When you’re planning the logistics of leaving home for a long vacation, you’re likely thinking of tasks like having a neighbor pick up the mail, boarding pets at the kennel, and making sure everything is turned off and unplugged before you leave. While your A/C may not be the first thing you think about, there are a few important steps you’ll want to take to avoid coming back to a hot, stuffy house. Below are a few easy ways you prepare your A/C unit for an extended vacation.