What Is Energy Efficiency? - 02nd November 2014
What is energy efficiency? The best way to understand this idea is through examples as examples, When you replace a single pane window in your house with an energy-efficient one, the new window prevents heat from escaping in the winter, so you save energy by using your furnace or electric heater less while still staying comfortable. In the summer, efficient windows keep the heat out, so the air conditioner does not run as often and you save electricity.
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