Replacement Windows & Doors in Castle Rock


What Project Do You Want to Start?

We offer financing on all our windows. With several plans available, we are confident that we can find the right plan to fit your needs!

Choose The Window Source of the Rockies for Your Castle Rock Windows and Doors

High-Quality Windows and Doors at Affordable Prices

Replacement windows and doors for your Castle Rock home can seem like a complicated undertaking. However, we make it simple at The Window Source of the Rockies. Our prices are among the lowest in the industry, and we help you save even more with our windows’ energy-efficient features. We also have a wide selection to choose from. With so many options, you can easily get the right color and style for your home.

Our quality vinyl replacement windows offer strength and long-lasting durability. They also come with lifetime warranties. When you choose our windows, you invest in the best.

Customer Satisfaction

We stand out from our competition because we prioritize customer satisfaction. We’ll assist you with friendly, focused service you won’t find anywhere else. We help you choose the right windows and doors, and we’ll answer any questions you have about installation, pricing, and more. Our dedicated customer service team is here to help!

Whether you need door or window replacement in Castle Rock, we can help you get the job done right. Our expert installers know exactly what to do.

Quick, Qualified Installation

If you want your new doors and windows fast, then The Window Source of the Rockies is the best place to go. We typically complete installation within three to four weeks. That’s faster than most other window companies in Castle Rock. We also offer the best industry prices and superior products.

Don’t wait to get fast, affordable windows and doors for your Castle Rock home. Our high-quality options can have a huge impact on your home’s aesthetic appeal and improve your property value. Get a quote today.

Get A Quote Today!

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Don’t just take it from us.

See what our past customers have to say about us!

4.9 Stars on Google

5 Stars on Facebook

Awards and Recognitions

Lifetime Warranty

All Window Source home windows and doors come with a limited lifetime warranty. You will have peace of mind knowing that you will only make this investment in your home once. Ask your window consultant for details.

Independently Certified NFRC Labels

All Window Source products come with voluntary National Fenestration Rating Council (NFRC) labels so that you can compare with confidence. You can rely on the labels and forget about all the sales gimmicks that you may hear from companies charging much higher prices. In fact the US EPA relies on NFRC data to set its ENERGY STAR guidelines.

Best Price Guarantee

We are confident that you will not find a better price for the best replacement windows in Colorado Springs.  If you can we will refund the difference. Ask your consultant for our written best price guarantee.

ENERGY STAR® Rated Products

Be assured that you will gain valuable energy savings when you choose our High Performance Glass option. All of our energy efficient repacement home windows and doors ordered with High Performance Glass will meet ENERGY STAR® guidelines in all US climate zones.
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