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New windows in your home can make a big difference in comfort, and can save energy for heating and cooling as they reduce drafts and heat loss. New windows can also make your home much quieter, blocking outside noise.

Some windows come with reflective coating, called Low-E, to keep heat in during the winter and out in the summer.

Home Energy Performance Score can help you determine your home's energy efficiency, and recommend ways to improve it. 

Federal, local, or utility programs may offer incentives  for energy efficient improvements.