The Window Selection Tool will take you through a series of design conditions pertaining to your design and location. It is a step-by-step decision-making tool to help determine the most energy efficient window for your house.

Use the Window Selection Tool to:

• Compare how various window or skylight types affect estimated energy cost for a typical house in your location.
• Get general feedback on certain design conditions such as orientation, shading and window area.
• Find manufacturers who offer windows and skylights within the categories shown.
• Learn more about manufacturers' specific product options.