前天文台台長林超英十分環保，曾在社交平台表示，「用了十年時間證明不開冷氣不會死。」在7月24日錄得36度高溫時，林超英僅憑USB風扇製造氣流，撐過悶熱天氣。有網民留言請教自製氣流方法，前台長大方分享，一齊睇睇點做喇！
前天文台台長林超英今日發文，配上手畫圖簡介如何製造氣流。前台長指，構成共有3部分，分別是「抽風入屋」、「引氣流深入屋內」、及「抽風出外。」他補充「抽風可以用低耗電量的USB風扇或抽風扇，鴨寮街有售，數十元有交易，圖中的「循環扇」有平有貴，其實用風扇也可以，關鍵是放在入風口不遠處，方便把外來空氣帶入屋內，沒有它的話，入氣口的空氣可能被出氣口的抽風機直接吹出去，屋的內部就接收不到新鮮空氣了。」
有網民讀完帖文後表示會嘗試。不過，不少人認為不可行，並留言稱「樓上樓下開冷氣，抽進室內都是人家的熱氣」、「抽風只會令房間有大量灰塵」、「樓下就係人地屋企廚房」、「要說服你樓上樓下左右隔離唔好開冷氣」。
來源：林超英Facebook
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