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Why is it important to consider window size and orientation in solar design?

  1. To minimize building materials

  2. To maximize heating and cooling efficiency

  3. To enhance visual appeal

  4. To reduce construction time

The correct answer is: To maximize heating and cooling efficiency

Considering window size and orientation in solar design is crucial for maximizing heating and cooling efficiency. Properly sized windows placed in the right orientation can significantly influence the amount of natural light entering a building, which affects the internal temperature. When windows are oriented to gain maximum solar heat during the winter months, they can reduce reliance on heating systems, thereby lowering energy consumption. Conversely, in warmer months, appropriate window size and orientation help minimize unwanted heat gain, which can lower cooling demand and energy costs. Implementing these concepts not only improves thermal comfort for occupants but also contributes to a building's overall energy performance. Thoughtful window design becomes an integral part of the passive solar strategy, enhancing energy efficiency while maintaining a balance between natural lighting and heat management.