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Top Window Replacement & Installation in Flower Mound, Texas Ranked
Upgrading your windows is one of the most impactful home improvements you can make in Flower Mound. New window installation directly combats the intense Texas heat, slashes energy bills, and enhances your home's comfort, security, and curb appeal. This guide will help you understand the local considerations, from popular styles and energy-efficient features to project costs, so you can make an informed decision and connect with qualified professionals in your area.

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.

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.

The Window Source of DFW
3216 Commander Dr Ste 101, Carrollton, TX 75006
The Window Source of DFW is a window replacement and sliding glass door installation company based in Dallas, TX. They specialize in custom window replacements and sliding door installations, serving the broader Dallas-Fort Worth area including southern sectors like Oak Cliff. The company is known for quality workmanship and customer service throughout the installation process.
Why Flower Mound Homeowners Choose New Windows
The primary driver for window replacement in our North Texas climate is managing solar heat gain. Older, inefficient windows allow the sun's heat to pour into your home, forcing your air conditioner to work overtime 1. Modern, energy-efficient windows act as a thermal barrier, keeping indoor temperatures stable and significantly reducing cooling costs 2. Beyond energy savings, new windows improve home security with better locks, reduce outside noise, eliminate drafts, and protect your furnishings from harmful UV fading. For many, it's also a key aesthetic upgrade that modernizes a home's exterior and can increase its overall value.
Popular Window Styles for Flower Mound Homes
Flower Mound's architecture ranges from traditional to modern, and the right window style complements your home's design while meeting your functional needs 3.
Double-Hung & Single-Hung Windows These classic styles are ubiquitous for good reason. Double-hung windows feature two operable sashes, allowing you to open the top to let hot air escape and the bottom to draw in cooler air-perfect for managing ventilation in our climate 1. Single-hung windows have a movable bottom sash and a fixed top, offering a similar look at a often more budget-friendly price point 4. Both are versatile choices for most traditional home designs.
Casement Windows Hinged on the side and cranking outward, casement windows provide excellent, unobstructed views and a superb seal when locked. Their design allows them to catch side breezes effectively, and when closed, the compression seal makes them among the most energy-efficient operable windows available 5 6.
Picture Windows As large, fixed panes of glass, picture windows are designed to frame a view and flood a room with natural light. Because they don't open, they offer maximum energy efficiency due to their completely sealed nature 7. They are often combined with smaller operable windows (like casements or sliders) on the sides to provide both view and ventilation.
Sliding Windows Also known as gliding windows, these operate by moving horizontally on a track. They are a sleek, contemporary option ideal for modern homes and spaces where outward-opening windows are impractical, such as near patios or walkways 1.
Bay & Bow Windows These are architectural statements that project outward from your home's exterior wall. A bay window typically consists of a large central picture window flanked by two smaller angled windows (often double-hung or casement). A bow window is comprised of four or more equal-sized windows arranged in a gentle curve. Both styles create a sense of added space, increase natural light, and enhance curb appeal, representing a more significant investment in both product and installation 4.
Essential Energy-Efficient Features for Texas
Selecting the right glass and frame materials is not just about aesthetics; it's a critical defense against the Flower Mound heat 1.
Glass & Glazing
- Low-E Coatings: Low-emissivity (Low-E) glass is non-negotiable for Texas homes. This microscopic, invisible coating reflects infrared heat (keeping it outside in summer, inside in winter) and blocks a substantial portion of damaging UV rays, protecting your floors and furniture 8 9.
- Double-Pane & Gas Fills: Double-pane insulated glass units (IGUs) are the standard. The space between the panes is often filled with inert gases like argon or krypton, which are denser than air and provide superior insulation compared to plain air 10. Triple-pane windows offer even greater performance for those seeking the ultimate in efficiency.
- ENERGY STAR® Certification: Always look for the ENERGY STAR® label. Windows certified for the South-Central U.S. climate zone are tested and rated to meet strict performance criteria for heat gain and loss, ensuring they are specifically engineered for our region 11.
Frame Materials
- Vinyl: Extremely popular due to its excellent balance of affordability, durability, and low maintenance. Modern vinyl frames are well-insulated, resist warping in heat and humidity, and never need painting 9 10.
- Fiberglass: Known for exceptional strength and durability, fiberglass frames have expansion rates similar to glass, which helps maintain a tight seal. They can withstand extreme temperature swings and are often finished with long-lasting acrylic coatings 5.
- Wood: Offers timeless beauty and excellent natural insulation. However, wood frames require significant maintenance (painting or staining) to withstand the Texas elements and are typically at a higher price point 1.
