Your St. Louis Window Replacement Experts

Reasonably Priced, Premium Quality Windows Installed With No Money Down!
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    No in-home sales appointments or pushy sales gimmicks. Simply complete the form and we'll confirm your exact needs to give you a quote over the phone. Simple. Easy. No Hassle!

Our Window Installation Process

What sets us apart from other window replacement companies in St. Louis is our process, prices, exceptional service, and consistently excellent results. If you’ve ever bought windows from any of the “big brands,” you’re probably familiar with their VERY high-pressure salespeople. At Zen Windows, we never use high-pressure, in-your-face tactics. Instead, we take the stress out of getting window quotes by letting you submit your information online or over the phone. Here’s how it works from start to finish…

Recent Window Replacement Projects in St. Louis

We’ve installed thousands of new windows for hundreds of happy clients in St. Louis. We install high-quality windows for a fraction of the cost of Andersen or Pella windows. Our customers love our no-hassle window replacement sales process, and we think you will too. Check out some of our recently completed window replacement projects below, and then call us for your fast, free, accurate quote.

Top-Quality Replacement Windows

Discover the perfect window or patio door for your home in minutes. We offer a wide variety of shapes, sizes, materials, and colors. We’ve even prepared a buyer’s guide to help you select the perfect options. Curious to see how we stack up against Pella, Andersen, or Window World? No problem, we’ve got you covered there too.
Double-Hung

Double-Hung

Double-hung windows combine energy efficiency, durability, and ease of use.

Casement

Casement

Casement windows perfectly combine beauty and function in a sleek form.

Bay

Bay

Extending outward from your home, bay windows create a dramatic, architectural display while creating additional space in a room.

Awning

Awning

Awning windows provide an attractive contemporary look that allows for maximum ventilation.

Bow

Bow

Bow windows feature a rounded, crescent-shaped design that protrudes from your home to create dramatic curb appeal.

Slider

Slider

Slider windows feature the most glass area of any operable window, making them the perfect solution for small spaces.

Thousands of Windows Installed, Hundreds of Happy Clients

Before hiring just any St. Louis window replacement company, be sure to check their reviews. Hundreds, if not thousands, of people every year are pressured by the “big brands” into buying windows they don’t want, don’t need, or can’t afford. Don’t let that be you.

At Zen Windows St. Louis, we have dozens of reviews, and not one of them is negative. Go ahead and read about what it’s like to work with us compared to other companies. Get it straight from the customers and NOT from a pushy salesperson. Do your research, we encourage you to. We’re confident you’ll make the right choice!

Video Testimonial 1

Video Testimonial 2

Video Testimonial 3
The owner came on site to supervise the installation. The door arrived damaged from the factory but was quickly replaced with a perfect one. The installation is beautiful, and a problem around the old door was repaired at no extra cost. The installer was excellent and detailed.
Philip R.

Philip R.

Went very well. Excellent communication, punctual and friendly staff. They used cloths to cover all my carpet and cleaned up all their mess. Left my house cleaner than it was when they arrived. Wow! Will use again or refer to others.
Sandra M.

Sandra M.

What a great way to buy windows! I was able to get a quote and buy windows over the phone without having a salesman come to my house. I would definitely recommend Zen Windows St. Louis and will be using them again.
Stephen R.

Stephen R.

Replacement Windows the Zen Way

We’re redefining how St. Louis homeowners buy residential windows, and here’s why…. no more pushy salespeople selling you overpriced windows! With us, you get high-quality replacement windows for less than what the “big brands” sell them for because we DON’T pay salespeople to drive all over St. Louis, giving homeowner after homeowner the “hard sell.”

Our reputation speaks for itself. With hundreds of happy customers, dozens of five-star reviews, and an A+ rating with the BBB, it’s easy to see why Zen Windows is one of the fastest-growing residential window companies in the nation!

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2017 Super Service Award

We’re excited to announce that we won Angi’s Super Service Award for the third year in a row in 2018 for our 2017 service to our clients!