COVID-19 UPDATE:

Our number one priority at Southgate Glass is to keep our customers, employees and their families safe. OUR SHOWROOMS ARE OPEN TO SERVE YOU.
Depending on your preference, HOME AND VIRTUAL APPOINTMENTS ARE AVAILABLE. As a precautionary measure, we have installed sneeze guards in our showrooms and implemented increased hygiene routines for our sales staff, techs and installers. Be safe.

Simonton

Custom Replacement Windows

Ply Gem Simonton Windows & Doors is part of the Cornerstone Building Brands family. Headquartered in Cary, North Carolina, Cornerstone Building Brands is North America’s leading exterior building products manufacturer.

Simonton offers award-winning, ENERGY STAR® custom replacement windows which will transform your home from the inside, out. Shop our vinyl residential replacement windows to find the perfect fit for your home. Choose from a variety of sizes, styles, grille styles and patterns, colors and hardware finishes to create your custom replacement windows.

Why Choose Vinyl

Simonton offers high-quality vinyl replacement windows that are an excellent option for any home. Our vinyl windows are designed for durability, requiring virtually no maintenance. They’re a weather-resistant and energy efficient solution designed to increase comfort in your home and can help reduce heating and cooling costs.

Custom Residential Windows

Our residential replacement windows are completely customizable to fit your needs:

Sizes – We create custom windows to fit any existing opening in your home. Custom sizes provide the perfect fit for accurate installation and performance.

Interior & Exterior Colors – Choose from a variety of colors to customize the look of your window and create curb appeal.

Hardware Finishes – Select from a wide range of hardware finishes to complement your home’s design including satin nickel, oil rubbed bronze and more.

Grid Styles & Patterns – Choose from several different grille styles and patterns to complete the look of your home. We offer a variety of architecturally accurate patterns include colonial, prairie and Victorian.

Our vinyl replacement windows are an energy efficient, weather resistant and virtually maintenance free solution for your home. With over 70 years’ experience, you can trust our high-quality custom replacement windows to help protect your home. Our award-winning products are backed by an industry-leading warranty.

The Simonton Story

Simonton was founded in Pennsboro, West Virginia in 1946, when Fred and Sybil Simonton recognized the need for high-quality exterior aluminum products and founded Pen Vent Awning. Their son would later help take Simonton to the next level. In 1981, he convinced the rest of the family that in order to differentiate the company from its competitors, they would need to begin producing energy-efficient vinyl windows. As a result, Simonton Windows was born.

Today, the Simonton portfolio of products includes 12 different window and patio door lines with varying structural and stylistic features, all of which can be ordered to meet ENERGY STAR® guidelines. In addition, Simonton is committed to always exceeding customer expectations with the highest‐quality products available and unbeatable service.

Simonton Collection

Frequently Asked Questions

Are Simonton Windows good quality?
Yes, Simonton Windows is one of the best vinyl replacement windows brands in the market today. From casements window to double hungs you name it Simonton Windows got it! Today, the Simonton portfolio of products includes 12 different window and patio door lines with varying structural and stylistic features, all of which can be ordered to meet ENERGY STAR® guidelines.

Who manufactures Simonton Windows?
Ply Gem Simonton Windows and Doors is under the Cornerstone Building Brands umbrella. Cornerstone Building Brands is North America’s leading exterior building products manufacturer.

Are Simonton Windows Energy Star?
As an ENERGY STAR partner, Simonton® Windows & Doors is committed to meeting the strict criteria of the U.S. Environmental Protection Agency to help conserve energy and reduce heating and cooling costs for all our customers.

How often should you replace the windows in your house?
Today’s windows can last between 15 – 20 years before replacing them. It also depends on the climate in your area which can reduce the lifespan of your window. Changing weather can wear all types of windows quickly especially if there’s humidity involved.

What is the best time of year to buy replacement windows?
Most homeowners buy replacement windows during springtime. It is better to evaluate a home improvement project this season to plan for summer renovations.

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