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.
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Before
AfterDryer Vent Inspection in Northbrook, IL
A dryer vent inspection in Northbrook costs $79-$149 as a standalone service and takes one to two hours depending on vent length and configuration. The inspection produces a written condition report and a documented photo record of the vent interior - before anything is cleaned or repaired - so you know exactly what was found before you agree to anything else.
Most homeowners in Northbrook call us for Dryer Vent Cleaning services after their dryer starts taking two cycles to dry a load, or after a home inspector flags a vent obstruction during a sale. A smaller number call because they simply haven’t had their vent looked at in years and want to know its condition. All three are good reasons. Lint accumulation in dryer vents causes roughly 15,000 house fires in the United States every year, and Northbrook’s older housing stock - particularly the brick colonials and split-levels in the Winchendon and Country Club Estates neighborhoods - tends to have longer, more complex vent runs with multiple elbows that accumulate debris faster than a straight shot to the exterior wall.
Our Dryer Vent Cleaning in Northbrook service starts with this inspection. If you’re not sure whether you need a full cleaning or just want a baseline reading on your vent’s condition, the inspection alone gives you a written scope and photo record you can act on at your own pace. Call (224) 351-9772 - a live person picks up every time - and we’ll put a written price in front of you before we schedule anything.
When You Need a Dryer Vent Inspection
- Drying cycles are running longer than usual. If a normal load that used to finish in 45 minutes now takes 75 or needs a second cycle, restricted airflow through the vent is the most likely cause. In Northbrook homes with runs that exit through the roof rather than a side wall - a common configuration in the Tower Road corridor - lint can compact at each elbow and cut airflow significantly without any visible sign from the laundry room.
- The exterior vent flap doesn’t open fully during a cycle. A healthy dryer vent produces enough exhaust pressure to push the exterior damper fully open. If you can see the flap from outside and it’s barely moving, or not moving at all, there’s a blockage somewhere in the run. This check takes about ten seconds and is worth doing before you call anyone.
- You notice a burning or musty smell near the dryer. A burning smell usually means lint is close enough to the heating element to scorch. A musty smell points to moisture trapped in the duct - common in Northbrook during the spring thaw when condensation collects in long runs that exit through unconditioned attic space. Neither smell clears up on its own.
- It’s been more than two years since the last inspection. NFPA 211 and most appliance manufacturers recommend annual inspection for households with gas dryers and at least every two years for electric. Northbrook’s building code does not specify a mandatory residential inspection interval, but the Illinois State Fire Marshal’s office references the NFPA standard in its guidance documents.
- You’re buying or selling a home in Northbrook. Home inspectors in Cook County flag dryer vent condition regularly on disclosure forms. Having a current inspection report and photo record on file shortens the negotiation and gives buyers concrete documentation rather than a general “needs cleaning” note.
- A bird or animal nested near the exterior termination. Northbrook’s mature tree canopy and open yards make it hospitable to starlings and house sparrows, both of which nest inside unguarded dryer vent terminations. A camera inspection confirms whether the nest material extended into the duct body and how far debris traveled toward the appliance.
Our Dryer Vent Inspection Process
- Written price before any work starts. Under Haven Standard Clause 1, you receive a written price for the inspection before we open a panel or attach a camera. The price reflects your vent configuration as described when you booked - number of stories, exit point, estimated run length. If we arrive and find a materially different layout, we tell you before proceeding and put any adjusted number in writing. “Call for a quote” is not a phrase we use.
- Exterior termination check. The technician photographs and physically tests the exterior vent cap or wall cap - confirming damper operation, screening condition, and whether the cap style matches the vent diameter. Many Northbrook homes still have louvered caps installed in the 1980s and 1990s that trap lint at the throat. We document what’s there before touching it.
- Visual duct routing trace. We follow the vent run from the dryer connection point to the exterior termination, noting every elbow, the total linear footage, and the transition material where the dryer connects to the rigid duct. Flexible foil or plastic accordion transitions - still present in a number of Northbrook homes from the 1990s and early 2000s - are a known fire risk and get flagged in the written report with the specific section of NFPA 211 that addresses them.
