As we all know, the effect of lighting and ventilation is related to the distance between the front and rear buildings, the surrounding environment, the orientation of the house, the size of the window and the size of the window that can be opened. Today I will talk about the knowledge of house windows.
I. Size of window area
Lighting can be divided into direct lighting and indirect lighting. Direct lighting refers to directly opening the lighting window. Indirect lighting refers to the closed corridor (usually the veranda), the hall and kitchen with direct lighting. Some kitchens, halls and bathrooms use small patios for lighting, and the lighting effect is like indirect lighting. When buying a house, the main room should have good direct lighting, and at least one main room faces the sun. Natural lighting area refers to the area where natural light is used indoors. "Residential Design Code" provides for residential lighting:
1, bedroom, living room (hall), kitchen should have natural lighting.
2, bedroom, living room (hall), kitchen lighting coefficient should not be less than 65438 0%; When the lighting window is set in the residential stairwell, the lighting coefficient should not be less than 0.5%.
3, bedroom, living room (hall), kitchen lighting window hole window area ratio should not be less than 1/7.
Generally speaking, the bigger the window, the better the lighting, but the bigger the window, the better. Because if the indoor lighting area is large and the light is too strong, long-term exposure will inevitably lead to lighter colors of indoor furniture and decorations. In addition, the large lighting window is easy to make the indoor temperature and humidity unstable. For example, in summer, the indoor temperature will rise when the sunlight is strong and direct. Even if the air conditioner is turned on, the cooling effect is not good and energy cannot be saved. When handing over the house, the windows are all ready, and the area and aspect ratio are all set. So pay attention to the size of the window when buying a house. In general buildings, the common window size is1.5m * 0.9m. The following are the window sizes of some common indoor spaces:
Living room:1.5m *1.8m ~1.8m * 2.1m
Children's room:1.2m *1.5m ~1.5m *1.8m.
Big bedroom:1.5m *1.8m ~1.8m * 2.1m.
Toilet: 0.6m * 0.9m ~ 0.9m *1.4m.
Kitchen: 1.2m* 1.5m, 1.5m* 1.8m,1.8m * 2.4m.
Second, the size of the window that can be opened.
We often say, open the window to ventilate the room. Open the window and let the wind blow in, which can achieve ventilation. When buying a house, the window area and how many windows can be opened are fixed. As shown below, one can open two windows, and one can only open one window.
In addition, there are various ways to open the window. Common methods to open a window are as follows:
When buying a house, we must pay attention to the size of the window and the area of the window that can be opened. Because it is related to the lighting and ventilation effect of the house. In addition, the height of the window from the ground, whether opened indoors or outdoors, is a safety issue worthy of buyers' attention.
(The above answers were published on 20 17-02- 14. Please refer to the actual situation for the current purchase policy. )
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