[upd] - Sealed Room Breed 2

Standard window AC units draw outside air. You need a mini-split AC (ducted or wall-mounted) with a "Sealed Room Kit." The evaporator handles the room air only. For air movement inside, use wall-mounted fans, not floor fans (which stir up settled spores).

Breed 2 represents an integrated system where the room is not just sealed from the outside, but actively manages its own internal biome. It relies on three pillars: Sealed Room Breed 2