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 Arlington Heights
Duct repair and sealing in Arlington Heights typically costs $280-$650 for most single-system homes, with full duct sealing running $450-$950 depending on access and the condition of the original ductwork. Our crews are scheduled from our Chicago office and carry the extended flexible hose rigs needed for Arlington Heights’ characteristic split-level layouts. Call (224) 351-9772 for a written estimate before any work begins.
We’ve been working in Arlington Heights since 2013, and by now we know the village’s housing stock intimately. The dense concentration of 1960s and 1970s split-levels and raised ranches between Rand Road and Arlington Heights Road, the original galvanized trunk lines with interior fiberglass lining still in service, and the cold-air returns buried beneath lower-level floors or stair landings. These aren’t generic suburban homes with generic ductwork. They’re a specific local architecture with specific failure modes that require specific equipment and experience to address properly.
Why CleanRun Air Duct Cleaning Northbrook Is Arlington Heights’s Preferred Duct Repair & Sealing Company
Our reputation in Arlington Heights is built on documentation, not promises. Every job starts with a written price delivered before a single panel comes off, and every job ends with a Documented Photo Record showing the inside of every duct run before and after. The 365-Day Done Right Promise backs the work in writing, not as a policy subject to manager approval. Haven Standard Clause 1: Written Price Before Any Work Starts. Haven Standard Clause 3: Verified Crews. These aren’t marketing phrases. They’re operational rules our technicians follow on every Arlington Heights job.
Homeowners in neighborhoods from Scarsdale to Stonebridge to the homes near Pioneer Park have left reviews citing the photo records and the flat-rate honesty specifically. We don’t quote over the phone and then revise upward once we see the crawl space under your stair landing. We inspect, we photograph, we write the scope, and we name the price. Then you decide.
Response time to Arlington Heights is typically same-week scheduling, with dispatch coordinated from our Chicago office. Crews arrive in marked vehicles, uniformed, background-checked, and identified by name before arrival. The equipment on every truck includes Rotobrush agitation systems, Nikro negative-pressure extractors, and professional-grade sealants from trade-recognized manufacturers.
Local knowledge matters here because Arlington Heights ductwork is different. The post-war build-out that packed this northwest Cook County village with split-levels and raised ranches created a routing problem: ductwork had to navigate multiple half-levels through tight crawl spaces and utility corridors. That complexity means phone-quoted flat rates from national booking services routinely underestimate labor time. We don’t operate that way. Our Duct Repair & Sealing team inspects first, prices second, and never starts work without your written approval of the exact scope.
Our Duct Repair & Sealing Services in Arlington Heights

Duct Sealing
Air leakage from duct joints, seams, and connections wastes 20-30% of conditioned air in the typical Arlington Heights home with original ductwork. In split-levels where the return trunk runs through an unheated crawl space beneath the stair landing, that leakage pulls in soil gas, moisture, and dust from nearby unpaved roads along with outdoor air. We seal with mastic sealant and two-part compounds rated for the temperature cycling of Chicago-area heating seasons, then verify with pressure testing. A typical duct sealing job in Arlington Heights runs $450-$750 for a single system with standard access, and $750-$950 when crawl-space routing requires extended hose work or mid-job repositioning of the vacuum unit.

Flex Duct Repair
Flex duct connections in Arlington Heights colonials and two-story homes often fail where oversized runs from older furnace swaps create pressure imbalances. The blower motor pushes harder than the original design intended, and the flex connections at plenum takeoffs or register boots separate or collapse. We replace damaged flex runs with properly sized sections, secure with mechanical fasteners rather than tape alone, and seal with mastic rated for the application. Typical flex duct repair in Arlington Heights runs $180-$340 per run, with full replacement of multiple runs in a system running $380-$650.

Metal Duct Repair
The galvanized sheet-metal trunk lines in Arlington Heights’ 1960s and 1970s homes develop corrosion at joints, separation at seams from decades of thermal expansion, and physical damage from prior HVAC work or renovation. We repair with matching gauge metal, seal with mastic and reinforced mesh, and insulate where the repair passes through unconditioned spaces. Metal duct repair in Arlington Heights typically runs $280-$520 per section, with full trunk line replacement in split-levels with difficult access reaching $650-$1,100.

Duct Insulation
Arlington Heights’ January average lows in the mid-teens °F mean ductwork in unheated crawl spaces, attics, and garage chases loses significant thermal energy. We install foil-faced fiberglass or closed-cell insulation on repaired or sealed runs, with particular attention to the return trunks that so many local homes route through perimeter crawl spaces. Insulation work is typically scoped as part of sealing or repair jobs, with add-on insulation running $180-$380 for targeted application or $380-$650 for full system wrapping in accessible areas.

