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The image displays diagrams of thermal building techniques for cool and warm climates. Cool climate diagram depicts a high-angled roof with direction of sun, building material with insulation for heat storage and heat loss reduction, and a window. Warm climate diagrams show day and night configurations; during the day, external insulation and reflection, reflective roof material, roof overhangs for shade, insulation, and windows closed and covered, while at night, ventilation with stored heat removed and windows open. No numerical data points/percentages provided.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagrams offer two principles of house design that are suitable for two types of climates, which are cool and warm.
On one hand, it is obvious that the house is built in a cool climate and needs thermal building materials, storing heat to build interior walls. However, the insulation, which is used for outside walls, should reduce heat. In addition, the roof must be designed at a high angle, and as a result, the window can receive the highest amount of light, which is suitable to warm up the house.
On the other hand, the house design for a warm climate includes external insulation and reflection during the day. In more detail, reflective roof materials are used to reflect heat. Furthermore, the roof changes to shade the windows while they are closed and covered. By contrast, by opening the windows at night, the house is ventilated, removing stored heat.
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