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Nassau/Suffolk
(516) 858-2492
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Queens  (718) 618-6543
Westchester  (914) 610-4390

Why Window World of Long Island?

Choose Long Island’s #1 name in home improvement.

Renovate With The Industry's Best
Ready To Get Started?

The Easy Choice For Home Improvement

Let’s Create Your Vision, Together

We’re dedicated to providing you with the best replacement products by using industry-leading materials and superior craftsmanship that last. Whether you’re in need of a minor or major home update, our team of experts provides exceptional customer service to ensure you’re fully satisfied from start to finish.

Finding New Ways to Serve You

Virtual Consultations

In these unprecedented times, we’ve worked hard to continue providing the service you’ve come to expect from Window World while keeping you and our staff safe. We’re proud to be one of just a few in our industry that are offering virtual consultations.

From the comfort and safety of your home, you can now video chat with a Window World of Long Island design consultant to discuss your home, your goals, and learn which Window World products would best meet your needs.

A Company & Product You Can Count On

Our products are energy efficient and ENERGY STAR® certified
Professional installation and exceptional craftsmanship
We offer the industry’s strongest warranty for years to come

Your Local Leader In Home Remodeling

Finally, a home improvement company that checks all the boxes. See what makes us Long Island’s number one choice for replacement products.

Locally Owned & Operated

Window World of Long Island loves the city they call home. We think it improves the customer service experience by having local and personal service.

Good Housekeeping Seal

To earn the Good Housekeeping Seal, products must undergo review from scientists and engineers at the Good Housekeeping Institute. Window World has consecutively earned this seal for 8 years.

ENERGY STAR® Partner

ENERGY STAR is a program dedicated to saving money and protecting the environment. Our products are energy efficient and you can find the ENERGY STAR label on a number of our windows, doors and siding.

The Brand of Choice

  • Our crew has participated in an Installer’s Certification Program. Our trained installation experts will come to your home and install your window correctly, rain or shine, while adhering to strict industry standards.
  • Our products are custom made for your home. We offer a wide variety of colors and styles for you to make your space as personal as possible.
  • Our window products are properly installed and sealed to keep the harsh conditions out and the comfort in so that you always feel safe and protected.
  • Receive guaranteed low pricing always. Our windows, doors, siding and roofing are not only durable but also affordable.

Boost Your Home’s Energy Efficiency

Window World windows do more than add to your home’s curb appeal. They increase your home’s energy efficiency, which saves you money on your electric bill every month while keeping your home more comfortable year-round. Watch the video to the right to learn more about the benefits of energy-efficient windows.


A Reputation Of Excellence

See Our Accolades And Awards

Made In America

We proudly offer American-made windows, doors, and siding made with the highest quality and craftsmanship.

Award-Winning

We have won numerous awards and accolades from Good Housekeeping, ENERGY-STAR, the EPA and more!

Built to Last

Our custom-made windows are built so that you are able to enjoy them for years and years to come.

5-Star Google Ratings

What Your Neighbors Are Saying

Jason took the time to answer all my questions and concerns. He never once steered me in any direction, rather he always asked what ‘I wanted.’ As for the installation, the crew was outstanding! They were very courteous, and installed 5 doors and 4 windows in just about 7 hours. They cleaned up well after the installation. My overall rating is excellent.
H. Cardwell
My sales person, Jason, was very professional, knowledgeable, pleasant, and answered all my questions to my satisfaction. The installers, also, were professional, courteous, knowledgeable and pleasant. The installation was not the job I had anticipated, instead they made everything easy for me, and I was extremely pleased with their workmanship.
G. Absher
Sales representative was an excellent communicator and explained things. The men who installed windows were excellent. They did not waste any time installing windows, I thought they were great.
W. Jones

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