Clothes on the radiator are dried this way to avoid humidity

Drying clothes on a radiator can be a quick solution, especially during cold weather, but you’re right—there are several downsides if not done properly. Here are some potential issues and tips to prevent them:

Issues:
Humidity and Condensation:

When clothes are hung on the radiator, the moisture from the clothes can cause excess humidity in the room. This can lead to condensation on windows, walls, and furniture, which can promote the growth of mold and mildew.
Musty Smells: