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Window Replacement & Installation Company

At GIANT Siding and Windows, we understand the importance of window systems; from their aesthetics to their functionality. Choosing the right windows for your home is critical, windows affect everything from your home’s energy efficiency to your home’s luminance on down to insulation.

Marvin Windows

Marvin Integrity Windows

Marvin windows are made with Ultrex® pultruded fiberglass, a material Marvin created over 20 years ago that outlasts vinyl, roll-form aluminum and other fiberglass composites.

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Window Types

Window Types

From classic double hung and single hung windows to hopper windows to casements in industry-leading sizes, Marvin windows are innovative & offer many style options.

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Window Installation

Window Installation

We offer comprehensive window installation and window replacement services. At GIANT we focus on craftsmanship, customer relationships and our local community!

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REQUEST YOUR FREE CONSULTATION AND ESTIMATE TODAY – 1-877-75-GIANT

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Marvin Windows & Doors

GIANT Siding and Windows

Whether you’re replacing your old windows or building a new home, GIANT Siding and Windows is Westchester’s window replacement company of choice. Take this as my personal invitation to reach out and ask questions about our company and products. We offer Free Quotes, Window Replacement Consultations, and honest-expert advice.

My Westchester County window installation team has the knowledge and expertise needed to plan an installation that will minimize the duration your household is in the construction phase. We will help guide you through the selection process, ensuring the windows you choose look as well as they function.

I work personally with all of my customers to make sure each is more than satisfied with their windows. Contact us today to learn more about replacing your windows or choosing the perfect window for your new home remodeling or building project.

Here at GIANT Siding and Windows, we’ve been in the business of installing new windows in Westchester County homes for decades. We know what Westchester and Fairfield County homeowners need in a window: high-quality insulation, glare minimization, and style.

Marvin windows and doors are made with High-Density Fiberglass and Ultrex® fiberglass each offer unique benefits.

Westchester County Window Company

Window Installation

Our years in the window replacement and installation business have taught us it pays to use only easily recognizable high-quality window brands. With a wide variety of shapes, sizes, types, and styles to choose from, we are confident we will find the right window for your home.

At GIANT Siding and Windows our preferred window brand, Marvin offers homeowners a durable window, with superior finishes, high energy efficiency, available in a wide array of window treatments. Marvin windows are made with Ultrex®, a pultruded fiberglass, that Marvin has patented as it outperforms and outlasts vinyl, roll-form aluminum, and other composites.

Designed for unprecedented performance and exceptional aesthetics, Marvin’s window line offers window options for every style of home each perfectly engineered for our climate.

From Marvin’s classic double hung and single hung windows to European-style tilt turn and hopper windows to casements in industry-leading sizes, Marvin’s innovative window solutions offer virtually endless style options each in high-quality materials. This is why I am very proud to offer Westchester homeowners Marvin windows; the window brand brings so many choices to the table along with the ability to mix and match across product lines to find the right form and function for your window replacement needs.

Contact us today to talk about what kind of windows will work best for your home, personal style, and budget.

Marvin Windows are made with virtually indestructible materials and meet or exceed federal Energy Star guidelines.

Window installation

When shopping for windows, it’s important to focus on the four main categories: materials, efficiency, design, and value.

At GIANT Siding and Windows our preferred window brand, Marvin offers homeowners a durable window, with superior finishes, with industry-leading energy efficiency available in a wide array of window treatments.

The Marvin company approaches material selection differently then many other window manufacturers and holds themselves to a higher-strander. We get this, just like Marvin we are a family-owned company.

Marvin’s window and door materials—wood, extruded aluminum, High-Density Fiberglass and Ultrex® fiberglass each offer unique benefits. If you’re not sure what’s best for your project or your climate, a Marvin window and door dealer can help recommend the material with the right attributes.

Ultrex fiberglass is eight times stronger than vinyl and three times stronger than vinyl/wood composites. It resists fading, chalking, peeling and cracking, giving you unparalleled strength and durability.