What To Look For When Buying Replacement Windows

Dec 18, 2025

When it comes to upgrading your home with new replacement windows, it’s important to choose a reputable company that offers high-quality products and exceptional service. Signature Windows, a Texas-based company specializing in replacement windows for residential homes, is a great option for homeowners in the Houston and Dallas-Fort Worth areas. With premium window brands like Pella, Andersen, and Jeld-Wen, factory-trained certified technicians, financing options, and lifetime transferable warranties, Signature Windows provides homeowners with long-term value and peace of mind.

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But with so many options out there, how do you know what to look for when buying replacement windows? In this article, we’ll explore some key factors to consider when choosing replacement windows for your home.

1. Energy Efficiency
One of the most important factors to consider when buying replacement windows is energy efficiency. Energy-efficient windows can help reduce your heating and cooling costs, improve the comfort of your home, and reduce your carbon footprint. Look for windows with a high energy efficiency rating, such as ENERGY STAR certified windows, which meet strict energy efficiency guidelines set by the Environmental Protection Agency.


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Signature Windows offers a range of energy-efficient windows from top brands like Pella, Andersen, and Jeld-Wen. These windows are designed to keep your home comfortable year-round, while reducing your energy bills and environmental impact.

2. Material
Another important factor to consider when buying replacement windows is the material. The most common materials for replacement windows are vinyl, wood, aluminum, and fiberglass. Each material has its own benefits and drawbacks, so it’s important to choose the right material for your home.

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Vinyl windows are a popular choice for their affordability, low maintenance, and energy efficiency. Wood windows offer a classic look and can be painted or stained to match your home’s decor. Aluminum windows are strong and durable, but can be less energy efficient than other materials. Fiberglass windows are a newer option that combines the strength of aluminum with the energy efficiency of vinyl.

Signature Windows offers a wide selection of replacement windows in a variety of materials, so you can choose the best option for your home.

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3. Style
When buying replacement windows, it’s important to consider the style of your home and choose windows that complement its architecture. Signature Windows offers a range of window styles, including double-hung, casement, sliding, bay, and bow windows, so you can find the perfect fit for your home.

Double-hung windows are a classic choice that can be opened from the top or bottom for easy cleaning and ventilation. Casement windows open outward like a door and provide excellent ventilation. Sliding windows slide open horizontally and are a great option for tight spaces. Bay and bow windows create a dramatic focal point and add visual interest to your home.

4. Glass
The type of glass used in replacement windows can have a big impact on their energy efficiency and performance. Look for windows with low-emissivity (Low-E) glass, which has a special coating that reflects heat back into your home in the winter and blocks it out in the summer. This can help reduce your energy bills and improve the comfort of your home.

Signature Windows offers replacement windows with Low-E glass from top brands like Pella, Andersen, and Jeld-Wen. These windows are designed to keep your home comfortable year-round, while reducing your energy bills and environmental impact.

5. Installation
Another important factor to consider when buying replacement windows is the installation process. Proper installation is key to ensuring that your windows perform as intended and provide maximum energy efficiency and durability. Look for a company that offers factory-trained certified technicians who have the skills and experience to install your windows correctly.

Signature Windows takes pride in providing full-service installation by factory-trained certified technicians. They handle every step of the installation process, from consultation to final inspection, to ensure that your windows are installed correctly and provide long-term value and peace of mind.

6. Warranty
Finally, when buying replacement windows, it’s important to consider the warranty offered by the manufacturer and the installation company. A lifetime transferable warranty can give you peace of mind knowing that your investment is protected for the long term. Look for a company that offers a comprehensive warranty that covers both the product and the installation.

Signature Windows offers lifetime transferable warranties on all replacement windows, so you can enjoy peace of mind knowing that your investment is protected. Their warranties cover both the product and the installation, so you can rest assured that your windows will provide long-term value and performance.

In conclusion, when buying replacement windows for your home, it’s important to consider factors such as energy efficiency, material, style, glass, installation, and warranty. By choosing a reputable company like Signature Windows that offers high-quality products, exceptional service, and long-term value, you can upgrade your home with confidence and peace of mind.

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 Because of the new windows, the front of the house has a whole new look. We love it! 
 From choosing the right windows to installation, Signature Windows did a great job! 
 Signature worked with us to accommodate all our needs and were on time for all visits. We highly recommend! 
 Outstanding job! Recommend 100%. Thank you guys! 
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Signature Windows and Doors

7250 Dallas Parkway
Plano, TX 75024
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817.752.9266

2101 CityWest Blvd, Suite 100
Houston, TX 77042
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281.346.9509