With the UK heatwave still baking Brits in temperatures circling 30C, everyone’s been turning to ways to keep cool reliably and for as little as possible.

Even though experts have warned that electric fans don’t cool a room, and aren’t recommended for us at all in true heatwave conditions above 35C, many millions of Brits still use fans to try to stay chilled in the summer warmth.

But heating experts at BOXT have worked out the true cost of running an electric fan, especially with many…