This 68p hack is going viral as the best way to keep a house cool in a heatwave

As the heatwave reaches its peak, we’re willing to try just about anything to try and stay cool. 

Since it’s often too hot to sleep in the summer, with warnings of today being the hottest in UK history with predicted highs of 43C, people are coming up with unique ways to beat the heat.

One viral hack? Putting kitchen foil on windows to redirect the heat from the sunlight. And this isn’t a tinfoil hat theory – the science is there to back this one up.

(Image credit: Future PLC)

The kitchen foil on windows trick