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Top Window Replacement & Installation in Keller, Texas Ranked
Upgrading your windows is one of the most impactful home improvements you can make, especially in a climate like Keller's. Professional window replacement and installation directly address the intense Texas heat and humidity, transforming your home's comfort, energy efficiency, and curb appeal. This guide will help you understand the key considerations-from choosing the right materials and styles to navigating the installation process-so you can make an informed decision for your home.

Wow Windows & Glass, LLC
1201 Walnut Ave #6, Carrollton, TX 75006
Wow Windows & Glass, LLC is a window repair and replacement company based in Dallas, TX. They offer services including vinyl replacement windows, insulated glass unit repairs for foggy or broken glass, and screen repair or replacement. The company specializes in high-quality vinyl windows and solar screens to improve energy efficiency for residential properties.

Energy One Windows of Dallas/Ft. Worth
580 Decker Dr #125, Irving, TX 75062
Energy One Windows of Dallas/Ft. Worth is a window replacement and sliding glass door installation company based in Dallas, TX. They specialize in providing energy-efficient, high-performance windows and patio doors designed to enhance home efficiency and appearance. Serving residential customers, they offer in-home consultations and professional installation services.

Lone Wolf Exteriors
4400 State Hwy 121 #300, Lewisville, TX 75056
Lone Wolf Exteriors is a Dallas, TX-based company specializing in window replacement, siding, door, and roofing services. They serve both residential and commercial clients across Texas, offering custom-crafted Mezzo windows with limited lifetime warranties and energy-efficient siding from Prodigy. With over 10 years of experience, they provide fully insured and licensed installation services backed by certified crews.

ProTex Remodeling Windows - Doors - Siding
5001 FM1187 Suite 150, Burleson, TX 76028
ProTex Remodeling Windows - Doors - Siding is a Fort Worth, TX-based company specializing in window replacement and sliding glass door installation. They provide energy-efficient window and door solutions designed for North Texas weather, using certified OSI Quad Max caulking and foam insulation for long-lasting seals. Their Fortress Installation Package includes a 15-year no-leak warranty and a Customer-for-Life Workmanship Guarantee, ensuring durable and precise installations for homeowners.

