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.
Before
After
Before
AfterFast, Reliable Chimney Liner & Rebuild Across Jericho
Chimney liner replacement and partial rebuilds in Jericho typically run $1,800-$4,500 depending on flue height and liner material, with most inspections completed same-week and full relining jobs finished in one day. If your Jericho home’s chimney was originally built for an oil-fired boiler and later converted to gas, the original clay flue liner is almost certainly the wrong size for your current appliance, and that’s where we start every conversation.
We’ve been working on chimneys in Jericho for decades. Our crews know the post-war colonials off Jericho Turnpike, the split-levels near the Middle School, and the newer teardown-rebuilds along the Route 25 corridor. Dispatch is coordinated from our New York City office, but the trucks that roll up your driveway are stocked with DuraFlex, HeatShield, and Gelco materials and staffed by technicians who’ve seen the exact failure pattern your chimney is showing. Call (934) 348-4832 to speak with a live person, 24 hours a day.
Why Hearthstone Chimney Co. Is Jericho’s Preferred Chimney Liner & Rebuild Company
Jericho homeowners call us because we document everything. Every Level-2 inspection ends with photos you can see on the screen and a plain-English verdict, no jargon, no pressure. We’ve earned our reputation here one chimney at a time, and we plan to be answering the phone for another thirty years.
Our technicians are background-checked, uniformed, and complete most liner replacements and partial rebuilds in a single visit. No-hassle upfront pricing means the number on your estimate is the number on your invoice. The 90-Day Done Right Promise is in writing, with no arguing and no paperwork to chase down. If it’s not right, we come back.
Calls are answered by a live person, 24 hours a day, 7 days a week. Not a voicemail, not a callback queue. That’s how we’ve operated for over 42 years.
Our Chimney Liner & Rebuild Services in Jericho
Stainless Steel Liner Installation
A stainless steel liner is the right fix for most Jericho homes where the original clay flue tile has cracked or the flue was never properly sized for a gas conversion. We use DuraFlex and Olympia Chimney products, cut and fitted to your exact flue dimensions. On a typical colonial off Cantiague Lane, we’ll run a camera first, show you the spalled tile or condensation damage, then quote a liner sized to your appliance’s BTU output and venting requirements. The job usually takes four to six hours. Done right, and we stand behind it.
Flexible Liner for Offset or Tight Flues
Some of Jericho’s older chimneys have offsets or narrow passages where a rigid liner won’t pass. Flexible liners from DuraFlex solve that. We’ve installed them in cape cods near the Jericho Preserve where the chimney jogged around a second-floor addition, and in split-levels where the original builder left barely enough room. Flexible doesn’t mean flimsy. These are professional-grade, UL-listed products with the same lifetime warranty as rigid stainless. Our Chimney Liner & Rebuild team carries both types on every truck.
Liner Replacement for Abandoned or Mismatched Flues
This is the defining need in Jericho. Your post-war colonial or split-level was built with a clay flue sized to vent an oil-fired boiler and maybe a wood fireplace. When Nassau County’s oil-to-gas conversion wave hit in the 2000s and 2010s, that oversized flue was left abandoned, or worse, a gas appliance was shoved into it without resizing. The result: poor draft, acidic condensation, and terra-cotta tiles spalling from thermal cycling they were never designed for. We see it constantly. We replace the liner with one sized to your actual appliance, decommission abandoned flues properly, and seal them against water and animal intrusion. Nothing is recommended without camera evidence you can see for yourself.
Partial Rebuild for Spalling Brick and Deteriorated Mortar
Jericho’s inland position in Nassau County exposes chimneys to hard freeze-thaw cycles every winter. Nor’easter-driven moisture gets into mortar joints, freezes, expands, and spalls the face right off the brick. A partial rebuild addresses the damaged courses without tearing down a sound structure. We match existing brick where possible, repoint with proper mortar compression, and always inspect the flue liner before we close it back up. Sometimes the brick damage is a symptom, and the liner is the real problem. We tell you which is which, with photos.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Jericho
We don’t use builder-grade substitutes. Our trucks carry professional-grade materials from HeatShield, Gelco, Olympia Chimney, and Famco, among others. That means when we diagnose your Jericho chimney, we’re not ordering parts and making you wait. We’re fitting the right component, manufactured to UL standards, and backing it with our 90-Day Done Right Promise. Fast turnaround matters when you’re trying to get your heating system online before the next cold snap.
Common Chimney Liner & Rebuild Problems We See in Jericho Homes
- Abandoned oil-boiler flues left open and unsealed. After the gas conversion, many Jericho homeowners were told the old flue was “fine to leave.” It’s not. Rain gets in, squirrels nest, and the interior of your chimney becomes a mold incubator. We decommission these properly with a sealed cap and documented camera inspection.