- Camera inspection of the duct interior. We insert a rigid inspection camera into the duct run and photograph the interior at the connection point, at each elbow, at any seam, and at the exterior termination. Every photo is timestamped and included in your job record. The camera shows lint accumulation depth, debris type, joint separation, and any signs of moisture damage or crushing. In the Country Club Estates area, we regularly find the first elbow packed within 18 inches of the dryer connection because of short horizontal runs that turn sharply before entering the wall cavity.
- Airflow reading at the termination. Using a calibrated anemometer, we record the exhaust velocity at the exterior cap with the dryer running on a heat cycle. ACCA and NFPA reference minimum acceptable velocities; we put the actual reading in your report next to the reference value so the comparison is visible. A reading below 250 feet per minute at the termination on a residential unit typically indicates a partial blockage or excessive run length relative to the duct diameter.
- Written condition report and photo delivery. Before the technician leaves, you receive a written condition report documenting every finding, every photo, and a plain-language summary of what, if anything, requires action. If cleaning or repair is warranted, the report includes a written price for that work. You’re not asked to decide on the spot. The report is yours to keep, compare against another opinion, or share with your home warranty provider.
BeforeAfterDryer Vent Inspection Pricing in Northbrook
Dryer vent inspection in Northbrook runs $79-$149 for most single-family homes. The range reflects real variables, not negotiating room. Here’s what moves the number:
| Variable | Typical impact on price |
|---|---|
| Standard single-story run, side-wall exit (under 10 ft) | $79-$99 |
| Two-story run or roof exit (10-25 ft, 1-3 elbows) | $99-$129 |
| Extended run, attic routing, or 4+ elbows | $129-$149 |
| Add: Camera inspection of inaccessible section (confined crawl space or finished ceiling) | $25-$40 additional |
| Add: Written report for real estate transaction or insurance documentation | Included at no additional charge |
If the inspection confirms your vent needs Vent Cleaning, the inspection fee applies toward the cleaning price on the same visit. You don’t pay for both separately when we do both in one trip. If you already have a written estimate from another company, we’ll put our number next to it in writing at no cost - that’s the Free Second Opinion we offer on every written estimate, and it applies to inspection quotes as well as cleaning quotes.
The written price arrives before any equipment comes off the truck. That’s not a policy subject to exceptions - it’s Haven Standard Clause 1, applied on every job since 2013.
FAQs – Dryer Vent Inspection
How long does a dryer vent inspection take in Northbrook?
A dryer vent inspection in Northbrook takes 60 to 90 minutes for a typical single-family home with a straightforward vent run. Longer runs with multiple elbows, roof exits, or routing through finished spaces can extend that to two hours. We book a firm time window and stick to it. If the configuration turns out to be simpler than described when you booked, we finish early and the written price doesn’t change upward to fill the time.
Is a dryer vent inspection the same as dryer vent cleaning?
No. An inspection documents the condition of the vent - what’s inside it, how the duct is routed, what the airflow reading measures - and produces a written report with photos. Cleaning physically removes the lint and debris the inspection identified. We separate them because a homeowner who had a cleaning done six months ago may only need confirmation that the vent is still clear, not a full cleaning service. If the inspection finds the vent is clean and flowing properly, we say so in writing and the job ends there. Full Dryer Vent Cleaning in Northbrook is the logical next step when the camera shows material accumulation.
Can a dryer vent inspection be done if the dryer is currently working fine?
Yes, and that’s actually the better time to do it. Lint accumulation is gradual, and by the time a dryer shows obvious symptoms - longer cycles, overheating, burning smell - the vent is usually significantly restricted. An inspection on a normally functioning dryer gives you a baseline measurement and photo record to compare against at the next inspection interval. In Northbrook homes with roof-exit configurations, we frequently find 30-40% airflow reduction on vents that haven’t shown any performance symptoms yet. The camera shows it; the dryer doesn’t tell you until it’s worse.
