On Jun 10, 8:15*am, wrote:
I've seen $250 humidity detecting fans (Broan?). I have a timer on my bath
fans, and motion detectors on my hallway lights (installed when my dad was

snip.

I have seen a humidty switch with a central AC theromstat. It was in
an older home. I am not sure if they still offer them. It was either
Broan or Honeywell.

Frank Lardino