They're not common anymore unless you live in a dumpy apartment complex. They still sell in stores though (for those dumpy apartment complexes). I'll have to check it out. I was looking for a window air conditioner a while back and threw together a real crappy looking one that looked fine from a distance.

Poser 2, 3, 4, 5, 6, 7, 8, 9, 10, Pro 2014, 11, 11 Pro