What Makes A Window Energy Efficient?
A pane of glass will not insulate your home. The problem is that during the winter, the pane of glass will absorb heat from inside your home, and as cold air moves across the window on the outside, it will absorb heat from the window. In other words, heat is constantly leaking out of your home through the windows. Window manufacturers will try various strategies to improve the energy efficiency of your windows, and by understanding how each strategy works, you will be better prepared to choose a good window for your home.
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