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.
HeatShield Flue Liner Replacement: The Haverhill Owner’s Guide
We stock and install HeatShield-compatible flue liner replacement parts for homes across Haverhill, and a typical installed repair runs between $1,400 and $3,200 depending on liner length, diameter, and how much of the old system has failed. Most HeatShield liner jobs we do in Haverhill are completed in a single day, since we keep the common sizes on the truck. The way owners usually find us is a water stain on the ceiling near the chimney, a flaky rust-colored dust at the base of the firebox, or a sweep (sometimes us, sometimes another outfit) who ran a camera up the flue and showed them exactly where the liner has cracked or separated. If you know the HeatShield product is failing, this page tells you what comes next, what it costs, and what we actually recommend once we get eyes on it.

Key Takeaways
- HeatShield flue liner replacement in Haverhill typically costs $1,400 to $3,200 installed, parts and labor included.
- We stock common HeatShield-compatible liner sizes on the truck, so most Haverhill jobs are done same-day.
- We’re an independent local shop, not affiliated with HeatShield, which means we’ll tell you plainly when a repair beats a full replacement.
- Every job is backed by the 90-Day Done Right Promise, in writing, and Wendell Pike’s name is on the work.
Which HeatShield Models This Applies To
HeatShield’s flue liner product line covers a few distinct setups, and the replacement path depends on which one you have. The most common in Haverhill homes is the Cease Fire liner, which runs in diameters from 4 inches up to 13 inches, with 6-inch and 8-inch being the sizes we pull off the truck most often around here. There’s also the HeatShield joint-repair system, which uses a cerfractory foam to seal cracks and gaps inside an existing clay or metal liner, and the HeatShield rebuild system for when the original liner is beyond patching. If you still have the original install paperwork, the spec sheet will list your liner’s model and diameter. If you don’t, we measure the flue diameter at the top of the chimney and match the replacement to that dimension. One gotcha we run into in Haverhill’s older colonials: an 8-inch clay flue might have been sleeved down to a 6-inch stainless liner at some point, so the visible cap size doesn’t always match what’s actually inside. We confirm with a camera before we quote any part.
For the HeatShield name specifically, the question of OEM versus aftermarket matters less than it does with some other brands. HeatShield’s cerfractory repair products are proprietary, and there’s no honest equivalent for those. But the stainless steel liners HeatShield specs for rebuilds and replacements are 316L-grade flex liners, and several reputable manufacturers make that exact grade. We stock DuraFlex and Gelco liners alongside HeatShield-compatible rebuild components, and we will tell you in plain language which one suits your chimney and your budget. Sometimes the OEM HeatShield part is the right call. Sometimes a 316L liner from DuraFlex gets you the same performance for less. You’ll hear our recommendation, not a brand pitch.
Signs Your HeatShield Flue Liner Replacement Is Failing
- Rust-colored flakes or dust at the base of the firebox. This is 316L stainless or the surrounding components breaking down under heat and moisture. In Haverhill, the freeze-thaw cycle wicks moisture into the chimney chase and accelerates this. A little dust means surface corrosion; chunks mean the liner wall is compromised.
- Water staining on the ceiling or wall near the chimney chase. A failed liner lets flue gases condense inside the chase, and that condensation carries acidic creosote into the framing. By the time the stain shows on drywall, it’s been working for a while. We see this most often in the old colonials up near Bradford and along the Merrimack riverfront, where chimneys run through the center of the house.
- A smell like a damp campfire inside the house, even when you haven’t burned in days. That’s creosote-laden moisture seeping back through the liner seams. It gets worse in damp weather, which Haverhill gets plenty of from March through May.
- Visible gaps, cracks, or separation when you shine a light up the flue from the firebox. HeatShield’s joint-repair system is designed to stop exactly this, but when the cerfractory foam fails or the original clay tile has shifted, you’ll see daylight where you shouldn’t.
- The liner you can see from the top of the chimney looks flaky, warped, or pulled away from the flue tile. This is the one homeowners catch from the ground with binoculars. If the cap is off and the liner looks like it’s peeling, the stainless has been running hot.
