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.
Fast, Reliable Fireplace Services Across Bethpage
Fireplace services in Bethpage typically run $180-$650 depending on whether you need a routine tune-up, damper repair, or full fireplace insert installation, and most jobs are completed in a single visit. Our technicians are familiar with the dense rows of post-war Capes and ranches that define Bethpage’s streets, from the blocks around Stewart Avenue to the neighborhoods off Hempstead Turnpike. We dispatch to Bethpage from our New York City office, and when you call (845) 757-0998, a live person answers - no voicemail, no callback queue. Bethpage’s housing stock presents specific challenges that generic sweeps often miss: shared flue stacks, oil-era conversions, and 60-plus-year-old masonry that demands a craftsman eye, not a quick brush-and-go.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why Hearthstone Chimney Co. Is Bethpage’s Preferred Fireplace Services Company
We’ve been serving Nassau County communities for over 42 years, and Bethpage’s signature problems - shared flues, gas conversions in oversized oil-era flues, and coastal weather battering aging mortar - are ones we’ve diagnosed hundreds of times. Homeowners here call us because we document every inspection with photos they can see and a plain-English verdict they can understand. No jargon. No scare tactics. Just the thing done correctly.
Our Bethpage customers know we’ll be there when we say, and they know the number on the estimate is the number on the invoice. Background-checked, uniformed technicians arrive with professional-grade materials from brands like Gelco and Olympia Chimney, and most repairs are finished in one visit. The 90-Day Done Right Promise backs every job in writing - if it’s not right, we come back, no arguing, no paperwork chase.
Our Fireplace Services in Bethpage
Gas Fireplace Service
Bethpage’s conversion from oil to natural gas, completed in most homes decades ago, created a hidden epidemic: gas appliances venting through flue tiles sized for oil burners. The result is chronic underdrafting and acidic condensate that eats mortar from the inside. Our gas fireplace service includes combustion analysis, burner cleaning, and a Level 2 camera inspection to verify your flue liner is correctly sized for the appliance it serves. If it’s not, we’ll show you the photos and explain exactly what needs correction.

Wood Burning Fireplace
The wood-burning fireplaces in Bethpage’s 1950s Capes were built for a different era of heating, and many still draw through original dampers and fireboxes that have never been upgraded. We inspect for creosote buildup, firebox cracks, and - critically - whether your flue shares a stack with a neighbor’s furnace or water heater. That cross-contamination risk is real in Bethpage’s dense housing, and it’s invisible until someone drops a camera.

Fireplace Insert
For Bethpage homeowners tired of drafty, inefficient original fireplaces, a properly sized insert installed with a correct flue liner transforms the unit into a sealed, efficient heat source. We specify inserts matched to your existing opening and install new liners from DuraFlex or Olympia Chimney sized precisely for the insert’s output - no more oversized oil-era flues creating condensation problems. Most installations are completed in one day, with the 90-Day Done Right Promise in writing.

Damper Repair
The original throat dampers in Bethpage’s post-war homes are now 60-75 years old. Many are rusted open, rusted shut, or missing entirely. A failed damper wastes heated air up the flue all winter and admits humid coastal air all summer, accelerating deterioration of the firebox and smoke chamber. We repair or replace dampers with precision-fit components from Famco, and we always inspect the surrounding masonry for the spalling and open mortar joints that freeze-thaw cycles have opened in Bethpage’s chimneys.

Firebox Repair
The refractory panels or brick fireboxes in Bethpage’s original fireplaces crack from decades of thermal cycling and, often, water infiltration through spalled crowns. We rebuild with HeatShield refractory materials or matched brick, restoring the firebox to code-compliant condition. Every repair is photo-documented, and we separate firebox work from flue work - two distinct systems, each requiring its own diagnosis.

Fireplace Conversion
Converting a wood-burning fireplace to gas in Bethpage requires more than a burner insert. The flue must be correctly sized for the new appliance’s lower exhaust temperature and volume, and any shared-stack configuration must be identified and separated. We handle the full conversion: gas line coordination, burner selection, flue relining with appropriately sized DuraFlex or Copperfield components, and final combustion verification. Done right - and we stand behind it.

