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get a whole
home upgrade!

Andersen® Replacement Windows & Doors

WATCH WINDOW VIDEO 1 - St. Louis Window and Door Company | Replacement Window and Doors by Anderson

Don’t overpay,
SAVE up to 40%

GET A FREE ESTIMATE!





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Your Premier
Company for window and door replacements in St. Louis, Kansas City, and surrounding areas.

Beauty, Efficiency and Value all backed by over 23 years of experience & premier Andersen® Certified Installation, Service and Warranty.

(314) 399-2001

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Patio Doors

As a premier St. Louis patio door company, Keller Window & Door is your best choice. Whether it be a simple replacement door or complex design, Keller opens the door to endless possibilities.

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Windows

Looking for a St. Louis window replacement company that provides one-stop, start-to-finish service for your window replacement project? We offer you an easy and reliable complete replacement process, all in one place.

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WHOLE HOME

GET ALL YOUR WINDOWS REPLACED & SAVE. Take advantage of 18 month / 0% financing and no fake discounts! We stand behind our commitment to consistently offer unbeatable prices without the gimmicks.

Check these stunning photos of our latest window and door installations!

Before

After

Before

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After

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Before

After

Before

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After

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Window Installation

Before

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After

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Window Installation

Before

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After

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Door Installation

Before

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After

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Door Installation

Before

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After

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Robert- St. Louis, MO

Artboard 1med 1 300x70 - St. Louis Window and Door Company | Replacement Window and Doors by Anderson“Keller Window & Door is a fantastic company to do business with. The service I had done was completed quickly and at a fair price. I would definitely recommend this company for window and doors.”

Vern & Steve- St. Louis, MO

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"John Keller gave us exceptional service. He didn't pressure us to buy replacements but gave us a good price to replace 2 rotten sash. Why buy whole windows when the remainder is good? He fulfilled all time estimates and his installation was quick and immaculate! We highly recommend him!"

Audrey- St. Louis, MO

Artboard 1med 1 300x70 - St. Louis Window and Door Company | Replacement Window and Doors by Anderson"Keller Windows delivered an excellent product on time. Representatives and workers were courteous and professional. I will definitely use Keller Windows in the future."

Why Should I Replace My Windows? Because Windows Matter.

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Comfort

Windows help protect you and your home from nature’s harmful elements.

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Energy Efficiency

Windows can greatly affect energy efficiency and your heating and cooling bills.

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Beauty

Windows are one of the few things that add beauty to both the inside and the outside of your home.

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Value

Replacing your windows with Andersen® can raise the value of your home.

Some REcent Installations

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TAKE ADVANTAGE OF OUR NO B.S. PRICING

Our Everyday Prices
Beat Their “Sale” Prices by 20-40% or MORE!

HUGE SAVINGS
ON NEW WINDOWS
+ INSTALLATION
+ ENERGY SAVINGS

GET A FREE ESTIMATE!





LOCATIONS

St. Louis

1407 Garnet Dr.
O’Fallon, MO. 63366

 

 

KANSAS CITY

Phone

Areas Served - St. Louis, Chesterfield, Town & Country, Clayton, St. Charles, Wildwood. University City, O'Fallon, and Metro KAnsas City

 

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Some photos reproduced under license from Andersen Corporation for a specific & limited purpose.