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 Skokie
Duct repair and sealing in Skokie typically runs $280-$620 for a whole-house system, with most jobs scheduled within a week and completed in a single visit. Our crews serve Skokie from our Chicago office, carrying mastic sealant, metal patch stock, and flex duct in standard sizes so we’re not making return trips for materials. If your floor registers puff dust when the heat kicks on, or your basement trunks feel damp through July, that’s the exact failure pattern we see in Skokie’s postwar ranches from Lincolnwood east to Old Orchard. Call (224) 344-8881 and we’ll put a written price in front of you before any panel comes off.
Why CleanRun Air Duct Cleaning Elk Grove Village Is Skokie’s Preferred Duct Repair & Sealing Company
We’ve been documenting the inside of Skokie ductwork since 2013, and the photo record we’ve built tells a consistent story: original 1950s galvanized sheet metal, boot collars that were never sealed, and moisture loading that inland suburbs simply don’t match. Our Duct Repair & Sealing team has served over 52,000 homes under the H.A.V.E.N. Standard, every one with a written price before work started and a documented photo record when the crew left.
Skokie homeowners aren’t looking for a coupon. They’re looking for someone who can show them what was actually found, explain what it’ll cost to fix, and guarantee the work in writing. That’s Haven Standard Clause 1: Written Price Before Any Work Starts. No exceptions. Tomas Reyes built CleanRun on that premise, and it’s why we still publish our license number on every page, not buried in a footer.
Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. The equipment on every truck includes Rotobrush agitation systems, Nikro negative-pressure extractors, and Guardsman sealants, all names you can look up independently before you agree to anything.
Our Duct Repair & Sealing Services in Skokie

Duct Sealing with Mastic Sealant
Skokie’s 1948-1965 ranch homes present a specific sealing challenge: the original floor-register boot collars were installed without mastic, and six decades of thermal cycling have opened gaps that pull basement air directly into the supply stream. In a 1955 brick ranch off Niles Center Road, our tech dropped a camera inspection down the main trunk and found original galvanized sheet metal feeding floor registers through unsealed boot collars, with fiberglass fragments and damp basement soil pulled right into the supply stream. We ran the Rotobrush under negative pressure with HEPA filtration at the air handler, then mastic-sealed every boot collar and open trunk joint - after that, the blower motor stopped short-cycling and the registers quit puffing dust on startup. Mastic sealant application in Skokie typically runs $340-$480 for a full system, including boot collars and accessible trunk joints.

Metal Duct Repair
The galvanized sheet-metal trunk lines in Skokie’s postwar housing weren’t built for forced-air pressure. When gravity (octopus) furnaces were converted in the 1970s, the existing plenums and trunk lines were adapted rather than replaced. Metal duct repair addresses the seams that have opened, the supports that have sagged, and the patches from decades of homeowner modifications. We cut out failed sections, fabricate replacements on-site, and seal with mastic rated for the pressure load. A typical metal repair in Skokie runs $180-$340 per section, depending on accessibility and whether the plenum itself needs reinforcement.

Air Leak Repair
Pressure testing with a duct blaster often reveals leakage rates of 25-40% in Skokie’s older systems, well above the 10-15% that modern code allows. Air leak repair targets the specific failure points: plenum seams, trunk-to-branch connections, and the register boots we find unsealed in nearly every 1950s ranch. We mark every leak, photograph it, seal it, and verify with a post-repair pressure test. The customer gets the before-and-after photos and the pressure numbers in writing. Air leak repair as a standalone service in Skokie typically costs $280-$420.

Duct Insulation
Skokie sits on Potawatomi-named marsh ground, and its historically high water table keeps basement supply trunks damp year-round - so duct sealing here has to be judged by whether joints stay dry, not just tight, because mastic over a sweating trunk line in a 1950s Skokie ranch fails differently than it does in better-drained inland suburbs. Duct insulation with a vapor barrier addresses the condensation that promotes mold growth between cleaning cycles. We use foil-faced insulation with sealed seams, not the compressed fiberglass wraps that trap moisture. Insulation work in Skokie typically runs $380-$620 for accessible basement trunks.

Flex Duct Repair
Later additions and attic conversions in Skokie sometimes used flex duct, which collapses, tears, or disconnects at the collar. We replace failed flex runs with properly supported lengths, sealed with mastic at both ends, and photograph the full run before we close the access. Flex duct repair in Skokie typically costs $140-$280 per run.