Trusted Brands We Service in Bethpage
We stock professional-grade parts and materials from Gelco, Olympia Chimney, Famco, and Copperfield - brands that hold up in Bethpage’s coastal climate, not builder-grade substitutes that fail in three seasons. Because we carry common damper assemblies, firebox refractory panels, and flue liner sections on our trucks, most Bethpage repairs don’t wait for a parts order. Our Fireplace Services team specifies the right material for each repair: HeatShield for firebox restoration, DuraFlex for gas conversions, Gelco caps and crowns for weather protection. Fast turnaround matters when you’re staring at a fireplace you can’t use.
Common Fireplace Services Problems We See in Bethpage Homes
- Shared or adjacent flues in dense postwar housing. Around Great Neck Road and Stewart Avenue, neighboring appliances often vent into the same masonry stack. A next-door furnace can back-draft into your firebox, introducing carbon monoxide risk that no roofline inspection will catch. Level 2 camera diagnosis is the only way to map these configurations.
- Oil-era flue tiles oversized for gas appliances. When Bethpage homes converted to gas, most kept their original flues. Those tiles are too large for modern gas exhaust, so gases cool too quickly, condense into acidic moisture, and silently erode mortar and clay from the inside. The chimney looks fine until the liner fails completely.
- Freeze-thaw and coastal humidity destroying aged mortar. Central Nassau County’s winters deliver repeated freeze-thaw cycles, and the Atlantic’s persistent humidity - Bethpage sits roughly 12 miles inland - accelerates spalling in 60-plus-year-old mortar joints. Open voids admit water, which expands when frozen, opening the void further.
- Original dampers and fireboxes at end-of-life. The throat dampers and refractory panels installed in Bethpage’s 1950s-1960s construction have endured thousands of heating cycles. Many no longer seal, regulate draft, or protect surrounding combustibles as designed.
Pricing for Fireplace Services in Bethpage, NY
A typical gas fireplace tune-up in Bethpage runs $180-$250. Damper repair or replacement generally falls between $320-$480. Fireplace insert installation with correct flue relining ranges $2,800-$4,500 depending on insert model and liner length. Full firebox rebuilds in Bethpage’s older Capes and ranches typically cost $1,200-$2,400. These ranges reflect Bethpage’s market - not Manhattan, not outstate - and they’re agreed upfront before work begins. The $89 Seasonal Tune-Up covers inspection, basic cleaning, and combustion check for gas units. We also offer $50 off any repair over $250, a free second opinion on any written estimate you’ve received, and a permanent 5% senior and veteran discount. Call (845) 757-0998 for an exact quote - estimates are free, and the number we give is the number on the bill.
We Also Serve Cities Near Bethpage
Our crews work throughout central Nassau County, including Levittown, Hicksville, East Meadow, and Jericho. Each shares Bethpage’s post-war housing stock and similar flue-conversion histories, though Bethpage’s density of shared-stack configurations remains the most pronounced in the area.
Serving Bethpage, NY - Our Local Coverage Area
We’re based in the Bethpage area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Fireplace Services in Bethpage
Yes, and it’s more common in Bethpage than most homeowners realize. Around Stewart Avenue and Great Neck Road blocks, adjacent post-war homes were built with abutting or shared masonry stacks, and a neighbor’s furnace or water heater can vent into the flue your fireplace uses. That cross-contamination can introduce carbon monoxide into your living space when your fireplace is in use, or when it’s not and negative pressure draws exhaust backward. We map these configurations with Level 2 camera inspection and separate the runs with correct flue liners and crown rebuilds as needed. Call (845) 757-0998 for an exact quote - estimates are free.

The original flue tiles in your Bethpage home were sized for oil burners, which run hotter and move more exhaust volume than gas appliances. When the conversion happened, most contractors left the oversized flue in place. Gas exhaust cools too quickly in that large space, condenses into acidic moisture, and silently erodes mortar and clay tile from the inside. The chimney looks sound from outside until the liner fails. A Level 2 inspection catches this before it becomes a safety issue. Call (845) 757-0998 for an exact quote - estimates are free.

Yes, because in Bethpage the bigger risk often isn’t creosote from burning - it’s the shared-flue configuration, gas condensation damage, or coastal weather deterioration that progresses regardless of use. Many of the dangerous conditions we find are in chimneys that haven’t been used in years. The National Fire Protection Association recommends annual inspection for all chimneys, fireplaces, and vents, and Bethpage’s specific housing conditions make that recommendation particularly sound here. Call (845) 757-0998 for an exact quote - estimates are free.

First-degree creosote is light, flaky soot that brushes off easily - common with dry hardwood and hot fires. Third-degree creosote is thick, tar-like, and hardened to the flue wall; it forms when wood burns slowly or with insufficient air, and it’s highly combustible. Third-degree creosote in Bethpage’s older, often-oversized flues is especially dangerous because the creosote layer further reduces an already-undersized effective flue diameter. We remove both with appropriate methods, but third-degree deposits require more intensive treatment and more frequent monitoring. Call (845) 757-0998 for an exact quote - estimates are free.

Sometimes. A rusted or misaligned damper can often be repaired or replaced with a new precision-fit unit without disturbing surrounding masonry. Firebox refractory panels with minor cracking can be patched with HeatShield materials; panels with through-cracks or significant deterioration must be replaced to maintain proper clearances to combustibles. We inspect both, show you the photos, and give you a plain-English verdict on repair versus replacement. No recommendation without evidence you can see. Call (845) 757-0998 for an exact quote - estimates are free.
Ready to schedule? Call (845) 757-0998 now. A live person answers 24 hours a day, 7 days a week. We’ll book your free estimate, dispatch a background-checked, uniformed technician, and deliver a written verdict with photos you can see. Every job is backed by our 90-Day Done Right Promise - in writing, no arguing. We’ve been doing this for over 42 years, and we plan to be here when you need us next.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Bethpage and central Nassau County since 1984.






Before
After
Before
After
Before
After