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 Glenview
Duct repair and sealing in Glenview typically costs $280-$650 for most residential jobs, with flex duct repairs running $180-$340 per run and full metal trunk-line sealing reaching $450-$850 depending on system size. We’re usually on-site within two business days of your call, and every job starts with a written price before any panel comes off. Our crews serve Glenview from our Chicago dispatch office, and we know the difference between a 1965 ranch off Waukegan Road and a 2002 build in The Glen because we’ve documented both. Call (708) 683-3974 for a free estimate.
Why CleanRun Air Duct Cleaning Chicago Is Glenview’s Preferred Duct Repair & Sealing Company
We’ve been serving Glenview since 2013 with one rule that hasn’t changed: written price first, documented photo record last. Every duct run gets photographed before and after, and every customer receives that record as a standard deliverable. Our Duct Repair & Sealing team has handled over 52,000 homes, and the Glenview jobs stand out for one reason - the sheer variety of system ages and configurations packed into a single zip code.
Glenview customers find us the same way most do: they bring a competitor’s coupon quote, we put our written number next to it through our Free Second Opinion program, and they compare what each proposal actually includes. The 365-Day Done Right Promise backs every job in writing, not as a policy subject to manager approval. Haven Standard Clause 1 requires that written price before work starts - no exceptions, no “call for pricing.”
Our technicians are background-checked, uniformed, and identified by name before arrival under Haven Standard Clause 3: Verified Crews. When we dispatch to Glenview, we’re carrying Rotobrush inspection cameras and Nikro negative-pressure extraction equipment - brands you can look up before you agree to anything.
Our Duct Repair & Sealing Services in Glenview

Duct Sealing
Sealing is often the real fix hiding behind a cleaning request. In Glenview’s established neighborhoods, we regularly open plenums - the main distribution box connected to your furnace - and find branch takeoffs leaking 15-20% of conditioned air into the basement before it ever reaches a register. Mastic sealant, a thick paste that hardens to a permanent flexible coating, is our standard for metal joints; foil tape reinforces seams on flex connections. A typical duct sealing job in Glenview runs $320-$580 for a ranch or split-level with a basement furnace, and the written scope specifies every joint we intend to seal before we start.

Flex Duct Repair
The Glen’s late-1990s and early-2000s flex-duct systems are entering their first major repair cycle. Flexible ductwork, the ribbed plastic-sleeve tubing common in newer construction, sags when its support straps fail and separates at connection collars in tight mechanical spaces. Last month we replaced a 25-foot sagging flex run in a The Glen colonial where the duct had been resting on attic insulation for years, compressing to half its diameter and cutting airflow to a second-floor bedroom. Flex duct repair in Glenview typically runs $180-$340 per run, including new support straps and a sealed collar connection.

Metal Duct Repair
Original galvanized sheet-metal trunk-and-branch systems in Glenview’s 1950s-1970s homes don’t fail dramatically - they fail slowly, through rust at seams, separated takeoffs, and crushed runs from decades of storage contact in unfinished basements. Our camera inspection finds these because the homeowner usually can’t see them: a branch line disconnected behind a finished wall, a trunk line with a 4-inch gap spilling heated air into a crawlspace. Metal duct repair in Glenview ranges from $280-$520 for localized seam repair and reconnection to $650-$950 for partial trunk-line replacement with new galvanized sections.

Duct Insulation
Uninsulated or degraded duct insulation in Glenview’s unconditioned basements and crawlspaces wastes energy every heating season - and northern Cook County delivers over 6,000 heating degree days annually, meaning your system runs hard from October through April. We install foil-faced fiberglass insulation on repaired metal runs and replacement flex duct with pre-insulated sleeves. Duct insulation in Glenview typically adds $140-$280 to a sealing job, and we specify R-value and coverage area in the written scope.

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.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Glenview
We carry Honeywell and Aprilaire components for humidifier replacement and bypass removal - common needs in Glenview’s older ranch homes where original units are still plumbed into supply trunks. Our repair vans stock Nikro negative-pressure extraction equipment and Rotobrush inspection cameras for same-day diagnosis. Parts for flex-duct collar repairs and galvanized sheet-metal fittings are inventoried for Glenview calls specifically, so we’re not ordering while your basement sits open. Every brand we name is one you can research independently before we arrive.
Common Duct Repair & Sealing Problems We See in Glenview Homes

