A simple tip to warm the house better in winter: 1 cheap thing is enough

Some tips for isolating a radiator with an adhesive film
Before placing insulation behind your radiator, make sure it is off.
Measure the space behind the device before purchasing the necessary amount of insulating film.
If your radiator is high, mark the position of its support for a better reference.
Once the insulating film is finished, cut it according to the dimensions collected previously.