Or just project negative ions into your working and sleeping places and breathe easy, wipe the mold spores off the walls every couple months or so. Test their effectiveness by shining a bright flashlight in the dark. You can't see the beam!
Way more rapidly than anyone’s comfortable.
Ambient air has mold spores.
Add a single humid breeze through the space, game over.
If you don’t have a humidity range being recorded day to day in your home, you may be surprised the excursions.