When choosing new windows for your Indianapolis home, look is not the only thing to consider. Their protection factor is just as important. When choosing a glass type for your windows, it’s helpful to know how well each option will protect your home. Energy-efficiency is important, but shielding your space from the sun is also something worth thinking about. After all, the sun not only fills your home with heat and natural light, but its rays can also cause glare and fade your carpet and furnishings.