eli5: Why are radiators in houses often situated under a window- surely this is the worst place and the easiest way to lose all the heat?

Question

eli5: Why are radiators in houses often situated under a window- surely this is the worst place and the easiest way to lose all the heat?

In: 2851

Answer 1

Same reason that supermarkets have air conditioners above the doors blowing cold air during the summer. It’s to block the undesirable temperature from getting in.