Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 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 in Glenview, IL | Sandstone Chimney Sweep
We provide independent Gelco chimney cleaning and service across Glenview, including the 60025 and 60026 ZIP codes. The one thing that makes our Gelco work here different is this: most Glenview homes with Gelco inserts have them fitted into flues originally built for open-hearth masonry fireplaces, not the insert’s venting. That mismatch changes what we check, and it’s why a standard sweep isn’t enough. Call (833) 589-7835 for a free estimate.
Norm Sobieski leads our team, and he learned the mechanical side of this trade through the HVAC and building systems program at Truman College before spending years on residential chimney work across Chicago’s northwest neighborhoods. We’re Gelco sales & service specialists in the practical sense: we service these units constantly, we stock the gaskets and vent components that fail most often, and we’re independent. Not authorized, sponsored, or endorsed by Gelco. Just experienced with their equipment.
Why Glenview Residents Choose Us for Gelco Service
Gelco inserts are common in Glenview because so many homes here were built in the postwar decades, when masonry fireplaces were standard. Later, homeowners wanted gas convenience without tearing out the original hearth, so inserts went in. That retrofit pattern means the appliance is only half the story; the flue it’s venting into is the other half. We know both sides. When we clean a Gelco unit in Glenview, we’re checking the insert’s burner, gaskets, and damper, and we’re also looking at the clay-tile flue behind it, the vent collar, and the cap. Most chimney companies do one or the other. We do the whole assembly because that’s what these older houses actually need.
We’re local to the North Shore service pattern, including Gelco in Niles, so we schedule around Glenview’s real demand peak: late summer through early fall, before the first cold week of October and November. Homeowners who haven’t used the fireplace since spring fire up the Gelco insert and discover a smell, a spill, or a delayed ignition. That’s when we’re busiest, and it’s when our phone rings most.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Glenview
- Rusted or loose vent collars and caps. Decades of freeze-thaw cycling in Glenview’s northern Illinois winters crack and loosen the metal where the Gelco insert’s vent meets the chimney. When that collar lets air in, the unit downdrafts or spills on the first cold-week fire. We reseal or replace the collar before cleaning the rest of the system.
- Hardened glass gaskets and door seals. Gelco inserts rely on tight gaskets for controlled combustion. After years of heating and cooling, those gaskets shrink and harden, letting air leak in and making burn control poor. We replace gaskets as part of a deeper Gelco service, not just as an add-on when the glass fogs.
- Failed pilot and thermocouple assemblies. Long idle summers in Glenview mean dust and spider debris settle into the pilot assembly of older Gelco gas units. Come fall, the burner either won’t ignite or lights unevenly. We clean and test the pilot, thermocouple, and burner before the season starts.
- Seized dampers and linkage. Gelco insert dampers and their linkage rust and seize over time, especially in homes where the fireplace sits unused through humid summers. A seized damper means the flue can’t be properly closed down, and creosote builds faster. We free or replace the linkage during cleaning.
- Clay-tile flue deterioration behind the insert. This is the Glenview-specific one. Original clay-tile liners in homes from the 1950s and 60s crack and spall after decades of freeze-thaw, and the Gelco insert is venting into that deteriorating flue. We camera-inspect the liner during any Gelco cleaning to see what’s actually happening behind the appliance.
Gelco Service in Glenview: What Local Conditions Mean for Your Equipment
Glenview’s postwar housing boom left thousands of original masonry fireplaces, many of which were later fitted with Gelco inserts into flues sized for open-hearth masonry, not the insert’s venting. That’s the local condition that shapes our work here more than anything else. The classic case is a 1950s or 60s brick fireplace near the village center in 60025, where the original clay-tile flue was built for a wide-open hearth. Decades later, a Gelco direct-vent or vented gas insert went in, and the insert’s venting doesn’t match the flue dimensions or liner condition. What we actually check on those jobs isn’t just the appliance; it’s the insert-to-flue transition, the original clay-tile liner condition, and whether the vent collar is sealed properly against the old masonry. That’s the information-gain difference: a generic sweep in Glenview might clean the glass and vacuum the burner, but if the transition isn’t inspected, the homeowner finds out about it the first cold night when the unit spills. We’d rather catch it in September.
A homeowner near the village center in 60025 called after her Gelco gas insert kept spilling and smelling on the first cold night in early November. Our tech pulled the insert, found a rusted, loose vent collar and a cracked crown letting rainwater down the flue, then resealed the collar, replaced the cap, and repaired the crown before the next fire. We finished with a Level 2 inspection and a fireplace cleaning so the whole assembly was verified before the season’s heavy use. That’s the kind of call we get every fall in Glenview.
