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Guaranteed Chimney Service, Inc. – The Best Chimney Care On Eastern Long Island

Winters can get pretty harsh here on Long Island, so regular maintenance of our chimneys and heating appliances is especially important. At Guaranteed Chimney, we’ve been working to keep the chimneys and fireplaces of Eastern Suffolk County looking and working great for over 10 years. With our knowledge and experience, you can trust us to get the job done right! Our goal is to provide the highest level of service at an affordable cost, so that our neighbors can be safe and warm, no matter how brutal it is outdoors! Give us a call — we’ll make sure your system is equipped to provide you with many more years of warmth and enjoyment.

Our Services

At Guaranteed Chimney Service, we’re proud to offer our customers comprehensive chimney and fireplace care. Whether you need a new chimney cap or a complete fireplace installation, we have the skills, tools, and expertise to handle it. We take pride in our work and strive to always meet and exceed the expectations of our customers. Our services include:

Whatever your fireplace or chimney needs, trust Guaranteed Chimney Service for top-notch service at affordable prices. Call us, today!

Our Hearth Store

We know life can be busy, which is why we strive to be a one-stop shop for our customers in Eastern Suffolk County. In addition to our chimney care services, we also offer our clients a large selection of hearth products, including fireplaces, inserts, stoves, gas log sets, and more! To browse our large selection of the best products in the industry, click here!

Our Service Area

Located in Westhampton Beach, Long Island, New York, Guaranteed Chimney Service provides comprehensive chimney and fireplace care to the residents of Eastern Suffolk County. From Shirley to Montauk and Wading River to Orient, we’ve got you covered!

Your chimney and fireplace work hard to keep you and your family safe and warm year after year – make sure you’re doing your part, too! Give us a call at 631-288-9009 today!


Our broad range of services provides all the help you’ll need for your chimney and fireplace systems. Guaranteed Chimney Service lives up to its name!

Certifications/ Associations

Why Choose Guaranteed?

  • Expertise - This is what we do! We focus 100% of our business on all things chimney related. You could even say we are "chimney geeks".
  • Safety, Safety, Safety! - Your safety is our number one priority. We take no shortcuts. We're your neighbors! The owner and crew live, work and play in Eastern Long Island.
  • CSIA Certified Technicians - You get the guys who know right from wrong. Our technicians have been educated, tested and certified by the Chimney Safety Institute of America. There's more to a simple chimney sweep than meets the eye. An educated technician can spot a potential problem and recommend the correct repair - not just sell you something you don't need.
  • Reliable - we keep our appointments. We know your time is valuable. When you schedule an appointment with us, we show up! If unavoidable changes happen, we'll call you.

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