White duck tape, a $4 piece of flexible, plastic downspout tubing and a hand made mount for the AC vent and there you go.
Sawzall into the bathroom wall and add a 50 cent louvre inside.
You'll never "sweat" those long, lingering dumps again!  In cold climate, the Carrier V has a recirc mode which draws the warm air from inside rather than the cold air from outside.
This helps to heat the bathroom