Just Roof General Contractor LLC — Expert roofing, remodeling & construction in Dallas–Fort Worth.
The Real Cost of Old Windows
In the Dallas–Fort Worth area, where summer temperatures regularly exceed 100°F, your windows play a massive role in your energy costs. Single-pane windows or older double-pane units with failed seals can account for 25–30% of your home's total heating and cooling loss. That translates directly to higher utility bills every month.
What Makes a Window 'Energy-Efficient'?
Energy-efficient windows are rated by several key metrics. The U-Factor measures how well the window insulates — lower is better. The Solar Heat Gain Coefficient (SHGC) measures how much solar heat passes through — in Texas, you want this low. Low-E (low-emissivity) glass has a microscopic metallic coating that reflects infrared heat while allowing visible light through.
Energy Star Certification for Texas
The EPA's Energy Star program divides the U.S. into climate zones. Texas falls in the South-Central zone, which has specific requirements for SHGC values. Windows certified for this zone are optimized to block the intense Texas sun while still providing natural light.
How Much Can You Actually Save?
- ✓According to the U.S. Department of Energy, replacing single-pane windows can save $125–$465 per year in energy costs.
- ✓Replacing double-pane non-efficient windows saves $27–$111 per year.
- ✓In Texas, with our extreme summers, savings tend to be at the higher end of these ranges.
- ✓Over a 15-year window lifespan, total savings can reach $1,500–$7,000 depending on your home size.
Additional Benefits Beyond Energy Savings
- ✓Reduced UV damage to furniture, flooring, and artwork.
- ✓Better noise reduction — important in busy DFW neighborhoods.
- ✓Increased home value — new windows offer one of the best ROIs in home improvement.
- ✓Improved comfort — no more hot spots near windows in summer.
- ✓Enhanced curb appeal with modern frame styles and colors.
Frame Materials: What to Choose
Vinyl frames are the most popular choice in Texas — they don't conduct heat or cold, require minimal maintenance, and are cost-effective. Fiberglass frames offer superior strength and insulation but cost more. Wood frames are beautiful but require more maintenance in Texas humidity. Aluminum frames are strong but conduct heat, making them less ideal for energy efficiency.
The Installation Process
Professional window installation is critical to achieving the energy savings you're paying for. Improperly installed windows — even expensive ones — will leak air and water, negating all the benefits. At Just Roof, our window installation team uses foam insulation, proper flashing, and manufacturer-approved techniques to ensure a perfect seal every time.
Financing Available
Just Roof partners with Service Finance Company to offer flexible financing options for window replacements. With approved credit, you can start saving on energy costs immediately while spreading the investment over time. Call 469-750-9742 to learn more.
