A Hearthstone company - serving Southampton, NY

Gelco Chimney Cleaning Service 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

Why Southampton Homeowners Choose Gelco Chimney Cleaning

We provide independent Gelco service in Southampton, including chimney cleaning, repair, and maintenance throughout NY, with technicians who know Gelco factory-built fireplaces and inserts from hands-on work across the East End. Our crew checks the chimney cap and solid-pack joints before touching the firebox, because in Southampton’s coastal environment that’s where the real problems start. Call (516) 619-2915 for a free estimate.

Call (516) 619-2915

We’re not affiliated with or authorized by Gelco. We’re an independent service provider that has worked on Gelco units in Southampton for years, learning their draft behavior, gasket wear patterns, and venting quirks through repeated field calls rather than classroom training. That independence matters. We can source Gelco-compatible OEM-style parts when they’re available, quality aftermarket equivalents when they’re not, and we’ll tell you honestly when a unit has reached the point where chasing parts is throwing good money after bad.

Southampton’s chimney market is dominated by second homes and seasonal rentals that sit empty from Labor Day through Memorial Day. Chimneys go untouched for nine or ten months before owners arrive for fall weekends and light that first fire. The salt air off the Atlantic corrodes metal dampers, caps, and stainless flue liners faster than anywhere inland on Long Island. Gelco factory-built fireplaces face a dual threat here: neglect-driven nesting and moisture intrusion, plus accelerated coastal corrosion that attacks termination caps and twist-lock joints before the firebox ever shows symptoms. Annual inspection in Southampton isn’t advisable. It’s necessary.

Russell Haines, our owner, grew up in Los Angeles before the trade pulled him east. He picked up the fundamentals at Los Angeles Trade-Technical College, then spent the better part of two decades working his way through flues from the South Fork to the North Shore. He and his crew have cleaned and inspected chimneys throughout Southampton Village, including plenty of the older shingled colonials along Jobs Lane, long enough to know which problems show up after a hard winter and which ones were overdue before the first frost. Russell is known for getting the diagnosis right the first time and explaining what he found without dressing it up.

Why Trust Hearthstone Chimney Co. for Your Gelco Chimney Cleaning?

We’ve serviced Gelco factory-built fireplaces and inserts across the East End for years, learning their quirks through hands-on chimney work rather than a certification badge. Our independent crew knows Gelco’s draft, gasketing, and venting behavior because we see it on the roofline and in the firebox, not just in a showroom.

That field experience translates into faster, more accurate diagnosis. When a Gelco gas insert smells like exhaust on startup, we know to check the glass gasket seal before assuming it’s a venting issue. When a Heatilator-style wood fireplace smokes back into the room, we inspect the solid-pack chimney joint above the attic first, because we’ve found that separation there more times than we can count in Southampton’s wind-exposed conditions. The termination cap gets checked every time. Salt air and nor’easter-driven rain attack it directly.

We use Gelco-compatible OEM-style gaskets, firebox panels, and damper hardware when the factory part is available. When Gelco has discontinued a part, and they have on several older series, we source quality aftermarket equivalents that meet the same operational specs. We don’t guess. We don’t substitute builder-grade materials. Our suppliers include DuraFlex, HeatShield, Olympia Chimney, Famco, and Copperfield, and we select the right component for the specific Gelco model and its failure mode.

Every inspection ends with photos you can see and a plain-English verdict. No jargon, no scare tactics. If the refractory panels in your Gelco wood-burning insert are cracked but the venting system is sound, we’ll tell you that. If the venting system is failing and the firebox is compromised, we’ll tell you that too, and we’ll explain why a rebuild or replacement makes more sense than piecemeal repairs. Our 90-Day Done Right Promise backs every job in writing. If it’s not right, we come back. No paperwork, no arguing.

Background-checked, uniformed technicians complete most jobs in a single visit. No-hassle upfront pricing means the number on the estimate is the number on the invoice. And a live person answers our phones 24 hours a day, 7 days a week. Not voicemail. Not a callback queue. A real person.

