Patio grills are a specific category of barbecue grills exclusively designed to be used outside your house, in your patio or backyard. There are many types of patio grills on the market, and they can be classified in categories by the type of the fuel they run with, by size, price or functionality. Even more, there can be fixed patio grills that are permanent and can not be moved from their place, and there are also patio grills that can be used outdoors as well as indoors.