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Chimney & Fireplace Services in Stamford, CT — Local Expertise

✦ Reviews

Honest Feedback from Our Clients

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Colin Paterson profile picture
Colin Paterson
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We had a great experience with Joe and team. Very responsive and thorough - he provided a detailed estimate on all the work needed to be done (we needed a complete rebuild from roofline). The team did a great job and are clearly very good at what they do. They were in and out in two days and their quote was beyond reasonable. Highly recommend.
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Joseph Wendover profile picture
Joseph Wendover
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I had a great experience with GMT Chimney Services. They were extremely responsive and able to come out quickly when I needed help after a bird got stuck in my chimney (thankfully it was fine!). They cleaned my gas fireplace, removed bird nesting and debris from the chimney pipe, and installed a new cover to prevent future issues. The team was professional, neat, and made sure everything was cleaned up before they left. Overall, they were easy to work with and did a thorough job. I would definitely recommend them to anyone needing chimney or fireplace services.
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Natasha Setschinsky profile picture
Natasha Setschinsky
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Alex and Juan were so professional and kind and did the job in a timely manner!!!!
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Dylan Kniska profile picture
Dylan Kniska
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Juan and Alex did a phenomenal job servicing our chimney. Polite, professional and a darn good job! Spent extra hours on the job and made sure everything was working correctly! 5 stars!
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Spencer McCauley profile picture
Spencer McCauley
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Great experience!! Joe and Alex were awesome ... extremely nice, honest, and upfront about everything. The price was very fair, and they worked hard to make sure the job was done right. It’s refreshing to find a company that’s so kind, reliable, and affordable. Highly recommend!!
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Trevor Flanagan profile picture
Trevor Flanagan
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The staff at GMT are professional, well educated, dog friendly, flexible with scheduling and ensure priority to jobs that need it. They use USA made products sourcing from the local community, offering lifetime warranties on most of their products, while also still maintaining very reasonable pricing. Their customers safety and satisfaction are first and foremost and it shows throughout their whole team. Joe came out on a Sunday for my estimate and by Friday of the same week I had my chimney lining replaced, everything detailed cleaned, and a new cap installed.
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Jackie R profile picture
Jackie R
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Joe came to do an initial inspection for my fireplace/chimney and was very informative! I appreciate the time taken to explain the current state of my fireplace and recommendations!
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Jennifer Garcia profile picture
Jennifer Garcia
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After searching for a chimney sweep company that were available to diagnose and repair before the inclement weather arrived, was extremely difficult. But GMT were able to arrive that same night. GMT estimated and fixed my whole situation before the snow touched the ground. I had an emergency situation with a roof replacement I previously had with another company gone bad. CO leaking in and unable to stay in my home. GMT secured the work done the very next day. My family and I were able to come back home after one night out. They were professional and fast in freezing temperatures. Town inspection passed. Service you can count on. Definitely reliable and compassionate. Highly recommend.
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Destinie Marie profile picture
Destinie Marie
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Great experience overall. Joe and Alex were professional, responsive, and easy to work with. Everything was handled smoothly would definitely recommend.
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nicole henderson profile picture
nicole henderson
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Wonderful service. Even showed me how to start a better fire in my wood stove and checked everything to make me more comfortable. Highly recommend!

Chimney Inspection

“If my fireplace worked fine last winter, what could change?”

We hear this question often from Stamford homeowners. A chimney can perform well one season and quietly develop issues the next, especially after storms, moisture exposure, or heavy use.

What usually changes first isn’t performance — it’s condition. Creosote builds unevenly, liners begin separating at joints, or moisture starts working into crowns and masonry.

During inspections, we look closely at the flue, liner, smoke chamber, crown, flashing, masonry joints, and damper. Each area tells us how the chimney handled the last season.

In a home near Springdale, an inspection revealed early liner wear that hadn’t affected draft yet. Addressing it early prevented smoke issues before the next winter.

 Conditions change quietly — inspections keep you ahead of them.

Chimney Repair

“Why fix parts of a chimney that aren’t broken yet?”

This is a fair question, especially when the chimney still looks solid. The reality is that chimneys often continue working even as internal components weaken.

Mortar joints break down, crowns absorb moisture, and liners develop hairline damage. Repairs focus on stabilizing these areas before they compromise venting or structure.

Near Glenbrook, repointing failing mortar and sealing the crown stopped moisture from spreading deeper into the chimney system.

 Repairs done early protect the whole structure, not just the surface.

Chimney Cleaning

“How do I know when buildup has become a problem?”

Most homeowners don’t see buildup — they feel it. Fires start slower, smoke lingers, or faint odors appear even when the fireplace isn’t in use.

Even light burning leaves creosote behind, and unused chimneys collect moisture and debris that restrict airflow.

On High Ridge Road, a cleaning removed layered creosote that had narrowed the flue. Once cleared, draft returned to normal and odors disappeared.

 Clean chimneys move air the way they’re designed to.

Chimney Maintenance

“What does chimney maintenance actually prevent over time?”

Maintenance slows wear before it becomes damage. In Stamford homes, that usually means checking caps, crowns, flashing, liners, and masonry joints — especially after seasonal storms.

Small adjustments help keep moisture out and components aligned.

Near North Stamford, early flashing wear was corrected during routine maintenance, preventing interior moisture issues during the next heavy rain.

 Maintenance keeps chimney behavior predictable year after year.

Level 2 Chimney Inspection

“When should I consider a more detailed chimney inspection?”

A deeper inspection is usually recommended after major storms, during home sales, or when heating appliances change. Camera equipment lets us examine internal flue areas not visible during a standard check.

This helps identify hidden liner damage or obstructions that could affect safety or documentation.

In a Downtown Stamford condo conversion, a Level 2 inspection uncovered an internal offset that needed correction before closing.

 When circumstances change, details matter.

Chimney Crack Repair

“Do hairline cracks actually get worse over time?”

Yes — especially with Stamford’s freeze-thaw cycles and moisture exposure. Small cracks allow water into masonry, where expansion slowly weakens surrounding materials.

In a home near Shippan Point, early crack repair and crown sealing prevented moisture damage from spreading into the chimney stack.

 Small cracks are easier to manage before winter gets involved.

Chimney Leak Repair

“Why do chimney leaks show up even after roof repairs?”

Because chimney leaks usually start at different points. Crowns, flashing, and missing caps are common sources — especially in wind-driven rain near the coast.

On Cove Road, sealing the crown and correcting flashing resolved staining that roof repairs hadn’t addressed.

 Finding the right source stops leaks from returning.

Chimney Cap Installation

“What changes once a chimney cap is installed?”

Caps reduce moisture entry, block animals and debris, and help stabilize airflow during windy conditions.

A home near Shippan Avenue dealt with repeated bird nesting issues. Installing a stainless-steel cap solved the problem and improved draft consistency.

 A small addition at the top protects everything below it.

A Steady Approach to Chimney Care in Stamford

Every chimney in Stamford faces different exposure based on location, height, and how it’s used. One thing remains consistent: most chimney problems stay manageable when they’re understood early and handled with thoughtful care. With over 12 years of experience, our CSIA (Chimney Safety Institute of America) and NFPA certified specialists provide inspections, repairs, cleaning, maintenance, and installation services that reflect what careful, locally grounded chimney care should look like when it’s done right.