Common Gelco Chimney Cleaning Problems We Fix in Southampton

  • Dried gaskets and glass seals on Gelco gas inserts. The factory seals on Gelco gas fireplace inserts with sealed glass fronts dry out and harden over time, especially in Southampton where seasonal homes see heavy winter use followed by long idle periods. Leaking seals cause draft odor, flame impingement, and soot accumulation on the glass that no amount of consumer cleaner will remove. We replace these with Gelco-compatible OEM-style gaskets or matched aftermarket equivalents, then verify the seal with a draft test before we leave.
  • Corroded or separated solid-pack chimney joints. Gelco solid-pack chimney sections use twist-lock joints that can corrode or separate at the attic and roofline, particularly in Southampton’s salt-laden marine air. When these joints fail, they create hidden creosote traps and direct water entry paths into the chase. We find this on older Gelco Heatilator-style 36-inch and 42-inch units regularly. Our techs re-seat separated joints, replace corroded locking hardware, and verify the full assembly with a Level-2 camera inspection.
  • Cracked damper and firebox refractory panels. Gelco dampers and firebox refractory panels crack from repeated heat cycling, especially in older Heatilator-style units used as primary heat sources in Southampton’s winter rental properties. A cracked refractory panel isn’t just an efficiency problem. It exposes surrounding combustibles to direct heat. We replace panels with Gelco-compatible refractory or, when the firebox has multiple failures, we advise honestly on rebuild versus replacement.
  • Clogged termination caps and spark arrestors. Gelco termination caps and spark arrestors clog with creosote and debris, reducing draft and pushing smoke back into the room. In Southampton, this happens faster than inland because coastal winds drive debris against the cap, and salt corrosion roughens interior surfaces where creosote adheres more readily. We remove, clean, and inspect caps, replacing them when corrosion has compromised the mesh or housing.
  • Wind-driven downdraft and smoke roll-out. Southampton’s exposed position on the Atlantic means wind can reverse chimney draft even in properly functioning systems. On Gelco direct-vent gas fireplaces (DV series), we check that the vent terminal is positioned and sealed correctly for the specific wind patterns at that roofline. On wood-burning units, we verify cap design and chimney height relative to nearby roof peaks. Sometimes the fix is a cap replacement. Sometimes it’s reconfiguring the termination. We don’t guess. We diagnose.

On a Gelco in Hampton Bays and Southampton jobs alike, our tech pulled a Gelco Heatilator-style fireplace apart after the owner complained of smoke roll-out and a cold draft on windy nights. The termination cap was packed with creosote and the solid-pack chimney joint above the attic had separated, so we swept the flue, re-seated the joint, replaced the cap, and sealed the gasket. The draft reversed correctly and the smoke roll-out stopped.

Gelco Parts & Our Repair-vs-Replace Approach

We stock Gelco-compatible gaskets, refractory panels, damper hardware, and termination caps for the common model lines we see in Southampton. That local inventory means faster turnaround. Most parts arrive within a day or two if we don’t have them on the truck. For discontinued Gelco components, we source quality aftermarket equivalents from our professional-grade suppliers.

Our repair-versus-replace decision is straightforward. If a Gelco firebox has cracked refractory and a failing venting system, we tell owners plainly when a rebuild or insert replacement makes more sense than chasing discontinued parts. We’ve seen owners spend hundreds on piecemeal repairs to a 25-year-old Heatilator-style unit when a modern insert would have solved the problem for another decade. We’ll give you that recommendation straight, with photos that show exactly what we found. No pressure. Just facts.

Call (516) 619-2915 if you’re trying to decide whether to repair or replace an older Gelco unit. We’ll inspect it and give you an honest assessment.

Our Gelco Service Process - Step by Step

  1. 1
    Diagnosis with Level-2 camera inspection. We start with a visual and camera inspection of the full Gelco system, from firebox to termination cap. For gas inserts, we check glass seals, gaskets, and burner operation. For wood-burning units, we map creosote buildup, refractory condition, and solid-pack joint integrity. You get photos and a plain-English verdict.
  2. 2
    Repair or installation with Gelco-compatible parts. We use OEM-style or quality aftermarket parts matched to your specific Gelco model. Gaskets are replaced, not patched. Corroded hardware is replaced, not cleaned and hoped for. Every component is verified against manufacturer specs for safe operation.
  3. 3
    Operational testing and draft verification. Gas units are fired and checked for proper flame pattern, seal integrity, and exhaust behavior. Wood-burning units are draft-tested to verify proper draw and smoke evacuation. We confirm the fix under operating conditions, not just visually.
  4. 4
    Documentation and 90-Day Done Right Promise. You receive written documentation of what was found, what was done, and what parts were used. Our 90-Day Done Right Promise covers the work. If it’s not right, we make it right. In writing, no arguing.

