Windows were once little more than holes cut in walls to let light and air into rooms. Today they bring beauty and light, warmth and cooling breezes into homes while providing a sense of openness and space.

On the down side, windows can also let in the winter chill or the summer heat. They can make a home drafty, uncomfortable, and energy inefficient.

Fortunately, modern windows make the most of the benefits of windows while minimizing the drawbacks. Single-pane glass has been replaced by multi-panes separated by insulating materials. Frames are made of new, more energy efficient materials. Even the glass itself has been coated to reflect heat.

Explore the options on the right to learn more about today's improved windows - and how the right window choices can save you money and increase your comfort.