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.
DuraFlex Chimney Cleaning in Port Chester, CT | Level Two Chimney Greenwich
We provide independent DuraFlex Port Chester Chimney Cleaning & Sweep and liner service across Port Chester, CT. What separates our DuraFlex work here from any other town: Port Chester’s pre-war row houses and converted tenements put these liners through conditions they were never designed for. If you own a DuraFlex liner in Port Chester, call (516) 399-5497 for a free estimate with a written price before anything starts.
We’ve been servicing DuraFlex sales & service since 2009, and we work on every major model line: AL, PRO, SS, and 316Ti. Our techs know Port Chester’s flues the way a mechanic knows a specific engine block. Corrine Halstead runs our Greenwich-based crew, and she’s spent years inspecting and cleaning chimneys across Fairfield and Westchester counties. The camera goes down every flue, every time. No exceptions. That practice became Clause 4 of the Haven Standard, and it’s been running continuously since 2009.
Why Port Chester Residents Choose Us for DuraFlex Service
DuraFlex liners are everywhere in Port Chester because they were the go-to fix for oil-to-gas conversions in the 1990s and 2000s. Problem is, most installers never adjusted the liner size or type for the flue that was already there. That’s where we come in.
We’re not a DuraFlex authorized dealer. We’re an independent service provider, which means we can tell you plainly when a DuraFlex part is the right call and when an equivalent UL-listed fitting is the smarter use of your money. We keep genuine DuraFlex components stocked for fast turnarounds across Port Chester, from the downtown core up toward the Byram River. Every job gets a written price, a written scope, and a written warranty before we touch a brush. Clause 1 of the Haven Standard. That’s non-negotiable.
Corrine’s background matters here. She studied building systems technology at New York City College of Technology before moving into chimney work full-time. She can read a firebox before the camera even finishes its pass. That’s the person overseeing your Port Chester job.
Common DuraFlex Chimney Cleaning Problems We Solve in Port Chester

- Corrosion pitting from acidic condensate. When an oversized 1920s flue gets a DuraFlex AL liner rated for modern gas, the liner runs too cold. Flue gases condense, drip back down, and eat through the aluminum. We see this constantly in Port Chester’s pre-war two- and three-families. The fix is usually a properly sized 316Ti liner, not another AL.
- Liner buckling at sharp 45-degree offsets. Port Chester row houses have chimney offsets that were cut for coal smoke, never for flexible liners. A DuraFlex liner that kinked during install will restrict draft and trap creosote behind the bend. Creosote removal alone won’t fix it. The liner has to come out and be re-supported.
- Torn or detached insulation blankets. The persistent onshore moisture from Long Island Sound works its way into exposed chimney stacks near the Byram River. Insulation blankets on flexible liners absorb that moisture, then freeze and split. A torn blanket means an uninsulated liner, which means condensation returns and the cycle repeats.
- Gap corrosion at the tee snout connection. On low-BTU gas appliances, flue gases condense at the tee where the appliance connects to the liner. That drip-back corrodes the connection point first. In Port Chester’s converted tenements, we’ve pulled liners that looked fine at the top and were swiss-cheesed at the tee.
- Shared flue liability in multi-family buildings. One exterior stack often serves heating units in two or three separate apartments. Nobody knows who owns the flue, so nobody sweeps it. We document what the camera shows, write up who’s responsible for what, and leave a photo record so the building has a paper trail. Clause 4 of the Haven Standard.
Before
AfterDuraFlex Service in Port Chester: What Local Conditions Mean for Your Equipment
Here’s what makes Port Chester genuinely different. Between Westchester Avenue and the waterfront, blocks of two- and three-family houses share single exterior chimney stacks across multiple apartments. The original terra cotta liners were installed for coal. When those buildings converted to oil, and later to gas, the flues were almost never relined. Now you’ve got a modern low-BTU gas unit venting into a flue sized for a coal fire. A DuraFlex retrofit into that setup has to be sized for the lowest common draft, not the largest flue. Get that wrong and the liner never reaches proper temperature, condensate forms constantly, and the liner corrodes from the inside out. Most companies in suburban Westchester never deal with this. We do, on a weekly basis, in Port Chester specifically.
Corrine’s signature phrase applies here: “The camera doesn’t guess. Neither do we.” When we scope a shared Port Chester flue, we measure, we photograph, and we write up exactly what the liner needs before we quote a dollar figure.
DuraFlex Models & Products We Service in Port Chester

