Run your hand over the radiator to check if it is cold at the top or bottom. If it is cold at the top, that means there is air trapped in the radiator, and it needs to be bled Next, place an old rag ...

People often forget to bleed their radiators regularly, leading to uneven heating and higher energy costs," saysplumbing expert David Doran at Blackstone Plumbing & Heating Ltd. "Regularly check your ...