Because the restaurant needs to be equipped with 1 vertical air conditioning, the room area is 50m2, and there are many large seats suitable for it. What other brands are cost-effective and save electricity? Three packs is good. It is recommended to buy five air conditioners, only more than five, and the small refrigeration effect can not meet the requirements. It is better to install two air conditioners for three horses, so that the use effect will be better. When there are few guests, Sanma can just turn on 1 air conditioner. Brand, you can consider Gree's three guarantees service is not much different, and the service is still guaranteed.