Homes need central cooling systems in a hotter Singapore

Conventional air-conditioners are not only energy-intensive, but also rely on harmful refrigerants, which contribute to ozone depletion and global warming.

Known for our hot weather and humidity, it is hardly surprising that Singapore is among the top countries in the world in terms of air conditioning use. ST PHOTO: LIM YAOHUI
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Air-conditioning was, in the words of Mr Lee Kuan Yew, the visionary founding father and first prime minister of modern Singapore, perhaps one of the “signal inventions of history”.

“It changed the nature of civilisation by making development possible in the tropics,” he said.

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