- Gas appliances vented into oversized clay flues without resizing. Your high-efficiency gas boiler needs a narrow, properly insulated flue. An 8-by-12-inch clay tile meant for an oil burner will never create adequate draft. Exhaust condenses on the flue walls, turns acidic, and destroys the terra-cotta from the inside out. We measure, we size, we show you the math.
- Zero-clearance fireplaces misidentified as masonry. On the Jericho Turnpike corridor, a 2000s teardown-rebuild added a factory-built zero-clearance fireplace beside the original masonry stack. Our tech ran a camera down the abandoned oil flue and found spalled terra-cotta tile and a first-degree creosote film from the wood fireplace the family still burned. We installed a DuraFlex stainless liner sized to the gas appliance, decommissioned the old clay flue, and showed the homeowner the camera footage before any recommendation was made. These units look like brick from the street but require manufacturer-specific liners and cleaning protocols. We know the difference.
- Freeze-thaw spalling on post-war brickwork. Jericho’s older colonials have chimneys built with mortar that doesn’t match modern compressive standards. Every winter, water intrusion and refreezing pop the faces off bricks. We catch this on rooftop inspection and recommend partial rebuild before structural failure spreads.
Pricing for Chimney Liner & Rebuild in Jericho, NY
Here’s what chimney liner and rebuild work costs in Jericho’s market:
| Service | Typical Range in Jericho |
|---|---|
| Stainless steel liner replacement (single flue, standard height) | $1,800 - $3,200 |
| Flexible liner for offset or tight flue | $2,000 - $3,500 |
| Liner repair with HeatShield cerfractory sealant | $800 - $1,500 |
| Partial chimney rebuild (2-6 courses, brick match) | $1,500 - $4,500 |
| Full chimney rebuild (above roofline) | $4,500 - $8,000+ |
| Level-2 camera inspection with photo report | $250 - $350 |
Height matters. A two-story colonial with a steep roof costs more than a single-story cape. Accessibility matters too. If we need scaffolding instead of ladders, that adds labor. What doesn’t change: the estimate you approve is the invoice you pay. No surprises on the bill. And nothing gets added without camera evidence you can see for yourself. Some work can safely wait. We’ll tell you when that’s true. Call (934) 348-4832 for an exact quote - estimates are free.
We Also Serve Cities Near Jericho
Our crews work throughout central Nassau County, including Jericho and neighboring Plainview, Syosset, Woodbury, and East Norwich. The same live-answer phone, same camera-documented inspections, same 90-Day Done Right Promise applies whether you’re off the Jericho Turnpike or the Seaford-Oyster Bay Expressway.
Serving Jericho, NY - Our Local Coverage Area
We’re based in the Jericho 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 - Chimney Liner & Rebuild in Jericho
Yes, if the new gas appliance is still venting into that original clay flue, it needs a properly sized liner or the flue needs formal decommissioning. The oversized clay tile meant for oil exhaust will never generate correct draft for gas, and the acidic condensation will destroy what’s left of the terra-cotta. We see this exact scenario in Jericho split-levels weekly. Call (934) 348-4832 for an exact quote - estimates are free.
Look at the firebox. Masonry has visible brick or stone all the way through, with mortar joints you can feel. Factory-built units have a metal firebox with refractory panels, often with a manufacturer’s label (Heatilator, Lennox, Superior) on the opening or behind the lower louver. Many Jericho teardown-rebuilds from the late 1990s and 2000s installed these units inside framed chases with brick veneer. We identify the type during our camera inspection and adjust our cleaning and repair protocol accordingly. Call (934) 348-4832 for an exact quote - estimates are free.
A Level-2 inspection covers the full interior flue with a camera, the firebox, smoke chamber, damper, crown, cap, and exterior brick and mortar condition. On a 1950s-70s Jericho colonial, we’re specifically looking for deteriorated terra-cotta flue tiles, proper sizing for current appliances, signs of previous oil-to-gas conversion work, and freeze-thaw damage to mortar joints. You get photos of everything, and a plain-English verdict on what needs attention now, what can wait, and what doesn’t need doing at all. Call (934) 348-4832 for an exact quote - estimates are free.
Third-degree creosote is real, it’s a genuine fire hazard, and it’s common in Jericho wood-burning fireplaces that get used regularly through Long Island’s cold, damp winters. But we don’t ask you to take our word for it. We show you the camera footage. If it’s there, you’ll see the thick, tarry glaze yourself. If it’s first-degree powder, we’ll say so and explain why a standard sweep is sufficient. No upsell, no scare tactics. Call (934) 348-4832 for an exact quote - estimates are free.
Yes. Jericho’s inland Nassau County location gets the full brunt of nor’easter-driven moisture followed by hard freezes. Water penetrates mortar joints, expands when frozen, and spalls brick faces. The liner can be perfect while the structure around it crumbles. That’s why our rooftop inspection checks both. Sometimes you need a partial rebuild and a new liner. Sometimes just one. We show you the photos and explain which is which. Call (934) 348-4832 for an exact quote - estimates are free.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Jericho and Nassau County since 1984.