We Can Provide Any Type of Window You Need

Take A Look at Some Of The Beautiful Styles We Offer

At The Door Store, our mission is to give you the EXACT windows you want—expertly installed and for a fair price.

With that in mind, take a look at some of the most popular replacement windows we install for Chicago’s Western Suburbs. (Note: If you don’t see the style of window you want on this list, don’t worry—there is a 99.9% chance we carry it. Contact us for information on more options.)

Double-Hung Windows

Double-hung windows offer a classic design, a ton of versatility, and a variety of benefits. Tilted or removable sashes make for easy cleaning, and top and bottom openings increase ventilation. These windows are equipped with weather-stripping and double glazing, enhancing energy efficiency to keep your home comfortable year-round.

Energy Efficiency: Double-hung windows typically have high energy efficiency ratings due to their design, with U-factors ranging from 0.27 to 0.30, which helps in reducing energy costs.

Technical Specifications:

• Materials: Vinyl  
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.27-0.30, SHGC 0.20-0.30

Slider Windows

Sliding windows can be a cost-friendly way to replace your existing windows, as they can fill a space that would normally hold two windows. Our sliding windows are made with premium quality to ensure low maintenance and a lifetime of great performance.

Energy Efficiency: Slider windows offer excellent energy efficiency with U-factors typically between 0.25 and 0.29, making them a great choice for energy savings.

Technical Specifications:

• Materials: Aluminum, vinyl
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.25-0.29, SHGC 0.19-0.30

Casement Windows

Casement windows offer gorgeous, unobstructed views. They insulate and seal tightly to keep your home warm and comfortable. Casement windows open to a full 90 degrees for full ventilation and ease of cleaning from inside your home.

Energy Efficiency: Casement windows are known for their superior energy efficiency, with U-factors between 0.17 and 0.28, providing excellent insulation.

Technical Specifications:

• Materials:  Vinyl
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.17-0.28, SHGC 0.27-0.30

Awning Windows

Awning windows also offer large, unobstructed views. They insulate and seal tightly just like casements, keeping your home warm and comfortable. Awning windows open from the bottom to shield the inside of your home from rain while still letting in a fresh breeze.

Energy Efficiency: Awning windows have U-factors ranging from 0.25 to 0.29, offering great energy efficiency and protection from the elements.

Technical Specifications:

• Materials: Aluminum, vinyl
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.25-0.29, SHGC 0.20-0.30

Picture Windows

Picture windows allow for big, beautiful views of the outside. As they are fixed and do not open, picture windows offer great energy efficiency—perfect for letting in natural light without cold air.

Energy Efficiency: Picture windows are highly energy efficient, with U-factors typically between 0.20 and 0.25.

Technical Specifications:

• Materials: Vinyl
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.20-0.25, SHGC 0.18-0.25

Bow Windows

Bow windows extend outward at a gradual arc to provide more light inside your home and make any room feel larger. We can even install seat boards to create a truly beautiful and relaxing space.

Energy Efficiency: Bow windows have U-factors ranging from 0.22 to 0.30, combining style with energy savings.

Technical Specifications:

• Materials: Vinyl
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.22-0.30, SHGC 0.25-0.32

Bay Windows

Bay windows are very similar to bow windows in how they extend outwards. Unlike a bow window, they extend from the house at a sharper angle and have three sides with a large picture window in the middle. Adding a bay window to any room will really lighten up the space and make it feel larger.

Energy Efficiency: Bay windows offer U-factors between 0.25 and 0.30, providing excellent insulation and aesthetic appeal.

Technical Specifications:

• Materials:  Vinyl
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.25-0.30, SHGC 0.24-0.30

Garden Windows

Garden windows also extend outward from the house, but they are square in shape with an angled glass top. They are primarily used to store plants but are also another excellent way to add light and make a room feel larger.

Energy Efficiency: Garden windows have U-factors typically ranging from 0.28 to 0.32.

Technical Specifications:

• Materials: Vinyl, aluminum
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.28-0.32, SHGC 0.22-0.30

Specialty Windows

Specialty windows are not the traditional rectangle shape. They can be full circles, half circles, quarter circles, triangles, or trapezoids—the possibilities are endless. If you’re looking for a truly custom window, a specialty window from The Door Store is a fantastic choice.

Energy Efficiency: Specialty windows vary widely in energy efficiency depending on their shape and design, with U-factors generally ranging from 0.24 to 0.35.

Technical Specifications:

• Materials: Custom options available
• Dimensions: Custom sizes available
• Performance Ratings: U-factor 0.24-0.35, SHGC 0.20-0.32

Frequently Asked Questions

Q: What is the best window style for energy efficiency? A: Casement windows are generally the best for energy efficiency due to their tight seal. Double-hung and slider windows also offer great energy efficiency with proper weather-stripping and glazing.

Q: How do I maintain my new windows? A: Regular cleaning and inspections are essential. Ensure the tracks and seals are free from debris and check for any signs of wear or damage. For wooden windows, periodic painting or staining may be necessary to protect the material.

Q: Can I install new windows myself? A: While DIY installation is possible, professional installation is recommended to ensure the windows are properly fitted and sealed for optimal performance and warranty protection.

Q: What materials are best for window frames? A: Vinyl and   are popular for their durability and low maintenance.    offers a classic look but requires more upkeep. Aluminum is strong and lightweight but can be less energy efficient.

Let’s Get Started

Looking for replacement windows in Westchester, Lombard, Elmhurst, and the surrounding Western Suburbs? Contact us today for an accurate, no-pressure quote. We would love to help you decide on the right windows for your situation and budget.