Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Gelco Chimney Cleaning & Sweep in Hoffman Estates: What to Know First
We provide independent Gelco chimney cleaning and sweep services in Hoffman Estates, with most Level 2 inspections and cleanings scheduled within 3-5 business days during the September through March burning season. A standard Gelco flue cleaning runs $189-$289, and a full Level 2 camera inspection with written condition report is $289-$389. We are not affiliated with or authorized by Gelco; we are an independent Gelco service provider who sources parts through Haven’s buying network and documents every flue in writing before any work starts.
This page is for Hoffman Estates homeowners who installed a Gelco liner, cap, or damper between 2015 and 2023 and need annual NFPA 211 maintenance, suspect a draft or creosote problem, or want a second opinion on a replacement quote. Corrine Halstead and our background-checked, uniformed technicians serve homes throughout Hoffman Estates, including the Barrington Road corridor and neighborhoods near Hilldale Golf Club. Call (331) 200-4445 for a free estimate.
How Gelco Products Fail - and How We Fix Them
- Gelco Model S stainless steel liners and premature weld-seam corrosion. We see this most often in Hoffman Estates homes with direct-vent gas inserts where the flue was sized for wood but never converted properly. Condensation pools at the lower weld ring, and by year 6 or 7 the seam is weeping rust into the smoke chamber. Our fix: camera-scan to confirm the leak point, then a Gelco-compatible HeatShield cerfractory seal or partial reline depending on how far the corrosion has traveled up the flue.
- Gelco top-mount dampers with seized cast-aluminum frames. The Series 2000 and 3000 dampers use an aluminum alloy frame that binds after five or six seasons of freeze-thaw cycles. Hoffman Estates sees 30-35 freeze-thaw days per winter, and the thermal expansion eventually ovalizes the frame throat. We do not force the damper; we remove it, inspect the flue collar for galling, and install a Gelco OEM replacement or a DuraFlex equivalent with a stainless steel frame if the customer wants the upgrade.
- Gelco Pro-Form masonry relining sleeves and disbonding from spalling brick. The Pro-Form sleeve is a poured-in-place cerfractory liner that depends on clean, sound brick for adhesion. In Hoffman Estates, homes built 1975-1995 with soft Chicago common brick often have spalled interior faces that the original installer skimmed over. The sleeve detaches in sheets, creating a double-wall gap that traps moisture. We camera-map the voids, remove loose material, and either re-pour with HeatShield or sleeve with a DuraFlex stainless liner depending on the extent.
- Gelco chimney caps with clogged mesh spark arrestors. The standard Gelco cap uses a 5/8-inch mesh that traps cottonwood seed and maple samara in Hoffman Estates particularly hard; the village’s mature tree canopy along Sutton Road and Hassell Road corridors means caps need cleaning twice yearly, not once. We remove the cap, rotary-brush the mesh clear, and check the crown wash beneath. If the crown is cracked, we quote Gelco’s cast-in-place crown or a Famco stainless cap with a wider mesh pattern that still meets NFPA 211.
- Gelco direct-vent flex liners and sagging in tall chase enclosures. The corrugated aluminum flex used in some Gelco direct-vent kits softens above 140°F and sags in chase runs over 20 feet. We find this in Hoffman Estates townhomes with center chimneys, especially where the chase was framed with inadequate support. We camera the full run, measure the sag with a laser level, and replace with a DuraFlex AL29-4C flex rated to 210°F if the appliance is a high-efficiency gas unit, or spec a rigid Gelco stainless liner if the chase allows it.
Our Gelco Chimney Cleaning & Sweep Process

