![London heatwave: Aldi, Asda, Tesco and Lidl's cheapest fans and how much it costs to run them in your house all day - MyLondon London heatwave: Aldi, Asda, Tesco and Lidl's cheapest fans and how much it costs to run them in your house all day - MyLondon](https://i2-prod.mylondon.news/incoming/article24471133.ece/ALTERNATES/s1200/0_GettyImages-994185512-1.jpg)
London heatwave: Aldi, Asda, Tesco and Lidl's cheapest fans and how much it costs to run them in your house all day - MyLondon
![London heatwave: Aldi, Asda, Tesco and Lidl's cheapest fans and how much it costs to run them in your house all day - MyLondon London heatwave: Aldi, Asda, Tesco and Lidl's cheapest fans and how much it costs to run them in your house all day - MyLondon](https://i2-prod.mylondon.news/incoming/article24471223.ece/ALTERNATES/s615b/1_GettyImages-1373098220.jpg)
London heatwave: Aldi, Asda, Tesco and Lidl's cheapest fans and how much it costs to run them in your house all day - MyLondon
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