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Who wants to throw money out the window? Not us! And we’re willing to bet you don’t either! But if your windows are outdated, drafty, cracked, or just “old,” you are losing money every day in wasted utility bills. Installing new replacement windows can be one of the smartest investments you make in your home. At Aspen Home Improvements, we believe in using quality window products and providing a quality window installation. That is why we only use energy efficient Okna Windows and hire our own team of door installers instead of using 3rd party contractors. We want to provide and maintain a quality service to ensure each project gets done right!

Window Replacement Service Includes:

Limited-Time Sale, ACT NOW!: Get A Free Quote Today and Receive $1000 Off 5 Or More Windows Purchased!

The Okna Eco-Pro window series blends exceptional craftsmanship with a vintage aesthetic. There are numerous glass and hardware options are available in this series, which delivers excellent window energy efficiency and blends in with any interior or exterior design. You can also count on your window being the perfect fit as all Okna windows are custom built to fit your opening. At Aspen, we offer 12 different vinyl window styles and each style is highly customizable to meet your ideal design. Explore all of the unique customization options below!

Aspen home Improvements has been a premium Okna window dealer in Pennsylvania, Maryland, West Virginia, and Northern Delaware for over 30 years. With over a quarter century of experience you can trust that we will provide a quality window replacement and installation that will provide your home with long-lasting benefits.

Window Replacement Styles:


Double Hung

This window has two sash mechanisms that enables you to slide the window up and down to allow in the fresh air.



A more traditional style where the window is hinged to left or right giving a wide opening to allow in fresh air and ventilation.


Bay & Bow

A curved window that gives an elegant three-dimensional aspect to your home, adding character and style to your home’s curb appeal.


Double Hung

A small 3-dimensional window that typically extend out about 18 inches from your home. They allow a ton of natural light into your home and offer a perfect space to store plants.



This window type slides left or right to provide an opening to the outside.

Custom Window


Custom windows are a window that is specially built to perfectly fit the exact size and shape of your home’s window openings.


Single Hung

This window has a single operable sash mechanism that enables you to slide the window up and down to allow in the fresh air.

Energy Efficient Patio Door Replacement Window

Patio Door Window

A large window that slides left or right to open; often used as a doorway to a patio or back yard.

Bow Window


A bow window is an arc-shape window structure with at least 4 windows that are usually each window composed of casement windows.

Awning Basement Window

Awning Basement

A window that includes hinges at the top of the frame and is operated by a crank or handle which opens from bottom edges of the frame outward.

Picture Window


A small, narrow window that opens from the top outward towards the bottom which increases the natural light and air flow.



A picture window is a window that is fixed into the window frame, which doesn’t open.

Interior Color Options:

We offer three beautiful interior window cladding laminates in addition to the standard Euro-White and the optional Almond colored vinyl to give your home a distinct look. If you want to keep your home bright choose the white and almond interior window colors to increase the appeal of the natural lighting. If you want to go for a more traditional look choose the wood grain window laminates.

White Interior window color
Melrose Cherry interior window color
Almond interior window color
Dark Oak interior window color
Harbor Gray
Winchester interior window color

Exterior Color Options:

To give your home a unique appearance and increase curb appeal, OKNA Windows provide seven standard exterior window color options in addition to the standard Euro-White option.  Additionally, if you are looking to color match or choose a more unique color you can choose from an almost infinite variety of paints from the Sherwin Williams collection to create custom exterior window colors. Theses options can also be used as exterior window trim paint colors as well. Our paints are tough and safe for the environment, providing your exterior a brilliant and long-lasting color finish.

White Interior window color
Cocoa Exterior Window Color
Nicol's Black Exterior Window Color
Nicol's Black
Almond interior window color
Sandstone Exterior Window Color
Basic Brown Exterior Window Color
Basic Brown
Terra Brown Exterior Window Color
Terra Brown
Bronze Exterior Window Color
Custom Colors

Hardware Options:

Our replacement window hardware is made to blend with the various window types and decorating concepts we provide to produce a style and finish that expresses your individual taste. Use the custom hardware options to give an extra flair and elegance to your window design.

Euro-White Window Hardware
Adobe Gray Window Hardware Color
Adobe Gray
Matte Bronze Window Hardware Color
Matte Bronze
Antique Brass Window Hardware Color
Antique Brass
Brushed Nickel

Window Grid Options:

GBG grilles are made of aluminum bars that are sealed in the insulating area between the two glass panes. Cleaning your windows is significantly simpler since both the inside and exterior glass surfaces are unaffected.

A permanent interior and exterior grid with spacer will give the room a genuinely genuine appearance. To match the style of your home, interior grids are also available in wood laminates or Euro-White. External grids are offered in Euro-White or exterior-compatible colors. Of course windows grids are optional if you prefer windows without grids.


Flat window grid
Flat Grid
Contour Grid
SDL Window Grid
SDL Grid

Grid Pattern Options:

Are you searching for a gorgeous design element that instantly distinguishes your house both inside and out? For your OKNA Windows & Doors, you may highlight the architectural style that appeals to you by selecting from a variety of decorative grilles.

Diamond window Grid Pattern
SDL Grid

Glass Options:

The different selections of textured glass offered by OKNA Windows add aesthetic flair to any design while providing variable light management. There is a basic glass texture available for almost every application and aesthetic, from traditional to modern, so you have a variety of options at your disposal.

Obscure Glass window
Regular Obscure
Niagara Obscure

Window Screen Options:

Factory-installed half screens with robust handles are available from OKNA Windows. Screens may be easily stored by being removed from the inside. Additionally, we provide ThruVision Screens, which enhance window visibility while providing ideal ventilation and safeguarding the inside from pests.

ThruVision Plus is our fiberglass enhanced visibility screen. This technology enhances your window view by making it crisper and more vibrant, much like high-definition technology has done for viewing television on screens.


Industry Standard Screen
ThruVision Plus Window Screen
ThruVision Plus Screen

Looking For Energy Efficient Replacement Windows?

There are many benefits of installing energy efficient replacement windows. New energy-efficient tax credits have raised the standards for energy-efficient windows. In order to qualify for these tax credits, you must choose a window with a U-Factor of .30 or less. At Aspen, we use a standard U-Factor of .24, which is 18% better than what is required by the tax credits. We even offer Triple-Glazed glass that has a 60% higher U-Value than what is necessary! When you outfit your home with these energy saving replacement windows or “green windows,” you can save up to an average of 45% on cooling and heating bills. The solid cellular composite material we use insulates 99% better than any other materials used to produce windows today!

Call Us And Talk To A Specialist To Learn More About Our Replacement Windows
Or To Schedule A Window Installation Today!

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