What U-Factor and SHGC Ratings Are Best for North Texas Climate Zone 3?
If you are replacing windows in North Texas, the right numbers matter more than the marketing label on the brochure. SHGC, or Solar Heat Gain Coefficient, measures how much solar heat passes through the glass. The exact sweet spot depends on where the window faces, how much shade the home has, and whether you care more about summer cooling, winter sunlight, or both. An experienced company can confirm the cause with a quick inspection. Why U-Factor Matters So Mu