- Aluminum: Very strong and slim, allowing for maximum glass area. Traditional aluminum is a poor insulator, but thermally broken aluminum frames include a plastic barrier between the interior and exterior metal to reduce heat transfer, improving energy efficiency 10.
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Understanding Window Replacement Costs in Flower Mound
The cost for residential window replacement in Flower Mound typically ranges from $500 to $1,700 per window installed, with the final price depending on the complex interplay of style, size, material, glass features, and labor 2 12. Here's a breakdown of typical installed costs per window in the North Texas area to help you budget 7 8:
| Window Type | Average Cost (Installed, per window) |
|---|---|
| Single-Hung Windows | $400 - $900+ |
| Double-Hung Windows | $400 - $1,000+ |
| Casement Windows | $600 - $1,300+ |
| Picture Windows | $300 - $1,300+ |
| Sliding Windows | $800 - $1,700+ |
| Bay/Bow Windows | $1,500 - $3,500+ per unit |
Frame material also significantly influences price. On a single-hung window basis, estimates are: Vinyl: $390 - $830+; Fiberglass: $320 - $680+ (note: other sources list higher, premium pricing); Wood: $850 - $1,900+ 2 11. Remember, these are per-window ranges. A full-home project will have a total cost based on the number of windows. It's also worth investigating potential rebates from Texas utilities or federal energy efficiency tax credits, which can help offset your investment 13 14.
The Professional Installation Process
A proper installation is just as important as the quality of the window itself. A reputable local professional will guide you through a clear process:
- Consultation & Measurement: An expert will assess your needs, discuss style and material options, and take precise measurements of every opening.
- Product Selection & Ordering: Based on your goals and budget, you'll select your windows. The company then orders your custom-sized units.
- Preparation & Removal: On installation day, the work area is protected. Old windows are carefully removed, and the opening is inspected for any rot or damage that needs repair.
- Installation & Sealing: The new window is set, leveled, and shimmed. It is then securely fastened into the opening. Critical to performance, a continuous seal of high-quality caulk or flashing tape is applied around the exterior to prevent air and water infiltration 15.
- Finishing & Inspection: Interior trim is installed or replaced, and the window operation is tested. A final walk-through ensures your satisfaction.
Permitting: Simple, like-for-like replacements often do not require a permit in Flower Mound. However, if you are changing the window size, altering the structural opening, or adding new windows where none existed, a building permit is usually required. Your installation professional should handle this and ensure the work complies with local building codes 7 15.
Frequently asked questions
Sources
Footnotes
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Top Window Styles for Texas Homes in 2025 | Austin & San ... - https://www.showroomwindows.com/blog/top-window-styles-texas-homes-2025/ ↩ ↩2 ↩3 ↩4 ↩5
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How Much Do Replacement Windows Cost in Texas? - https://brennancorp.com/blog/how-much-to-spend-on-replacement-windows-texas/ ↩ ↩2 ↩3
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Window Replacement Flower Mound TX - https://windowreplacementflowermound.com/ ↩
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Window Types We Offer in Dallas - Conservation Construction - https://conservationconstructionofdallas.com/windows/window-types-dallas/ ↩ ↩2
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How to Choose the Right Window Style for Your Texas Home - https://www.texaswindowstore.com/how-to-choose-right-window-style/ ↩ ↩2
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Finding the Perfect Fit for Every Texas Home - Gulf Coast Windows - https://www.gulfcoastwindows.com/the-ultimate-guide-to-window-types-finding-the-perfect-fit-for-every-texas-home/ ↩
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How Much Do Replacement Windows Cost in North Texas - https://statewideenergysolutions.com/how-much-do-replacement-windows-cost-in-north-texas-your-complete-guide/ ↩ ↩2 ↩3
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Window Replacement Cost in Texas (2025) - Modernize - https://modernize.com/windows/replacement-cost-calculator/texas ↩ ↩2
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Best Replacement Windows: Top Choices for Texas Homeowners - https://www.texaswindowstore.com/best-replacement-windows/ ↩ ↩2
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The Ultimate Guide to Window Materials for Texas Homes in 2025 - https://www.gulfcoastwindows.com/the-ultimate-guide-to-window-materials-for-texas-homes-in-2025/ ↩ ↩2 ↩3
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How Much Does Window Replacement Cost in 2025? - Modernize - https://modernize.com/windows/replacement-cost-calculator ↩ ↩2
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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 Do Replacement Windows Cost? - https://houstonwindowexperts.com/much-replacement-windows-cost/ ↩
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How much does it cost to replace windows in Texas? - https://texashomeimprovement.com/blog/how-much-does-it-cost-to-replace-windows-in-texas/ ↩
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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