Mold - plausible reason to terminate contract without losing deposit?

[yyy]

Afaik there have been no major changes in the law recently, but don’t take my word for it.

There are some threads with suggestions on how to deal with mold, like this one:

Solution for the mold

So what is the general consensus on open vs. closed windows as we head into the winter. Because I was fed up with dust, I closed the windows for what ended up being the entirety of the winter once in a taofang, and about half the furniture started smelling moldy. The building was in the process of being sold and turned into a hotel and all of the furniture was replaced after the transformation (otherwise I would have felt real guilty about the moldy furniture as the management in that building w…

What town are you in?