With the UK in the grips of a sweltering heatwave, we'll try anything to lower the temperature in our homes to keep cool.
While you may be tempted to crank open the windows to let some fresh air in, experts have explained that this isn't always the smartest option.
Deciding whether to keep our windows closed or open them slightly involves considering the direction the sun is facing. North-facing and south-facing windows need different treatment when it comes to cooling down our rooms.
