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|作者：英语点津 文章来源：China Daily 点击数：42 更新时间：2017/2/26|
Spend five minutes in humid Ho Chi Minh City and you'll probably be running for cover into the nearest air-conditioned refuge.
In the Vietnamese city -- and many developing subtropical countries across Asia, such as Indonesia and the Philippines -- air conditioning (AC) is increasingly being considered a necessity.
But one architecture firm is advocating a different way to keep cool.
T3 Architecture Asia, which has offices in Vietnam and France, specializes in back-to-basics "bioclimatic architecture", which it says could make energy-guzzling AC units redundant.
By harnessing the local topography, climate, and vegetation, as well as cleverly manipulating a building's orientation, the firm can naturally create a comfortable indoor climate.
Charles Gallavardin, director of T3 Architecture Asia, first forayed into bioclimatic architecture in 2005. In cooperation with the World Bank, he built an affordable apartment building in Ho Chi Minh City, which houses 350 families in an impoverished neighborhood where AC bills were to be avoided.
"You don't need to spend money on air conditioning, even in a hot climate like Ho Chi Minh, as long as your building is well designed," Gallavardin tells CNN.
Covered open-air corridors, ventilated roofs, fiber-glass insulation and the use of natural materials meant the Ho Chi Minh City units offered both natural light and ventilation.
"We try to avoid big glass facades facing east or west, because that would make the building like an oven in a tropical climate," he says.
"If you work with the main wind stream and have smart sun protection, you can do it -- you really can design buildings that need no air conditioning in a hot place like Vietnam."
Gallavardin explains that a typical bioclimatic T3 building is naturally about 41 Fahrenheit (22 Celsius) cooler than the outside temperature, with natural ventilation and the odd ceiling fan doing the rest of the work.
Since that first project, Gallavardin has built several luxury bioclimatic hotels in Cambodia and Myanmar, a concept restaurant in Ho Chi Minh City, and even his own green office for the T3 team.
Other architects are also experimenting with this style of building.
In Indonesia, Andyrahman Architect's Biophilic Boarding House was shortlisted in the World Architecture Festival's Building of the Year 2016 competition, praised for its perforated walls that help the building stay cool in tropical Surabaya, a congested port city in East Java.
In China, American architecture firm Perkins & Will took a bioclimatic approach to the new Shanghai Natural History Museum -- while the building provides air-conditioning in gallery areas to protect the artwork from humidity, it also has automated windows and skylights to naturally ventilate public areas.
The museum saves 15% on energy consumption compared to a standard-design museum.
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