- Separated branch takeoffs in original metal systems. In 1960s and 1970s Glenview ranches off Greenwood Road and Waukegan Road, the galvanized takeoffs connecting trunk lines to branch ducts work loose from thermal cycling over 50+ years. Our camera finds the gap; mastic and mechanical fasteners close it permanently.
- Bypass humidifier contamination. Those drum-style and bypass humidifiers plumbed directly into main supply trunks in older Glenview homes accumulate mineral scale and standing moisture. We flag them during pre-cleaning inspection because running a brush through a duct connected to a contaminated humidifier just spreads the problem.
- Sagging flex duct in The Glen. The planned-community homes built 1998-2008 used flex duct in tighter attic spaces than their ranch predecessors. Support strap failure lets the duct rest on insulation, compressing airflow and creating leaks at collar connections.
- Crushed runs from basement storage. Glenview’s split-levels and ranches often have exposed basement ductwork that doubles as shelving support. A 6-inch branch line flattened to 2 inches doesn’t move air - it moves noise and dust.
Pricing for Duct Repair & Sealing in Glenview, IL
Here’s what duct repair and sealing actually costs in Glenview’s market, based on jobs we’ve written prices for:
| Service | Typical Range |
|---|---|
| Flex duct repair (per run) | $180 - $340 |
| Metal duct seam sealing (mastic, partial system) | $280 - $450 |
| Metal trunk-line reconnection/repair | $380 - $650 |
| Full system duct sealing (ranch/split-level) | $450 - $850 |
| Duct insulation (add-on) | $140 - $280 |
| Humidifier bypass removal/capping | $160 - $280 |
What moves a job toward the higher end: multiple disconnected runs, access limited by finished ceilings, or the need to remove and replace degraded insulation before sealing can begin. Every estimate is free, every price is written before work starts under Haven Standard Clause 1, and every job includes the Documented Photo Record. Call (708) 683-3974 for your specific number.
We Also Serve Cities Near Glenview

Our crews work Glenview regularly and also handle duct repair and sealing calls in Northbrook, Des Plaines, Skokie, and Mount Prospect. The same written-price-first protocol and documented photo record apply in every service area.
Serving Glenview, IL - Our Local Coverage Area
We’re based in the Glenview 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 Glenview

The fastest way to tell is a camera inspection of the plenum and first few feet of each branch. In Glenview’s 1950s-1970s neighborhoods, we typically find separated takeoffs, rust at seams, or crushed runs in the original galvanized trunk-and-branch system; in The Glen’s flex-duct homes, we find sagging runs and collar separations. Our Rotobrush inspection camera shows you the difference on-site, and we include those images in your written job record. Call (708) 683-3974 to schedule - estimates are free.
Yes, and we’ll show you why before you decide. A disconnected branch line in a Glenview basement trunk system will pull cleaning debris and agitated dust directly into your furnace blower or spill it into the unfinished space - neither outcome is useful. Our written scope separates repair and cleaning into line items so you see exactly what each costs before choosing. The 365-Day Done Right Promise covers the combined work as one accountable job.
Remove or cap it before any duct cleaning begins. Those bypass and drum-style humidifiers, common in Glenview’s mid-century ranches, accumulate mineral scale and biological growth that contaminates connected duct runs. During our pre-cleaning inspection, we photograph the humidifier condition and include capping or removal as a separate line item in your written price. The cost typically runs $160-$280 depending on plumbing complexity.
Three factors specific to Glenview: the 6,000+ annual heating degree days that keep forced-air systems running nearly year-round; the mature tree canopy that drives heavy spring pollen through return-air grilles; and the age of much of the housing stock, where original duct systems have never been sealed and pull attic or crawlspace air through gaps. Northbrook and Wilmette share some of these conditions, but Glenview’s sharp housing-stock split between 1960s metal and 2000s flex creates more varied failure modes in a smaller geographic area. Our camera inspections are designed to identify which combination is affecting your specific home.
Most residential jobs run 3-5 hours for a ranch or split-level with basement access, and 4-6 hours for The Glen homes requiring attic work on multiple flex runs. We schedule morning or afternoon arrival windows and confirm technician name and ETA the day before. The written scope includes estimated duration so you’re not guessing. Call (708) 683-3974 to book - we’ll have a technician named and confirmed before we arrive at your Glenview home.
Ready to Get Your Glenview Duct System Documented and Sealed?
Every duct repair and sealing job we run in Glenview starts the same way: a free estimate with a written price, a camera inspection showing you what we found, and a Documented Photo Record delivered when we leave. No per-vent pricing. No coupon that triples once the van is in your driveway. Just the actual cost to seal your metal trunk line, repair your flex runs, or cap that original humidifier - in writing, before a single panel comes off. Call (708) 683-3974 today. Our Chicago dispatch office coordinates scheduling for Glenview, and a live person answers every call.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Glenview since 2013.




Before
After
Before
After