Sliding Windows Give Your Home Style and Security
Are you looking for sliding windows installation in Indianapolis? At The Window Source of Indy, our sliding windows are a great solution for new or existing homes that call for design-forward style and sophistication.
Sometimes called pocket sliding windows or gliding windows, our products operate on the horizontal one sash sliding in front of the other for full ventilation and maximum access. Traveling on smooth brass rollers, our windows are designed to operate smoothly year after year.
Beyond looking great, our custom sliding windows come in a huge selection of sizes, are easy to operate and maintain, and offer state-of-the-art security. Simply lift out the window sash for easy cleaning. Once done, the sash slips back in with ease and locks into place. These windows offer the ultimate in safety and cannot be removed until you unlock them.


Two-Lite Slider Windows Expand Your Options
With a Two-Lite Slider Window, you have the choice and flexibility of configuring your ventilation. Both sashes move independently in either direction and can slide open on either side or position them in the center for maximum air flow on both sides. Whether you need a full sliding window replacement or a fresh installation, our Two-Lite options are built to fit your exact space.
Consider Three-Lite Sliders for Large Windows
With multiple options, Three-Lite horizontal sliding windows offer the ultimate in versatility. You can opt for three sashes of equal size, or choose one large, fixed center window with two equal-sized moveable sashes on either side. Both options look terrific and allow for improved air flow making them a popular choice for sliding window replacement in Indy.


Why Choose Sliding Windows from The Window Source of Indy?
- Our replacement sliding windows can be customized to fit your exact needs.
- You save money with energy-efficient designs that keep your home comfortable.
- Sashes lift out for easy cleaning and maintenance.
- Our windows come with double insulated glass and multi-chamber 3-1/4 inch vinyl frames.
- Our vinyl windows never need painting or staining.
- We stand behind our products. Our sliding window installation comes with a Limited Lifetime Warranty.
Contact us for a free, no-obligation quote.








Frequently Asked Questions
What is the difference between pocket sliding windows and standard sliding windows?
Pocket sliding windows and standard sliding windows work the same way both slide horizontally on a track. The term “pocket” simply refers to how one sash slides behind or alongside the other. The Window Source of Indy offers both styles to match your home’s design.
How long does sliding window installation in Indianapolis take?
Most sliding window installation projects are completed in a single day. The exact timeline depends on the number of windows and the complexity of the installation.
Can I get custom sizes for my sliding window replacement?
Yes. The Window Source of Indy custom-fabricates every window to fit your exact opening, so your sliding window replacement fits perfectly without gaps or drafts.
Are horizontal sliding windows energy efficient?
Absolutely. Our horizontal sliding windows feature double insulated glass and multi-chamber vinyl frames that help reduce heat transfer, keeping your home comfortable year-round.
Does The Window Source of Indy offer a warranty on replacement sliding windows?
Yes. All replacement sliding windows from The Window Source of Indy come with a Limited Lifetime Warranty, giving you long-term confidence in your investment.