attic spaces sweat, creating the condensation cycles that accelerate mold colonization. We install proper duct insulation with vapor barriers, sealed at every seam, to stop both energy loss and moisture problems. The work is photographed and included in your documented photo record.
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.
BeforeAfterTrusted Brands We Service in Lombard
Our equipment roster includes Rotobrush agitation systems for extended-reach work in Lombard’s soffit dead-ends, Nikro portable negative-pressure units for tight staging situations, and Guardsman sealants rated for the temperature extremes of northern Illinois. We don’t use equipment we can’t name and you can’t look up. Every brand on our trucks - Abatement Technologies HEPA filtration included - is published so you can verify specifications before agreeing to a written price.
Common Duct Repair & Sealing Problems We See in Lombard Homes
- Enclosed soffit dead-ends in split-level plans. In Lombard’s common 1960s-70s split-level and tri-level floor plans, supply ducts frequently dead-end in enclosed soffits between floors with multiple 90-degree turns - a layout that traps pet dander, insulation fibers, and the area’s notorious spring pollen in spots standard 25-foot whip systems can’t reach without extended equipment. That layout also means duct repair and sealing here frequently involves cutting access panels into finished ceilings rather than working from a basement trunk line.
- Shared building systems in condos and apartments. Shared building systems in Lombard’s denser condo and apartment blocks push stack-effect pressure through party-wall chases, so a sealing job in one unit can pull lint and dander from a neighbor’s return unless the air handler is isolated first. This isn’t a corner-cutting situation; it’s a sequencing problem that requires proper isolation before any sealing begins.
- Undersized original ductwork for modern furnaces. Original sheet-metal trunk-and-branch ductwork from the 1950s-70s postwar build-out is undersized for modern high-efficiency furnaces, so sealing without re-checking static pressure just moves the leakage to the next joint. We measure before and after, in writing, so the system performs as designed.
- Restricted equipment access on tight Lombard blocks. Restricted parking and equipment access on tight Lombard blocks and in shared garages means crews can’t always stage a full negative-pressure rig at the curb, and shortcuts there leave source removal incomplete. We carry portable Nikro units specifically for these situations - smaller footprint, same HEPA standard.
Pricing for Duct Repair & Sealing in Lombard, IL
A typical duct sealing job on a Lombard ranch or raised-ranch runs $280-$550. Split-level and tri-level homes with enclosed soffit access run $450-$750 due to the additional labor for access panels and extended-reach equipment. Metal duct repair - patching, re-seaming, or rebuilding a collapsed branch - typically falls between $320 and $680 depending on material and access. Full flex duct replacement in a soffit dead-end runs $380-$850 per run. Duct insulation in an unconditioned attic or crawl space runs $2.50-$4.20 per linear foot, with most Lombard homes needing 40-120 feet.
What moves the number: access difficulty (finished ceilings vs. open basement), extent of damage found on camera inspection, and whether static-pressure re-balancing is needed after sealing. We deliver the written price before any work starts - Haven Standard Clause 1 - and every quote includes the documented photo record as standard, not an upsell. Call (224) 385-0904 for a written estimate; estimates are free, and our Free Second Opinion applies to any competitor’s written quote you bring us.
We Also Serve Cities Near Lombard
Our crews work throughout DuPage and Cook Counties, with regular routes to Lombard neighbors in Downers Grove, Lisle, Elk Grove Village, and Naperville. The same equipment, the same written-price-first process, the same documented photo record on every job.
Serving Lombard, IL - Our Local Coverage Area
We’re based in the Lombard 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 Lombard
This is the most common call we get from Lombard’s split-level and tri-level homes. The supply branch to the upper floor typically dead-ends in an enclosed soffit between levels, and over decades that run can collapse, disconnect, or pack solid with debris - especially in homes with original fiberglass duct liner that has degraded. A camera inspection shows exactly what’s happening; repair usually means cutting a small access panel, rebuilding the branch, and sealing with mastic. Call (224) 385-0904 and we’ll show you the camera footage before quoting.
Usually both. The shared stack itself needs cleaning, but the connection points where individual units tie in often have gaps, improper transitions, or backdraft dampers that have failed - and those are repair items. In Lombard’s condo blocks, we also check whether stack-effect pressure is pulling between units before we seal anything. We scope the work in writing, show you the camera evidence, and price it before starting.
It does. Lombard’s identity as the ‘Lilac Village’ - anchored by Lilacia Park’s hundreds of lilac cultivars and the annual Lilac Time festival each May - produces one of the most concentrated seasonal pollen surges in the western suburbs. Homeowners who open windows during this celebrated local event and then seal up for summer cooling pull that dense lilac and tree pollen directly into their ductwork, making late-spring duct cleaning a need that is genuinely specific to Lombard in a way it isn’t for neighboring Addison or Villa Park. If your ducts are already leaky, that pollen circulates through the system for months. Sealing reduces the intake; cleaning removes what’s already inside.
Sealing helps by reducing the humid outdoor air that enters the system through leaks, which in turn reduces the condensation that forms on cold duct surfaces in humid conditions. DuPage County’s continental climate drives forced-air systems to run hard in both directions: extended sub-zero heating seasons and humid summers with dew points regularly topping 70°F create condensation cycles inside ductwork that accelerate mold colonization and dust-mite populations, making cleaning intervals more urgent than in drier climates. But sealing alone won’t eliminate existing mold. If we find active growth during camera inspection, we’ll document it and include remediation in the written scope.
In most Lombard ranches and raised-ranches, yes - the trunk lines run through an unfinished basement or crawl space with register drops that are accessible from below. The problem arises in split-level and tri-level plans where branches dead-end in enclosed soffits. Even then, we cut the smallest possible access panel, usually in an inconspicuous spot, and finish it to match. We’ll show you the camera path and the proposed access point on the written scope before any cutting begins. Call (224) 385-0904 to schedule a camera inspection.
Ready for a written estimate? Call (224) 385-0904. A live person answers, 24/7. We’ll schedule a camera inspection, show you what we find, and deliver a written price before any work starts - Haven Standard Clause 1. Every job includes the documented photo record and the 365-Day Done Right Promise, backed in writing.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Lombard since 2013.