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We believe in 100% satisfaction of our clients and strive to go extra miles. We pride ourselves in providing the best windows and doors replacement services in Long Island, New York.

See what our clients have to say about our services.


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5.0

Excellent work...

Linda Theisinger


Excellent work. Presented estimate, product, choices and definition of installation specifications in clear, concise manner. Window installation performed in exceptional manner and results exactly as described. Highly recommended.


Did We Do Work For You? Yes
Massapequa, Long Island
July 27th, 2017

5.0

Outstanding Experience...

Gina Bergdoll


After extensive research, I decided to go with NSE Windows because they had a superior product at competitive prices. From start to finish, everything was handled with extreme professionalism. They were happy to work with our scheduling needs, as well as our request for them to start in a specific room. They were also extremely mindful of our cats, which allowed us to not have to lock them up for the better part of the day. You certainly should do your homework when deciding on a window-install company, but NSE Windows is the right choice for anyone.

Did We Do Work For You? Yes
Bellmore, Long Island
June 9th, 2016


5.0

Best Services so far ... ...

Tammy Lakchakov


I would like to take my time to Thank NSE WINDOWS, i had my windows installed them today trough my whole house and i love it. The view is amazing like a Million dollar. The staff were amazing very neat and clean,the installed windows are very professionally done. I personally highly recommend everyone to order your future windows from NSE WINDOWS. Thank you so much for your professional experience!!! Tammy L


Did We Do Work For You? Yes
Flushing, Long Island
January 25th, 2016

5.0

Great Job...

Ron Goldstein


We went in to look at some expensive windows and Joe, the owner, suggested another window that was less expensive, but meet the needs of our problem of air leaks from the wind. We decided to buy 7 windows and within the time Joe said they would be ready, they were on their way. The men were very professional in the way the way the windows were installed and clean up was beautiful. hey did a great job. The windows have done a GREAT job in keeping out the air just as Joe said they would. I plan to buy more windows from NSE as the needs arise.


Did We Do Work For You? Yes
Syosset, Long Island
December 10th, 2015


5.0

Beautiful on the inside as the outside...

Dorothy Nocerino


This is my new bow window! It looks as beautiful on the inside as the outside. This was a much needed home improvement. Thanks NSE Windows!


Did We Do Work For You? Yes
Massapequa Park, Long Island
October 14th, 2015

5.0

Very nice experience...

Sandra Reichbach


I was very happy with the work they did for me. Very nice experience.


Did We Do Work For You? Yes
Valley Stream, Long Island
September 1st, 2015


5.0

Excellent job replacing my windows...

Gwen Pilson


I love my new windows. NSE Windows did a excellent job replacing my windows. I had 26 windows replaced and the installers were quick and professional. They were a pleasure to do business with.


Did We Do Work For You? Yes
Merrick, Long Island
June 17th, 2015

5.0

Best Windows and Sliding Doors Replacements Compa...

Phyllis Rein


I would like to share my positive experience with NSE Windows. I recently purchased windows by Marvin to replace all my existing windows and glass sliding doors in my house. The non-pressure sales team was extremely knowledgeable about the product and confident that the windows would be functional as well as provide the look that I wanted to maintain. The windows included a Lifetime Warranty, which was an important factor on my decision process. The install team was very professional as they were on-time, courteous and provided a clean install and clean-up. Once all the windows were installed they reviewed all the features of the windows and made sure I was completely satisfied with the job. I would highly recommend NSE windows to all.


Did We Do Work For You? Yes
Holbrook, Long Island
May 12th, 2015


5.0

Professional, courteous and trained staff...

Driss Karimealaoui


When I decided last month to fully replace the windows for my home I was a little anxious when you hear situations with contractors are not as they should be. Well that was definitely not the case with Joe Mauceri and his professional, courteous and trained staff at NSE Windows. We could not be more pleased with not only the quality of the Soft-Lite Windows which we selected to be our replacement window but the overall experience we had after receiving the most favorable of quotes from NSE. The price was wonderful and the work was done with true craftsmanship and it was done on time. They did everything they said they would do including providing a guarantee for their work and the price was just right. This was important in today’s economic environment trying to save money and getting a job done right is not always so easy but having this experience has really made me a believer and I would recommend this firm to anyone and have already provided his card to a number of my neighbors and friends.


Did We Do Work For You? Yes
Plainview, Long Island
March 18th, 2015

5.0

Absolute excellent product for the money...

Gina Isaacson


Joe took as much time as possible to describe his competitors to us and we felt as conscience homeowners that we were receiving an absolute excellent product for the money, hands down!


Did We Do Work For You? Yes
Massapequa, Long Island
February 12th, 2015


5.0

Very friendly and knowledgeable...

Lori Marcus


I just had my soft-lite windows installed. The crew did an excellent job with the installation and clean-up. Very friendly, knowledgeable, and helpful group of people. Joe is terrific from beginning to end, and will give you a great cleaning demonstration if you ask.


Did We Do Work For You? Yes
Woodbury, Long Island
January 16th, 2015

5.0

Beautiful job...

Janice Nuccio


The installers did a beautiful job and were very neat. The owner, Joe, was very easy to communicate with and very pleasant to work with.


Did We Do Work For You? Yes
Massapequa, Long Island
December 17th, 2014


5.0

The overall experience was positive....

Frederick Vogel


The installers were prompt, arriving when scheduled and leaving the house neat, clean and orderly. They were very knowledgeable about the product and were helpful with advise on maintenance, etc. The overall experience was positive, from first signing up for the installation, until the very end when the job was complete.


Did We Do Work For You? Yes
Oceanside, Long Island
November 20th, 2014

5.0

Pleasure to deal with...

Joel Papush


NSE Windows did a great job replacing 2 large windows with superior Marvin products. The installers were excellent and provided an extensive cleanup after the work was completed. NSE’s President, Joe Mauceri, was also a pleasure to deal with!


Did We Do Work For You? Yes
Plainview, Long Island
October 6th, 2014


5.0

NSE did a great job installing the windows...

Steve Drexler


I had the Marvin fiberglass casement windows installed. My other choices included Anderson and Vinyl. These windows will last longer than wood and be stronger. They look much better than vinyl and should last much longer than vinyl. NSE did a great job installing the windows


Did We Do Work For You? Yes
Laurel, Long Island
June 3rd, 2014