How to bleed a radiator

Bleeding a radiator means releasing air that has become trapped inside your heating system.
Letting this air out will help you to heat your home more effectively and reduce your energy bills.
If you can feel any cold spots near the top of the radiator, or hear pipes banging or radiators gurgling, this is usually a sign that you should bleed your radiator.
Venting your heating system is easy to do, just follow these steps to fix the problem, save money and create a warm and cosy home that you can put your feet up in.
Here's how to do it.