Our most popular, hands down
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.


Customizable options
Exterior colors, hardware options and finishes, grille patterns, sizes and more.
Low-maintenance
Vinyl-clad exteriors never need painting.
Energy efficient
400 Series products offer superior energy efficiency to help lower heating and cooling bills.
Easy operation
400 Series products are easy to use every day
Strength that lasts2
We use the right materials, including solid wood and vinyl, for superior strength inside and out.
Weather resistance
No matter where you live, sealing out drafts, wind and water is at the heart of our product’s construction.3
400 Series windows by type
- Awning
- Bay & Bow
- Casement
- Tilt-wash double-hung
- Gliding
- Picture
- Specialty
400 Series doors by type
- French & hinged
- Gliding patio
Awning windows
What: The one that cranks open from the bottom
Where: Often placed higher on walls for privacy and air flow
Fun Fact: Can stay open in the rain so you hear the pitter patter & feel the fresh air
Where: Often placed higher on walls for privacy and air flow
Fun Fact: Can stay open in the rain so you hear the pitter patter & feel the fresh air
Bay & bow windows
What: The cozy nook with at least three windows
Where: Most often used in living rooms and bedrooms
Fun Fact: Angled out beyond the house wall, for extra space inside
Where: Most often used in living rooms and bedrooms
Fun Fact: Angled out beyond the house wall, for extra space inside
Casement windows
What: The one that cranks open
Where: Popular above kitchen sinks because they're so easy to open
Fun Fact: Can be as big as 8 ft. tall for more light and fresh air
Where: Popular above kitchen sinks because they're so easy to open
Fun Fact: Can be as big as 8 ft. tall for more light and fresh air
Tilt-wash double-hung windows
What: The one that slides up and down
Where: Often placed... well, everywhere
Fun Fact: One of the most common windows in America
Where: Often placed... well, everywhere
Fun Fact: One of the most common windows in America
Gliding windows
What: The one that slides side to side
Where: Often found in kitchens, bedrooms and living rooms
Fun Fact: Like a sliding glass door, but smaller
Where: Often found in kitchens, bedrooms and living rooms
Fun Fact: Like a sliding glass door, but smaller
Picture windows
What: The one that doesn't open
Where: Often combined with windows that do open
Fun Fact: Great way to frame views and fill your space with natural light
Where: Often combined with windows that do open
Fun Fact: Great way to frame views and fill your space with natural light
Specialty windows
What: The one that doesn’t open, but comes in fun shapes
Where: Often used as a design statement
Fun Fact: A shape to fit even the most unique personalities
Where: Often used as a design statement
Fun Fact: A shape to fit even the most unique personalities
French & hinged patio doors
What: The door that swings open
Where: Great for patios, decks and even side entrances
Fun Fact: It can open in or out, either way you'll get outside!
Where: Great for patios, decks and even side entrances
Fun Fact: It can open in or out, either way you'll get outside!
Frenchwood gliding patio doors
What: The one that slides open
Where: Perfect when you don't have space for a hinged door
Fun Fact: Slides left or right, opening to the great outdoors
Where: Perfect when you don't have space for a hinged door
Fun Fact: Slides left or right, opening to the great outdoors
Performance Glass Options
- Low-E4® glass
- SmartSun™ glass
- Sun glass
- HeatLock® coating
Low-E4® glass
Offers excellent energy efficiency for all climates where both heating and cooling costs are a concern.
SmartSun™ glass
Recommended for Southern climates, it provides exceptional energy efficiency by maximizing light and keeping the sun's heat out.
Sun glass
Ideal for warmer Southern climates, it's tinted to block the sun's intense heat.
HeatLock® coating
A special coating that can be applied to any glass option to help heat stay inside your home.
Introducing the contemporary profile option

Contemporary
Embrace clean and geometric lines with the contemporary interior profile.

Traditional
Design for classic character with the traditional interior profile.
400 Series Product Guide
Product guides provide high-level overviews of the features and options available with each Andersen® product series. Additionally, they include detailed information on the construction of each type of 400 Series window and door, along with sizing charts and section details. Product performance data is also included.
Download
View Product Guide
A top warranty in the industry
Every 400 Series window and door comes with one of the industry’s best limited warranties. The warranty is even transferable, so it’ll continue to add value if you decide to sell your home.
Featured
More options

Find a showroom
Two ways to visit: Find a showroom in your area, or visit a virtual showroom and explore windows from the comfort of your home.

Get a free consultation
Not sure where to start? We'll connect you with an expert that can answer all of your window questions.
1Best-in-class clad wood windows among contractors, 2020 Andersen brand survey of U.S. contractors
2See the limited warranty for details
3View performance documents for more details