3 ms·

The whole point of a window unit is that the very hot compressor is outside the room you're heating. Without that, you may as well get a portable unit.

• copperx 6y ago
  That's not a insurmountable problem using a bit of insulation and careful design.
  • kortilla 6y ago
    Still just inventing a portable unit at that point.
    • rocqua 6y ago
      But one without hoses, with less heat dump into the room, and alternative mounting.