Annual operation time of central air conditioning in Chengdu

May 15 to September 15. According to the different climate and temperature, the time will be different, but the opening time of air conditioning in cold season is basically around this date. Generally, from May 15 to September 15, every day is from 8 am to 6 pm. However, the state stipulates that the cooling period of central air conditioning is from June to September. Central air conditioning (or household central air conditioning, adjustable central air conditioning) refers to an air conditioning system in which an outdoor unit generates a cold (hot) source and then supplies cold (hot) air to each room. It belongs to a kind of commercial air conditioner.