With summer in full-swing, you're probably feeling the heat by now, and this is around the time that most people decide they can't live without cooling their homes, though they may have tried. Not having central air conditioning is pretty inconvenient, but it's not the end of the world, especially when you've got window AC units to save the day. A lot of people are nervous to put a window unit in, though, for fear of short-circuiting, dropping it out the window, not knowing which to choose, or any other number of concerns. Window units are actually pretty efficient, and just about anyone (and a friend) can install them, so don't fret. Here are a few tips for having a good AC installation experience.