Gelco Products We Service & Install in Southampton

We service and install Gelco factory-built wood fireplaces, including the older Heatilator-style 36-inch and 42-inch units still common in Southampton’s 1980s and 1990s construction, as well as Gelco service in Sag Harbor and across the East End. We work on Gelco gas fireplace inserts with sealed glass fronts, Gelco direct-vent gas fireplaces in the DV series, and Gelco wood-burning fireplace inserts. Our Southampton-area inventory covers the gaskets, refractory panels, dampers, and termination components these models require. For new installations or replacements, we source professional-grade materials and verify all venting configurations against local code and the specific wind exposure at your property.

We Also Service These Brands

We’re not a single-brand shop. Our technicians are equally experienced with DuraFlex chimney liner systems, HeatShield cerfractory flue resurfacing, and products from Olympia Chimney, Famco, and Copperfield. That breadth matters when your chimney system combines multiple brands or when a Gelco component has been superseded by a cross-compatible industry standard. We match the right product to the specific repair, not the brand we happen to push.

FAQs - Gelco Chimney Cleaning Service in Southampton

Is Hearthstone Chimney Co. authorized by Gelco?

No. We are an independent Gelco service provider, not affiliated with or authorized by the manufacturer. Our expertise comes from years of hands-on field work with Gelco units across the East End, not from a factory certification program.

My Gelco gas insert smells like exhaust when it first lights - is that a chimney problem?

Usually it’s a gasket or seal problem first, a venting problem second. The glass gasket on Gelco gas inserts dries out and leaks combustion byproducts into the room on startup. We inspect and replace the seal, then verify draft behavior. If the odor persists, we check the direct-vent termination for blockage or separation. Call (516) 619-2915 and we’ll diagnose it properly.

Can you still get parts for an older Gelco Heatilator-style fireplace?

Some parts yes, some no. Gaskets, refractory panels, and standard dampers are often available as Gelco-compatible OEM-style or quality aftermarket equivalents. Certain proprietary components from the oldest 36-inch and 42-inch units have been discontinued. We’ll inspect your unit, identify exactly what’s needed, and tell you honestly whether repair is practical or if a modern insert replacement is the smarter path.

Why does my Gelco fireplace smoke into the room when I start a fire?

Most often it’s a blocked or corroded termination cap, a separated solid-pack chimney joint above the attic, or a failed damper seal. In Southampton, salt corrosion and wind-driven debris accelerate cap clogging. We check the exterior first, then work down. The firebox is rarely the primary cause.

How often should a Gelco wood fireplace be swept in Southampton?

Annually, at minimum. For Southampton’s seasonal homes, schedule the sweep before your first fall visit, ideally before Columbus Day or Thanksgiving. Chimneys that sit idle through spring and summer accumulate nests, debris, and moisture-driven creosote that a winter-first fire can ignite. Call (516) 619-2915 to book before you arrive for the season.

Do you service Gelco gas fireplaces or only wood-burning units?

Both. We service Gelco gas fireplace inserts with sealed glass fronts and Gelco direct-vent gas fireplaces in the DV series, including burner cleaning, gasket replacement, and venting verification. We also sweep and repair Gelco wood-burning factory-built fireplaces and inserts.

How much does Gelco chimney cleaning cost in Southampton?

A standard Gelco chimney sweep and inspection in Southampton typically runs between $250 and $400, depending on creosote buildup level, accessibility, and whether a Level-2 camera inspection is needed. Gas fireplace service with gasket inspection and burner cleaning generally falls between $200 and $325. Repairs requiring parts are quoted upfront after diagnosis. Our $89 Seasonal Tune-Up is available for qualifying systems. Call (516) 619-2915 for an exact quote - estimates are free.

Book Your Gelco Service in Southampton, NY

A clean flue does the talking - you just need a warm fire to hear it. Call (516) 619-2915 to schedule our Chimney Cleaning & Sweep services, Gelco repair, or inspection. A live person answers 24 hours a day. We offer $50 off any repair over $250, free second opinions on written estimates, and a permanent 5% senior and veteran discount. Estimates are free, pricing is upfront, and every job is backed by our 90-Day Done Right Promise in writing.

Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Southampton and the East End since 1984.

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