Energy Star Window Requirements for Texas South-Central Climate Zone
For homeowners in Coppell and the wider Texas South-Central climate zone, Energy Star is a strong starting point when comparing replacement windows, but it should never be the only spec you look at. The main point is that this climate is built for heat management first. A window that looks efficient on paper but lets in too much solar heat can still make a house feel miserable in August, especially on west-facing rooms that take direct afternoon sun. What Energy Star