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Window Installation Service

Whether you are remodeling, renovating or building a new home, our windows deliver unmatched beauty, strength, and energy savings.

What We Offer

Benefits Of Energy Efficient Windows

One of the most important things when considering window replacement is energy efficiency. The older wood windows get, the easier it is for them to crack and warp, creating gaps in the frame. New windows made of more advanced materials (such as vinyl) can easily withstand harsher weather and moisture. Since gaps in the frame become non-existent, energy cannot escape and cause fluctuations in your home temperature system. As a result, you and your home will experience warmer winters and cooler summers, all while lowering your energy bill.


Window Installation Process



During the planning of your project, you will receive all the information needed to determine which type of products you need, the job cost estimates, and the time required to complete the work.


Old Window Removal

The Second step is the removal of your old window systems, carefully measuring everything for the correct dimensions, and preparing each window area for the new installations.


Prep Work and Installation

During the third step we make sure all the preparation work has been done. Then, we will install the new windows and check that each on is set correctly. After that, we will nail the window section into the surrounding frame.



On the final step we will caulk and mortar around the window frames to provide a water tight enclosure around each one. This will be done properly, ensuring your windows work efficiently for many years to come!

Types Of Windows


Single-hung windows are comprised of two panels, or sashes, but only one of those panels is operable. These windows can be raised from the bottom for ventilation while the top sash remains stationary.

The difference between a single-hung and double-hung window is the operation of the sash. With a single-hung window, only the lower sash slides up and down. With a double-hung window, both sashes are operable.



Double-hung windows, also known as sash windows, can be raised from the bottom or lowered from the top for convenient ventilation and cleaning. Commonly known as: sash windows, hung sash windows



A popular choice for replacement, casement windows are hinged on one side and open outward from the turn of a handle. Their uncluttered views and outward opening design allow for optimal natural light and air flow.

Commonly known as: crank windows, side hinge windows, side hung windows, hinged windows



Sliding windows have one fixed sash and a moving sash that glides horizontally alongside the other. This replacement style is most loved for its ease of accessibility, wide design and flat, compact profile.

Commonly known as: horizontal sliding windows, gliding windows, slider windows



Awning style windows are hinged at the top and swing outward from the bottom to let air in. Their small size gives you greater versatility in your window placement high on the wall, above or below another window, or atop a door. Awning windows can be used in multiples or in combinations with other windows to add character to your home. Commonly known as: top hung windows, top hinged windows, crank out windows, retractable windows


Bay and Bow

A combination of three windows joined at an angle, bay windows jut out beyond your walls to add space to your room. Because the windows face multiple directions and extend beyond your walls, they can let in more light and air than flat window types.

Commonly known as: Oriel window, Projection window, 90-degree angle window, 45-degree bay window, 30-degree bay window, box bay window, square bay window



Custom windows are built to meet your personal style or the unique design of your home. Open to your imagination, size, shape, and style options are seemingly endless.​



Special shape windows come in a variety of shapes and styles, from smooth curves to contemporary angles. Choose from over 20 standard shapes to craft a custom look for your home.

Modern Bathtub

Why Choose Green Oak Exteriors?

There are a lot of window contractors around, but it is your best choice when you decide to upgrade your windows. Our team of professionals provide full scale service to all of our clients. We take the extra steps to provide superior customer service which always saves homeowners time and more importantly, money. We've been in the industry for a long time, giving us the necessary experience for successful window installation projects. Our skilled craftsmen will help you at every step of the new window process, providing you with any consultations free of charge! We use only the best materials and equipment during the windows installation process.

Create your dream home.
Tell us about your project today.

Call us at (703) 337-3767 or fill out a quick online form to get started with a complimentary roof inspection and estimate on your next project.

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