If you live in a hot climate, your air conditioner is probably your favorite major appliance. However, it can quickly become a major party crasher in the middle of your backyard summer barbecue. That same hulking, boxy piece of machinery that cools your house can be an eyesore in your garden. But don’t sweat it. There are plenty of ways you can hide, mask, conceal and block your air conditioning unit so you won’t even know it’s there. Here’s how to keep your cool.