This is the number your radiator dial should be on if you want to save money on your energy bills this winter, according to experts

Close up of a black towel radiator on a white tiled wall in the bathroom.

Adjusting the numbers on your radiator valves, do you really know what they mean? Yes, it’s true you use them to adjust the temperature but that’s not exactly what the dial does - it actually has nothing to do with the specific temperature of a room.

Now winter is here and central heating systems are being turned on across the country, we’re using our radiators a lot more, so knowing how to use them properly, is important if you want to save energy at home.