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 Sweep in Brooklyn: What to Know First
Gelco chimney sweep in Brooklyn typically runs between $189 and $329 for a standard open-flue fireplace with a masonry chimney, and most jobs are completed in one visit that takes between 60 and 90 minutes. We are an independent Gelco service provider – not affiliated with or authorized by the manufacturer – which means we can give you a straight answer about what your liner actually needs without a sales script. If you own a Gelco liner cap, chase cover, or fireplace component and need a sweep, inspection, or cleaning, call (607) 695-6218 for a written price before any work starts.
How Gelco Products Fail – and How We Fix Them
Brooklyn’s brownstones and pre-war buildings put Gelco components through conditions the manufacturer’s Florida test lab never anticipated. Here’s what we see in the field:
- Gelco liner caps with rust-through at the weld points. Brooklyn’s winter freeze-thaw cycle means water sits on the cap’s horizontal seams, freezes, expands, and stresses the welds. By year three or four, we see pinhole leaks dripping down the liner. We catch this during the sweep by inspecting the cap from the roof, not just from the flue opening. Fix: replacement cap with a stainless steel unit, or a repair weld if the cap base is still sound.
- Creosote packing at the Gelco liner-to-smoke-chamber transition. Gelco liners are smooth-walled, which is great for draft, but the transition where the liner meets the masonry smoke chamber creates a shelf where creosote accumulates faster than on the rest of the flue. We sweep this section by hand with a rotary brush rather than relying on a drop-in rod setup, because we’ve seen standard sweeps leave behind enough creosote to reignite within a season.
- Gelco chase covers with failed sealant around the collar. On Brooklyn rowhouses with wood-framed chases, the Gelco chase cover’s collar sealant dries out and cracks from UV exposure within five years. Water sneaks under the collar, runs down the outside of the liner, and rots the chase framing. During a sweep, we check the chase cover collar and re-caulk it with high-temperature silicone if we see early drying, which costs less than a quarter of a cover replacement.
- Gelco fireplace dampers that warp and stick. Gelco’s cast-iron dampers are sturdy but they don’t love Brooklyn’s humid summers. We routinely see dampers that have warped just enough to stick in the closed position. A homeowner thinks the fireplace is broken; it usually needs a sweep to remove the creosote gumming the hinge, plus a light filing to restore clearance.
- Gelco liner sections separating at the couplers after settlement. Brooklyn brownstones settle. It’s just what they do. When a building settles unevenly, Gelco liner sections can separate at the couplers, creating gaps where exhaust can leak into the chase. We check couplers during every sweep with a camera, and we’ll photograph any gap so you can see it before deciding on a repair.
Styles & brands we work with





Our Gelco Chimney Sweep Process
Every Gelco sweep in Brooklyn follows the same six steps, and we write the price down before step one. You’ll know the cost, the time, and what we’ll touch.
- 1
Call and price. You call (607) 695-6218, a live person answers, and we ask about your fireplace type, last sweep date, and any symptoms. Then we give you a written price range before we ever ring your doorbell.
- 2
Floor protection first. Shoe covers and drop cloths go down on arrival. We photograph the setup. Nothing gets moved without asking.
- 3
Camera inspection. We run a camera through the flue to see the liner condition from top to bottom, including the Gelco cap, couplers, and the smoke chamber transition. You see the footage, not just our word for it.
- 4
The sweep itself. We use brushes sized to your flue diameter, not a one-size-fits-all setup. For Gelco smooth-walled liners, we pair the brush with a HEPA-filtered vacuum at the firebox opening so no dust enters the living space.
- 5
Parts decision. If the camera shows a failing Gelco component, we show you the image and give you OEM and quality aftermarket prices side by side. We don’t push OEM when a comparable part does the job, but we’ll tell you exactly what you’re giving up.
- 6
Cleanup and proof. We vacuum the firebox, wipe down the hearth, and photograph the finished job. The 365-Day Done Right Promise covers the work: if something isn’t right, we make it right, no runaround.
See the difference
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After
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AfterWhat Gelco Chimney Sweep Costs in Brooklyn
Here’s what Brooklyn homeowners actually pay for Gelco-related chimney work, based on the jobs we do most weeks:
- Standard Gelco chimney sweep with Level 1 inspection: $189 – $249
- Sweep plus Level 2 camera inspection (real estate or post-storm): $289 – $379
- Gelco damper repair or replacement: $240 – $520 depending on part and access
- Chase cover re-seal or replacement: $180 – $650 depending on size and material
- Gelco liner cap replacement: $320 – $680 installed
Price moves based on chimney height, roof access, and whether the flue is single- or multi-story. We give you the written number before we begin, always. Call (607) 695-6218 for a free estimate.
Why Brooklyn Homeowners Call Kindling Chimney Brooklyn for Gelco Work
Danny Cortes grew up in East Los Angeles, studied building and construction technology at East Los Angeles College, and learned early that old buildings ask a lot of the people who keep them running. He brought that patient, methodical approach to Brooklyn, where century-old brownstones and pre-war flues keep his crew genuinely busy. Technicians arrive background-checked, uniformed, and follow the C.A.R.E. values on every visit: shoe covers and drop cloths down on arrival, nothing moved without asking, and a photo of the clean-up taken before the crew leaves. The Cedarwell Care Promise wraps all of it: written price first, floors protected, cleanup documented. If a Gelco part fails and the right fix involves a brand we know better in that application – like a DuraFlex liner or a HeatShield repair – we’ll say so plainly and give you the honest comparison. The 365-Day Done Right Promise stands behind every sweep and repair.
FAQs
No. Regular professional chimney sweeping is actually required by most Gelco warranty terms, not prohibited. The warranty typically excludes damage from neglected maintenance, not from maintenance itself. We sweep to manufacturer-recommended standards and document the work with a camera so you have a record if you ever need to file a claim.
Once a year if you burn more than a cord of wood, and every two years minimum if you burn less. Brooklyn’s older masonry chimneys draft differently than modern builds, which often means creosote accumulates faster than the national average. We’ll tell you after the first camera inspection what your actual buildup rate is, and set a visit schedule based on that, not a generic calendar.
Yes, and you’ll see it for yourself. We run a camera through the flue on every sweep and photograph any gaps, cracks, or coupler separation. If the liner is safe to sweep and keep in service, we say so plainly. Danny Cortes has told more than a few Brooklyn homeowners that a liner could wait another season, which is exactly why people call us back. If replacement is genuinely needed, we’ll show you OEM and aftermarket options with honest pricing.
We book most Gelco sweeps within three to five business days, depending on the season and your neighborhood. Park Slope, Prospect Heights, Bay Ridge, and Williamsburg jobs tend to cluster on certain days for routing efficiency, but a live person can tell you the actual date when you call (607) 695-6218. We don’t run a voicemail tree, ever.
Quiet tools when the kids are asleep, drop cloths on every surface the crew walks on, and pet-safe cleaning products where there is a choice. We never use chemical deodorizers or leave residue that a crawling baby or a curious dog could find. The C.A.R.E. values cover this exactly: floors protected, nothing moved without asking, and a photo of the clean-up before we leave.
If you own a Gelco fireplace or liner and it’s time for a sweep in Brooklyn, call (607) 695-6218. A live person answers, and you’ll get a written price before any work begins.
Written by Danny Cortes, Owner, Kindling Chimney Brooklyn at Kindling Chimney Brooklyn, serving Brooklyn and nearby areas.