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 Arlington Heights
Our equipment roster includes Rotobrush and Nikro for agitation and extraction, Honeywell and Aprilaire for air quality components integrated with duct systems. We stock mastic sealants, mechanical fasteners, and flex duct in the common diameters for Arlington Heights’ vintage housing stock, which means most repairs don’t wait on parts orders. When a control component or integrated air cleaner from Honeywell or Aprilaire needs replacement, we source factory-specified parts rather than universal substitutes. The brands are named here so you can verify specifications independently before agreeing to any scope of work.
Common Duct Repair & Sealing Problems We See in Arlington Heights Homes

- Original fiberglass lining shedding into the airstream. The interior fiberglass duct lining in 1960s split-levels deteriorates after 50+ years of thermal cycling, releasing particles that appear as fine dust on surfaces and can aggravate respiratory conditions. Mastic sealant applied directly over degraded lining fails within a heating season because it adheres to loose material rather than sound metal.
- Return trunks drawing in crawl space contaminants. In many Arlington Heights split-levels, the cold-air return trunk runs beneath the lower level or through a crawl space under the stair landing. This routing pulls in soil gas, moisture, and outdoor dust from nearby unpaved roads, accelerating joint separation and promoting microbial growth inside the system.
- Pressure imbalances from furnace swaps without duct redesign. Two-story colonials in the Scarsdale and Stonebridge areas often have duct systems originally sized for older, lower-efficiency furnaces. When higher-output units are installed without recalculating distribution requirements, oversized or poorly sealed runs create pressure imbalances that blow out flex duct connections and defeat sealing efforts.
- Moisture infiltration from summer humidity. Arlington Heights July dew points regularly topping 65°F drive moisture into duct joints that aren’t well-sealed. Combined with the village’s year-round HVAC dependence, this creates conditions for microbial growth inside the system that simple cleaning won’t address without proper sealing and repair.
Pricing for Duct Repair & Sealing in Arlington Heights, IL
We publish ranges because Haven Standard Clause 1 requires a written price before any work starts, and that price has to be grounded in something real.
| Service | Typical Range in Arlington Heights |
|---|---|
| Duct sealing, single system (standard access) | $450-$750 |
| Duct sealing with crawl-space/extensive access | $750-$950 |
| Flex duct repair (per run) | $180-$340 |
| Multiple flex duct replacements | $380-$650 |
| Metal duct repair (per section) | $280-$520 |
| Full trunk line replacement (difficult access) | $650-$1,100 |
| Targeted duct insulation add-on | $180-$380 |
| Full system insulation wrapping | $380-$650 |
What moves a job within these ranges: access difficulty (crawl space vs. basement chase), the condition of existing liner material, whether prior repairs used proper materials or tape that has failed, and the extent of pressure testing and verification required. We inspect with a camera before quoting. The price you approve in writing is the price you pay. No per-vent add-ons, no equipment charges that appear after the truck arrives.
Free estimates. Free Second Opinion on any competitor’s written estimate. Call (224) 351-9772 to schedule.
We Also Serve Cities Near Arlington Heights

Our crews work throughout northwest Cook County, including Duct Repair & Sealing in Arlington Heights and surrounding communities: Palatine, Mount Prospect, Des Plaines, and Northbrook. Each area has its own housing stock patterns and duct routing conventions, and we adjust our approach accordingly. The split-level concentration is highest in Arlington Heights proper, which is why this page exists.
Serving Arlington Heights, IL - Our Local Coverage Area
We’re based in the Arlington Heights 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 Arlington Heights

Every 3-5 years for cleaning, with sealing inspected at the same interval and repaired as needed. The original fiberglass lining in 1960s-1970s Arlington Heights systems deteriorates faster than modern materials, and the crawl-space return routing common here accelerates particulate loading. Homes near unpaved roads or with wood heat sources may need cleaning at the shorter end of that interval. Call (224) 351-9772 and we’ll inspect with a camera to tell you where your specific system stands.
Because the split-level and raised-ranch layouts here hide ductwork in ways that aren’t visible or describable over the phone. The cold-air return trunk beneath the lower level or stair landing crawl space requires extended flexible hose rigs and often mid-job repositioning of the vacuum unit. National booking services quoting flat rates by vent count or square footage don’t account for this access time. We don’t quote by phone for Arlington Heights work. We inspect, photograph, and write the price before starting.
Not effectively without first addressing the lining. Mastic sealant applied over degraded fiberglass fails within a heating season because it bonds to loose particles rather than sound metal. Our process removes the deteriorated lining material under negative-pressure extraction, then seals the bare metal with mastic and two-part compounds. In a 1968 raised-ranch off Windsor Drive near Pioneer Park, we found exactly this condition: original galvanized trunk with interior lining shedding into supply and return ducts. Camera inspection located the damage, agitation tools removed the loose material under negative pressure, and we sealed the joints with mastic and two-part sealant. The homeowner reported less dust on surfaces within a week and a quieter system overall.
Uneven heating or cooling between the half-levels of a split-level, dust accumulation that returns quickly after cleaning, whistling or rattling from registers, or visible gaps at duct joints in accessible areas. In Arlington Heights specifically, soil gas odors or mustiness from return trunks in crawl spaces often indicate joint separation rather than simple dirt accumulation. If your system was cleaned within two years and these symptoms persist, the ducts likely need repair or sealing rather than another cleaning cycle. We offer free camera inspections to distinguish between the two.
Yes. Wood heat produces finer particulate that penetrates standard filters and deposits in duct runs. Unpaved roads near properties on the village’s periphery increase dust loading that gets drawn into return systems, particularly where crawl-space routing exists. Both conditions shorten the effective cleaning interval and accelerate seal degradation. For homes with either factor, we recommend inspection every 2-3 years rather than the standard 3-5, with particular attention to return trunk integrity. Call (224) 351-9772 to discuss your specific conditions and get a written estimate for inspection.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Arlington Heights since 2013.




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