it's not necessary. it's just that if you use central air conditioning in the atmosphere of western restaurants, it will be very concealed and well combined with decoration. the whole indoor decoration will be simple and beautiful, and if it is a large western restaurant, the depth will be longer. if you install household air conditioning, it is difficult to conceal the wiring, and there are many restrictions on the location of installing outdoor units and the length of pipelines. if it is a top-grade western restaurant, you should first consider using central air conditioning.