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Window Heat Loss Quiz
Test your understanding of window heat loss with randomized questions. Each attempt generates new numbers for a fresh challenge.
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A window with an area of 8.9 m^2 and a U-factor of 2.8 W/m^2K has a temperature difference of 2.5 K. If the window is replaced with a new window with a U-factor of 0.8 W/m^2K, what is the percentage reduction in heat loss?