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 Repair & Sealing Across Lombard
Duct repair and sealing in Lombard typically costs $280-$890 depending on whether we’re resealing joints in an accessible basement or rebuilding crushed runs in a crawl space. Most Lombard jobs are scheduled within a week and take four to six hours for a standard ranch or split-level.
We’ve been driving to Lombard since 2013, and our crews know the difference between a 1962 ranch near Main Street and a 1989 subdivision off Roosevelt Road. The duct problems are different. The fixes are different. If you’re in Lombard and your bedrooms stay cold while your basement overheats, the issue is almost never the furnace. It’s the ductwork. Call (224) 351-9772 for a free written estimate - we’ll show you exactly what we find before any work starts.
Why CleanRun Air Duct Cleaning Northbrook Is Lombard’s Preferred Duct Repair & Sealing Company
Lombard homeowners don’t buy duct services from a brochure. They buy from documentation, and that’s what we deliver. Our Duct Repair & Sealing team photographs every duct run before and after work, provides a written price before touching a single panel, and backs every job with the 365-Day Done Right Promise in writing.
Scheduling and dispatch for Lombard run through our Chicago office, with crews already working the western suburbs most days of the week. We’re not guessing at your home’s layout. We’ve cleaned and sealed ductwork in the ranch blocks south of St. Charles Road, the split-levels near Madison Meadow Park, and the 1980s subdivisions north of Roosevelt. We know which basements have converted gravity plenums and which have flex-duct attics that bake in July.
Tomas Reyes established CleanRun in 2013 with a single rule: written price first, photo record last, no exceptions. That rule still governs every Lombard job. Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews.
Our Duct Repair & Sealing Services in Lombard

Duct Sealing
Lombard’s mid-century homes lose 20-35% of conditioned air through leaks before it reaches the registers. We seal with mastic and fiberglass mesh at every joint, collar, and plenum seam, then pressure-test to verify. In older ranches near Main Street, we often find the original installer never sealed the octopus plenum’s floor boots at all - just raw sheet metal butted against concrete. A typical duct sealing job in Lombard runs $340-$620 for a single-system home.

Flex Duct Repair
The northern and southern edges of Lombard built out in the 1980s and 1990s with flex-duct runs in attics and crawl spaces. After thirty years, the inner liner degrades, the insulation sags, and the collars pull loose. We replace damaged sections with new R-8 flex, secure with tension straps and mastic, and photograph every connection. Flex duct repair in Lombard typically costs $180-$420 per run depending on accessibility.

Metal Duct Repair
Original sheet-metal trunk lines in Lombard’s 1952-1975 housing stock don’t fail dramatically. They corrode at the seams, separate at the drives, and collect debris in oversized dead-air pockets where gravity-furnace airflow once moved slowly. We rebuild crushed sections, replace rotted boots, and seal with professional-grade mastic. Metal duct repair in Lombard ranges from $260 for a single boot replacement to $780 for extensive trunk-line rebuilding.

Duct Insulation
Unconditioned basements and crawl spaces in Lombard expose metal ducts to freeze-thaw cycling that degrades original fiberglass wrap. We reinsulate with foil-faced fiberglass or closed-cell wrap, sealed at every seam, to stop condensation and thermal loss. Duct insulation in Lombard runs $420-$890 for a full system depending on linear footage and access.

What happens when you call
- 1
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.
Before
AfterTrusted Brands We Service in Lombard
Our equipment roster includes Nikro negative-pressure extractors, Honeywell and Aprilaire humidifier components, and Abatement Technologies HEPA filtration - brands you can look up independently before we arrive. We stock common humidifier pads, bypass dampers, and flex-duct diameters for Lombard’s housing stock, so most repairs don’t wait on parts. If your Aprilaire 600 bypass humidifier is shedding mineral scale into your supply ducts, we carry the replacement water panels and distribution trays on the truck.
Common Duct Repair & Sealing Problems We See in Lombard Homes