What happens if the inspection finds a problem?
Every finding is documented in the written condition report with the corresponding photo. If the issue is a lint build-up, the report includes a written price for a same-visit cleaning. If the issue is a structural problem - crushed duct, separated joint, improper transition material - the report describes the finding, references the relevant NFPA or local code standard, and includes a written price for the repair work. You decide what to authorize, in writing, before we do anything. No finding results in an automatic work order. Call (224) 351-9772 to schedule an inspection and get a written price before we arrive.
What the Documented Photo Record Means for You
Every dryer vent inspection CleanRun performs in Northbrook produces a photo record of the duct interior – timestamped, labeled by location in the run, and delivered to you as part of the standard job record. This is not a marketing add-on. It’s a practice we’ve held since our first job in 2013, because a photo of a 3-inch lint deposit at the first elbow communicates more than any written description of “significant accumulation.”
The photo record also has practical value beyond the service itself. Real estate attorneys in the Northbrook area increasingly request vent inspection documentation during disclosure review. Home warranty administrators often require photographic evidence of pre-existing condition before approving a repair claim. Having a current, dated photo record on file from a documented inspection gives you something concrete to reference – not just a memory of the last time you had someone look at it.
Our technicians use professional-grade inspection cameras suited for residential ductwork – not a phone camera on a selfie stick. Where vent runs pass through unconditioned attic space or behind finished drywall, we use equipment from our Abatement Technologies toolkit to reach sections that a basic probe camera can’t access. The goal is a complete record, not a partial one.
Why Northbrook Homes Have Specific Dryer Vent Concerns
Northbrook’s housing stock spans about seven decades of construction, and dryer vent design has changed considerably in that time. Homes built before 1985 often have vents that exit through the floor joists into a crawl space or basement before turning toward an exterior wall – a routing that creates additional elbows, additional lint traps, and often uses galvanized metal that has corroded at the joints over 40 years. The Shermer Heights and St. Norbert neighborhoods have a concentration of these older configurations.
Homes built in the 1990s and early 2000s – particularly the larger colonials in the Meadowbrook and Thorngate developments – frequently used flexible foil accordion duct for the transition between the dryer and the rigid metal run. That material is no longer approved under current NFPA 211 for permanent installation. It collapses, traps lint in its ridges, and restricts airflow measurably compared to smooth-wall rigid duct. If your home was built in that window and the transition hasn’t been replaced, the inspection will document it.
Northbrook also sits in a climate zone where the temperature swing between January lows and May humidity creates condensation inside long dryer vent runs – particularly those that pass through unconditioned attic space before exiting through the roof. Moisture combines with lint to form a denser, harder deposit that a simple shop-vac cleaning doesn’t remove. Our inspection identifies where moisture has collected and whether the run’s slope and insulation are sufficient to drain condensate toward the exterior rather than pooling at an elbow.
These aren’t hypothetical concerns. They’re what the camera actually shows in Northbrook homes, job after job, across neighborhoods that look very different on the outside but share the same duct configurations underneath.
How Dryer Vent Inspection Fits Into a Broader Home Maintenance Record
CleanRun serves as the home air quality and duct maintenance record for homeowners who want documentation they can actually use. An inspection report from a dryer vent visit sits alongside an air duct cleaning photo record, a duct sealing scope, or an HVAC cleaning job record – all dated, all written, all available if you need them for a sale, an insurance claim, or simply the next contractor who asks what’s been done.
Tomas Reyes built CleanRun around that documentation model from the start. A homeowner who has a written record of every duct service on their property is in a different position than one who can only say “I think someone cleaned it a few years ago.” The inspection is where that record starts.
If you’ve already had a cleaning done and want to confirm the vent has stayed clear, or if you’ve never had one done and want to know what you’re working with, call (224) 351-9772. A live person answers every call. You’ll have a written price before anything is scheduled, and a photo record in hand before the technician leaves your Northbrook home.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Northbrook, serving Northbrook.