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 Hoffman Estates
Duct repair and sealing in Hoffman Estates typically runs $280-$650 for most homes, with full-system sealing on older properties reaching $800-$1,400 when original fiberglass duct board needs replacement. We dispatch crews to Hoffman Estates from our Chicago office, and most jobs are scheduled within 3-5 business days. Call (224) 385-0904 for a written estimate before any work begins.
We’ve worked in Hoffman Estates long enough to know what the camera finds before we ever unscrew a panel. The village’s 1960s-1980s planned subdivisions built with fibrous glass duct board are now delaminating at 40-60 years old, shedding fibrous particulate year-round because northwest Cook County runs heat and central air hard - a rate rarely seen in newer suburbs like South Barrington or Streamwood. That means cleaning alone often misses the real problem. The liner itself is failing.
Our Duct Repair & Sealing team treats every Hoffman Estates job as a documentation project first. We photograph every duct run before and after, deliver a written scope with line-item pricing under Haven Standard Clause 1, and back the work with our 365-Day Done Right Promise in writing. No exceptions.
Why CleanRun Air Duct Cleaning Schaumburg Is Hoffman Estates’s Preferred Duct Repair & Sealing Company
CleanRun has served Hoffman Estates since 2013, completing jobs in neighborhoods from Highland Woods to Hilldale and along Higgins Road corridor properties. Every one of those 52,000+ homes received a written price before work started and a documented photo record when the crew left. In Hoffman Estates specifically, we regularly encounter homeowners who hired a coupon cleaner first, then called us when the registers kept spitting debris. The photo record usually tells the story: the vacuum touched the main trunk but never addressed the delaminating duct board behind it.
Our technicians are background-checked, uniformed, and identified by name before arrival - Haven Standard Clause 3: Verified Crews. Scheduling and dispatch for Hoffman Estates are coordinated from our Chicago office, with crews carrying professional-grade equipment including Rotobrush agitation systems and Nikro HEPA filtration units. All calls are answered by a live person, 24/7.
We publish our license number on every page, not buried in a footer. We’re independently owned and operated under the Haven Standard, not a franchise network. And we offer a Free Second Opinion on any written estimate - bring a competitor’s quote; we put our number next to it in writing.
Our Duct Repair & Sealing Services in Hoffman Estates

Duct Sealing
Most Hoffman Estates homes lose 20-30% of conditioned air through leaks at joints, connections, and failed seams. We seal accessible ductwork with mastic sealant, a water-based compound that remains flexible and won’t crack like foil tape. In Hoffman Estates’s original fiberglass duct board systems, sealing is often the only way to stop the liner from shedding particulate into living spaces - the mastic bonds to the remaining intact surface and encapsulates fraying edges. A typical sealing job for a 1,500-square-foot Hoffman Estates ranch runs $280-$450.

Flex Duct Repair
Flex duct, the insulated flexible tubing common in basement connections and attic runs, collapses, crushes, or disconnects entirely - especially in low Hoffman Estates basements where humidity and occasional pest activity accelerate deterioration. We replace failed flex sections with new insulated flex or rigid metal where accessibility allows, reconnecting with mechanical fasteners and sealing with mastic. Flex duct repair in Hoffman Estates typically costs $180-$340 per run, depending on length and access.

Metal Duct Repair
Where Hoffman Estates homes have galvanized steel supply trunks - common in higher-end 1970s colonials near Hilldale - we repair separated seams, patch corrosion holes, and reinforce sagging sections. Metal duct doesn’t delaminate like fiberglass duct board, but it rusts at condensation points and rattles loose at joints after decades of thermal cycling. Metal repair runs $220-$480 per section in Hoffman Estates, with full trunk replacement reaching $600-$900 when corrosion is extensive.

Duct Insulation
Uninsulated or degraded duct insulation in Hoffman Estates basements and crawl spaces wastes energy and creates condensation problems. We install new fiberglass insulation with vapor barrier, or closed-cell foam where space is tight, to maintain supply air temperature and prevent summer condensation that leads to mold. Duct insulation in Hoffman Estates averages $350-$650 for a typical split-level basement system.

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.
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AfterTrusted Brands We Service in Hoffman Estates
CleanRun stocks parts and uses equipment from Abatement Technologies, Guardsman, and Rotobrush - brands recognized across the HVAC trade for professional-grade performance. We don’t show up with hardware-store tools. Our Nikro negative-pressure extraction systems and Rotobrush agitation tools are specified by manufacturers for duct restoration work, and we carry mastic sealant and flex duct inventory sized for the 6-inch and 8-inch connections standard in Hoffman Estates’s 1970s-1980s construction. That means faster turnaround: most repairs don’t require a second trip for materials.
Common Duct Repair & Sealing Problems We See in Hoffman Estates Homes

