Originally from Hong Kong, Ty Lee is used to hot summers consistently above 30°C but he has never known a day exceeding 40°C. Who would have thought that he would first experience such heat in London this July? We have seen record-breaking heat waves across the US, Europe and Asia this summer. Most people would turn on their air conditioning (AC) units when temperature reaches 40°C, if they have one. However, space cooling is energy intensive.
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