Poorer households use more water to beat heat while richer ones turn up air-con, study finds

SINGAPORE – When temperatures rise, lower-income households here use more water whereas higher-income households consume more electricity, a local study has found. The study tracked the water and electricity bills of about 130,000 households staying in apartments from September 2012 to December 2015. It found that with a 1 deg C increase in temperature, the average household living in a two-room apartment increases water use by 9 litres per day. At the time of the study, less than a fifth of two-room apartments had air-conditioning. In contrast, heat induces larger…

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