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Slider Windows

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Bright living room interior with large sliding glass doors open to a paved patio and a green, tree-filled backyard, showcasing the indoor-outdoor flow provided by Keystone slider windows

Slider windows are a versatile and stylish choice for homeowners looking to maximize natural light and ventilation. These windows feature horizontal sashes that slide open effortlessly, allowing easy access to fresh air and unobstructed views. They are very much like a double-hung window turned on its side. The window opens by moving the sashes to one side or the other. Slider windows are not only functional but also add a touch of modern elegance to any space.

Sliding windows work well on walls where there isn’t a lot of vertical height, yet there is plenty of horizontal area. They offer a more contemporary look than the traditional colonial-style double-hung windows.


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Window Features

See what makes our slider windows the perfect choice for your home.

Our Slider Windows Are Energy Star Certified

Prioritizing energy efficiency? You’re in the right place. Our slider windows are Energy Star certified, a testament to their ability to keep your home comfortable while minimizing energy consumption. With advanced features and superior insulation, these windows help reduce heating and cooling costs, contributing to a more eco-friendly and sustainable living space.

Upfront Slider Window Pricing – No Surprises

Transparency and trust are at the core of our pricing philosophy. We provide upfront slider window pricing, ensuring you have a clear understanding of costs from the start, with no surprises or hidden fees. Your satisfaction is our top priority, and we’re committed to delivering top-notch products and services that align with your budget and expectations.

Professional Slider Window Installation in Pennsylvania Included

Rest assured that your new slider windows will be expertly installed by our professional teams in Pennsylvania. With years of experience and a meticulous approach, our experts ensure that your windows are fitted precisely and function seamlessly. Proper installation is key to window performance, and we’re dedicated to delivering exceptional results every time.

Unlimited Slider Window Colors to Choose From

Personalize your home’s appearance with our diverse range of slider window colors. From classic neutrals to bold statement hues, our selection empowers you to create a look that resonates with your style and complements your home’s design, inside and out.

Lifetime Transferable Lifetime Warranty

Your satisfaction is backed by our lifetime transferable lifetime warranty on slider windows. This warranty not only safeguards your investment but also adds long-term value to your home, providing you with peace of mind about the quality and durability of our products.

Frequently Asked Questions

FAQ: Everything You Need to Know About Slider Windows

What exactly are slider windows?

Slider windows, also known as gliding windows, feature horizontal sashes that slide open effortlessly to the left or right. This design maximizes natural light and provides excellent ventilation, making it a stylish and functional choice for any room.
These windows operate on a track with tandem brass rollers, allowing the sash to glide smoothly for easy opening and closing. The effortless sliding action makes them suitable for spaces where reaching might be difficult.
Slider windows offer several benefits, including easy operation, enhanced airflow, and unobstructed views. Their simple design contributes to a modern look and feel, while the minimal air infiltration and energy-efficient glass options help keep your home comfortable and reduce energy costs.
Yes, slider windows are an excellent option for energy efficiency. They are designed with air barriers and weather stripping to minimize air leakage, and the availability of Energy Star-certified glass packages further enhances their insulation properties, reducing heating and cooling expenses.
Absolutely, slider windows can be equipped with screens to protect your home from insects while allowing fresh air to circulate. These screens are easy to install and remove for cleaning, providing both convenience and functionality.
Maintaining slider windows is straightforward. Regular cleaning of the glass and tracks, along with occasional lubrication of the rollers, will ensure smooth operation. It’s also important to inspect the weather stripping and seals periodically to maintain energy efficiency.
Slider windows enhance home ventilation by allowing both sashes to open, creating a wide opening for air to flow freely into and out of your home. This feature is particularly beneficial in rooms that require extra ventilation, such as kitchens and bathrooms.
Slider windows are commonly constructed from durable materials like vinyl, which offers excellent insulation, low maintenance, and resistance to weathering. Other materials can include wood, aluminum, and fiberglass, each providing unique aesthetic and functional benefits.
Yes, slider windows can be customized with a wide range of colors, finishes, and decorative glass options to match your home’s design. Whether you prefer classic neutrals or bold hues, you can personalize your windows to enhance your home’s curb appeal.
Slider windows are ideal for areas with limited vertical space but ample horizontal room. Unlike traditional windows, such as single-hung or double-hung, slider windows do not require any space to swing open, making them perfect for tight spaces next to walkways or patios.
Slider windows can be equipped with various safety features, including locks and security bars, to ensure they remain safe and secure when closed. Additionally, certain models may offer laminated or tempered glass for added security and injury prevention.
Slider windows offer unique design options, such as custom grilles, decorative glass, and a variety of frame colors, allowing you to create a look that complements your home’s style. These design choices can add a touch of elegance and personality to your living spaces.
When choosing a slider window provider, consider their reputation for quality, range of customization options, and commitment to customer service. Look for providers that offer Energy Star-certified products, transparent pricing, and professional installation services.
Verify the quality and durability of slider windows by checking for energy efficiency certifications, such as Energy Star, and inquiring about the materials used in construction. A reputable provider should also offer a comprehensive warranty that covers both the product and installation.
Before purchasing, ask about the window’s energy efficiency features, customization options, installation process, and warranty details. It’s also wise to inquire about the provider’s experience and ask for references or reviews from previous customers.
The installation process is crucial in ensuring your slider windows perform optimally. Choose a provider that employs professional, experienced installers who are familiar with the specific product line and can guarantee a precise, secure fit.
Expect a comprehensive warranty that covers defects in materials and workmanship, as well as the glass and moving parts. A transferable lifetime warranty adds value and peace of mind, ensuring your investment is protected for years to come.
Ensure your slider windows meet Energy Star certification standards for energy efficiency. Additionally, check for any relevant industry certifications that attest to the quality, durability, and performance of the windows, such as the American Architectural Manufacturers Association (AAMA) certification.

Browse our window styles to find the best choice for your home.

Customer Reviews

Our customers have only good things to say. If we mess up, we make it right!

Keystone Window of Pennsylvania
Based on 74 reviews
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Irene Messant
Keystone WindowsWe recently had 5 windows replaced . Our old windows were of wood and matched the molding thru out the room. Steve Cornish showed a metal version to match the wood tones. It matches perfectly! The installers installed the windows quietly, efficiently without any detriment to shrubbery or the interior. Will use this company for future window updating. Irene Messant
Wayne Houck
Excellent service and communication. The house and property were spotless after the installation crew was done. We're very happy with our new windows.
Glenn Wicker
Just had windows and an exterior door installed. The overall experience with Keystone was great! The prices are reasonable. The sales rep and customer service are excellent. We cant forget to rave about the install team… They were very professional, friendly and did a thorough job with putting everything in and cleaning up. FIVE STARS.
Second time using Keystone Window. Had them out to replace a slider and a few basement windows. Good quality , honest , fair pricing and great installers !
Diane Bailey
Just had an entry door and storm door replaced. We are thrilled with the professional team that did it. It looks beautiful! They came, got right to work, no breaks, and cleaned up. We will be calling them for windows in the future
Jo Malone
Keystone Window is an experienced trustworthy local company in PA. Their work is quality, exceptional & completed in a timely manner. As a customer you are treated with utmost respect & care. I would highly recommend them.Jo Malone
Jackie Randazzo

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