A Hearthstone company - serving New Rochelle, NY

Gelco Chimney Cleaning & Sweep Nationwide

Every visit starts with

Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed

Worth knowing

Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.

Styles & brands we work with

Sweep & inspection
Sweep & inspection
Caps & crowns
Caps & crowns
Flue relining
Flue relining
Masonry repair
Masonry repair
Gas fireplace service
Gas fireplace service

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Gelco Chimney Cleaning & Sweep in New Rochelle: What to Know First

We provide independent Gelco chimney cleaning and sweep services throughout New Rochelle, with most jobs completed in a single visit and upfront pricing agreed before we start. A standard Gelco annual sweep and Level 1 inspection runs between $189 and $279, while a Level 2 camera inspection with full photo report runs $289 to $429 depending on stack height and access. We’re not affiliated with Gelco - we work on their products because we’ve been maintaining them in Westchester County homes for over 42 years, and we know where they hold up and where they don’t.

Call (516) 927-2678

This page is for Gelco owners in New Rochelle who want their chimney swept, inspected, or diagnosed by technicians who can name the part without looking it up. If you own a Gelco cap, damper, or liner and need honest work, call us at (516) 927-2678. A live person answers, 24 hours a day.

How Gelco Products Fail - and How We Fix Them

  • Gelco chimney caps with mesh spark arrestors clog with creosote faster than solid-cap designs. The Model G-6 and G-8 series in particular collect glazed creosote in their 5/8-inch mesh during New Rochelle’s shoulder seasons, when homeowners run short, hot fires instead of sustained burns. We remove the cap, ultrasonic-clean the mesh when salvageable, and replace it with a same-spec Gelco cap when the frame has warped from freeze-thaw cycles. The mesh spacing matters - too tight and it chokes draft; too open and it won’t pass Westchester’s ember codes.
  • Gelco top-sealing dampers lose their silicone seal after 8-12 years of salt-air exposure. New Rochelle’s proximity to Long Island Sound accelerates corrosion on the damper frame and cable assembly, particularly in the Beechmont and Wykagyl neighborhoods where we see the most coastal moisture intrusion. The damper still operates, but the seal leaks conditioned air and lets downdrafts carry soot smell into the living room. We inspect the cable routing, replace the silicone gasket with OEM Gelco spec or a HeatShield-compatible upgrade, and test seal compression with a smoke pencil.
  • Gelco stainless flex liners in the UL-1777 series develop creosote buildup at the flex points. The corrugations that make these liners adaptable to offset flues also create turbulence zones where soot accumulates above the smoke shelf. During a sweep, we run a poly brush sized to the liner’s inner diameter - never a steel brush that can score stainless - and verify with a camera that the flex valleys are clear. In older New Rochelle Colonials with 8×12 terra cotta flues, we often find the liner was oversized, which worsens the problem by reducing draft velocity.
  • Gelco chase covers in the pre-2010 galvanized line rust through at the drip edges. We’ve replaced dozens of these in New Rochelle’s Glenwood Lake area, where the original builder-grade covers lasted 15 years at best. Water stains on the firebox ceiling are the tell. We fabricate a replacement from Copperfield 24-gauge stainless with proper cross-breaks and a 2-inch drip edge, or source a Gelco OEM cover when the chase dimensions match current catalog specs. The key is measuring the flange overlap - too short and water runs behind the siding.
  • Gelco fireplace doors with tempered glass develop frame sag that cracks the gasket seal. The Model FD-42 and FD-48 series use an aluminum frame that softens with repeated heating cycles. The glass doesn’t fail, but the gasket gap lets room air get sucked up the flue, wasting energy and pulling odors. During a cleaning, we check door squareness with a carpenter’s level and replace the woven fiberglass gasket with Gelco-spec material rated to 1,000°F. If the frame is twisted, we tell you plainly - no shim tricks that fail in six months.

Our Gelco Chimney Cleaning & Sweep Process

  1. 1
    Call intake. A live person answers, notes your Gelco model if you know it, and schedules a window. We confirm our $89 Seasonal Tune-Up or standard sweep rate upfront - no dispatch fee surprises.
  2. 2
    Arrival and protection. Our technician arrives in uniform, lays drop cloths from the door to the hearth, and runs a HEPA vacuum before touching the flue. We inspect the Gelco cap, damper, and visible liner terminus for damage that affects how we proceed.
  3. 3
    Sweep and mechanical cleaning. For Gelco stainless liners, we select poly or brass brushes matched to the corrugation profile. For unlined masonry flues with Gelco components, we use a whip head on rods to clear glazed creosote without spalling the terra cotta. Creosote goes into a sealed container, not your trash.
  4. 4
    Camera inspection and documentation. We run a Level 2 camera through the full flue length, capturing images of every joint, offset, and the smoke chamber. You see the photos on site. We mark anything that needs attention now, what can wait a season, and what’s fine.
  5. 5
    Verdict and pricing. Russell or the technician explains findings in plain English. If a Gelco part needs replacement, we quote OEM and quality aftermarket options - DuraFlex for liner repairs, HeatShield for refractory restoration - with the trade-offs clear. You approve the number before work continues.
  6. 6
    Final test and guarantee. We run a draft test, verify damper operation, and clean the work area. The 90-Day Done Right Promise goes in writing: if it’s not right, we come back. No paperwork to find, no arguing.

What Gelco Chimney Cleaning & Sweep Costs in New Rochelle

Service Typical Range What Affects Price
Annual sweep + Level 1 inspection (Gelco cap/damper) $189 - $279 Stack height, roof pitch, creosote thickness
Level 2 camera inspection with photo report $289 - $429 Number of flues, access difficulty, documentation needed for insurance
Gelco cap removal, cleaning, reinstall $149 - $219 Mesh condition, fastener corrosion, replacement vs. cleaning
Gelco top-sealing damper seal replacement $239 - $349 Cable length, frame corrosion, access (roof vs. fireplace)
Gelco flex liner sweep with camera verification $329 - $489 Liner diameter, number of offsets, creosote grade (powder vs. glazed)

Three things move the price: how tall your chimney is, how dirty it is, and whether we need the ladder or the lift. We don’t charge extra for New Rochelle parking or “travel time.” Seniors and veterans receive a permanent 5% discount. Call (516) 927-2678 for an exact quote - estimates are free, and we don’t send a salesman, we send a sweep.

Why New Rochelle Homeowners Call Hearthstone Chimney Co. for Gelco Work

We’ve been sweeping chimneys in New Rochelle since 1984. Russell Haines knows the Gelco product line from hands-on work in local homes - not from a distributor catalog. When a Beechmont homeowner calls with a draft problem, we don’t guess; we check the specific failure modes these products develop in this climate, with this water table, this close to the Sound.

Our Level 2 inspections end with photos you can see and a plain-English verdict. If your Gelco liner is sound for another five years, we say so. If a HeatShield application makes more sense than a Gelco reline, we explain why. The 90-Day Done Right Promise covers every job in writing - Krafted right, Every time, Your home first, Standing behind it. And when you call (516) 927-2678, a live person answers. No voicemail. No callback queue. No app.

We also service DuraFlex and HeatShield systems, so if your Gelco installation needs a compatible repair, we don’t fabricate workarounds. We use the right part from the right brand, done right - and we stand behind it.

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