[Cthulhu_]

And with location data, turning it on when leaving the house.

Another smart scenario I can think of, link it with energy prices and a real-time dynamic energy contract, and/or solar panel output or battery charge levels, to only run it when it's cheapest to do so.

Of course, that means having it stand-by to run at all times, meaning it may run half-empty and you need to keep the door closed which will cause mold etc.