Is there a difference between air conditioners used in hotels and air conditioners used in homes? Which is better, saving electricity, cooling or heating?

Most hotels and guesthouses use central air conditioning, while home use has always been wall-mounted and wall-mounted. Wall-mounted is suitable for bedroom and wall-mounted is suitable for living room. As for saving electricity, central air conditioning is more expensive than home. There is not much difference between household wattage, refrigeration and heating, depending on the performance of the machine. Wall mounting is recommended. If it is geothermal, dust can be removed.