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Archive of posts tagged u-factor

Selecting High Performance Windows

There are over 100 million homes and approximately 20 billion square feet of clear glass residential windows in the U.S. Most of these homes are more than 30 years old, and as a result, the market is growing for replacement windows with energy efficient insulating glass units (IGUs). High performance options are now readily available []

Windows

Windows today are typically made of at least two pieces of glass sealed together all around and filled with an inert gas in the small gap between the two glass panes. The glass surfaces facing the inside (where the inert gas is) are coated with materials that affect the heat transfer. Many windows are called []