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.
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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 Skokie
Our trucks carry professional-grade equipment from Abatement Technologies, Honeywell, and Aprilaire - brands that publish specifications customers can verify independently. We stock Guardsman mastic sealant in multiple viscosities for different joint types, and we source metal patch stock in the gauges common to Skokie’s postwar systems. Having the right material on the truck means we don’t stretch a one-day job across two visits because we need to order a part. The Rotobrush and Nikro systems we use for pre-seal cleaning are the same units specified in commercial remediation protocols; they’re simply sized for residential access.
Common Duct Repair & Sealing Problems We See in Skokie Homes

- Original 1950s floor-register boot collars that were never mastic-sealed. Open joints that keep pulling basement soil and moisture vapor back into the supply stream even after a full cleaning. In Skokie’s ranches, this is nearly universal and typically requires boot sealing alongside the cleaning itself.
- Basement supply trunks sweating against Skokie’s high water table. Condensation promotes mold between cycles and can loosen or lift sealant that would hold fine in a drier suburb. We see this in homes from Dempster Street south to Old Orchard Road, where the water table sits close to basement slab level.
- Furnace-conversion leftovers - legacy trunk lines and plenums from gravity (octopus) systems adapted for forced air in the 1970s and never resealed. Pressure bleeds off through every open seam, so heating runs long all winter and utility bills climb. The homeowner feels “something’s wrong” but can’t locate the source.
- Longer shoulder-season drive times across town mean homeowners push the interval out past what a damp basement trunk can tolerate. Lint pathway buildup returns before the next visit, and the cycle of moisture, mold, and recontamination accelerates. For Skokie’s older ranches, we recommend a tighter cleaning-and-sealing interval than the national average suggests.
Pricing for Duct Repair & Sealing in Skokie, IL
| Service | Typical Range in Skokie |
|---|---|
| Mastic sealant (full system, boot collars + trunk joints) | $340-$480 |
| Metal duct repair (per section) | $180-$340 |
| Air leak repair with pressure testing | $280-$420 |
| Duct insulation with vapor barrier (basement trunks) | $380-$620 |
| Flex duct repair (per run) | $140-$280 |
| Combined cleaning + sealing package | $480-$760 |
These are whole-system prices, not per-vent teaser rates that balloon once the truck arrives. Every quote is written and delivered before work starts - Haven Standard Clause 1 - and includes the Documented Photo Record of every duct run, before and after. Factors that move Skokie jobs toward the higher end: multiple unsealed boot collars, legacy gravity-furnace plenums requiring reinforcement, and moisture damage that needs remediation before sealant will adhere. Call (224) 344-8881 for an exact quote; estimates are free.
We Also Serve Cities Near Skokie

Our crews work the full north suburban corridor, including Duct Repair & Sealing in Skokie and surrounding Glenview, Des Plaines, Northbrook, and Highland Park. Dispatch and scheduling are coordinated from our Chicago office; crews serve each city locally with the same equipment roster and the same written-price guarantee.
Serving Skokie, IL - Our Local Coverage Area
We’re based in the Skokie 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 Skokie

Every 2-3 years for Skokie’s 1948-1965 ranches with original ductwork, not the 5-7 year interval that works in drier, newer suburbs. The combination of unsealed boot collars, high water table moisture, and six months of continuous winter heating loads debris faster here. Call (224) 344-8881 for an exact quote - estimates are free.
Unsealed boot collars are pulling basement air - soil, fiberglass fragments, and whatever else sits in your crawl space or utility room - directly into the supply stream. In Skokie’s 1950s ranches, this is the most common failure we document. The fix is mastic sealing at every boot collar, which we photograph before and after so you can verify the work.
Cleaning without sealing is temporary in Skokie’s housing stock. The boot collars and trunk joints that pulled debris in before will pull it in again. We recommend sealing any system that shows unsealed boots or pressure-tested leakage above 15%. The 365-Day Done Right Promise covers both the cleaning and the sealant adhesion.
Yes, and it’s specific to Skokie’s marsh-ground water table. Mastic over a sweating trunk will eventually lose adhesion. We address this with vapor-barrier insulation on the trunk exterior, or in severe cases, dehumidification recommendations before sealant application. The photo record shows you exactly what we found and what we did about it.
We can seal accessible seams and joints, but legacy gravity-system plenums often need structural reinforcement before they’ll hold modern forced-air pressure. We photograph the condition, quote the reinforcement separately, and let you decide. The Free Second Opinion applies to any competitor’s quote on this work - bring it in writing and we’ll put our number next to it.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Skokie since 2013.




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