Window Replacement Company in St. Louis
Upgrade your home with durable, energy-efficient, and customizable replacement windows solutions. Replacement Windows by Lakeside is your trusted local contractor since 1997.
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Experience the unparalleled excellence of Infinity from Marvin Windows
Enduring Quality
Unmatched Reliability
Homeowner Satisfaction
What Makes Infinity from Marvin Windows the #1 Choice for Your Home?
Durable Material: Made from Ultrex® fiberglass, 8x stronger than vinyl, and resistant to bending, flexing, and warping. Marvin Windows are built to last a lifetime.
Energy Efficiency: Features Low E2 glass and argon gas for maximum insulation, keeping your home comfortable year-round and reducing energy costs.
More View, Less Frame: Slimmer frames mean larger windows and more natural light—without the bulky frames.
Easy Maintenance: Tilt-in sashes make cleaning your windows hassle-free.
Customizable Designs: Choose from various styles, finishes, and colors, including EverWood®, which mimics natural wood but offers the performance of Ultrex fiberglass.
Boost Curb Appeal & Resale Value: These elegant windows not only look great but also increase the overall value of your property.
Why Choose Replacement Windows by Lakeside for Your Window Installation?
The Infinity® from Marvin Window line was created in 2002 when the company recognized a need for high-quality fiberglass windows and doors. As an exclusive dealer of the Infinity® brand, Replacement Windows by Lakeside provides expert installations backed by Infinity®’s reputation for durability and performance. Here’s what you can expect when working with us:
- Product Expertise — As the only Infinity from Marvin authorized contractor in St. Louis, you can trust that your windows will be installed with precision and excellence.
- Certified Craftsmen — We have been recognized as an “Infinity from Marvin Gold Partner,” meaning our installations exceed manufacturer standards, ensuring watertight windows. In remodels, we replace your water management system to prevent future issues.
- Peace of Mind — When you invest in window installations with Replacement Windows by Lakeside, you’ll receive two outstanding warranties: a lifetime workmanship warranty from us and a manufacturer warranty from Infinity from Marvin.
SEE WHAT OUR CLIENTS HAVE TO SAY
Beautiful Window Styles to Enhance Your Home
With several unique window shapes, sizes, and styles to choose from, it’s never been more straightforward to customize your home’s appearance with Infinity from Marvin windows. Here is an overview of the window styles we install:
Single-Hung Windows
Simple, traditional, and easy to operate, these windows feature a sliding lower sash for fresh air and tilt-in for easy cleaning. Choose from various styles, including Cottage and Oriel, for a custom look.
Double-Hung Windows
Enjoy the benefits of single-hung windows with added modern functionality. Both the top and bottom sashes tilt for easy cleaning and ideal ventilation—perfect for bedrooms, living areas, and upper floors.
Casement Windows
With a sleek, modern design, casement windows open easily with a side hinge and folding handle, offering unobstructed views. The Easy Wash® hinge makes cleaning the exterior from inside a breeze.
Slider Windows
Slider windows open smoothly to the left or right, offering easy operation, a tight-fitting seal for energy efficiency, and a tilt latch for effortless cleaning.
Awning Windows
Perfect for tight spaces, awning windows open from the top with a folding handle, providing fresh air and architectural interest. Ideal for bathrooms and kitchens, they offer easy operation and a compact design.
Round-Top Windows
Combining the functionality of single-hung windows with a stylish twist, round-top windows add charm and character to your home. Choose from six styles and customizable configurations for a unique look.
Bay Windows
Bay windows feature an angular design with a central picture window and side windows, or double-hung all around. They bring in natural light, expand your space, and create a cozy nook or display area.
Bow Windows
Similar to Bay windows, these windows are curved, multi-window units that capture light from every angle, offering historic charm and character. They can include up to six windows and provide ventilation with outward-opening casement windows.
Custom/Specialty Windows
Got a unique design in mind? We can create custom fixed shapes like octagons, hexagons, and more. Our in-house carpenters and architects are ready for any challenge, including creating new window openings.
INVEST IN YOUR HOME WITH A WINDOW REPLACEMENT BY LAKESIDE
With a legacy dating back to 1997, and founded by Marine Corps veteran Matt Merrifield, Lakeside has become a trusted name in the St. Louis region for premium windows and exceptional craftsmanship. Our commitment to quality ensures your windows will stand strong and enhance your home's curb appeal.
At Replacement Windows by Lakeside, we prioritize making the home remodeling process convenient and enjoyable. Contact us today to take the next step toward a brighter, more comfortable home.
At Replacement Windows by Lakeside, we prioritize making the home remodeling process convenient and enjoyable. Contact us today to take the next step toward a brighter, more comfortable home.
Our Simple 3- Step Process:
Personalized Consultation
Begin with a stress-free consultation where we listen to your vision and needs, guiding you to the perfect window solutions tailored just for your home.
Flawless Installation
Our expert team carries out your window installation with meticulous attention to detail, ensuring a seamless process while keeping you updated every step of the way.
Delight in Your Home’s Transformation
Revel in the beauty and enhanced efficiency of your new windows, knowing you’ve chosen the best products and service for your home.