Gelco Models & Products We Service in Glenview
We work on the Gelco product lines most common in Glenview homes: direct-vent gas fireplace inserts, factory-built wood-burning fireplaces, decorative gas log sets and burner assemblies, and vented gas fireplace inserts. For parts, we use factory Gelco components where they’re available and reliable. Where an OEM part is discontinued or priced unreasonably, we use quality aftermarket gaskets, dampers, and vent components that match the spec. We’ll tell you plainly when a Gelco insert is worth repairing versus replacing. On units old enough that the venting and firebox are near end of life, we’d rather you know before spending money on a repair that buys one more season. For Glenview service area coverage, we keep common Gelco gaskets, vent collars, and caps stocked for fast turnaround during the fall rush.
See the difference
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AfterGelco Service Pricing in Glenview
Gelco chimney cleaning in Glenview typically falls between $189 and $329 for a standard sweep and inspection, depending on the unit’s condition and the flue type. Adding a Level 2 camera inspection runs another $150 to $300, and it’s the single most useful thing we do on retrofit Gelco installations where the liner condition is unknown. Cap replacement on a factory-built Gelco fireplace typically runs $325 to $650 installed, depending on the cap style and roof access. Gasket replacement adds $125 to $250. These are honest ranges, not teaser prices; the free estimate tells you exactly where your unit falls before we book. Call (833) 589-7835 and we’ll walk you through it.
Serving Glenview, IL — Our Local Coverage Area
We’re based in the Glenview area and know this community well, and we also provide Morton Grove Gelco service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Glenview
Yes. In Glenview specifically, most Gelco inserts are retrofitted into original masonry chimneys with clay-tile liners that are decades old. A standard sweep cleans the visible surfaces, but a Level 2 inspection puts a camera down the flue and shows us the liner condition, the insert-to-flue transition, and whether the vent collar is sealed. That’s the inspection that catches the problems we actually find in this housing stock. If you haven’t had one, call (833) 589-7835 and we’ll schedule it.
The most common cause in Glenview is a rusted or loose vent collar combined with a cracked crown. Freeze-thaw cycles over the winter open small gaps. Rain gets in. Summer heat dries it out, but the gap is still there. When you light the first cold-week fire, the draft pulls air through that gap instead of up the flue, and the unit spills or smells. We find this on Gelco inserts all over Glenview in October and November. The fix is resealing the collar and repairing the crown, not just cleaning.
Yes. Cap replacement is one of the most straightforward Gelco repairs we do in Glenview. The cap on a factory-built fireplace rusts, loosens, or blows off after years of freeze-thaw, and then rainwater runs straight down the flue. We replace the cap, check the vent collar beneath it, and seal the transition. It’s part of what we mean when we say we find the problem and fix it in the same visit. Call (833) 589-7835 for a free estimate on cap replacement.
We do both. Gelco cleaning is the entry point, but most Glenview homes—and those needing Gelco service in Skokie—need something else: a gasket, a damper linkage, a vent collar, a cap. We stock the common components and do the repair work in the same appointment when we can. When the insert or its venting is near end of life, we tell you that too, instead of selling you a repair that won’t last. We’re a chimney repair company that also cleans, not a cleaning company that notices problems and refers them out.
No. We’re an independent service provider. We are not authorized, sponsored, or endorsed by Gelco. We service their equipment because it’s common in Glenview homes and we’ve spent years learning the model-specific failure points. Independence means we recommend what the chimney needs, not what a brand program tells us to push.
Service Areas Near Glenview
We serve Glenview and the surrounding communities, including Gelco service in Rosemont and Gelco service in Mount Greenwood. If you’re on the North Shore or in the northwest suburbs, call us and we’ll tell you whether we cover your address. We schedule by route, so you’re not waiting weeks for a technician to make a one-off trip.
Book Your Gelco Service in Glenview Today
Fall is when Glenview’s Gelco inserts get their hardest use, and it’s when we’re busiest. If your fireplace hasn’t been cleaned or inspected since last spring, now is the time. Call (833) 589-7835 for a free estimate. A clean flue isn’t a luxury; it’s just what a working fireplace requires.
Written by Norm Sobieski, Owner at Sandstone Chimney Sweep, serving Glenview and the North Shore.