Our most popular, hands down
400 Series windows
It's no surprise millions of homeowners have chosen 400 Series windows. Built on decades of engineering and design, these products simply work, every single day.
Window Features
- ENERGY-SAVING GLASS FOR ANY CLIMATE - Andersen 400 Series windows and patio doors with options that make them ENERGY STAR v. 6.0 certified throughout the United States.
- RIGOROUSLY TESTED - The exclusive Andersen Perma-Shield system gives our windows and doors a tough, protective shell that safeguards the wood inside. It repels water, resists dents* and stays beautiful for years.
- LOW MAINTENANCE, NEVER NEEDS PAINTING - The Perma-Shield exteriors on Andersen 400 Series windows and doors offer superior weather resistance and are virtually maintenance free.
- OPTIONS FOR THE HARSHEST WEATHER - 400 Series windows with Stormwatch Protection meet building code requirements in coastal areas.** Products with Stormwatch Protection are energy efficient, resist the effects of salt water, and stand up to hurricane-force winds and wind-borne debris.
- QUALITY SO SOLID, THE WARRANTY IS TRANSFERABLE - Many other window and door warranties end when a home is sold, but our coverage - 20 years on glass, 10 years on non-glass parts - transfers from each owner to the next.
Download our Limited Lifetime Warranty 
CONTRACTOR'S CHOICE
Andersen 400 Series are the most recommended clad wood windows by contractors (according to a 2022 Andersen brand survey of U.S. contractors). Energy efficiency is built into every window. We have options to help you meet the performance level you need.
ENVIRONMENTALLY RESPONSIBLE
Andersen 400 Series are available in the following styles:
Casement Windows
The crowd-pleasing casement window
The 400 Series casement window is a best-seller for a reason. It has plenty of options to fit the look and feel of your home, all while bringing in up to 6-feet of floor-to-ceiling fresh air.
Most Popular Interior Colors:
White
Black
Dark Bronze
Pine
Available Options:
White
Sandtone
Terratone
Forest Green
Canvas
Dark Bronze
Black
Folding Lock & Keeper
Colonial
Modified Colonial
Prairie
Short Fractional
Picture Windows
The crowd-pleasing picture window
You can make this picture window look classic or contemporary, combine it with matching windows and use it to frame your best views. Its no wonder its our most popular picture window.
Most Popular Interior Colors:
Black
Dark Bronze
Pine
Available Options:
White
Sandtone
Terratone
Forest Green
Canvas
Dark Bronze
Black
Colonial
Modified Colonial
Prairie
Short Fractional
Tilt-Wash Double Hung Windows
The crowd-pleasing double-hung window
Its easy to see why this is a best-seller. It balances the timeless look of a double-hung window with modern design options to better fit the look and feel of your home, no matter its style.
Most Popular Interior Colors:
Black
Dark Bronze
Pine
Available Options:
White
Sandtone
Terratone
Forest Green
Canvas
Dark Bronze
Black
Standard Lock & Keeper
Estate Lock and Keeper
Colonial
Colonial Top Sash Only
Prairie
Prairie Top Sash Only
Short Fractional
Diamond
Diamond Top Sash Only
Gliding Windows
Low-maintenance and energy-efficient.
The 400 Series gives you plenty of design options to fit your home. And since it stays flush with your wall when open, its a great option for spaces that face walkways, porches or decks.
Most Popular Interior Colors:
White
Black
Dark Bronze
Pine
Available Options:
White
Sandtone
Terratone
Forest Green
Canvas
Dark Bronze
Black
Rotating Sash Handle
Colonial
Modified Colonial
Prairie
Diamond
Short Fractional
Specialty Windows
The one that doesn't open, but comes in fun shapes
Often used as a design statement
A shape to fit even the most unique personalities
Awning Windows
The crowd-pleasing awning window
Our best-selling awning window can fit the look and feel of almost any home. It can stand on its own or be paired with a picture window. Because of how it opens, it can give you a breath of fresh air, even on a rainy day.
Most Popular Interior Colors:
Black
Dark Bronze
Pine
Available Options:
White
Sandtone
Terratone
Forest Green
Canvas
Dark Bronze
Black
Contemporary Folding
Colonial
Prairie
Diamond
Bay & Bow Windows
Let the light in
400 Series bay and bow windows feature all of the individual qualities of our Woodwright , double-hung and casement windows. Each is delivered as a complete unit to help speed installation.
Material Wood protected by vinyl or Fibrex composite exterior.
Colors 12 trim colors, 7 exterior colors, and 8 interior colors along with natural, unfinished or stained wood to give you the option of a modern or traditional look.
Sizes Available with casement windows in the following styles: 30 bay, 45 bay and 90 box bay; 10 bow and available with double-hung windows in the following styles: 30 bay, 45 bay. Check out The Essentials under the Tech Specs tab for sizing document links.
Accessories 4 casement bay & bow window hardware styles and 3 double-hung bay window hardware styles with up to 9 finish options. Additional custom trim styles and head profiles, standard and custom grille patterns, as well as blinds between the glass let you personalize the final look to match the character of your home. Andersen offers a variety of options and accessories.
400 Series Casement Bay Window
400 Series Casement Bow Window
400 Series Double-Hung Bay Window
400 Series Woodwright Double-Hung Bay Window
Available Glass Options
Low-E Glass - Reflects heat in the summer and helps keep heat inside in the winter, making this a good choice in climates where both heating and cooling costs are a concern.
Low-E Glass with HeatLock Coating - All the benefits of our Low-E glass, with HeatLock coating applied to reflect heat back into the home for improved thermal performance.
SmartSun Glass - Provides the benefits of Low-E glass, plus helps shield your home from the sun's heat and filters out 95% of harmful UV rays while letting sunlight shine through.
SmartSun Glass with HeatLock Coating - All the benefits of our SmartSun glass, with HeatLock coating applied to reflect heat back into the home for improved thermal performance.
PassiveSun Glass - If you live in a cold climate, PassiveSun glass allows the sun to heat your home.
Dual-Pane Glass - Clear dual-pane glass, which offers basic thermal performance, is also available in situations where codes allow its use. See local code official for requirements in your area.