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Schedule and confirm. You call (331) 200-4445 and speak to a live person. We confirm your Gelco model if you know it, the appliance type, and any symptoms. You get a 2-hour arrival window and a text when your technician is en route.
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Level 2 camera inspection. We run a Chim-Scan or equivalent camera the full length of the flue before any brushing begins. This is Clause 4 of the Haven Standard: documented photo record on every job, running continuously since 2009. You see what we see on the monitor.
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Written scope and price. We deliver a written price, written scope, and written warranty before anyone starts work. Haven Standard Clause 1: have it in writing. No verbal estimates, no “we’ll see how it goes.” Camera first, price second, pen third - in that order every time.
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Cleaning and parts replacement. We rotary-brush to NFPA 211 standards, remove Class I, II, or III creosote, and replace any Gelco parts with OEM or quality aftermarket equivalents from our Haven buying network. We note the source on your invoice: Gelco, DuraFlex, HeatShield, Olympia Chimney, Famco, or Copperfield.
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Post-cleaning camera verification and documentation. We camera the flue again after cleaning, capture the after condition, and stamp your record with the 365-Day Done Right Promise. You get the photo set, the written condition report, and the warranty in hand before we leave.
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AfterWhat Gelco Chimney Cleaning & Sweep Costs in Hoffman Estates
| Service | Typical Range | What Moves the Price |
|---|---|---|
| Annual sweep, Gelco flue (Level 1) | $189-$249 | Flue length, creosote class, roof access |
| Level 2 inspection with camera scan | $289-$389 | Number of flues, chase height, documentation needed for insurance or sale |
| Gelco cap cleaning or mesh replacement | $89-$159 | Cap size, whether crown wash repair is included |
| Gelco damper repair or replacement | $289-$549 | OEM vs. stainless upgrade, flue collar condition |
| Partial reline, Gelco-compatible | $1,200-$2,400 | Linear feet, access (firebox vs. roof), HeatShield vs. stainless sleeve |
These are Hoffman Estates prices, not national averages. A two-story colonial on Bode Road with a straight 15-foot flue and Class I creosote lands at the low end. A townhome on Higgins Road with a 35-foot chase, Class III glazed creosote, and a seized Gelco damper lands higher. We do not start work until you have the written price in hand. Call (331) 200-4445 for an exact quote - estimates are free.
Why Hoffman Estates Homeowners Call Level Two Chimney Hoffman Estates for Gelco Work

We have inspected and cleaned more than 38,000 chimneys since 2009, and a significant share of them in the northwest suburbs have been Gelco-lined systems installed during the 2015-2020 replacement boom. Corrine Halstead and our technicians know the difference between a Gelco Model S weld seam and a DuraFlex corrugated joint without guessing, and we stock both lines through Haven’s buying network so we are not ordering parts while your fireplace sits cold.
Every job carries the 365-Day Done Right Promise, stamped on the invoice. If we miss a crack, quote the wrong cap size, or the creosote comes back faster than it should, we make it right. Our license number is on every page, every truck, and every technician’s uniform. Background checks are completed before hire, not after. And if you have a competitor’s written estimate for Gelco work, we will give you a free second opinion with our own camera footage and written price - no obligation.
FAQs
No, annual NFPA 211 cleaning by a qualified professional does not void a Gelco liner warranty. What voids it is using improper tools, such as a heavy chain flail on a light-gauge stainless liner, or failing to document the cleaning. We provide the dated photo record that satisfies Gelco’s warranty claim requirements if you ever need it. Call (331) 200-4445 to schedule.
We source both Gelco OEM and quality aftermarket equivalents through Haven’s buying network, including DuraFlex, HeatShield, Olympia Chimney, Famco, and Copperfield. We specify the manufacturer on your written scope before work starts, and we do not substitute without your initials next to the change. If you want genuine Gelco, we get genuine Gelco; if you want a stainless upgrade, we quote that instead.
The camera tells us. A cleanable liner has intact welds, no visible corrosion pitting, and no light penetration at the seams. A liner needing repair shows rust streaking, seam separation, or distortion from over-firing. We show you both conditions on the monitor during the Level 2 inspection, then give you a written price for each option so you can decide. Nothing is recommended without camera evidence you can see for yourself.
Once per burning season for wood-burning appliances, per NFPA 211. Gas and pellet systems with Gelco liners can often go two seasons, but we still recommend annual inspection because Hoffman Estates’ freeze-thaw cycling stresses crown and cap seals regardless of fuel type. If you burn more than three cords of oak or maple per winter, or if you notice draft smell or smoke spillage, schedule sooner.
Class I creosote becomes Class III glazed creosote, which cannot be brushed out and requires chemical treatment or rotary removal at roughly double the cost. In a Gelco stainless liner, heavy buildup also insulates the flue, reducing draft and increasing the risk of smoke spillage or liner overheat. The real risk in Hoffman Estates is not dramatic chimney fire; it is slow degradation of a $2,000 liner that a $189 sweep would have protected. Call (331) 200-4445 to book before the fall rush.
Written by Corrine Halstead, Owner, Level Two Chimney Hoffman Estates at Level Two Chimney Hoffman Estates, serving Hoffman Estates and nearby areas.





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