Texas Windows
217 S Stemmons Fwy # 202, Lewisville, TX 75067
Texas Windows is a window repair, replacement, and sliding glass door installation company based in Dallas, TX. They provide a full range of services including consultation, measurement, installation, and cleanup, specializing in high-performance, energy-efficient windows and secure, stylish door systems. Their work serves both residential and commercial properties, focusing on improving insulation, natural light, and property value.
Why Keller Homes Benefit from New Windows
Living in North Texas means contending with long, hot summers and significant humidity. Your windows are a critical barrier against these elements. Old, drafty, or single-pane windows can allow excessive solar heat gain, forcing your air conditioner to work overtime and leading to high energy bills 1. Modern, energy-efficient window installation seals your home from the outside air, reducing heat transfer by as much as 50% and creating a more consistent, comfortable indoor temperature year-round 2. Beyond comfort and savings, new windows also enhance your home's security, reduce outside noise, and provide a substantial boost to your property's value 3.
Choosing the Right Window Style for Your Home
The style of window you choose affects not only the look of your home but also its ventilation, light, and energy performance. Here are the most popular options for Keller residences:
- Double-Hung Windows: A versatile and extremely popular choice where both the top and bottom sashes can move. This allows for flexible ventilation and makes cleaning the exterior glass from inside your home much easier 2 4.
- Casement Windows: These windows are hinged on the side and crank open outward. When closed, they press tightly against the frame, creating an excellent seal that makes them among the most energy-efficient operating windows available. They are also great for catching cross-breezes 5 6.
- Single-Hung Windows: A classic, often more budget-friendly option where only the bottom sash moves vertically. They offer a clean, traditional look common in many Texas homes 4.
- Sliding Windows: These open horizontally on a track and are ideal for wide views or spaces with limited vertical clearance, such as above a kitchen counter or in a walkout basement 7.
- Picture (Fixed) Windows: Designed to frame a view and flood a room with natural light, these non-operable windows are the most energy-efficient due to their sealed, stationary design. They must be combined with operational windows in a room to meet safety and egress requirements 2 8.
Critical Features for the Texas Climate
Selecting windows with the right features is non-negotiable for weathering Keller's specific conditions. The goal is to block heat, resist humidity, and maintain durability.
Frame Materials:
- Vinyl: Highly recommended for its excellent insulation, resistance to warping and rotting in humidity, and low maintenance requirements. It's a cost-effective and durable choice for Texas homes 9 10.
- Fiberglass: Offers superior strength, durability, and thermal performance. It expands and contracts very little with temperature swings, ensuring a long-lasting seal. It's often at a higher price point than vinyl 9.
- Aluminum: While strong and slim, basic aluminum is a poor insulator. Look for frames with a "thermal break"-a plastic barrier between the interior and exterior metal-to improve energy efficiency 11.
Glass & Glazing:
- Low-E Coatings: A microscopic, virtually invisible coating is essential. It reflects infrared light (heat) while allowing visible light to pass through, significantly reducing solar heat gain in the summer and helping retain indoor heat in the winter 12 13.
- Double-Pane Glass: The standard for energy efficiency. Two panes of glass with a sealed air space between them provide crucial insulation. This space is often filled with inert argon gas, which is denser than air, for even better thermal performance 14 15.
- Solar Heat Gain Coefficient (SHGC): This is the most important rating for our climate. It measures how much solar radiation passes through the window. For Keller, look for an SHGC of 0.25 or lower to minimize heat entering your home 16 11.
- U-Factor: This measures the window's insulation value (rate of heat loss). A lower U-Factor is better. Aim for a U-factor of 0.30 or less for optimal performance 11.
- ENERGY STAR® Certification: Always choose windows that carry the ENERGY STAR label for the South-Central U.S. region. This certification guarantees the product meets strict performance criteria for our specific climate 13.
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Understanding the Window Installation Process
A proper installation is just as important as the quality of the window itself. There are two primary methods:
- Insert (or Retrofit) Installation: The new window is installed within the existing frame. This is less invasive, faster, and preserves your home's interior and exterior trim. It's suitable when the existing frame is square, structurally sound, and free of rot or water damage 17.
- Full-Frame Installation: The entire old window, including the frame and trim, is removed down to the studs. The new unit is installed in the rough opening. This method is recommended when there is existing rot, decay, or you wish to change the window size or style. It allows for a complete inspection of the wall cavity, proper resealing, and often provides a better aesthetic fit 2 18.
A professional installer will ensure the unit is perfectly leveled, squared, and sealed with high-quality flashing and insulation to prevent air and water infiltration, which is critical for long-term performance and warranty validity.
Investment and Value: What to Expect
The cost for window replacement in Keller varies based on the window's style, size, material, glass features, and the complexity of the installation. For quality, energy-efficient vinyl or composite windows, Texas homeowners can expect an average cost ranging from $900 to $1,350 per window installed 2 19.
Here's a general breakdown of average installed costs per window by type and material 2 19 20:
| Window Type/Material | Average Cost Per Window (Installed) |
|---|---|
| Vinyl Windows | $300 - $700 |
| Fiberglass Windows | $800 - $1,500 |
| Wood Windows | $600 - $1,200 |
| Single-Hung Windows | $400 - $900+ |
| Double-Hung Windows | $400 - $1,000+ |
| Casement Windows | $600 - $1,300+ |
| Picture Windows | $300 - $1,300+ |
For a full-home project involving 10-15 windows, total costs generally range from $8,600 to $14,100 or more 20 21. Many companies offer project-based discounts, making a whole-house upgrade a cost-effective strategy. While it's a significant investment, the return comes in the form of lower monthly energy bills, increased comfort, and enhanced home value. Quality windows with professional installation can pay for themselves over time through energy savings and add considerable appeal to potential buyers 21 3.
Frequently asked questions
Sources
Footnotes
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Energy-Efficient Windows for Hot Climates - West Shore Home - https://westshorehome.com/blog/energy-efficient-windows-hot-climates/ ↩
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How Much Does It Cost to Replace Windows in 2025? - Cobex - https://cobexcg.com/how-much-does-it-cost-to-replace-windows/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6
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10 Best Window Replacement Companies in Keller, TX - https://todayshomeowner.com/near-me/texas/keller/windows/ ↩ ↩2
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Texas Window Trends in 2025: What Homeowners Need to ... - https://www.youtube.com/watch?v=rP9-LKOzzLI&t=38 ↩ ↩2
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How Much Do Replacement Windows Cost in Texas? - https://brennancorp.com/blog/how-much-to-spend-on-replacement-windows-texas/ ↩
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Window Styles in TX & LA | Compare Types | All Seasons - https://www.allseasonswindows.com/window-styles ↩
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How Much Does Window Replacement Cost? - Mr. Handyman - https://www.mrhandyman.com/blog/how-much-does-window-replacement-cost/ ↩
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What Are The Best Window Styles For Your Home? - https://www.joycemfg.com/what-are-the-best-window-styles-for-your-home/ ↩
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Best Window Materials for Texas Homes & Why Installation ... - https://www.optimalwindows.com/best-window-materials-texas-homes/ ↩ ↩2
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How to Choose the Best Replacement Windows for Texas Homes - https://www.windowworldhouston.com/blog/how-to-choose-the-best-windows-for-texas-homes/ ↩
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Considerations When Picking Windows for a Hot Texas Climate - https://statewideenergysolutions.com/considerations-when-picking-windows-for-a-hot-climate/ ↩ ↩2 ↩3
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Energy-Efficient Windows for Texas Homes: Maximizing Savings - https://www.dakowindows.com/en/blog/the-impact-of-windows-on-energy-efficiency-in-texas-homes ↩
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Everything You Need to Know About Energy-Efficient Windows in ... - https://www.gulfcoastwindows.com/everything-you-need-to-know-about-energy-efficient-windows-in-houston-tx/ ↩ ↩2
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Energy-Efficient Windows for Texas Homes: Maximizing Savings - https://www.dakowindows.com/en/blog/the-impact-of-windows-on-energy-efficiency-in-texas-homes ↩
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Why You Need Energy Efficient Windows in Texas - Amazing Exteriors - https://amazingexteriors.com/blog/why-you-need-energy-efficient-windows-in-texas/ ↩
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Energy-Efficient Windows for Texas Homes: Maximizing Savings - https://www.dakowindows.com/en/blog/the-impact-of-windows-on-energy-efficiency-in-texas-homes ↩
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Replacement Windows: When You Need Them & How to Shop for Them - https://www.rplumber.com/blog/windows/replacement-windows-when-you-need-them-and-how-to-shop-for-them ↩
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Window Replacement - https://www.surfacebella.com/window-replacement-greenville-sc/ ↩
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Window Replacement Cost in Texas (2025) - Modernize - https://modernize.com/windows/replacement-cost-calculator/texas ↩ ↩2
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Window Replacement Cost in Texas (2025) - Modernize - https://modernize.com/windows/replacement-cost-calculator/texas ↩ ↩2
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5 Ways Replacement Windows Save You Money. Costs And - https://protexremodeling.com/2025/07/18/5-ways-replacement-windows-save-you-money-true-costs-payback-and-benefits-for-texas-homeowners/ ↩ ↩2