Replacement Cost & What’s Included
For a Haverhill home, here’s where the price lands. A straightforward HeatShield-compatible liner replacement in a single-story chimney with easy roof access runs $1,400 to $1,900. A two-story colonial with a steep pitch, a longer flue run, or a chase that needs partial disassembly pushes that to $2,400 to $3,200. Those numbers include the liner, the connection hardware, the drop cloths, the cleanup, and a camera inspection before and after so you see exactly what we saw and what we fixed. The price we quote before we pull a single tool off the truck is the price on the invoice. No surprise line items.
One thing that drives cost in Haverhill specifically is the age of the original flue tile. Many homes built between 1900 and 1960 have unlined or clay-tile flues, and if the clay has shifted, the replacement liner has to be sized and routed around that. We will show you the camera footage and tell you if the job can be done with a standard pull-down liner or if we need a different approach. If it doesn’t need a full replacement and a HeatShield joint-repair will hold, we’ll say so and charge you for the repair, not the rebuild. That’s the whole point of working with an independent shop.
| Scope | Typical Installed Price in Haverhill |
|---|---|
| Single-story, easy roof access, standard 6″ or 8″ liner | $1,400 - $1,900 |
| Two-story chimney, longer flue run, or steep roof pitch | $2,200 - $2,800 |
| Chase repair or partial disassembly required | $2,800 - $3,200+ |
| Second opinion on another company’s written estimate | Free |
DIY or Call Us?
What you can safely check on your own: shine a bright flashlight up the flue from inside the firebox and look for obvious gaps, flaking metal, or sections that look pulled away from the tile. Look at the chimney cap from the ground with binoculars and note any warping. Check for water stains near the chimney chase inside the house. That’s where the safe DIY ends. Pulling and replacing a flue liner means working on a roof, often a steep one, and if you’re doing it from the top you’re handling a flexible stainless liner that can be 20 to 35 feet long. If it drops, it doesn’t just damage itself; it can take out a section of flue tile on the way down, and you don’t want to be the one fishing a twisted liner out of a chimney with a rope and hope. This is one of those jobs where the margin for error is thin and the house is on the line. Call us at (978) 724-7935 and we’ll quote it straight.
FAQs
A properly installed 316L stainless liner on a well-maintained Haverhill chimney will give you 15 to 25 years, sometimes more. The New England freeze-thaw cycle and the damp air off the Merrimack shorten that compared to drier climates, which is why annual inspections matter. If your liner failed early, the usual culprits are an oversized appliance running too hot, a clogged cap, or installation that didn’t account for the original flue tile condition. Call (978) 724-7935 and we’ll tell you what yours is actually doing.
Sometimes, yes. If the damage is limited to cracked joints or small gaps, HeatShield’s cerfractory repair system can seal those without pulling the liner. We stock HeatShield repair components and will recommend the repair when it will genuinely hold. If the stainless itself has failed or separated, a patch won’t buy you more than a season, and we’ll tell you that too.
Most single-day jobs in Haverhill run from 3 to 6 hours on site, including the before-and-after camera inspection and cleanup. Steep roofs or chase disassembly can stretch it into a second morning. We’ll give you a real arrival window before the job, and if that window slips, someone calls you.
We keep the common sizes, 6-inch and 8-inch, on the truck along with HeatShield repair components, so most Haverhill jobs are done same-day. Unusual diameters or custom chase configurations might need a few days’ lead time, and we’ll tell you that before we schedule. Call (978) 724-7935 and we’ll check the truck while you’re on the phone.
Call for a Straight Quote
If your HeatShield liner is failing or you just want to know whether it is, call Top Hat Chimney at (978) 724-7935. Wendell Pike and his crew serve Haverhill and the surrounding towns, and we’ll give you a no-pressure quote and a plain-English verdict. If it doesn’t need doing, we’ll tell you that too. And every job we complete comes with the 90-Day Done Right Promise, in writing, with Wendell’s name on it.
Written by Wendell Pike, Owner, Top Hat Chimney at Top Hat Chimney, serving Haverhill and nearby areas.





Before
After
Before
After
Before
After