Portable AC Reversal Adapter

My portable air conditioner sucks. Quite literally. As they all do.

Here's the problem: it takes in air at room temperature. Part of it it blows out back into the room, cooler. The other part is sent out a hose, hotter, out a special panel in the window to the outdoors. But what does that give you? NEGATIVE PRESSURE. Something has to replace the air that was blown out the window. Air is sucked in under doors and through cracks everywhere. And when I'm keeping my room as the one cool sanctuary in a toasty warm house amid the scorching heat of the California Central Valley, whatever air comes seeping back in is a good deal warmer than the cool room I'm trying to maintain. It's hopeless! This machine cannot keep more than half the room cool, at best.

What if you could turn it around? What if the air conditioner sat outside the house and transformed hot air into hotter air outdoors, while sending a stream of cool air through a hose indoors. Now you have POSITIVE PRESSURE and the olde