central air conditioners can save energy by 21-35% by replacing more efficient refrigerants, and the lighting lamps that use at least 1.8 hours a day are replaced by LED lamps, which can save energy by more than 51%. If 2 yuan is electrified once according to the commercial electricity consumption, the monthly electricity consumption of the hotel is 161,111 kWh, and your monthly electricity bill is 321,111 kWh. By adopting the above energy-saving scheme, the electricity bill will be saved by about 25% in January, that is, the electricity bill will be saved by 8W per month and 96W per year.