Senoufou, could those huge wooly webs be where tent caterpillars live? Google it.

About the carpet moths: here in America the bird-seed stores sell traps for the moths which might come with the seed. Perhaps you can find something similar to trap the adult moths as they emerge.

Be sure to distinguish cobwebs from spider webs. Cobwebs form when static electricity causes various kinds of dust to cling together in filaments. They are harmless, although they probably mean that it's time to clean the house.