NFRC

University of Minnesota’s Center for Sustainable Building Research

The University of Minnesota is one of the nation’s top public research universities and one of the most comprehensive public universities in the world. The University of Minnesota has five campus locations with 65,000 students and provides a thriving community for those with an overwhelming drive to teach and to learn, to research and to serve.

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Energy Efficient Window's Labels and Ratings

Discussing What Labels and Ratings for Energy Efficient Windows Mean

As your living situation changes, the reasons to replace your windows will change. You may decide that your home needs more light as it ages or a room in the home may become too stuffy, requiring more ventilation. Light and ventilation are only two reasons homeowners replace windows. The main reason for window replacement is energy loss. In newer and older homes, worn or standard windows may have to be replaced to help reduce energy loss.

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Energy Efficient Windows

Looking at the Different Types of Energy Efficient Windows

Energy efficient windows keep cold air out during winter and air conditioning in during summer. These windows typically have more than one layer, low-E coatings, and high quality edge spacers and frames. Regardless of the type of energy efficient window, all offer energy cost savings thanks to less air leakage, less condensation, and increased light, which can reduce heating bills during winter.

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