Exterior Doors

Entrance & Decorative Doors

Beautiful interior, exterior, and storm doors of wood or vinyl - Dash has a huge selection of all styles of doors from the most preferred manufacturers in the business.

Energy Efficient Replacement Windows

Energy Efficient Windows

Replacing old windows with ENERGY STAR qualified windows lowers household energy bills by 7-15 percent. Lower energy consumption also reduces greenhouse effects!

Skylights for home or office

Skylights To Brighten Rooms

Illuminate your rooms with natural lighting with skylights available from Velux and Insula-Dome. Dash has you covered with the top manufacturers.

Additional benefits for replacement windows, doors and home improvments

Beautiful Additions

From elegant crown moulding to octagon windows to accent every room of your home or office, Dash has a huge selection for you to choose from.


Welcome to Dash - Provider of Doors, Windows & Skylights ..........

For many years we have installed doors, windows, and skylights for residential and business structures on Long Island. We conduct business with a diversity of vendors and have satisfied thousands of customers. Dash Windows of Long Island has received dozens of awards, recognition, certifications, and/or is a member of a wide variety of organizations including the Long Island Builder's Institute, Inc., the American Institute of Architects, the U.S. Chamber of Commerce, the Northeastern Retail Lumber Association, and The Better Business Bureau. Dash has participated in the Long Island Home Expo since it's inception and has been published in newspapers including Long Island's Newsday.

Why Dash Windows?

  • Specialization: Dash Windows specializes in Windows, Doors, and Skylights. That’s it! As a result of our continued specific focus, we know everything about our products. Therefore, we can accommodate your needs quickly and accurately. You may contact us by phone, or online by clicking here.

  • Experience: We offer 40 years of Windows, Doors, and Skylight product expertise. Because we have thoroughly evaluated a wide variety of products and corresponding features, we can knowledgably assist you in determining the correct product(s) for your needs. We stock hundreds of brand name products which come with iron-clad manufacturer guarantees.

  • We always provide a well thought out blend of different products and features and present right-on-target suggestions and solutions.

Mission Statement

Dash Windows of Long Island’s ultimate goal is to provide excellent customer service giving them ultimate satisfaction. We are proud of the reputation we have earned by putting the customer first in every aspect of our business. We feel this attitude is what contributes most to our success and to the satisfaction of the customers we serve.


Our Product Line

Entrance Doors



We understand your needs when adding or changing interior and exterior doors. We offer top quality doors from many manufacturers and are confident one will match perfectly with your vision.

Replacement and new windows



If your windows need replacement, or you are creating a new room for an office or home, Dash provides top manufacturers windows in various styles to suit your needs.

Beautiful and energy efficient skylights



Dash offers a full line of quality skylights with a wide range of glazing, finishing and limitless designs to provide many years of attractive lighting for residential and commercial buildings.

Architectural enhansements for home improvement projects



From crown mouldings to touch up a new kitchen or replacement window, to decorative octagon windows to add interest to a room, Dash has the supplies you desire and quality you deserve..


National Association of the Remodeling Industry

Dash Windows of L.I. Inc. BBB Business Review