Smart radiator valves let you control the temperature in individual rooms when your central heating is on. They can be programmed and controlled remotely through your smartphone. Manufacturers promise ...

Ever found yourself pondering over the numbers on your radiator valves? You're not alone. Many homeowners are left scratching their heads at the seemingly cryptic symbols and figures on these valves.

UK households are being told they could potentially knock around £75 off their energy bills. And all they need to do is adjust one particular setting on their radiators. It sounds almost too good to ...