Andersen Windows and Doors | Riverhead Building Supply

Riverhead Building Supply is an authorized dealer of Andersen® windows and doors

Andersen® is the largest window and door manufacturer in North America and is the brand pros trust for dependable, high-performing windows, replacement windows, doors, parts, and accessories. We carry a full line of Andersen products including the 400 Series, A Series, and others.

Andersen is the #1 trusted window and door brand.* Andersen 400 Series are the windows contractors trust the most.** Andersen is the #1 brand for window replacement.***

* 2024 Andersen brand surveys of U.S. contractors, builders, architects & homeowners ** 2024 Andersen brand surveys of U.S. contractors. 2024 Andersen brand surveys of U.S. contractors

Visit a design showroom to see

Andersen products and speak with a Specialist
SHOWROOM LOCATION
Andersen Windows fill this bright kitchen and dining area with natural light through expansive window openings and classic residential design
andewrsen windows and doors

Andersen windows, replacement windows, doors,
parts and accessories

High-quality Andersen products are the perfect choice for any design, function or budget.

  • Series – 400 Series, A-Series, and E-Series
  • Styles — Casement, awning, double hung, gliding, picture, bow, bay, and specialty sizes
  • Materials — Wood, vinyl, composite (Fibrex®), aluminum and fiberglass
Andersen Windows replacement windows enhance this dining room with classic styling, improved energy efficiency, and expansive natural light


Replacement windows
EXPLORE MORE

Replacement window projects are easy with Andersen.

• Insert replacement windows preserve the original frame, exterior trim, exterior siding and interior casing, allowing you to get the latest window performance features while minimizing disruption to your home.

• Full-frame replacement window solutions that go well beyond standard sizing. When insert replacement windows are not an option.

EXPLORE MORE

Andersen Windows coastal windows combine beauty, durability, and storm-ready performance for seaside living


Coastal Windows
LIVE NEAR THE WATER? SPEAK WITH A WINDOW SPECIALIST TO UNDERSTAND YOUR OPTIONS

Coastal windows and doors feature Stormwatch® protection and are specially designed to resist impact from harsh weather.

LIVE NEAR THE WATER? SPEAK WITH A WINDOW SPECIALIST TO UNDERSTAND YOUR OPTIONS

Andersen Windows patio doors enhance this waterfront home with wide openings, elegant design, and uninterrupted views


Patio doors to large
Bi-Fold doors
DESIGN YOUR DOOR USING ANDERSEN'S PATIO AND ENTRY DOOR DESIGN TOOL

Our selection of Andersen doors includes single, multiple panel, gliding, patio doors, storm, and commercial entry styles. Choose from an array of colors, styles, sizes, materials, and finishes. Redefine boundaries with architectural lift and slide doors that open up spaces and connect your indoor areas to the outdoors.

Door and Window Parts and Accessories

Repair a window or door, or enhance its look and performance, with art glass, grilles, window hardware, handle sets, and replacement parts.

DESIGN YOUR DOOR USING ANDERSEN'S PATIO AND ENTRY DOOR DESIGN TOOL

Andersen Windows parts and service support helps maintain window performance with replacement hardware, repair components, and expert assistance


Door and window
parts and accessories
INSTALLATION SERVICES ARE PROVIDED FOR WINDOW REPLACEMENT AND REPAIR - LEARN MORE HERE

INSTALLATION SERVICES ARE PROVIDED FOR WINDOW REPLACEMENT AND REPAIR - LEARN MORE HERE

Installation services are provided for window replacement and repair

EXPLORE MORE

Learn about our many Andersen collections

Breakfast nook featuring Andersen Windows 400 Series windows with rich wood interiors and enduring architectural appeal


ANDERSEN® 400 SERIES

The 400 Series is Andersen’s most popular line of windows and doors. These products combine exceptional performance with style, and are designed to live up to the highest standards.

Andersen Windows A-Series windows combine architectural authenticity, premium craftsmanship, and expansive glass to frame scenic water views and fill this living space with natural light


ANDERSEN® A-SERIES

Energy-efficient Andersen A-series windows and doors reflect authentic architectural style. Choose from an array of window types, wood species, interior and exterior colors and finishes, glass, and hardware.

Living space featuring Andersen Windows E-Series windows with custom colors, expansive views, and premium performance


ANDERSEN ® E-SERIES

Part of the Andersen Architectural Collection, E Series windows and doors are available in dramatic sizes and shapes, custom colors and finishes, exotic woods and more.

Andersen Windows 200 Series black windows frame dramatic outdoor views while adding bold contrast to this modern interior


ANDERSEN® 200 SERIES

Andersen 200 Series wood windows and doors are the ideal balance of design, efficiency, innovation and price. This line offers a range of popular styles and sizes.

Kitchen featuring Andersen Windows 100 Series windows with streamlined design, expansive glass, and reliable performance


ANDERSEN® 100 SERIES

Made with Andersen’s Revolutionary Fibrex® composite material, Andersen 100 series windows and patio doors deliver the craftsmanship you need for less than you may expect.

Andersen Windows Weiland pivot door delivers a statement-making entry with expansive scale and smooth pivot functionality


WEILAND DOORS BY ANDERSEN®

Redefine boundaries with architectural lift and custom sliding doors that open up spaces and connect your indoor living areas to the outdoors.

Visit a showroom and speak with a specialist today

Find a location near you

Connect with a millwork specialist
riverhead building supply logo