- Delaminating fiberglass duct board. The interior surface of original 1960s-1980s duct board breaks down, releasing glass fibers into airflow. Camera inspection shows a fuzzy, shedding liner - not just dust accumulation. Sealing with mastic is often the only way to stabilize it without full replacement.
- Unlined return-air chases. In 1970s split-levels throughout Highland Woods and similar subdivisions, return air is pulled through wall cavities framed with no sheet metal duct. Decades of insulation fibers, drywall dust, and pest debris feed straight into the air handler. We seal these chases and install proper duct lining where accessible.
- Disconnected or crushed flex runs. Low, unfinished basements common in Hoffman Estates expose flex duct to humidity, storage damage, and pest intrusion. We find flattened or fully separated runs leaking conditioned air into basement space rather than reaching second-floor registers.
- Condensation-related mold in duct board. Humid Hoffman Estates summers create moisture inside cooler supply ducts, especially where insulation has degraded. Mold colonization becomes a secondary repair concern after debris removal, requiring antimicrobial treatment and often insulation replacement.
Pricing for Duct Repair & Sealing in Hoffman Estates, IL
We publish actual ranges because Haven Standard Clause 1 requires a written price before any work starts. Here’s what duct repair and sealing costs in Hoffman Estates’s market:
| Service | Typical Range |
|---|---|
| Duct sealing with mastic (whole system) | $280-$450 |
| Flex duct repair / replacement (per run) | $180-$340 |
| Metal duct repair (per section) | $220-$480 |
| Full metal trunk replacement | $600-$900 |
| Duct insulation (basement system) | $350-$650 |
| Camera inspection with photo record | $95-$145 |
Costs run higher in Hoffman Estates than in newer suburbs for one reason: the original duct materials are failing, not just dirty. Delaminating duct board requires more labor than cleaning intact metal ductwork. Homes near Higgins Road with larger square footage, or split-levels with multiple zones, scale toward the upper end. We deliver one flat price per system, agreed in writing before any panel comes off. No per-vent pricing. No add-ons after arrival. Call (224) 385-0904 for a free estimate - we’ll put our number in writing.
We Also Serve Cities Near Hoffman Estates

Our crews work throughout northwest Cook County, including Hoffman Estates, Schaumburg, Palatine, Elk Grove Village, and Arlington Heights. Scheduling is coordinated from our Chicago office, with local dispatch to all five communities.
Serving Hoffman Estates, IL - Our Local Coverage Area
We’re based in the Hoffman Estates 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 Hoffman Estates

Hoffman Estates was built almost entirely during the 1960s-1980s planned-subdivision boom, leaving a dense concentration of homes with original fiberglass duct board interiors that are now 40-60 years old and actively delaminating. Because Cook County northwest-suburb homes run both heat and central air hard for months at a time, these deteriorating liners shed material year-round at a rate rarely seen in newer-construction suburbs like adjacent South Barrington or Streamwood. The fix is usually sealing or replacement, not just cleaning. Call (224) 385-0904 for a camera inspection and written estimate.
On a 1970s split-level in the Highland Woods subdivision, our crew performed a camera inspection and found the return-air chase framed directly into the interior wall cavity with no sheet metal lining, and supply runs built from original fiberglass duct board that was actively delaminating. We used agitation tools and HEPA filtration under negative pressure to source-remove the accumulated insulation fibers and drywall dust, then sealed the chase and all accessible joints with mastic sealant and replaced failed flex connections, restoring proper airflow at the registers. The photo record showed the homeowner exactly what was wrong and what changed. Call (224) 385-0904 to schedule your own documented inspection.
We treat visible mold with an EPA-registered antimicrobial applied after debris removal, then seal the affected duct board with mastic to encapsulate any remaining spores and prevent regrowth. If the duct board is too degraded to hold sealant, we recommend section replacement - we’ll document this with photos and include it as a line item in the written estimate, not as a surprise add-on. Condensation control through proper insulation is the long-term fix. Call (224) 385-0904 for an assessment.
Yes. Most Hoffman Estates homes need targeted sealing at joints, connections, and degraded duct board surfaces - not full replacement. We seal accessible leaks with mastic sealant, replace failed flex sections, and stabilize delaminating duct board where the structure is still sound. Full replacement is only necessary when duct board has lost structural integrity or metal trunks are corroded through. We photograph everything and show you before proposing any work. Call (224) 385-0904 for a written scope and price.
For Hoffman Estates’s 1960s-1980s housing stock, we recommend duct cleaning every 3-5 years and sealing inspection every 2-3 years, or sooner if you notice debris at registers, uneven heating, or musty odors when the system runs. The age of the original duct materials means deterioration accelerates faster than in newer homes - proactive sealing prevents the liner failures that eventually require expensive replacement. Call (224) 385-0904 to set up a maintenance schedule with documented photo records.
Ready to see what’s actually inside your ductwork? Call (224) 385-0904 to schedule a free estimate. We’ll deliver a written price before any work starts, photograph every duct run before and after, and back the job with our 365-Day Done Right Promise in writing. Haven Standard Clause 1: No surprises. No exceptions.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Hoffman Estates since 2013.




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