Place foil behind radiators#

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Place foil behind radiators

If a radiator is working well and mounted on a cold external wall, it may lose much of the heat to the wall, not to the air in the room. There are products you can mount behind these radiators with foil on one side and insulation on the other. They help by reflecting the heat back into the room. The more radiators this technique is applied to, the greater the temperature impact. It’s not as good as insulating the wall, but it’s cheap and easy to do while you organise bigger changes.