- Converted gravity-furnace plenums in 1952-1975 ranch and split-level homes: Oversized rectangular sheet-metal trunks and floor boots hold compacted sediment that a standard vacuum hose skips, so a ‘clean’ system still starves distant registers. We reach these with drop-head camera attachments and agitation tools, then seal the plenum seams so the blower motor can actually move air.
- Aprilaire and Honeywell bypass humidifiers running November-March on hard DuPage water: The mineral-laden mist coats interior duct surfaces and supports biofilm growth that persists through humid summers - often mistaken for mold when it’s really scale plus debris. We remove the buildup and seal the humidifier collar to prevent recirculation.
- Freeze-thaw cycling in unconditioned crawl spaces and rim-joist chases: Opens mastic joints and flex-duct collars, pulling fiberglass insulation particles and soil into the airstream. Homeowners run HEPA purifiers and still see dust. We reseal the joints and replace contaminated flex runs.
- Disconnected boots and crushed branch runs in split-levels: The 6-inch flex or sheet-metal branches under floors get compressed by storage, rodent activity, or decades of settling. Camera inspection finds them; we rebuild and rebalance.
Pricing for Duct Repair & Sealing in Lombard, IL
| Service | Typical Range in Lombard | What Affects Cost |
|---|---|---|
| Duct sealing (mastic/mesh, full system) | $340-$620 | Number of joints, plenum accessibility, pressure-test verification |
| Flex duct repair/replacement (per run) | $180-$420 | Length, diameter, attic vs. crawl-space access |
| Metal duct repair (boots, trunk sections) | $260-$780 | Extent of corrosion, need for custom fabrication |
| Duct insulation (full system) | $420-$890 | Linear footage, R-value, basement vs. crawl space |
| Plenum rebuild/seal (gravity conversion) | $480-$950 | Size of chamber, number of boots, debris removal |
Every price is written and agreed before work starts - Haven Standard Clause 1. No per-vent pricing. No add-ons after the truck arrives. We photograph what we find, explain what needs to happen, and you sign the scope before we touch a panel. Call (224) 351-9772 for your free written estimate.
We Also Serve Cities Near Lombard

Our crews work the western suburbs daily. If you’re in Lombard or nearby Glendale Heights, Elk Grove Village, Schaumburg, or Hoffman Estates, scheduling runs through the same Chicago office with the same written-price, photo-record standard.
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

Yes. We use drop-head camera attachments and rotary agitation tools to reach the compacted debris in those floor-level boots that standard vacuum hoses miss. The plenum itself is then sealed at every seam with mastic and mesh so the blower motor can pressurize the entire chamber instead of leaking into the basement. Call (224) 351-9772 and we’ll show you what’s inside yours.
The cleaning probably didn’t address the source. In Lombard, we frequently find disconnected boots pulling fiberglass from rim joists, humidifier collars leaking mineral scale, or plenum seams that were never sealed and now act as debris reservoirs. A vacuum removes loose material; sealing stops the cycle. We diagnose the actual entry point with camera inspection, document it with photos, and fix it.
Yes. DuPage County’s hard water leaves mineral scale on duct interiors that traps dust and supports biofilm growth through humid summers. The scale looks like mold but isn’t - it’s calcium and magnesium deposits from continuous November-March humidifier operation. We remove the buildup and can recommend a humidifier maintenance schedule or water-panel upgrade to slow recurrence.
Usually repair if the liner is intact and only collars or insulation are compromised. Full replacement becomes necessary when the inner liner degrades, which we verify with camera inspection. In Lombard’s 1980s-1990s subdivisions, we find liner deterioration in attic runs more often than crawl-space runs due to temperature extremes. We photograph the condition and quote accordingly - no blanket recommendations.
We start with camera inspection of every run, including the octopus plenum and floor boots. Then we remove or agitate compacted debris, rebuild any crushed or disconnected sections in sheet metal or flex, seal all joints with mastic and mesh to NADCA standards, pressure-test for verification, and rebalance supply and return airflow. You receive before-and-after photos of every duct run and a written 365-Day Done Right Promise. Most Lombard ranches and split-levels take four to six hours.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Northbrook, serving Lombard since 2013.




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