Andersen Windows – 400 Series, 100 Series

Andersen 400 Series Windows

Anderson windows 100 series or 400 series are the windows you have been looking for. From the Windy City to the Twin Cities, nobody knows the Midwest like American Thermal Windows and Andersen Windows and Doors.  Whether it’s a blustery -20 degree day in January with winds howling just to hear themselves howl, or a hot, humid day in July (also known as construction season), both American Thermal Windows and Andersen Windows and Doors, know what Midwestern clients face; both day to day and season to season. 

American Thermal Windows, a family owned Chicago business since 1981, already knew, but quickly confirmed, that working with premier window manufacturers was not only the smart move, but the RIGHT move.  Which is exactly the reason, we are proud to partner with Andersen Windows, a sister Midwest window and door company, founded over 115 years ago.  

Andersen Windows is not only devoted to the latest innovations in window design and installation that meets the demand of today, but also to the sustainability of our natural resources over time and future endeavors for generations to come.  

American Thermal Window is so proud to be partnered with Andersen Windows serving Chicago, from Evanston to the South Loop, from Northern Suburbs like Lake Bluff, down to La Grange and Brookfield, and so many more. 

American Thermal Windows is excited to offer Andersen Windows to our Chicago and Chicagoland customers.    

Styles of 400 Series Andersen Windows available at American Thermal Window:

The 400 Series from Andersen Windows, is one of the most popular products.  The 400 Series offers a truly poetic blend of both engineering and craftsmanship.  Basically, the best of both worlds.  With the 400 Series, one does not have to choose design over function, or vice versa.

There are a variety of styles in the 400 series to choose from.  Here are a few examples:

Styles of Andersen 400 Series Windows available at American Thermal Window:

  • Woodright Double-Hung Full-Frame Windows
  • Woodright Double-Hung Insert Windows
  • Tilt-Wash Double-Hung Insert Windows
  • Tilt-Wash Double-Hung Full-Frame Windows
  • Bay Windows
  • Bow Windows
  • Gliding Windows
  • Casement and Awning Windows
  • Specialty Windows

Why Choose the 400 Series Window from Andersen?

  • The windows are designed, and proven to stand the test of time. 
  • Made from wood, with a vinyl exterior to withstand the elements, especially water damage.
  • A variety of hardware styles, glass, and finishes to choose from.
  • Perma-Shield Technology means they won’t blister, corrode or peel, regardless of what Mother Nature has to throw at them.

Andersen Windows – 100 Series

If you’re looking for a quality window, that is both stylish and durable, all while being friendly on the budget, AND want an option other than vinyl, the 100 Series from Andersen Windows is your answer. 

The 100 Series are made from Andersen’s revolutionary Fibrex composite material that is not only durable, but environmentally responsible and energy efficient.  Additionally, the 100 series comes in a variety of of deep, rich colors that will enhance any project – even those with the most discerning of tastes. 

Styles of 100 Series Andersen Windows available at American Thermal Window:

  • Single-Hung Windows
  • Gliding Windows
  • Casement and Awning Windows
  • Picture Windows
  • Transom & Specialty Windows

Why Choose the 100 Series Window from Andersen?

  • Energy Efficient
  • Fibrex vs Vinyl (Fibrex is more energy efficient and rated to be as twice as strong as Vinyl)
  • Available in deep, rich colors, as opposed to standard white or similar shades
  • Eco-Friendly.  The 100 Series Windows are made from wood-waste
  • Custom sizing is available
  • Over 40 different glass options available

Andersen Windows

Replacing windows in one’s home isn’t a task that many homeowners have tackled in the past.  Typically, this is a new venture, and albeit, what may seem like a daunting journey.  

However, replacing the windows in your home doesn’t have to be stressful.  In fact, the goal of American Thermal Windows is to make this task easy, stress-free, and budget friendly.  That’s why we partner with Andersen Windows!

Both American Thermal Windows and Andersen windows have been in business for decades (Andersen actually over a century, now.)  Why is this important?  Just talk to anybody who has had their windows installed by a “fly-by-day” company that offered warranties on their services and/or products, just to be out of business the following month.  

Unlike these companies, both American Thermal and Andersen will be there for you and your home for years and years to come. 

Since every home is unique, American Thermal Windows offers a free, in-home consultation to any client looking to replace their windows.

Consult American Thermal Window today for a FREE in-home estimate.


Call (773) 774-3131 or email us at

24 hours a day – 7 days a week.


American Thermal Window is Chicago’s Best Andersen Windows Installer

As Chicago’s highest rated window and door company, American Thermal Window is the perfect location to purchase your Andersen Windows. Our sales team is highly trained to help guide you through all of the different options available on the Andersen Windows product lines and our showroom floors has many displays features Andersen Windows products.