Window air conditioners vs. portable air conditioners Which one do you need? Listen - 03:41 Getty Images With summer just around the corner, it's time to start thinking about how you'll cool your home during the hottest months of the year. Many people have central air, which vents air conditioning around the house through ductwork. But others have to rely on a different type of air conditioner to keep their homes comfortable. Window air conditioners and portable air conditioners are two of the most popular options on the market. Each one has its own selling points, and it's important to consider your budget, the size of your home and your physical ability to install a unit. Let's explore the key differences so you can decide which one makes the most sense in your home.