We clean, inspect, and Chimney Repair - Port Chester for all four major DuraFlex model lines: AL (aluminum, common on gas conversions where it should rarely be used), PRO (insulated flexible stainless), SS (rigid stainless), and 316Ti (high-grade stainless with titanium stabilization for condensate resistance). We install genuine DuraFlex components whenever the liner is structurally sound. When lead times or discontinued sizes create a problem, we use equivalent UL-listed stainless or galvanized fittings and tell you exactly what we’re doing and why. We will not reline a shared multi-flue chimney without first addressing the masonry host. A new liner in a crumbling stack is wasted money.
We stock common DuraFlex tees, snouts, caps, and insulation blankets locally for fast Port Chester turnaround. If we don’t have it on the truck, we usually have it within a day through our buying network.
DuraFlex Service Pricing in Port Chester
A chimney sweep on a DuraFlex-lined flue in Port Chester typically runs $190 to $320, depending on liner condition, creosote class, and roof access. If the camera finds liner damage, repair quotes are written separately with line-item scope. We don’t bundle sweeping and repair into one number so you can’t see what you’re paying for.
What drives the cost: Class III creosote buildup requires extra time and rodding. Shared flues serving multiple units take longer to document properly. Waterfront-adjacent chimneys with spalled crowns or deteriorated flashing add masonry work.
A free estimate includes a camera inspection, a written price, and a written scope. Call (516) 399-5497 and we’ll get you on the schedule.
Serving Port Chester, NY - Our Local Coverage Area

We’re based in the Port Chester 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 - DuraFlex Chimney Cleaning in Port Chester
Because an aluminum liner was likely installed into an oversized coal-era flue that never gets hot enough to prevent condensation. The condensate is acidic and eats aluminum from the inside. The fix is a 316Ti stainless liner sized for the appliance’s actual BTU output and draft, not the flue’s physical size. We document this with camera photos before we recommend anything. Call (516) 399-5497 for a free estimate with a written price.
Yes. We run a camera down the flue from the top and from the appliance connection. That shows us the liner’s interior condition, the tee connection, and any offsets where kinking or buckling has occurred. No demolition needed. The photo record is included on every visit under Clause 4 of the Haven Standard.
It’s a shared-flue problem with a DuraFlex component. When one exterior stack serves multiple apartments, draft failure in one unit sends smoke into another. The liner may be intact, but if it was sized for the original coal configuration and never properly relined for gas, draft is compromised. We document what the camera shows and write a report the building can use to assign responsibility. The camera doesn’t guess.
Usually, yes. Port Chester’s salt-laden onshore air accelerates mortar erosion and spalling on exposed crowns. A liner installed in a chimney with failing mortar joints won’t stay sealed. We address the masonry host first, then install the liner. We’ll quote both scopes separately in writing so you see exactly what each costs.
The tee snout connection, where flue gases condense and drip back onto the liner. Near the Byram River and Long Island Sound, the added moisture load accelerates that corrosion. We see more failures at the tee than anywhere else in Port Chester’s waterfront blocks. A camera inspection pinpoints the exact location before we recommend repair or replacement. Call (516) 399-5497 for an appointment.
Service Areas Near Port Chester

We serve Port Chester and the surrounding communities: Port Chester service area, DuraFlex service in Greenwich, DuraFlex service in Byram, Riverside, Cos Cob, and Rye Brook. If your chimney sits in any of these towns, the same camera-documented process applies.
Book Your DuraFlex Service in Port Chester Today
Call (516) 399-5497 and we’ll schedule your DuraFlex chimney cleaning or inspection. Every job starts with a camera, ends with a written photo record, and includes a written price before anything starts. If it’s not done right, the 365-Day Done Right Promise applies. No fine print.
Written by Corrine Halstead, Owner at Level Two Chimney Greenwich, serving Port Chester since 2009.





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