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Efficient Windows Collaborative

Window Selection Tool: New Construction Windows

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.

1 Story (1700 sf)
2 Story (2600 sf)


ENERGY STAR Zones  |  IECC Zones



New Construction Windows

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